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- Article] Schistosoma mansoni, intestinal parasites and perceived morbidity indicators in schoolchildren in a rural endemic area of western Cote d'Ivoire
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DocNo of ILP: 7201
Doc. Type: Article
Title: Schistosoma mansoni, intestinal parasites and perceived morbidity indicators in schoolchildren in a rural endemic area of western Cote d'Ivoire
Authors: Utzinger, J; N'Goran, EK; Aya, CME; Adjoua, CA; Lohourignon, KL; Tanner, M; Lengeler, C
Full Name of Authors: Utzinger, J; N'Goran, EK; Aya, CME; Adjoua, CA; Lohourignon, KL; Tanner, M; Lengeler, C
Keywords by Author: Cote d'Ivoire; intestinal schistosomiasis; Schistosoma mansoni; intestinal parasites; morbidity; disease perception; rapid assessment procedures
Keywords Plus: URINARY SCHISTOSOMIASIS; QUANTITATIVE-ANALYSIS; CLINICAL SIGNS; EGG EXCRETION; INFECTION; SYMPTOMS; INTENSITY; COMMUNITY; QUESTIONNAIRES; PREVALENCES
Abstract: There is a great need for rapid and low-cost identification of communities at high risk of intestinal schistosomiasis. We report the development of a questionnaire approach that may do so. In the first phase, 209 schoolchildren from 3 neighbouring villages in a rural area endemic for intestinal schistosomiasis in western Cote d'Ivoire were screened for Schistosoma mansoni and other helminths on 4 consecutive days using Kato-Katz thick smears. Daily infection prevalences of S. mansoni were high (60%-71%) and the cumulative infection prevalence was 92.3 %. Infections with hookworms and Ascaris lumbricoides were also frequent, with cumulative prevalences of 60.8% and 38.3%, respectively. On day 3, the presence of Entamoeba histolytica/E. dispar and Giardia lamblia was assessed by a faecal concentration procedure. In the second phase, focus group discussions (FGD) were conducted: in each village one FGD with heavily infected children and one FGD with lightly or S. mansoni-uninfected schoolchildren to assess their perception of morbidity. The aim was to establish local terms indicating S. mansoni infections. 'Diarrhoea', 'blood in the stools','stomach disorders' and 4 terms in the local Yacouba/Dioula languages were frequently used by infected children. A simple questionnaire was then developed and the headteachers interviewed all schoolchildren individually. 'Blood in stools', gnon and toto were reported significantly more frequently among moderately and heavily S. mansoni-infected children than by those not or only lightly infected. The term gloujeu indicated borderline significance. The best diagnostic performance was found for 'blood in stool' (sensitivity: 47%; specificity: 76%; positive predictive value: 66%; negative predictive value: 60%). All schistosomiasis infections were treated with a single oral dose of praziquantel (40 mg/kg body weight) and the same questionnaire was re-administered 6 weeks post-treatment. Statistically significantly less children reported having had 'blood in stool' and 'gloujeu' after treatment (McNemar's (chi(2)-test, P < 0.01). We conclude that 'blood in stool','gnon', 'toto' and 'gloujeu' are the most reliable reported symptoms for rapid and low-cost identification of communities that are at high risk of S. mansoni infections in Cote d'Ivoire.
Cate of OECD: Health sciences
Year of Publication: 1998
Business Area: other
Detail Business: medicine & science
Country: England
Study Area: interviewstatistics, interview, statistics, children, risk, disease
Name of Journal: TROPICAL MEDICINE & INTERNATIONAL HEALTH
Language: English
Country of Authors: Swiss Trop Inst, Dept Publ Hlth & Epidemiol, CH-4002 Basel, Switzerland; Ctr Suisse Rech Sci, Abidjan, Cote Ivoire; Univ Cocody, Lab Biol Anim, Abidjan, Cote Ivoire; Univ Cocody, Dept Sociol, Abidjan, Cote Ivoire
Press Adress: Lengeler, C (reprint author), Swiss Trop Inst, Dept Publ Hlth & Epidemiol, CH-4002 Basel, Switzerland.
Email Address: lengeler@ubaclu.unibas.ch
Citaion:
Funding:
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Number of Citaion: 39
Publication: BLACKWELL SCIENCE LTD
City of Publication: OXFORD
Address of Publication: P O BOX 88, OSNEY MEAD, OXFORD OX2 0NE, OXON, ENGLAND
ISSN: 1360-2276
29-Character Source Abbreviation: TROP MED INT HEALTH
ISO Source Abbreviation: Trop. Med. Int. Health
Volume: 3
Version: 9
Start of File: 711
End of File: 720
DOI:
Number of Pages: 10
Web of Science Category: Public, Environmental & Occupational Health; Tropical Medicine
Subject Category: Public, Environmental & Occupational Health; Tropical Medicine
Document Delivery Number: 122WF
Unique Article Identifier: WOS:000076093900005
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