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VOLUME 26 , ISSUE 12 ( December, 2022 ) > List of Articles

Original Article

Snake Venom-specific Phospholipase A2: A Diagnostic Marker for the Management of Snakebite Cases

Ram S Kaulgud, Tousif Hasan, Gulamnabi L Vanti, S Veeresh, Amruta P Uppar, Mahantesh M Kurjogi

Keywords : Antivenom, Enzyme, Snake bite, Venom, Venom-specific phospholipase A2

Citation Information : Kaulgud RS, Hasan T, Vanti GL, Veeresh S, Uppar AP, Kurjogi MM. Snake Venom-specific Phospholipase A2: A Diagnostic Marker for the Management of Snakebite Cases. Indian J Crit Care Med 2022; 26 (12):1259-1266.

DOI: 10.5005/jp-journals-10071-24362

License: CC BY-NC 4.0

Published Online: 08-12-2022

Copyright Statement:  Copyright © 2022; The Author(s).


Abstract

Background: Snake bites are a common cause of morbidity and mortality, especially in tropical countries. Snake bites in any community are managed based on the clinical features and intravenous administration of antisnake venom (ASV). The administration of ASV is either deficient or given in excess based on clinical decisions and whole blood clotting test results. The present study is designed to analyze the level of snake venom component in the blood of snake bite in association with the clinical features. Patients and methods: Blood samples were collected from the patients admitted to Karnataka Institute of Medical (KIMS) hospital with a history of snakebite considering the inclusion criteria. Serum was collected from the blood of snakebite patients before and after ASV and used to assess the level of venom-specific phospholipase A2 (PLA2) enzyme using the enzyme-linked immunosorbent assay (ELISA) method. Results: Quantitative ELISA results revealed that the snake venom-specific PLA2 in the victim's blood was in the range of 0.3–1.27 mg/mL before the administration of ASV. However, the concentration of PLA2 after 24 hours of ASV administration was decreased in most of the patients. Further, it was observed that envenomation complications were directly proportional to the amount of snake venom-specific PLA2 found in the blood of the snakebite patient. Conclusions: The study concludes that snake venom-specific PLA2 in the blood of snakebite patients could be used as a reliable venom marker, which helps in determination of appropriate ASV dosage in snakebite patients.

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