Epidemiological aspects of snakebites in the state of Amazonas, Brazil, from 2007 to 2017

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DOI:

https://doi.org/10.5216/rpt.v50i4.67841

Resumo

This study comprises a retrospective analysis of snakebites in the State of Amazonas, Brazil, from 2007 to 2017. Data were collected from the Notifiable Diseases Information System (NDIS). 17,056 snakebites were recorded in Amazonas between 2007 and 2017. During the study period, the Rio Negro and Tefé micro-regions had the highest accumulated incidence, while small municipalities such as São Gabriel da Cachoeira, Uarini and Alvarães presenting a high incidence rate during the same period. Snakes in the genera Bothrops and Lachesis caused 69.5% and 20.3% snakebites. Snakebites occurred more frequently in the Amazonian winter, between January and April, and most of the snakebite victims (78.6%) were men. The most affected individuals were between 20 and 39 years of age (59.4%). The time elapsed between snakebites and medical assistance varied from one to six hours (51.4%). 7,705 of the snakebite cases, were classified as moderate, 7,328 as mild, and 1,299 as severe. Of the 104 deaths that occurred in the period, Bothrops genus caused the highest mortality (68.3%). The State of Amazonas recorded both high numbers of snakebites in the period 2007-2017 and the time elapsed between snakebite and medical assistance, which may affect the clinical status of patients.

KEY WORDS: Bothrops; Lachesis; Amazon; snakes; viperidae

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Publicado

2021-12-22

Como Citar

BRAGA DA SILVA, T. .; ALY, J. .; FIGUEIRA, M.; MENDONÇA DA GAMA ARAÚJO, C. .; KAROLINA FREITAS DE SOUSA, I.; ALBERTO TONIN, A.; GOMES FERNANDES, L.; SOUSA, R. Epidemiological aspects of snakebites in the state of Amazonas, Brazil, from 2007 to 2017. Revista de Patologia Tropical / Journal of Tropical Pathology, Goiânia, v. 50, n. 4, p. 315–326, 2021. DOI: 10.5216/rpt.v50i4.67841. Disponível em: https://revistas.ufg.br/iptsp/article/view/67841. Acesso em: 26 jun. 2022.

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Seção

ARTIGOS ORIGINAIS / ORIGINAL ARTICLES