Epidemiological aspects of git disorders
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Epidemiological aspects of GIT disorders. Dr. Wasantha Gunathunga. objectives. To describe occurrence of GIT disorders To discuss factors affecting GIT dis. To discuss preventive aspects. Epidemiology.

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Objectives
objectives

  • To describe occurrence of GIT disorders

  • To discuss factors affecting GIT dis.

  • To discuss preventive aspects


Epidemiology
Epidemiology

  • The study of distribution and determinants of health related states or events in human populations

  • GIT disorders

  • Disorders that manifest predominantly in the gastro intestinal system


Git disorders
GIT disorders

  • Communicable

  • Non communicable


Occurrence of git disorders communicable
Occurrence of GIT disorders-communicable

  • Parasitic

  • Helminths –

  • hook worm, round worm whip worm, pin worm


Occurrence of git disorders communicable1
Occurrence of GIT disorders-communicable

  • Parasitic

  • Amoebas – E.histolitica

  • Other


Occurrence of git disorders communicable2
Occurrence of GIT disorders-communicable

  • Bacteria and viruses

  • Gastritis

  • Hepatitis

  • Enteritis

  • Colitis

  • Other


Occurrence of git disorders non communicable
Occurrence of GIT disorders-Non-communicable

  • Gastritis, gastric ulcers

  • Malignancies

  • Ulcerative colitis

  • Alcohol related problems

  • Other


In sri lanka
In Sri Lanka

  • In Sri Lanka a community survey of seven districts found 20 – 32 per cent current drinkers. In the rural area those who drink do so heavily. A survey in eight villages showed 71 per cent of respondents drinking daily. Use is higher among poor families. 93 per cent of respondents used locally produced alcohol, which is not reflected in the per capita consumption.

http://www.ias.org.uk/publications/theglobe/01issue3,4/globe0103_04_p4.html


In sri lanka1
In Sri Lanka

  • Fifty-seven Sinhalese patients were investigated for the presence of Helicobacter pylori by PCR. A prevalence of 70.1%, was demonstrated.

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=120560


Levels of prevention

H- nutr, imm

Levels of prevention

  • Primary

  • Secondary

  • Tertiary


Host

  • Age

  • Sex

  • Poor nutrition

  • Habits

  • HIV

  • Immunity - BCG


Age

Sex

Poor nutrition

Habits

HIV

Immunity – BCG/OPV

Age :

Old age (eg. TB)

Infancy(eg.diarrhoea)

Sex:

Male

female

Host


Age

Sex

Poor nutrition

Habits

HIV

Immunity - BCG

Poor nutrition

Proper infant and child feeding

Nutrition during illness

Nutrition in special groups

Proper feeding of senior citizens

Host


Age

Sex

Poor nutrition

Habits

HIV

Immunity - BCG

Habits

Prevention of substance abuse

Hygiene (food, dental)

Other

Host


Age

Sex

Poor nutrition

Habits

HIV

Immunity - BCG

Prevention of HIV will prevent many other infections

Immunity –by vaccinations – hep B, A, OPV, other.

Host


Agent
Agent

  • Prevent drug resistance –proper use of antibiotics

    Look for new forms – mutations, eg. New cholera strains


Environment
Environment

  • Recognize occupational exposure

  • Improve domestic water and food supply

  • Prevent antibiotic residues in food


Secondary prevention
secondary prevention

  • Surveillance

  • Screening

  • Complete treatment


Surveillance
Surveillance

  • Epidemiological surveillance is the continuous scrutiny of factors that determine the occurrence and distribution of diseases or other conditions of ill health. It includes systematic collection, analysis, interpretation and distribution of relevant data for action.


Approaches of prevention
Approaches of prevention

  • Population approach

  • High risk approach



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