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Why DIABETES?

   One of the commonest health problem
   Affects almost all systems of the body
   5%– 10% of total health care expenditure is spent
    on DM
Trend of The disease

   Each year 7 million people develop
    diabetes (each 10 seconds 2 people
    develop DM)
   2.3.8 million people die out of DM
    each year (one person per each 10
    seconds)
Future

   By 2007,246 million people were
    affected worldwide
   By 2025 380 million people are
    expected to have the disease
Content

●   Introduction                   -    Group 1& 2
●   Regulation of blood glucose    -    Group 3 & 4
●   Predisposing factors of DM     -    Group 5 & 6
●   Clinical presentation          -    Group 7 & 8
●   DM and pregnancy               -    Group 9 & 10
●   Diabetes ketoacidosis          -    Group 11 & 12
●   Complications of DM            -    Group 13 & 14
●   Diagnosis                      -    Group 15 & 16
●   Dietary management of DM       -    Group 17 & 18
●   Prevention of DM               -    Group 19 & 20
Groups 1 & 2
What is Diabetes mellitus ?
   DM is the most common metabolic disorder
    encountered in clinical practice.

   Diabetes - Greek word means ‘a passer through a
    siphon’.
   Mellitus – Greek word for ‘sweet’
Classification of DM
     Type 1 - Insulin dependent DM
          Insulin deficiency due to autoimmune
mediate   pancreatic islet cell destruction.

       Type 2 - Non insulin dependent DM
            Due to tissue insulin resistance.
            Associated with ;
                  - increasing age
                  - obesity
                  - ethnicity
                  - family history.
Clinical differences between Type 1
and Type 11 Diabetes
                       Type 1                  Type 11

Ketosis prone          Yes                     Uncommon

Insulin requirement    Yes- absolute insulin   Often later in disease-
                       deficiency              insulin deficiency+_
                                               deficiency
Onset of symptoms      Acute                   Often insidious

Obese                  Uncommon                Common

Age at onset - years   Usually < 30            >30

Family history of      10%                     30%
diabetes
Concordance in         30- 50%                 90-100%
monozygotic twins
Epidemiology

   More than 120 million people worldwide are
    suffering from DM.
   It is estimated that it will affect 220 million by
    year 2020.
Prevalence of diabetes in Sri Lanka
Symptoms

 Weight  loss.
 Polyuria – increased urine excretion.

 Polydipsia – excessive thirst and
  water ingestion.
Causes
   Increased prevalence of DM is related to;

     excessive caloric intake
     reduced physical activity.
Nature of the Disease


 Usually irreversible.
 Strongly linked to obesity.

 Patients can have a reasonably normal
  life style.
Insulin

   Coded by chromosome 11 and synthesized in
    the beta cells of the pancreatic islets.

   About 50% of secreted insulin is extracted and
    degraded in the liver and kidney
Action of Insulin
   Prime target organ is the liver.

   Is the key hormone involved in the storage and
    controlled release of the chemical energy
    available from food within body.
Metabolic Changes
 Abnormal carbohydrate metabolism.
 (Normal blood glucose level 3.6- 6.1 mmol /l)

 Abnormal   lipid homoeostasis.




       Hyperglycemia
Complications of Diabetes

   Macrovascular diseases
         Coronary heart disease
         Peripheral vascular disease
         Amputations

   Microvascular diseases
         Retinopathy
         Nephropathy
         Neuropathy
Prevention & Treatment
   Combination
    approach.

       Increased exercise
           Decreases need for
            insulin


       Reduce calorie intake
           Improves insulin
            sensitivity


       Weight reduction
           Improves insulin action
Group 3/4
•Normal plasma glucose: 3.9-8.3 mM
•Plasma glucose is tightly regulated by
  hormones:
Insulin: ↓Plasma glucose

Glucagon
Epinephrine
Cortisol             ↑Plasma glucose
Growth hormone
Correlation Between Plasma
Glucose & Insulin Levels
Metabolism of Insulin

•Insulin has no plasma carrier proteins
•Short plasma half-life (3-5 min)
• ~50% of insulin is removed during the
   first pass through the liver
Biological Effects of Insulin


• Major target tissues for insulin:
 liver, skeletal muscle, & adipose
  tissue.
• Insulin ↑glucose uptake in muscle
  and adipose tissue by regulating
  glucose transporter (GLUT4).
• Glucose transporter in the liver
  (GLUT 2) is not regulated by insulin.
GLUCAGON

The most important hormone
in increasing plasma
glucose.

Glucagon is a single chain
polypeptide (29 amino
acids).
REGULATION OF GLUCAGON SECRETION
ROLE OF GLUCAGON IN GLUCOSE REGULATION

Glucagon opposes the metabolic actions of insulin.

The major site of action: liver.

The important metabolic effects of glucagon
in the liver include:

Carbohydrates:
↑gluconeogenesis(glucose production)
↑glycogenolysis(glycogen breakdown)
↓glycogen synthesis
Fat:
↑Ketogenesis(ketoneproduction)

Protein:
↓Hepatic protein synthesis
↑protein catabolism in the liver


Glucagon DOES NOT affect
muscle proteins.
REGULATION OF BLOOD GLUCOSE BY INSULIN & GLUCAGON
Overall:

•Insulin
↓plasma glucose by promoting glucose
uptake
 & its storage.

•Glucagon
↑plasma glucose by increasing
 liver glucose output.
GLUCOSE REGULATION DURING
EXERCISE-
ROLE OF EPINEPHRINE
Group 5 & 6
Diet
     Starch
   White bread, sugared breakfast cereals
    & potatoes, which all have especially
    high glycemic index values & low fiber
    contents predispose diabetes.



   Potatoes ,in particular, can become
    dietery handgrenades for diabetics       when
    served as French fries.
Diet continue...
   Refined sugars
    Nothing increases blood sugar more readily
    than ingesting sugar.
    So high fructose corn syrup, candy & sweets such

    as cakes are not good for diabetics at all   .
   Saturated fats
    Fats do compound many risk factors
    for & complications from diabetes
    such as obesity, hardening of arteries
    & heart attack or stroke.

   Eg: butter, margarine, whole milk
Emotional Stress
   Highly stressed life deeply influences the
    metabolism of the body. Even grief, anxiety,
    worry, death of any close person, etc. may
    alter the blood sugar level and lead to the
    disease.

   Energy mobilization is a primary result of
    the fight & flight response. So stress
    stimulates the release of various hormones
    like glucocorticoids which elevate blood
    glucose level.
Obesity
    When a person is overweight,
    the cells in the body become less
    sensitive to the insulin due to the
    high circulating levels of leptin.

   There is some evidence that fat cells
    are more resistant to insulin than
    myocytes.

    If a person has more fat cells than
    muscle cells, then the insulin become
    less effective overall,& glucose remain
    circulating in the blood instead of being
    taken in to the cells to be used as energy.
Sedentary Life
              A sedentary life style is
               damaging to health & bears
               responsibility for the growing
               obesity problems.
              Inactivity & being overweight
               go hand in hand towards a
               diagnosis of type 2 diabetes.
              Muscle cells have more insulin
               receptors than fat cells, so a
               person can decrease insulin
               resistance by exercising.
Smoking

   smoking 16 to 25 cigarettes a day
    increases your risk for Type 2 diabetes to
    three times that of a non-smoker..
   Increases complications esp.
    Retinopathy, Cardiovascular conditions
           •There is also evidences that
           links cigarette smoking with
           microvascular diseases in
           diabetes.
           •Smoking can cause chronic
           pancreatitis which leads to
           diabetes.
Ethnicity
                       Incidence high in
                           African, Americans, Asians, American
                            Indians, Hispanic, Caucasians, Latinos,
                            Mexican-American, Europeans

                              Age
•It has been observed that as one grows
older, particularly above 45 years of age, in
them the chances to develop diabetes are
increased.

•It is chiefly because due to old age, the person
becomes less active, tends to gain
weight, leading to pancreatic dysfunction.
Genetic Predisposition
               People who belong to family background
                having history of diabetes are 25% more
                prone to develop diabetes.


• The concordance of type 1 DM in identical twins
ranges between 30% and 70%
   The major susceptibility gene for type 1
   DM is located in the HLA region on
   chromosome 6
• The concordance of type 2 DM in identical twins is
between 70% and 90%
•if both parents have type 2 DM, the risk approaches
40%
Gestational Diabetes
 Human placental     Peripheral tissues
 Lactogen
                                           Insulin resistance
 Estrogen
                      Pancreas
 Progesterone
                                          •Increased Fat stores
                                          •Prolactin
                                          •Changes in insulin receptor

most women revert to normal
glucose tolerance post-partum,
but have a substantial risk (30–
60%) of developing diabetes
mellitus later in life.
Infections

   Mumps, Coxsackie B, Cytomegalovirus,
    Kilham rat virus and rubella infections
    can damage the pancreas.
       Coxsackie virus is the commonest viral
        cause
   Some viruses can trigger or maintain
    autoimmune beta cell damage.
Barker and Hales hypothesis

   Evidence, mainly from animals, suggests
    that maternal and therefore fetal
    malnutrition during a critical early
    phase of fetal development can reduce
    Beta-cell mass and permanently impair
    insulin secretory reserve.
Other factors

   Endocrine
       Acromegaly 25%
       Cushing’s Disease 30%
       Glucagonoma 90%
   Drugs that decrease insulin sensitivity
       Glucocorticoids
       Beta-2 receptor antagonists
       OCP
Groups 7 & 8
“ The history of diabetic symptoms
   is of the greatest importance and an accurate
   appreciation of their severity far exceeds an
   estimation of the blood sugar as a means of
   assessing the need for treatment.”
 (John Malins, Clinical Diabetes Mellitus, Eyre & Spottiswoode, 1968)
Clinical
                presentation


         Acute                Sub acute
       Symptoms               Symptoms
•Acute & Sub acute presentations often overlap.

But,
   Asymptomatic diabetes can occur.
Acute presentation
     Young people often present with a 2-3 weeks
    history and report the classical triad of
    symptoms.          Thirst        Polyuria

    1.Thirst

    2.Polyuria

    3.Weight loss




                 If not
    Ketonuria   treated     Ketoacidosis
Sub acute presentation
   Clinical onset        over several months, years
   In older patients
   Classical triad of symptoms are typically present.
     But complain of,
                       visual – blurring
                       pruritus vulvae (female)
                       balanitis (male)
                    lack   of energy
                       dry mouth
                       dysphagia
balanitis




                              Visual blurring




            Pruritus vulvae
Other symptoms
   Somnolence (the tendency to fall asleep)
   Myopia
   Nausea, headache
   Tiredness, fatigue
   Malaise
   Hyperphagia - predilection for sweet foods
Complications
                                        Macrovascular
   Microvascul
         ar                                diseases
     diseases
                                  Cardiovascular diseases
Nehpropathy                      Eg: Coronary artery
                                 diseases
Neuropathy
                                     Stroke
Retinopathy

     •   Foot infections
     •   Erectile dysfunctions                   gangrene
Asymptomatic diabetes

   No symptoms or ill health.
   Accidently detected ;
     as glycosuria or hyperglycemia on routine
    investigations (for other purposes).
   Both are not diagnostic of diabetes but
    indicates a high risk of developing diabetes.
Diabetes and pregnancy




              Group 9 and 10
1.   Already diagnosed diabetes mellitus
     woman getting pregnant – Preexisting
     diabetes.

2.   A woman who hasn’t been diagnosed
     diabetes, exhibit high blood glucose
     levels during pregnancy – Gestational
     diabetes
Gestational diabetes
   Gestational diabetes is defined as “Any degree of glucose intolerance
    with onset or first recognition during pregnancy"

   Gestational diabetes generally has few symptoms and it is most
    commonly diagnosed by screening during pregnancy..
Gestational diabetes
During            Human placental lactogen
pregnancy         level &
                  Cortisol level increase
                • Both are insulin antagonists.

   • Cortisol         gluconeogenesis

                      glucose utilization

                                              Blood glucose

   • HPL              insulin sensitivity

                      glucose utilization
Risk factors
    • Obesity    BMI > 30



    • Family history of diabetes

    • Previous babies having high birth weight ( >4.5kg )

    • Previous still birth

    • Previous babies with congenital abnormalities
Maternal complications
   Pre-eclampsia (pregnancy induce hypertension )
   Antepartum hemorrhage due to placental abbruption
   Microvascular
       Nephropathy

       Retinopathy

       Neuropathy

   Macrovascular
       Coronary artery disease

   Hyperglycaemia / hypoglycaemia / ketoacidosis
   Infection
   Thrombo – embolic disease
Fetal & neonatal complications
  Increase risk of miscarriage & congenital fetal
abnormalities
        Neural tube defects, congenital heart diseases & spinal anomalies
        Sacral agenesis (caudal regression syndrome)
   Fetal macrosomia
   Late still birth
   Respiratory distress syndrome
   Hypoglycaemia
   Polycythaemia
   Hyperbilirubinaemia
   Hypomagnesemia

                                                   Macrosomia
Diagnosis of maternal diabetes
   Glucose challenge test (>140mg/dl)
   Oral glucose tolerance test.
   Random blood sugar.
    Normal fasting glucose         -<7mmol/l
    Impaired glucose intolerance   -7.8-
    11.1mmol/l
    Random blood glucose           -<11.1mmol/l
If
                               Diabetes
RBG>11.1mmol/l
                               mellitus
If FBG>7mmol/l
Management
  Diabetic women are advised to maintain the blood sugar level close to
  normal range for 2 to 3 months in advance, before planning for
  pregnancy.
Antenatal care
     Frequent review

     Increase insulin dose

     Vigorous treatment for infection

     Regular urine analysis to detect nephropathy



At term,
      Should not be allowed to continue beyond 38 weeks.

      Caesarean section if needed.

      Delivery before 36 weeks – Dexamethasone.

      Monitor the blood glucose & urine ketone body regularly
Newborn,
      Anticipate & treat asphyxia
      Cross monitoring blood glucose level for the first 72h
      Early breast feeding
      Look for congenital malformation.
      Random blood sugar and give dextrose if necessary.


On descharge
      Check the fasting blood sugar
      Complete family early & follow family planning method.
References

   Obstetrics by Ten Teachers
DIABETIC
KETOACIDOSIS




          GROUP 11 & 12
          07/08 BATCH
Introduction
 Major medical emergency
 Principally with type 1 diabetes
 High blood sugar with ketones in urine and blood

 Body can’t use glucose due to insulin shortage
Main cause – Type 1 diabetes

Usually occurs in following circumstances

  • Undiagnosed diabetes
  • Interruption to insulin therapy
  • Stress due to any illness
  (Also occurs in type 2 diabetes)
Mechanism of Diabetes Ketoacidosis
In adipose cells insulin inhibit the action of intracellular enzyme “Hormone-sensitive lipase”
Development of Signs and
Symptoms
   Diabetic ketoacidosis appears to require
    Insulin deficiency coupled with a relative
    or absolute increase in glucagon
    concentration

   Increased glucagon induces maximal
    gluconeogenesis and also impairs
    peripheral utilization of glucose resulting
    in severe hyperglycemia
   This induces osmotic diuresis that leads
    to volume depletion and dehydration that
    characterize the ketoacidotic state.

   Glucagon activates the ketogenic
    process and thus metabolic acidosis.
Symptoms & signs
   Nausea
   Vomiting
   Excessive thirst
   Frequent urination
   Weakness
   Ketone / Fruity smelly breaths
   Hyperventilation
   Confusion
   Dry skin
   Abdominal pain
Diagnosis

   Ketonuria or ketonemia is demonstrated
   Dipstick method for hyperglycemia
   Centrifugation blood for ketonemia ?
   Arterial blood gas analysis
Investigations

   Urea & Electrolytes, Blood glucose,
    Plasma bicarbonate
   Arterial blood gases to assess the
    severity of acidosis
   Urinalysis for ketones
   ECG
Treatment

Replace lost fluid & electrolytes
  suppressing high blood sugar & ketone
  production with insulin
 Fluid replacement

 Insulin therapy

 Potassium

 NaHCO3 ….?
Prevention

   Manage diabetes yourself
   Monitoring blood sugar levels
   Adjust insulin dose as needed
   Check urine for ketone levels
   Be prepared to act quickly
References

   Kumar & Clark;Clinical Medicine
   Davidson;Clinical medicine
   Harper’s illustrated biochemistry
Groups 13-14
•   Have a considerably reduced life expectancy
•   70%- due to cardio vascular diseases
•   Followed by 10% -renal failure
•   Pathophysiology
•   Non enzymatic glycosylation of protains
•   Polyoyl pathway
•   Abnormal microvasculr pathway
•   Other factors
•   Haemodynamic changes
•   Complications
     1.Macrovascular
       Hypertension
         Smoking
    Lipid abnormalities
     2.Microvascular
    Daibetic eye disese
      Diabetic kidney
    Diabetic neuropathy
     The diabetic foot
         Infections
       Skin & Joints
Diabetic Retinopathy

 •   Impairment of loss of vision
 •   Due to damage to blood vessels of retina
 •   Cause of long standing diabetes




Cataract                         Glucoma
Diabetic nephropathy
•   Important cause of morbidity mortality
•   Among the most common causes of the end
    stage renal failure
•   Management is frequently different &
    benefits of prevention are substantial
Diabetic neuropathy

•   Usually causing weakness & numbness
•   Symptoms are depended on nerves
    which damage
•   Most commonly affects legs
Complications on foot
    Main cause of the AMPUTATION is diabetes mellitus
    Why it will end up with amputation ????
    Diabetes……….
1)       Narrow & hardening the blood vessels

        Poor circulation

        Less ability to fight with infections
        & healing also slow

         Foot ulcer

         Gangrene
   2) Damage the nerves

        Loss of sensation (peripheral neuropathy)

        Injuries cannot be noticed

        Susceptible for infections

   3)   Damage to the nerves controlling oil & moisture

        Skin dryness

        Easy to getting cracks

        Susceptible for infections
   4)     Affects joints

         Making them stiffer

        Charcot’s joints
Effects of diabetes to blood vessels
  Diabetes
   mellitus
                                            Part of plaque

   Glucose
                                               Travel through circulation

  Cholesterol                 Breakage of
                               plaque                    Lodge in a vessel
  Deposit in damaged                                     of brain (STROKE)
  vessels

                                                  Loss of blood supply to
Atheroma ( in damaged inner layer)                part of brain
atherosclerosis


  Diameter of blood vessels                 Blood flow
Effect of diabetes to heart
                   Diabetes mellitus

                   Atherosclerosis

Blood glucose      In peripheral          Blockage of
                   vessels              coronary vessels
                       blood flow
                                          blood supply
Cardiac muscle                          to    part of
failure                                 heart
                   Heart has to pump
(cardiomyopathy)   more forcefully       Ischemic heart
                                         disease

                      hypertension
                                         Heart
                                         attack
GROUP 15-16




DIAGNOSIS of
DIAGNOSIS OF DIABETES
If patient complains of symptoms suggesting diabetes
      Test urine for GLUCOSE & KETONES

      Random Blood Glucose (normal <200mg/dL, 11.1mmol/L)

      Fasting Blood glucose (FBG)
        if FBG>7.0mmol/l, 126mg/dL-DIABETES
        if (6.1 <= FBG < 7.0)mmol/l or (110 <= FBG < 126) mg/dL
                 IMPAIRED FASTING GLUCOSE (IFG)
      Oral Glucose Tolerance Test (OGTT)
    HbA1C
          This can be utilized as an assessment of glycaemic control
   in a   patient with known diabetic

    other tests - Fructosamine test , Ketone body analysis,
   microalbuminuria               test
URINE TESTS
BENEDICT’S TEST
    To assess urine sugar level
    To 5ml Benedict’s solution add 8-10 urine drops,
    Boil and allow to cool then observe color change.
Color change      % of sugar
blue              Nil
Clear green       0.1
Turbid green      0.3
Green & Yellow    0.5-1.0
Yellow            1.0
Orange            2.0
Brick red         >2.0


    Maltose, galactose, , sucrose & drugs which contain aldehyde
    groups such as Aspirin, Penicillin, Vitamin C, antibiotics (+)ve
    results
    • detects only blood sugar levels >180mg/dL
DIPSTICK METHOD
•   A plastic strip coated with reagents
•   Reagent strip measure glucose level using glucose oxidase
    method.

             GLUCOSE OXIDASE
GLUCOSE                        H2O2 (Change the color of the
                               indicator)
BLOOD TESTS
Random blood glucose level
•   Measure the blood glucose level other than post prandial
    stage or fasting.
•    If it is above 11.1mmol (200mg/dl) considered as
    diabetes.

•   GLUCOMETER
•   For rapid diagnosis
    of blood glucose levels
    (capillary blood )
Fasting Plasma Glucose
After 12hr fasting measure the blood glucose level
  in venous blood.

         4 mmol/L 6.1           7.0
         80 mg/dL mmol/L        mmol/L
                  110           126
                  mg/dL         mg/dL



   Hypoglycemi   Normal   Impaired       (Hyperglycemic)
   c                      Fasting        Diabetes
                          Glucose
OGTT (Oral Glucose Tolerance
  Test)
      Unrestricted carbohydrate diet for 3 days before test
      8 Hour overnight fasting is required.
      75g of glucose in 300ml of water is given orally within 5
       minutes.
      Measure plasma glucose BEFORE and 2 hours AFTER
       the glucose load.
Time         Non Diabetic Diabetic            Impaired Glucose
                    _                         Tolerance
Fasting(0    <6.1mmol/l      >7.0mmol/l       6.1-7.0mmol/l
min)         (110mg/dl)      (126mg/dl)       (110-126mg/dl)
120min       <7.8mmol/l      >11.1mmol/l      >7.8-11.1mmol/l
             (140mg/dl)      (200mg/l)        (140-200mg/dl)
HbA1C
   Measure the glycated hemoglobin proportion which
    indicates the glycaemic condition
   Glycosylation of hemoglobin α [glucose]
   This can reflect the glycaemic control of the patient over
    2 to 3 months
   For every 1% increase of theHbA1c indicate 35mg/dl
    incease of blood glucose levels.




    4.5% – 6.5 % Reference
    range
    HbA1c > 8% Poor control
HbA1 Mean plasma glucose
c % mg/dl
6     135
7     170
8     205
9     240
10    275
11    310
12    345
Fructosamine Test
   Fructosamine = glycosylated plasma proteins,
               mainly albumin
   Indicate previous 2-3 week glyceamic control
   Impaired in patients with anemia
    , hemoglobinopathies & pregnancy.
DIAGNOSIS OF COMPLICATIONS OF
DIABETES
     Diagnosis of Diabetic Neuropathy
              Lower limbs
     Peripheral pulses
     Tendon reflexes
     Perception of vibration sensation, light touch and
      proprioception
               Feet
     Callus skin indicating pressure areas
     Nails
     Need for podiatry
     Ulceration
     DeformityDiabetic Nephropathy
Diagnosis of Diabetic Nephropathy

     Microalbuminuria test
      In normal people

          Albumin excretion =30mg/day

        In kidney damage > 300mg/day
        In diabetic nephropathy ;
               Albumin excretion =30-300mg/day
                 microalbuminuria
Diagnosis of Diabetic Retinopathy


         Eye examination
   Visual acuities (near and distance)
   Ophthalmoscopy (with pupils dilated)
   Digital photography
Group 17 & 18
 Diet is an essential part of
   the management of
diabetes

 Diet is based on healthy
  eating principles
Reasons for diet


•Weight control

•Blood glucose control

•Prevention and management of short-term
and long-term complications of diabetes
Basic Principles of Diabetic
Diet

•Ensure regular meals

• Base meals on starchy carbohydrates

• Aim for more fruit and vegetables

• Cut down on sugar and sugary foods

• If in doubt read food label

• Encourage relatives to bring low sugar foods

•Reduce salt
Eat starchy foods regularly

    Bread
    Potatoes
    Rice
    Cereals
    Plantain

    CHO –to form 45-60% of total energy [cereals,vegetables,legumes]
                 better use foods which has low glycaemic index
Eat fruit and vegetables


   Fresh
   Frozen
   Tinned
   Dried
   Juice

   Encourage food rich in antioxidants - vitamins
Reduce protein intake

   Restriction of protein intake to 0.6 -0.8 g/ kg/ day
   Replace red meat with chicken ,fish or vegetable
    protein
   To contribute 10-20% of total energy
• Aim for low sugar diet
    –Not a sugar free diet
    –Instead of sweet cakes/ biscuits offer
     fruit loaf, plain biscuits, teacakes

    Cut down on sugar and
     sugary foods: • Use low sugar foods
        – Use drinks labeled diet, low calorie or
           sugar- free

        – Choose diet or ‘light’ yoghurts instead of
           low-fat or whole yoghurts

    • Use sugar free/ low sugar - jelly,
      custard, rice pudding as dessert ideas
Nutrition Claims – Sugar


‘No added Sugar’ – No sugar from any
                    source added


‘Low Sugar’ – No more than 5gs
               sugar/100gs


‘Reduced Sugar’ – 25% less sugar than
                    regular product

FREE SUGER – do not exceed 50g per day
Choose more high fibre foods
To help maintain blood glucose levels and cholesterol levels
                                           Helps to maintain a
    Fruit                                 healthy gut
    Vegetables
    Pulses
                                           • Wholegrain cereals
    Oats
                                           • Wholemeal bread
                                           • Brown rice
   FIBERS – 40g per day or more
             half of fiber should be soluble
Reduce animal or saturated fat intake

   Use low fat milk
   Use low fat
    spread instead of
    butter
   Use oil high in
    unsaturated
    fat, eg olive
    oil, rapeseed oil
Use less fat in cooking


   Dry-roast
   Microwave
   Steam




   FAT - should not exceed 30 % of total energy
          restrict cholesterol to 300mg or less per day
Choose the right sort of fat
 SATURATED            MONO-             POLY-
                       UNSATURATED       UNSATURATED
 • Full fat dairy
   produce (eg        • Olive oil       • Sunflower oil
   cheese, butter,                        (products)
                      • Rapeseed oil
   full cream milk)
                                        • Oily fish
                      • Groundnut oil
 • Biscuits
 • Savoury snacks
 • Lard
 • Hard vegetable
   fat
Nutrition Claims – Fat


‘Low Fat’ - . 3g Fat/ 100g or 100mls


‘Less than 5% Fat’ - . 5g fat/ 100g


Reduced Fat’ – 25% less fat than similar
products
Reduce salt intake
•   Cut down on added salt
•   Use alternatives
•   Look out for reduced/low sodium foods, eg bread
•   Avoid salt substitutes

• SODIUM – restrict to 6g per day
Alcohol

• Alcohol in moderation can be
included,
no more than:
  – 1-2 units/ day for women
  – 2-3 units/ day for men

• Never give alcohol on an empty
stomach

• Remember to use ‘diet’ mixers

•Caution with sweet liqueurs
Special diabetic foods

   Not recommended
   May contain more fat or energy than other foods
   May be low in fibers
   Has sorbitol – may cause diarrhoea
   Excessive fructose may be used - Fruit sugar (fructose)
    when                                 used excessively as a
                                 sweetener will still affect
    blood sugars
                                 in the same way as normal
    sugar!!
If Residents Overweight

• Weight loss is desirable –via exercising

• Encourage to cut down on fatty foods
 e.g. chips, pastry, crisps, biscuits, cheese and fried
foods

• Encourage low-fat food options
e.g. semi-skimmed milk, low-fat spread

• Offer fruit/ low fat yoghurt as a dessert

• Snacks not essential
If residents malnourished

• Encourage small frequent meals
and low sugar puddings and snacks:

      – Glass of milk/ milky drinks
      – Crackers and cheese
      – Toast, butter and reduced sugar jam
      – Breakfast cereals, nuts
      – low fat yoghurt or low sugar milk
pudding
      – Plain biscuits, fruit cake, kurakkan
bread,
Recommended food meals for a diabetic
patient
  Breakfast –chickpea 1 cup or green gram 1 cup or
         bread two slices with polsambol 1 tsp.

  Lunch – Rice two cups , Vegetables 6 tablespoons ,
    green leaves ½ cup, fish or chicken 1 piece, fruit
    1 serving

  Dinner – Rice 1 cup, vegetable 3 tablespoons, Dhal
     3 tablespoons, Fruit 1 serving
Key Points

• Ensure regular meals

• Base meals on starchy carbohydrates

• Aim for more fruit and vegetables

• Cut down on sugar and sugary foods

• If in doubt read food label

• Encourage relatives to bring low sugar
foods
Group 19-20
   CANNOT CURE. But can prevent.
   Kathmandu declaration- life cycle
    approach for prevention & care of DM.
o   Primary prevention
o   Secondary prevention
THANK YOU!

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All what you have to know about Diabetes Mellitus

  • 1.
  • 2. Why DIABETES?  One of the commonest health problem  Affects almost all systems of the body  5%– 10% of total health care expenditure is spent on DM
  • 3. Trend of The disease  Each year 7 million people develop diabetes (each 10 seconds 2 people develop DM)  2.3.8 million people die out of DM each year (one person per each 10 seconds)
  • 4. Future  By 2007,246 million people were affected worldwide  By 2025 380 million people are expected to have the disease
  • 5. Content ● Introduction - Group 1& 2 ● Regulation of blood glucose - Group 3 & 4 ● Predisposing factors of DM - Group 5 & 6 ● Clinical presentation - Group 7 & 8 ● DM and pregnancy - Group 9 & 10 ● Diabetes ketoacidosis - Group 11 & 12 ● Complications of DM - Group 13 & 14 ● Diagnosis - Group 15 & 16 ● Dietary management of DM - Group 17 & 18 ● Prevention of DM - Group 19 & 20
  • 7. What is Diabetes mellitus ?  DM is the most common metabolic disorder encountered in clinical practice.  Diabetes - Greek word means ‘a passer through a siphon’.  Mellitus – Greek word for ‘sweet’
  • 8. Classification of DM  Type 1 - Insulin dependent DM Insulin deficiency due to autoimmune mediate pancreatic islet cell destruction.  Type 2 - Non insulin dependent DM Due to tissue insulin resistance. Associated with ; - increasing age - obesity - ethnicity - family history.
  • 9. Clinical differences between Type 1 and Type 11 Diabetes Type 1 Type 11 Ketosis prone Yes Uncommon Insulin requirement Yes- absolute insulin Often later in disease- deficiency insulin deficiency+_ deficiency Onset of symptoms Acute Often insidious Obese Uncommon Common Age at onset - years Usually < 30 >30 Family history of 10% 30% diabetes Concordance in 30- 50% 90-100% monozygotic twins
  • 10. Epidemiology  More than 120 million people worldwide are suffering from DM.  It is estimated that it will affect 220 million by year 2020.
  • 11. Prevalence of diabetes in Sri Lanka
  • 12.
  • 13. Symptoms  Weight loss.  Polyuria – increased urine excretion.  Polydipsia – excessive thirst and water ingestion.
  • 14. Causes  Increased prevalence of DM is related to;  excessive caloric intake  reduced physical activity.
  • 15. Nature of the Disease  Usually irreversible.  Strongly linked to obesity.  Patients can have a reasonably normal life style.
  • 16. Insulin  Coded by chromosome 11 and synthesized in the beta cells of the pancreatic islets.  About 50% of secreted insulin is extracted and degraded in the liver and kidney
  • 17. Action of Insulin  Prime target organ is the liver.  Is the key hormone involved in the storage and controlled release of the chemical energy available from food within body.
  • 18. Metabolic Changes  Abnormal carbohydrate metabolism. (Normal blood glucose level 3.6- 6.1 mmol /l)  Abnormal lipid homoeostasis. Hyperglycemia
  • 19. Complications of Diabetes  Macrovascular diseases  Coronary heart disease  Peripheral vascular disease  Amputations  Microvascular diseases  Retinopathy  Nephropathy  Neuropathy
  • 20. Prevention & Treatment  Combination approach.  Increased exercise  Decreases need for insulin  Reduce calorie intake  Improves insulin sensitivity  Weight reduction  Improves insulin action
  • 22. •Normal plasma glucose: 3.9-8.3 mM •Plasma glucose is tightly regulated by hormones: Insulin: ↓Plasma glucose Glucagon Epinephrine Cortisol ↑Plasma glucose Growth hormone
  • 23.
  • 25. Metabolism of Insulin •Insulin has no plasma carrier proteins •Short plasma half-life (3-5 min) • ~50% of insulin is removed during the first pass through the liver
  • 26.
  • 27. Biological Effects of Insulin • Major target tissues for insulin:  liver, skeletal muscle, & adipose tissue. • Insulin ↑glucose uptake in muscle and adipose tissue by regulating glucose transporter (GLUT4). • Glucose transporter in the liver (GLUT 2) is not regulated by insulin.
  • 28. GLUCAGON The most important hormone in increasing plasma glucose. Glucagon is a single chain polypeptide (29 amino acids).
  • 29.
  • 31. ROLE OF GLUCAGON IN GLUCOSE REGULATION Glucagon opposes the metabolic actions of insulin. The major site of action: liver. The important metabolic effects of glucagon in the liver include: Carbohydrates: ↑gluconeogenesis(glucose production) ↑glycogenolysis(glycogen breakdown) ↓glycogen synthesis
  • 32. Fat: ↑Ketogenesis(ketoneproduction) Protein: ↓Hepatic protein synthesis ↑protein catabolism in the liver Glucagon DOES NOT affect muscle proteins.
  • 33. REGULATION OF BLOOD GLUCOSE BY INSULIN & GLUCAGON
  • 34.
  • 35.
  • 36. Overall: •Insulin ↓plasma glucose by promoting glucose uptake & its storage. •Glucagon ↑plasma glucose by increasing liver glucose output.
  • 39. Diet Starch  White bread, sugared breakfast cereals & potatoes, which all have especially high glycemic index values & low fiber contents predispose diabetes.  Potatoes ,in particular, can become dietery handgrenades for diabetics when served as French fries.
  • 40. Diet continue...  Refined sugars  Nothing increases blood sugar more readily than ingesting sugar. So high fructose corn syrup, candy & sweets such as cakes are not good for diabetics at all .  Saturated fats  Fats do compound many risk factors for & complications from diabetes such as obesity, hardening of arteries & heart attack or stroke.  Eg: butter, margarine, whole milk
  • 41.
  • 42. Emotional Stress  Highly stressed life deeply influences the metabolism of the body. Even grief, anxiety, worry, death of any close person, etc. may alter the blood sugar level and lead to the disease.  Energy mobilization is a primary result of the fight & flight response. So stress stimulates the release of various hormones like glucocorticoids which elevate blood glucose level.
  • 43. Obesity  When a person is overweight, the cells in the body become less sensitive to the insulin due to the high circulating levels of leptin.  There is some evidence that fat cells are more resistant to insulin than myocytes.  If a person has more fat cells than muscle cells, then the insulin become less effective overall,& glucose remain circulating in the blood instead of being taken in to the cells to be used as energy.
  • 44. Sedentary Life  A sedentary life style is damaging to health & bears responsibility for the growing obesity problems.  Inactivity & being overweight go hand in hand towards a diagnosis of type 2 diabetes.  Muscle cells have more insulin receptors than fat cells, so a person can decrease insulin resistance by exercising.
  • 45. Smoking  smoking 16 to 25 cigarettes a day increases your risk for Type 2 diabetes to three times that of a non-smoker..  Increases complications esp. Retinopathy, Cardiovascular conditions •There is also evidences that links cigarette smoking with microvascular diseases in diabetes. •Smoking can cause chronic pancreatitis which leads to diabetes.
  • 46. Ethnicity  Incidence high in  African, Americans, Asians, American Indians, Hispanic, Caucasians, Latinos, Mexican-American, Europeans Age •It has been observed that as one grows older, particularly above 45 years of age, in them the chances to develop diabetes are increased. •It is chiefly because due to old age, the person becomes less active, tends to gain weight, leading to pancreatic dysfunction.
  • 47.
  • 48. Genetic Predisposition  People who belong to family background having history of diabetes are 25% more prone to develop diabetes. • The concordance of type 1 DM in identical twins ranges between 30% and 70% The major susceptibility gene for type 1 DM is located in the HLA region on chromosome 6 • The concordance of type 2 DM in identical twins is between 70% and 90% •if both parents have type 2 DM, the risk approaches 40%
  • 49. Gestational Diabetes Human placental Peripheral tissues Lactogen Insulin resistance Estrogen Pancreas Progesterone •Increased Fat stores •Prolactin •Changes in insulin receptor most women revert to normal glucose tolerance post-partum, but have a substantial risk (30– 60%) of developing diabetes mellitus later in life.
  • 50. Infections  Mumps, Coxsackie B, Cytomegalovirus, Kilham rat virus and rubella infections can damage the pancreas.  Coxsackie virus is the commonest viral cause  Some viruses can trigger or maintain autoimmune beta cell damage.
  • 51. Barker and Hales hypothesis  Evidence, mainly from animals, suggests that maternal and therefore fetal malnutrition during a critical early phase of fetal development can reduce Beta-cell mass and permanently impair insulin secretory reserve.
  • 52. Other factors  Endocrine  Acromegaly 25%  Cushing’s Disease 30%  Glucagonoma 90%  Drugs that decrease insulin sensitivity  Glucocorticoids  Beta-2 receptor antagonists  OCP
  • 54. “ The history of diabetic symptoms is of the greatest importance and an accurate appreciation of their severity far exceeds an estimation of the blood sugar as a means of assessing the need for treatment.” (John Malins, Clinical Diabetes Mellitus, Eyre & Spottiswoode, 1968)
  • 55. Clinical presentation Acute Sub acute Symptoms Symptoms •Acute & Sub acute presentations often overlap. But,  Asymptomatic diabetes can occur.
  • 56. Acute presentation Young people often present with a 2-3 weeks history and report the classical triad of symptoms. Thirst Polyuria 1.Thirst 2.Polyuria 3.Weight loss If not  Ketonuria treated Ketoacidosis
  • 57. Sub acute presentation  Clinical onset over several months, years  In older patients  Classical triad of symptoms are typically present. But complain of,  visual – blurring  pruritus vulvae (female)  balanitis (male) lack of energy  dry mouth  dysphagia
  • 58. balanitis Visual blurring Pruritus vulvae
  • 59. Other symptoms  Somnolence (the tendency to fall asleep)  Myopia  Nausea, headache  Tiredness, fatigue  Malaise  Hyperphagia - predilection for sweet foods
  • 60. Complications  Macrovascular  Microvascul ar diseases diseases Cardiovascular diseases Nehpropathy Eg: Coronary artery diseases Neuropathy Stroke Retinopathy • Foot infections • Erectile dysfunctions gangrene
  • 61. Asymptomatic diabetes  No symptoms or ill health.  Accidently detected ; as glycosuria or hyperglycemia on routine investigations (for other purposes).  Both are not diagnostic of diabetes but indicates a high risk of developing diabetes.
  • 62.
  • 63. Diabetes and pregnancy Group 9 and 10
  • 64. 1. Already diagnosed diabetes mellitus woman getting pregnant – Preexisting diabetes. 2. A woman who hasn’t been diagnosed diabetes, exhibit high blood glucose levels during pregnancy – Gestational diabetes
  • 65. Gestational diabetes  Gestational diabetes is defined as “Any degree of glucose intolerance with onset or first recognition during pregnancy"  Gestational diabetes generally has few symptoms and it is most commonly diagnosed by screening during pregnancy..
  • 66. Gestational diabetes During Human placental lactogen pregnancy level & Cortisol level increase • Both are insulin antagonists. • Cortisol gluconeogenesis glucose utilization Blood glucose • HPL insulin sensitivity glucose utilization
  • 67. Risk factors • Obesity BMI > 30 • Family history of diabetes • Previous babies having high birth weight ( >4.5kg ) • Previous still birth • Previous babies with congenital abnormalities
  • 68. Maternal complications  Pre-eclampsia (pregnancy induce hypertension )  Antepartum hemorrhage due to placental abbruption  Microvascular  Nephropathy  Retinopathy  Neuropathy  Macrovascular  Coronary artery disease  Hyperglycaemia / hypoglycaemia / ketoacidosis  Infection  Thrombo – embolic disease
  • 69. Fetal & neonatal complications  Increase risk of miscarriage & congenital fetal abnormalities  Neural tube defects, congenital heart diseases & spinal anomalies  Sacral agenesis (caudal regression syndrome)  Fetal macrosomia  Late still birth  Respiratory distress syndrome  Hypoglycaemia  Polycythaemia  Hyperbilirubinaemia  Hypomagnesemia Macrosomia
  • 70. Diagnosis of maternal diabetes  Glucose challenge test (>140mg/dl)  Oral glucose tolerance test.  Random blood sugar. Normal fasting glucose -<7mmol/l Impaired glucose intolerance -7.8- 11.1mmol/l Random blood glucose -<11.1mmol/l If Diabetes RBG>11.1mmol/l mellitus If FBG>7mmol/l
  • 71. Management Diabetic women are advised to maintain the blood sugar level close to normal range for 2 to 3 months in advance, before planning for pregnancy. Antenatal care  Frequent review  Increase insulin dose  Vigorous treatment for infection  Regular urine analysis to detect nephropathy At term,  Should not be allowed to continue beyond 38 weeks.  Caesarean section if needed.  Delivery before 36 weeks – Dexamethasone.  Monitor the blood glucose & urine ketone body regularly
  • 72. Newborn,  Anticipate & treat asphyxia  Cross monitoring blood glucose level for the first 72h  Early breast feeding  Look for congenital malformation.  Random blood sugar and give dextrose if necessary. On descharge  Check the fasting blood sugar  Complete family early & follow family planning method.
  • 73. References  Obstetrics by Ten Teachers
  • 74. DIABETIC KETOACIDOSIS GROUP 11 & 12 07/08 BATCH
  • 75. Introduction  Major medical emergency  Principally with type 1 diabetes  High blood sugar with ketones in urine and blood  Body can’t use glucose due to insulin shortage
  • 76. Main cause – Type 1 diabetes Usually occurs in following circumstances • Undiagnosed diabetes • Interruption to insulin therapy • Stress due to any illness (Also occurs in type 2 diabetes)
  • 77. Mechanism of Diabetes Ketoacidosis In adipose cells insulin inhibit the action of intracellular enzyme “Hormone-sensitive lipase”
  • 78.
  • 79. Development of Signs and Symptoms  Diabetic ketoacidosis appears to require Insulin deficiency coupled with a relative or absolute increase in glucagon concentration  Increased glucagon induces maximal gluconeogenesis and also impairs peripheral utilization of glucose resulting in severe hyperglycemia
  • 80. This induces osmotic diuresis that leads to volume depletion and dehydration that characterize the ketoacidotic state.  Glucagon activates the ketogenic process and thus metabolic acidosis.
  • 81. Symptoms & signs  Nausea  Vomiting  Excessive thirst  Frequent urination  Weakness  Ketone / Fruity smelly breaths  Hyperventilation  Confusion  Dry skin  Abdominal pain
  • 82.
  • 83. Diagnosis  Ketonuria or ketonemia is demonstrated  Dipstick method for hyperglycemia  Centrifugation blood for ketonemia ?  Arterial blood gas analysis
  • 84. Investigations  Urea & Electrolytes, Blood glucose, Plasma bicarbonate  Arterial blood gases to assess the severity of acidosis  Urinalysis for ketones  ECG
  • 85. Treatment Replace lost fluid & electrolytes suppressing high blood sugar & ketone production with insulin  Fluid replacement  Insulin therapy  Potassium  NaHCO3 ….?
  • 86. Prevention  Manage diabetes yourself  Monitoring blood sugar levels  Adjust insulin dose as needed  Check urine for ketone levels  Be prepared to act quickly
  • 87. References  Kumar & Clark;Clinical Medicine  Davidson;Clinical medicine  Harper’s illustrated biochemistry
  • 89. Have a considerably reduced life expectancy • 70%- due to cardio vascular diseases • Followed by 10% -renal failure • Pathophysiology • Non enzymatic glycosylation of protains • Polyoyl pathway • Abnormal microvasculr pathway • Other factors • Haemodynamic changes
  • 90. Complications 1.Macrovascular Hypertension Smoking Lipid abnormalities 2.Microvascular Daibetic eye disese Diabetic kidney Diabetic neuropathy The diabetic foot Infections Skin & Joints
  • 91. Diabetic Retinopathy • Impairment of loss of vision • Due to damage to blood vessels of retina • Cause of long standing diabetes Cataract Glucoma
  • 92. Diabetic nephropathy • Important cause of morbidity mortality • Among the most common causes of the end stage renal failure • Management is frequently different & benefits of prevention are substantial
  • 93. Diabetic neuropathy • Usually causing weakness & numbness • Symptoms are depended on nerves which damage • Most commonly affects legs
  • 94. Complications on foot  Main cause of the AMPUTATION is diabetes mellitus  Why it will end up with amputation ????  Diabetes………. 1) Narrow & hardening the blood vessels Poor circulation Less ability to fight with infections & healing also slow Foot ulcer Gangrene
  • 95. 2) Damage the nerves  Loss of sensation (peripheral neuropathy)  Injuries cannot be noticed  Susceptible for infections  3) Damage to the nerves controlling oil & moisture  Skin dryness  Easy to getting cracks  Susceptible for infections
  • 96. 4) Affects joints Making them stiffer  Charcot’s joints
  • 97. Effects of diabetes to blood vessels Diabetes mellitus Part of plaque Glucose Travel through circulation Cholesterol Breakage of plaque Lodge in a vessel Deposit in damaged of brain (STROKE) vessels Loss of blood supply to Atheroma ( in damaged inner layer) part of brain atherosclerosis Diameter of blood vessels Blood flow
  • 98. Effect of diabetes to heart  Diabetes mellitus  Atherosclerosis Blood glucose In peripheral Blockage of vessels coronary vessels blood flow blood supply Cardiac muscle to part of failure heart Heart has to pump (cardiomyopathy) more forcefully Ischemic heart disease hypertension Heart attack
  • 100. DIAGNOSIS OF DIABETES If patient complains of symptoms suggesting diabetes  Test urine for GLUCOSE & KETONES  Random Blood Glucose (normal <200mg/dL, 11.1mmol/L)  Fasting Blood glucose (FBG) if FBG>7.0mmol/l, 126mg/dL-DIABETES if (6.1 <= FBG < 7.0)mmol/l or (110 <= FBG < 126) mg/dL IMPAIRED FASTING GLUCOSE (IFG)  Oral Glucose Tolerance Test (OGTT)  HbA1C This can be utilized as an assessment of glycaemic control in a patient with known diabetic  other tests - Fructosamine test , Ketone body analysis, microalbuminuria test
  • 102. BENEDICT’S TEST  To assess urine sugar level  To 5ml Benedict’s solution add 8-10 urine drops,  Boil and allow to cool then observe color change. Color change % of sugar blue Nil Clear green 0.1 Turbid green 0.3 Green & Yellow 0.5-1.0 Yellow 1.0 Orange 2.0 Brick red >2.0 Maltose, galactose, , sucrose & drugs which contain aldehyde groups such as Aspirin, Penicillin, Vitamin C, antibiotics (+)ve results • detects only blood sugar levels >180mg/dL
  • 103. DIPSTICK METHOD • A plastic strip coated with reagents • Reagent strip measure glucose level using glucose oxidase method. GLUCOSE OXIDASE GLUCOSE H2O2 (Change the color of the indicator)
  • 105. Random blood glucose level • Measure the blood glucose level other than post prandial stage or fasting. • If it is above 11.1mmol (200mg/dl) considered as diabetes. • GLUCOMETER • For rapid diagnosis of blood glucose levels (capillary blood )
  • 106. Fasting Plasma Glucose After 12hr fasting measure the blood glucose level in venous blood. 4 mmol/L 6.1 7.0 80 mg/dL mmol/L mmol/L 110 126 mg/dL mg/dL Hypoglycemi Normal Impaired (Hyperglycemic) c Fasting Diabetes Glucose
  • 107. OGTT (Oral Glucose Tolerance Test)  Unrestricted carbohydrate diet for 3 days before test  8 Hour overnight fasting is required.  75g of glucose in 300ml of water is given orally within 5 minutes.  Measure plasma glucose BEFORE and 2 hours AFTER the glucose load. Time Non Diabetic Diabetic Impaired Glucose _ Tolerance Fasting(0 <6.1mmol/l >7.0mmol/l 6.1-7.0mmol/l min) (110mg/dl) (126mg/dl) (110-126mg/dl) 120min <7.8mmol/l >11.1mmol/l >7.8-11.1mmol/l (140mg/dl) (200mg/l) (140-200mg/dl)
  • 108. HbA1C  Measure the glycated hemoglobin proportion which indicates the glycaemic condition  Glycosylation of hemoglobin α [glucose]  This can reflect the glycaemic control of the patient over 2 to 3 months  For every 1% increase of theHbA1c indicate 35mg/dl incease of blood glucose levels. 4.5% – 6.5 % Reference range HbA1c > 8% Poor control
  • 109. HbA1 Mean plasma glucose c % mg/dl 6 135 7 170 8 205 9 240 10 275 11 310 12 345
  • 110. Fructosamine Test  Fructosamine = glycosylated plasma proteins, mainly albumin  Indicate previous 2-3 week glyceamic control  Impaired in patients with anemia , hemoglobinopathies & pregnancy.
  • 111. DIAGNOSIS OF COMPLICATIONS OF DIABETES  Diagnosis of Diabetic Neuropathy Lower limbs  Peripheral pulses  Tendon reflexes  Perception of vibration sensation, light touch and proprioception Feet  Callus skin indicating pressure areas  Nails  Need for podiatry  Ulceration  DeformityDiabetic Nephropathy
  • 112. Diagnosis of Diabetic Nephropathy Microalbuminuria test  In normal people Albumin excretion =30mg/day  In kidney damage > 300mg/day  In diabetic nephropathy ; Albumin excretion =30-300mg/day microalbuminuria
  • 113. Diagnosis of Diabetic Retinopathy Eye examination  Visual acuities (near and distance)  Ophthalmoscopy (with pupils dilated)  Digital photography
  • 114. Group 17 & 18
  • 115.  Diet is an essential part of the management of diabetes  Diet is based on healthy eating principles
  • 116. Reasons for diet •Weight control •Blood glucose control •Prevention and management of short-term and long-term complications of diabetes
  • 117. Basic Principles of Diabetic Diet •Ensure regular meals • Base meals on starchy carbohydrates • Aim for more fruit and vegetables • Cut down on sugar and sugary foods • If in doubt read food label • Encourage relatives to bring low sugar foods •Reduce salt
  • 118. Eat starchy foods regularly  Bread  Potatoes  Rice  Cereals  Plantain  CHO –to form 45-60% of total energy [cereals,vegetables,legumes] better use foods which has low glycaemic index
  • 119. Eat fruit and vegetables  Fresh  Frozen  Tinned  Dried  Juice  Encourage food rich in antioxidants - vitamins
  • 120. Reduce protein intake  Restriction of protein intake to 0.6 -0.8 g/ kg/ day  Replace red meat with chicken ,fish or vegetable protein  To contribute 10-20% of total energy
  • 121. • Aim for low sugar diet –Not a sugar free diet –Instead of sweet cakes/ biscuits offer fruit loaf, plain biscuits, teacakes  Cut down on sugar and sugary foods: • Use low sugar foods – Use drinks labeled diet, low calorie or sugar- free – Choose diet or ‘light’ yoghurts instead of low-fat or whole yoghurts • Use sugar free/ low sugar - jelly, custard, rice pudding as dessert ideas
  • 122. Nutrition Claims – Sugar ‘No added Sugar’ – No sugar from any source added ‘Low Sugar’ – No more than 5gs sugar/100gs ‘Reduced Sugar’ – 25% less sugar than regular product FREE SUGER – do not exceed 50g per day
  • 123. Choose more high fibre foods To help maintain blood glucose levels and cholesterol levels Helps to maintain a  Fruit healthy gut  Vegetables  Pulses • Wholegrain cereals  Oats • Wholemeal bread • Brown rice  FIBERS – 40g per day or more half of fiber should be soluble
  • 124. Reduce animal or saturated fat intake  Use low fat milk  Use low fat spread instead of butter  Use oil high in unsaturated fat, eg olive oil, rapeseed oil
  • 125. Use less fat in cooking  Dry-roast  Microwave  Steam  FAT - should not exceed 30 % of total energy restrict cholesterol to 300mg or less per day
  • 126. Choose the right sort of fat SATURATED MONO- POLY- UNSATURATED UNSATURATED • Full fat dairy produce (eg • Olive oil • Sunflower oil cheese, butter, (products) • Rapeseed oil full cream milk) • Oily fish • Groundnut oil • Biscuits • Savoury snacks • Lard • Hard vegetable fat
  • 127. Nutrition Claims – Fat ‘Low Fat’ - . 3g Fat/ 100g or 100mls ‘Less than 5% Fat’ - . 5g fat/ 100g Reduced Fat’ – 25% less fat than similar products
  • 128. Reduce salt intake • Cut down on added salt • Use alternatives • Look out for reduced/low sodium foods, eg bread • Avoid salt substitutes • SODIUM – restrict to 6g per day
  • 129. Alcohol • Alcohol in moderation can be included, no more than: – 1-2 units/ day for women – 2-3 units/ day for men • Never give alcohol on an empty stomach • Remember to use ‘diet’ mixers •Caution with sweet liqueurs
  • 130. Special diabetic foods  Not recommended  May contain more fat or energy than other foods  May be low in fibers  Has sorbitol – may cause diarrhoea  Excessive fructose may be used - Fruit sugar (fructose) when used excessively as a sweetener will still affect blood sugars in the same way as normal sugar!!
  • 131. If Residents Overweight • Weight loss is desirable –via exercising • Encourage to cut down on fatty foods e.g. chips, pastry, crisps, biscuits, cheese and fried foods • Encourage low-fat food options e.g. semi-skimmed milk, low-fat spread • Offer fruit/ low fat yoghurt as a dessert • Snacks not essential
  • 132. If residents malnourished • Encourage small frequent meals and low sugar puddings and snacks: – Glass of milk/ milky drinks – Crackers and cheese – Toast, butter and reduced sugar jam – Breakfast cereals, nuts – low fat yoghurt or low sugar milk pudding – Plain biscuits, fruit cake, kurakkan bread,
  • 133. Recommended food meals for a diabetic patient Breakfast –chickpea 1 cup or green gram 1 cup or bread two slices with polsambol 1 tsp. Lunch – Rice two cups , Vegetables 6 tablespoons , green leaves ½ cup, fish or chicken 1 piece, fruit 1 serving Dinner – Rice 1 cup, vegetable 3 tablespoons, Dhal 3 tablespoons, Fruit 1 serving
  • 134. Key Points • Ensure regular meals • Base meals on starchy carbohydrates • Aim for more fruit and vegetables • Cut down on sugar and sugary foods • If in doubt read food label • Encourage relatives to bring low sugar foods
  • 136. CANNOT CURE. But can prevent.  Kathmandu declaration- life cycle approach for prevention & care of DM. o Primary prevention o Secondary prevention
  • 137.
  • 138.
  • 139.
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  • 144.