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Venom from Spiders Collected in Southeastern and Northeastern Brazilian Regions Cause Hemotoxic Effects on Human Blood Components.
Toxins (Basel)
December 2024
Molecular Toxinology Lab, Research and Development Department, Ezequiel Dias Foundation-FUNED, Belo Horizonte 30510-010, MG, Brazil.
Spiders of the genus represent a public health problem in Brazil due to the severity of the cutaneous and systemic effects that may result from their bite. In the systemic form of loxoscelism, hemolytic anemia, thrombocytopenia, and disseminated intravascular coagulation can occur. Despite the seriousness of accidents, the venom of some species has not yet been properly characterized considering these hemotoxic effects, such as that of , , and .
View Article and Find Full Text PDFBlack Widow Spider Exposures: A Retrospective Review of the National Poison Data System 2012-2022.
Wilderness Environ Med
December 2024
Division of Medical Toxicology, Department of Emergency Medicine, University of Virginia School of Medicine, Charlottesville, VA.
Introduction: The black widow spider, , stands out as one of the most medically significant arachnids due to its extensive geographic distribution in the United States and its ability to produce a potent neurotoxin, α-latrotoxin. This study aimed to describe the epidemiology of black widow spider exposures by month of exposure, geographic distribution, demographics, symptoms, treatment, and health system resource utilization between 2012 and 2022.
Methods: This was a retrospective observational study using the US National Poison Data System, the data warehouse of the 55 US poison centers.
The poison ivy does not normally occur in Slovakia, like in the Czech Republic, but it can be introduced. The venom of the black widow spider is an effective weapon for capturing prey. It is a mixture of various active substances containing a protein neurotoxin called α-latrotoxin (α-LTX).
View Article and Find Full Text PDFSurgical Management of Acute Forearm Compartment Syndrome Due to Suspected Edematous Cutaneous Loxoscelism.
Am J Case Rep
November 2024
Department of General Surgery and Endoscopy, General Hospital Dra Matilde Petra Montoya Lafragua, Institute of Security and Social Services of State Workers (ISSSTE), Mexico City, Mexico.
BACKGROUND Compartment syndrome of the forearm has been associated with a variety of etiologies, including fractures, snake bites, complications of certain infections, and, very rarely, spider bites. Loxoscelism is the venom-related clinical manifestation of the bite of spiders of the genus Loxosceles, also called brown or fiddler (violinist) spiders. It manifests locally/regionally with pain, erythema, and edema, with subsequent necrotic plaque formation at the site of the bite.
View Article and Find Full Text PDFEfficacy of oxygen-ozone therapy against the pro-necrotic action of Loxosceles rufescens toxic bite.
Int Immunopharmacol
December 2024
Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Italy, strada Le Grazie 9, 37134 Verona, Italy. Electronic address:
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