Pediatric epidemiological aspects of scorpionism and report on fatal cases from Tityus stigmurus stings (Scorpiones: Buthidae) in State of Pernambuco, Brazil

Cleide Maria Ribeiro De Albuquerque,Sofia Campos Vidal Pires,Maria Lucineide Porto Amorim,Pedro De Lima Santana Neto

doi:10.1590/0037-8682-0089-2013

Cleide Maria Ribeiro De Albuquerque, Sofia Campos Vidal Pires + Show 2 more

Open Access

https://doi.org/10.1590/0037-8682-0089-2013

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Abstract

Envenomation by scorpion stings is a major public health problem in numerous tropical countries because of its frequent incidence and potential severity. Approximately 1,900 species of scorpions are known in the world, and at least 130 of these have been described in Brazil. This work reports on 3 child deaths caused by Tityus stigmurus stings and characterizes epidemiological and clinical surveys on pediatric cases of scorpionism recorded in the Centro de Assistência Toxicológica de Pernambuco (Ceatox-PE). Scorpion stings accounted for more than 60% of all cases recorded for venomous animals. The children were from 37 cities of the State of Pernambuco and accounted for 28.8% of the victims treated for scorpion stings, with the highest incidence in the metropolitan area of Recife. Stings occurred throughout the year and slightly increased during the rainy season. Independent of the elapsed time for a prognosis, most cases showed mild symptoms. Three moderate cases that resulted in death featured cardiogenic shock and/or pulmonary edema or severe neurological symptoms. For the fi rst time, death attributed to T. stigmurus was confirmed by the presence of the scorpion. These results suggest that scorpionism in Pernambuco is a public health problem that needs to be monitored carefully throughout the year by the government.

Highlights

Envenomation by scorpion stings is a major public health problem in numerous tropical countries because of its frequent incidence and potential severity
Among more than 130 scorpion species described in Brazil[8], at least 11 harm humans, the species Tityus serrulatus Lutz & Mello, 1922), T. bahiensis (Perty, 1833), T. stigmurus (Thorell 1876) and T. obscurus (Lourenço, 2008), which are responsible for serious envenomation or death, in children[9]
A retrospective study of scorpion stings in children was conducted through cases reported to the Centro de Assistência Toxicológica de Pernambuco (Ceatox-PE), which is located in Recife in northeast Brazil and works on a 24h schedule, accepting cases through a toll-free number or in-person assistance

Summary

Introduction

Envenomation by scorpion stings is a major public health problem in numerous tropical countries because of its frequent incidence and potential severity. 1,900 species of scorpions are known in the world, and at least 130 of these have been described in Brazil. Methods: This work reports on 3 child deaths caused by Tityus stigmurus stings and characterizes epidemiological and clinical surveys on pediatric cases of scorpionism recorded in the Centro de Assistência Toxicológica de Pernambuco (Ceatox-PE). Among more than 130 scorpion species described in Brazil[8], at least 11 harm humans, the species Tityus serrulatus Lutz & Mello, 1922), T. bahiensis (Perty, 1833), T. stigmurus (Thorell 1876) and T. obscurus (Lourenço, 2008), which are responsible for serious envenomation or death, in children[9]. Differences in the severity of scorpion poisoning have been associated worldwide with variations in the venom composition, the amount of venom inoculated, the individual body mass, the sensitivity of the injured patient to the poison and the time elapsed between the sting and administration of the antidote[14,15]

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