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Status of Iodine Deficiency Disorders, Salt Iodisation

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... A swelling in the neck that is visible (V) when the neck is in a normal position ... Casual on the spot urine samples in small plastic bottles ... – PowerPoint PPT presentation

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Title: Status of Iodine Deficiency Disorders, Salt Iodisation


1
Status of Iodine Deficiency Disorders, Salt
Iodisation its Awareness in Urban Population of
Udaipur District, Rajasthan
  • Study was funded by Indian Council of Medical
    Research, New Delhi
  • Pradhan R. Lecturer, Govt. Home Science College,
    Sector 10, Chandigarh
  • Choudhury M. Dean, College of Home Science,
    Udaipur, Rajasthan

2
Introduction
  • Iodine Deficiency Disorders (IDDs) are a global
    public health problem including India.
  • Iodine deficiency is the worlds most preventable
    cause of brain damage and main cause of impaired
    cognitive development in children.
  • In India, 200 million live at the risk of IDD,
    more than 71 million suffer from Goiter and other
    IDDs
  • Spectrum of IDDs affect all ages- the fetus, the
    neonate, the child, adolescents and adults.

3
Rationale
  • In view of its widespread prevalence, its ill
    effects at various stages of life cycle and lack
    of availability of recent scientific data
  • 1993, Goiter prevalence was reported to be 10.2
  • According to WHO - lt5 of school children
  • (6-12yrs) suffer from goiter the area is
    classified as endemic.

4
Objectives
  • To assess current prevalence of IDD in Urban
    area of Udaipur district.
  • To find out the iodine nutriture of the target
    population.
  • To assess the status of salt iodisation at the
    beneficiary level.
  • To find out awareness regarding IDD, iodised salt
    and its importance.

5
Methodology
  • Locale Urban area of Udaipur District.
  • Sampling Design - Stratified Multistage
  • Sample selection
  • Udaipur city- East, West, North, South, Center
  • Exhaustive list of all the schools was prepared
  • Two coeducational schools from each zone were
    selected
  • Consent from the Principals of selected school
    was taken
  • Children in the age group of 6-12years were
    selected
  • Children were briefed about the importance of the
    study and consent of the children was taken

6
Methodology
  • Sample size
  • Presumption about the prevalence of the goiter -
    15
  • Relative precision -10
  • Confidence level - 95
  • Sample calculated- 2190
  • Assessment of IDD was done using both clinical
    and biochemical methods
  • Thyroid palpation
  • Urinary Iodine excretion method
  • Estimation of iodine content of salt samples at
    household level

7
Assessment of IDD
  • Clinical examination
  • Goiter traditional , recommended thyroid
    palpation method after obtaining training from
    an expert endocrinologist.
  • Goiter graded according to WHO (1994)
    classification
  • Classification
  • Grade 0-Not palpable or visible Goiter
  • Grade 1-A mass in the neck that is consistent
    with an enlarged thyroid that is palpable but
    not visible (PNV).It moves upward in the neck
    as the subject swallows.
  • Grade 2-A swelling in the neck that is visible
    (V) when the neck is in a normal position and is
    consistent with an enlarged thyroid when the
    neck is palpated.

8
Biochemical estimation
  • Casual on the spot urine samples in small
    plastic bottles
  • Wet digestion method(Dunn et al,1993) at Human
    Nutrition Unit, All India Institute of Medical
    Sciences, New Delhi.
  • Classified using (WHO,1994)Classification

9
Salt iodisation
  • Estimation of iodine content of salt samples at
    household level.
  • 20 g of salt (auto seal, polythene pouches)
  • Iodometric titration method(Tyabji et al,1990).
  • Awareness-Questionnaire - IDD, iodised salt and
    its importance .

10
Prevalence of Goiter in children
TGR 8.4
11
Age wise prevalence of Goiter
12
Prevalence of IDD by Median UIE levels
Severe
Moderate
Mild
Normal
13
Distribution of salt samples by iodine content
14
Awareness regarding IDD and iodised salt
15
Conclusion
  • Transition of population from iodine deficient to
    iodine sufficient.
  • Effective implementation of National Iodine
    Deficiency Disorders Control Programme.
  • High awareness about IDD and iodised salt due to
    large scale , intensive mass media education
    programme.

16
Dr. Ritu PradhanLecturer,Government Home
Science College, Sector 10, Chandigarh E mail
sharmapritu_at_yahoo.com
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