ACCIDENTE OFIÂ DICO EN NINÄ OS EN COSTA RICA: EPIDEMIOLOGIÂ A Y DETECCIOÂ N DE FACTORES DE RIESGO EN EL DESARROLLO DE ABSCESO Y NECROSIS

PII: S0041-0101(97)00076-7 Toxicon, Vol. 36, No. 2, pp. 359±366, 1998 # 1998 Elsevier Science Ltd. All rights reserved Printed in Great Britain 0041-

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PII: S0041-0101(97)00076-7

Toxicon, Vol. 36, No. 2, pp. 359±366, 1998 # 1998 Elsevier Science Ltd. All rights reserved Printed in Great Britain 0041-0101/98 $19.00 + 0.00

ACCIDENTE OFIÂDICO EN NINÄOS EN COSTA RICA: EPIDEMIOLOGIÂA Y DETECCIOÂN DE FACTORES DE RIESGO EN EL DESARROLLO DE ABSCESO Y NECROSIS PABLO SABORIÂO,1 MARIO GONZAÂLEZ1 and MARTA CAMBRONERO2* Hospital Tony Facio Castro, LimoÂn, Costa Rica; and 2Instituto Costarricense de InvestigacioÂn y EnsenÄanza en Salud y NutricioÂn, Tres Rios, Costa Rica

1

(Received 2 February 1997; accepted 21 May 1997)

P. Saborio, M. GonzaÂlez and M. Cambronero. Snakebites in children in Costa Rica: epidemiology and risk factors related to the occurrence of abscess and necrosis in 80 cases. Toxicon 36, 359±366, 1998.ÐA retrospective epidemiological analysis is presented of 80 snakebites in children admitted to the Pediatrics Service of Tony Facio Hospital in LimoÂn, Costa Rica, between 1985 and 1995. An overall incidence rate of 20 snakebite accidents per 100,000 inhabitants per year was calculated for the region in that period. However, a higher incidence was described in some counties (36 and 30 cases per 100,000 inhabitants in Talamanca and Siquirres, respectively). Most of the cases occurred in February and November, between 16:00 and 19:00 hr. The mean age of the a€ected children was 8.67 2 2.66 years. No signi®cant di€erence was found between genders. Thirty-three children a€ected (41.2%) were members of the local indigenous groups and 31 (38.8%) were residents of Talamanca County. The species of snake responsible were identi®ed in 58.4% of cases, with Bothrops asper being the most important. The lower extremities were the most important primary site a€ected (86.3%). The most common clinical complications described in the study group were abscess formation (11.25%), necrosis (10%), renal failure (3.75%), compartmental syndrome (2.5%) and anaphylactic shock (1.25%). The overall mortality was 2.5%. Statistical analysis of the risk factors relating to the two most common complications showed that the condition of coming from Talamanca County (P = 0.02), damage in the proximal extremities (P = 0.02), a prothrombin time

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