Recurrence characteristics in European patients with ocular toxoplasmosis

Garweg, J G; Scherrer, J N; Halberstadt, M (2008). Recurrence characteristics in European patients with ocular toxoplasmosis. British journal of ophthalmology, 92(9), pp. 1253-6. London: BMJ Publishing Group 10.1136/bjo.2007.123661

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BACKGROUND: The risk of function loss after each episode of ocular toxoplasmosis (OT) supports efforts to improve our understanding of the disease. Patients and methods: 139 patients with OT were contacted retrospectively and requested to complete a questionnaire addressing course and activity of their disease. This information was compared with that retrieved from their medical records. Sixty-three patients completed the questionnaire and were included in the study. They were allocated according to their median age to one of two groups (group 1: <20.9 years; group 2: >or=20.9 years). RESULTS: The mean reported age at the time of first ocular manifestation was 23.9 (median 20.9, range 0 to 70.5; SD 12.9) years. The clinical diagnosis was made 3.5 years later (p = 0.0008). The follow-up time was 6.5 (median 5.0; range 0.5 to 49.9; SD 7.6) years. The recurrence rate was higher in patients below 20.9 years (66%; n = 35) than in older patients (39%; n = 28; chi(2) test, p<0.05). Patients reporting only one episode were older at first manifestation (29.6 (median 25.6; range 10.6 to 70.5; SD 14.3) years; n = 29) than those reporting two episodes (17.9 (median 19.5; range 5.9 to 33.9; SD 7.8) years; n = 15 (p<0.05)). The proportion of patients who developed a recurrence was 54-63% after each episode without a tendency to enlarge, and the interval between successive episodes remained stable between 1.0 and 1.7 years for the first three recurrences. CONCLUSION: Younger OT patients carry a higher risk of developing a recurrence than older ones. After each episode, two-thirds of all OT patients will develop another one.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology

UniBE Contributor:

Garweg, Justus

ISSN:

0007-1161

ISBN:

18211930

Publisher:

BMJ Publishing Group

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:05

Last Modified:

04 May 2014 23:20

Publisher DOI:

10.1136/bjo.2007.123661

PubMed ID:

18211930

Web of Science ID:

000258669300021

URI:

https://boris.unibe.ch/id/eprint/28241 (FactScience: 118974)

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