INCIDENCE OF ACUTE SYMPTOMATIC TOXOPLASMA RETINOCHOROIDITIS IN SOUTH LONDON ACCORDING TO COUNTRY OF BIRTH

被引:35
作者
GILBERT, RE
STANFORD, MR
JACKSON, H
HOLLIMAN, RE
SANDERS, MD
机构
[1] ST THOMAS HOSP,MED EYE UNIT,LONDON SE1 7EH,ENGLAND
[2] ST GEORGE HOSP,DEPT OPHTHALMOL,LONDON SW17 0QT,ENGLAND
[3] ST GEORGE HOSP,PUBL HLTH LAB SERV,TOXOPLASMA REFERENCE UNIT,LONDON SW17 0QT,ENGLAND
基金
英国惠康基金;
关键词
D O I
10.1136/bmj.310.6986.1037
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective-To determine the incidence of acute symptomatic toxoplasma retinochoroiditis presenting to ophthalmologists for patients born in Britain and elsewhere. Design-Population based, cross sectional study. Setting-11 districts in south Greater London. Subjects-All patients presenting ophthalmologists with symptoms due toxoplasma retinochoroiditis in 1992-3. Main outcome measure-Intraocular inflammation in association with a retinochoroidal scar, active adjoining retinitis, and IgG serum antibodies to toxoplasma. Results-The estimated incidence of acute symptomatic retinochoroiditis for all people born in Britain was 0.4/100 000/year and for black people born in west Africa 57/100 000/year. If a mean of two symptomatic episodes per lifetime is assumed, 100 people born in Britain may be affected each year, about a fifth of the estimated 500-600 congenitally infected people born each year. Conclusions-A substantial proportion of people with acute symptomatic toxoplasma retinochoroiditis were born outside the country, and the number born in Britain was smaller than the number previously estimated to develop retinochoroidal lesions due to congenital toxoplasmosis. These findings suggest that prenatal screening for toxoplasmosis in Britain may be of limited benefit.
引用
收藏
页码:1037 / 1040
页数:4
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