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[Clinico-epidemiological study of botulism poisoning in La Rioja (1979-1990)]
1Secciones de Medicina Interna I y III, Complejo Hospitalario San Millán-San Pedro, Logroño.
Background:
The aim of the present study was to evaluate botulinic poisoning requiring hospital admission in La Rioja (Spain) during one decade from a clinical-epidemiologic point of view.
Methods:
Chart records from patients admitted to the departments of Internal Medicine, Neurology, the ICU, and the Neurophysiology and Preventive Medicine files of the reference hospital between 1979 and 1990 were retrospectively reviewed.
Results:
Fifteen cases were identified. Home preserves of vegetables were most frequently the foods responsible for the poisoning. The presentation as a sole case constituted half of this series. The most frequent symptomatology was neuro-ophthalmologic and digestive. All the cases were type B. Neurophysiologic studies were compatible with the diagnosis in all the cases in which they were performed. Two cases (13.3%) required intensive care and death occurred in one (6.6%).
Conclusions:
a) The habit of home preserves was responsible for the presentation of botulism in this environment. b) Early diagnosis was based on complementary clinical tests together with the neurophysiologic study. c) The mild forms were most frequent. Death in this series was 6.6%.