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Trichiasis among close relatives, central Ethiopia.
Muluken Melese1, Wondu Alemayehu, Alemayehu Worku
1mulukenm@telecom.net.et
Ethiopian Medical Journal
|August 27, 2005
Summary
Trichiasis, an eye condition, frequently occurs within families, especially among mothers and sisters of affected individuals. This familial clustering highlights the need for targeted interventions to control its spread.
Area of Science:
- Ophthalmology
- Public Health
- Epidemiology
Background:
- Active trachoma exhibits familial clustering, but the pattern for trichiasis remains less understood.
- Understanding trichiasis transmission within families is crucial for effective intervention strategies.
Purpose of the Study:
- To investigate the intrafamilial clustering of trichiasis.
- To determine if trichiasis prevalence within families mirrors that of active trachoma.
Main Methods:
- A cross-sectional study involving 739 trichiasis patients presenting for surgery.
- Data collected through interviews on the presence of trichiasis in nuclear and extended family members.
Main Results:
- 14% of trichiasis cases had affected nuclear family members; 20% had affected extended relatives.
- Trichiasis prevalence increased with family size (P < 0.001).
- Females, particularly mothers and sisters, were most affected, with a 70% chance of a female trichiasis patient having affected relatives.
Conclusions:
- Trichiasis demonstrates significant intrafamilial clustering, especially among female relatives.
- Findings suggest a strong genetic or shared environmental component in trichiasis development.
- Intervention strategies should consider family-based approaches for trichiasis control.