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Free Content Temporal trends and epidemiological aspects of ciguatera in French Polynesia: a 10-year analysis

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Summary Objectives  The purpose of this study was to report the temporal trends of the incidence of ciguatera poisoning from 1992 to 2001 in French Polynesia. Methods  This retrospective study analysed 7842 cases of ciguatera disease recorded over a period of 10 years. Results  The annual incidence varied from 26.3 to 41.9 per 10 000 person-years. An analysis of cases grouped by archipelago revealed differences in incidences ( < 0.0001) with the most remote archipelagos having the highest incidences. A detailed analysis on a sub-sample of recorded cases for which clinical information was available ( = 1824) confirmed the neurological and gastrointestinal nature of this seafood poisoning. Conclusion  The incidence of ciguatera poisoning appeared relatively stable during the 10 years of the study period. However, the gradient of remoteness observed suggests an adaptation of management of ciguatera disease to each archipelago.


Le but de cette étude était de rapporter les tendances temporelles de l'incidence de l'empoisonnement de ciguatera de 1992 à 2001 en Polynésie française. Méthodes 

Etude rétrospective de 7842 cas de ciguatera enregistrés sur une période de dix ans. Résultats 

L'incidence annuelle variait de 26,3 à 41,9 par 10000 personnes année. Une analyse des cas groupés par archipel a indiqué des différences dans les incidences (p < 0.0001); les archipels les plus éloignés ayant les incidences les plus élevées. Une analyse détaillée sur une partie de l’échantillon de cas enregistrés pour lesquels l'information clinique était disponible (n = 1824) a confirmé la nature neurologique et gastro-intestinale de cet empoisonnement par fruits de mer. Conclusion 

L'incidence de l'empoisonnement de ciguatera semble relativement stable au cours des dix années de la période d’étude. Cependant, le gradient observé de l’éloignement suggère une adaptation dans la prise en charge de la ciguatera dans chacun des archipels.
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Keywords: Ciguatera; French Polynesia; Incidence; Incidencia; Polinesia francesa; Polynésie française; Rates; Seafood poisoning; Tasas; Tendencias; Trends; incidence; intoxicación por marisco; intoxication par fruits de mer; symptoms; symptômes; síntomas; taux; tendances

Document Type: Research Article

Affiliations: 1:  Public Health Research Unit, Laval University Medical Research Center-CHUQ, Québec, Canada 2:  Public Health Directorate of French Polynesia, Tahiti, French Polynesia 3:  Institut Louis Malardé, Tahiti, French Polynesia 4:  Institut National de santé publique du Québec, Beauport, Canada

Publication date: 2007-04-01

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