The journal of venomous animals and toxins including tropical diseases · 2026
Clinical characteristics and long-term disabilities in children following Bothrops atrox envenomation in Manaus, western Brazilian Amazon.
СтатьяНазвание и аннотация: Перевод в очереди
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Oliveira Débora Nery, Cordeiro Jady Shayenne Mota, Saraiva Andrea Gabriela Mota, da Gama Hiran Sátiro Souza, Castro Daniel Barros, Silva-Neto Alexandre Vilhena, Sachett André, Satim Marco Aurélio, Murta Felipe, Monteiro Wuelton Marcelo, Sachett Jacqueline de Almeida Gonçalves
Аннотация
BACKGROUND: In the Brazilian Amazon, most snakebites are caused by Bothrops atrox. Although pediatric cases are less frequent, children are more vulnerable to severe complications and long-term disabilities. This study aims to describe the clinical profile of B. atrox envenomation in children treated at a tertiary hospital in Manaus, in Western Brazilian Amazon, and to characterize the resulting long-term musculoskeletal impairments in a subgroup of these patients.
METHODS: We retrospectively analyzed sociodemographic and clinical data from patients up to 12 years and 11 months of age treated between January 2010 and December 2023. A total of 258 children who were victims of B. atrox envenoming were eligible; however, a subgroup of 27 children underwent in-person musculoskeletal evaluations starting three months after hospital discharge.
RESULTS: In the subgroup of children evaluated, the majority were male (63%), were aged over ten years (59.3%), and were from rural areas (96.3%). Over half (51.8%) received medical care within six hours after the bite. The lower limbs were most frequently affected (96.3%). Common local symptoms included pain (100%), edema (96.3%), bleeding (37%), and bruising (29.6%). Secondary infections occurred in 18.5% of cases. Most envenomations were classified as moderate in severity (44.4%). In this subgroup, long-term disabilities were identified in 21 children (77.7%), who presented primarily with intermittent chronic pain (55.5%). Physical examination revealed scars (59.3%), edema (22.2%), and deformities (3.7%). Sensory alterations were noted in tactile (11.1%), pain (25.9%), thermal (22.2%), and vibratory (29.6%) sensitivity. Range of motion was impaired in 37% of cases, and one child exhibited abnormal posture and reflexes.
CONCLUSIONS: This study highlights a broad spectrum of persistent musculoskeletal sequelae following Bothrops envenomation in children. Our findings underscore the urgent need for comprehensive care, follow-up, and rehabilitation programs for pediatric snakebite victims in the Amazon region.
METHODS: We retrospectively analyzed sociodemographic and clinical data from patients up to 12 years and 11 months of age treated between January 2010 and December 2023. A total of 258 children who were victims of B. atrox envenoming were eligible; however, a subgroup of 27 children underwent in-person musculoskeletal evaluations starting three months after hospital discharge.
RESULTS: In the subgroup of children evaluated, the majority were male (63%), were aged over ten years (59.3%), and were from rural areas (96.3%). Over half (51.8%) received medical care within six hours after the bite. The lower limbs were most frequently affected (96.3%). Common local symptoms included pain (100%), edema (96.3%), bleeding (37%), and bruising (29.6%). Secondary infections occurred in 18.5% of cases. Most envenomations were classified as moderate in severity (44.4%). In this subgroup, long-term disabilities were identified in 21 children (77.7%), who presented primarily with intermittent chronic pain (55.5%). Physical examination revealed scars (59.3%), edema (22.2%), and deformities (3.7%). Sensory alterations were noted in tactile (11.1%), pain (25.9%), thermal (22.2%), and vibratory (29.6%) sensitivity. Range of motion was impaired in 37% of cases, and one child exhibited abnormal posture and reflexes.
CONCLUSIONS: This study highlights a broad spectrum of persistent musculoskeletal sequelae following Bothrops envenomation in children. Our findings underscore the urgent need for comprehensive care, follow-up, and rehabilitation programs for pediatric snakebite victims in the Amazon region.