Mice experimentally envenomed with Hypnale hypnale venom (1× and 1.5×LD₅₀) developed acute kidney injury (AKI) principally characterized by raised blood urea and creatinine. Prolonged blood clotting time and hemorrhage in lungs implied bleeding tendency. Pallor noted in most renal cortices was suggestive of renal ischemia secondary to consumptive coagulopathy. Intravenous infusion of Hemato polyvalent antivenom following experimental envenoming effectively prevented death and AKI in all mice, supporting its potential therapeutic use in envenoming cases.
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http://dx.doi.org/10.1016/j.toxicon.2012.08.012 | DOI Listing |
Trop Med Health
January 2025
Medical Unit, National Hospital of Sri Lanka, Colombo, Sri Lanka.
Background: Hump-nosed viper (Hypnale species) bites are an important cause of mortality and morbidity in southern India and Sri Lanka, accounting for 27 and 77% of venomous snake bites, respectively. Previously, we knew them to be moderately venomous snakes, primarily causing local envenomation. However, recent reports have indicated severe systemic envenomation incidents, which include hemostatic dysfunction, microangiopathic hemolysis, kidney injury, myocardial toxicity, and even death.
View Article and Find Full Text PDFWilderness Environ Med
November 2024
Department of Emergency Medicine, Jubilee Mission Medical College and Research Institute, Thrissur, Kerala, India.
Toxicon
August 2024
South Asian Clinical Toxicology Research Collaboration, Faculty of Medicine, University of Peradeniya, Sri Lanka; Clinical Toxicology Research Group, University of Newcastle, Callaghan, NSW, 2308, Australia. Electronic address:
We aimed to assess the unresolved health issues experienced by a cohort of snakebite survivors and their health-seeking behaviours during the first three months after the snakebite. Patients from the Anuradhapura snakebite cohort admitted to the Teaching Hospital Anuradhapura, Sri Lanka, from July 2021 to June 2022 were recruited. Patients were interviewed over the telephone three weeks and three months post-bite to collect data on unresolved health problems post-discharge, patient's adherence to the review plan, newly experienced health issues, health-seeking behaviours and the effect on daily routine.
View Article and Find Full Text PDFCells
June 2024
Department of Studies in Biochemistry, University of Mysore, Manasagangotri, Mysuru 570006, Karnataka, India.
Envenomation by the in the Western Ghats of India (particularly in the Malabar region of Kerala) and the subcontinent island nation of Sri Lanka is known to inflict devastating mortality and morbidity. Currently, bites in India are devoid of anti-venom regimens. A detailed characterization of the venom is essential to stress the need for therapeutic anti-venom.
View Article and Find Full Text PDFWilderness Environ Med
September 2024
Rajarata Tropical Disease Research Group, Department of Parasitology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka.
Snakebites in unusual anatomical locations may lead to life-threatening consequences. Merrem's hump-nosed viper () is a medically important snake in Sri Lanka and India that causes many bites and envenomings. Their bites occur almost exclusively on upper and lower limbs and commonly result in local effects, with some patients developing systemic envenoming.
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