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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
slide14
Host
  • Age
  • Sex
  • Poor nutrition
  • Habits
  • HIV
  • Immunity - BCG
slide15
Age

Sex

Poor nutrition

Habits

HIV

Immunity – BCG/OPV

Age :

Old age (eg. TB)

Infancy(eg.diarrhoea)

Sex:

Male

female

Host
slide16
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
slide17
Age

Sex

Poor nutrition

Habits

HIV

Immunity - BCG

Habits

Prevention of substance abuse

Hygiene (food, dental)

Other

Host
slide18
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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