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Year : 2020  |  Volume : 9  |  Issue : 2  |  Page : 130-135

A retrospective study on snakebite and its outcome from a referral-cum-teaching hospital of Kolkata, India

1 Department of General Medicine, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India
2 Department of Pharmacology, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India
3 Department of Anaesthesiology, Coochbehar Government Medical College and Hospital, Coochbehar, West Bengal, India
4 Department of Statistics, Indian Institute of Social Welfare and Business Management, Kolkata, West Bengal, India
5 Department of Internal Medicine, Institute of Postgraduate Medical Education and Research, Kolkata, West Bengal, India

Correspondence Address:
Somnath Maity
Department of Pharmacology, College of Medicine and Sagore Dutta Hospital, 578 B.T. Road, Kamarhati, Kolkata - 700 058, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjhs.sjhs_81_20

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Background: Snakebite-related fatality is among the highest in West Bengal and such patients display variety of clinical features. Precious time is also lost during the transport to health-care centers. Aim: The study was undertaken to find out the incidences and mortality associated with different snakebites and to compare the clinical features between the survivor and nonsurvivors. Materials and Methods: The data were derived from 286 indoor case records of snakebites from a referral hospital of Kolkata during January 2018 to September 2019. Patients' demographic details, exact bite history with subsequent management, clinical profile, and final outcome were compiled for analysis. Student's t-test and Fisher's exact test were performed to find out statistical significance. Results: The mean age of the patients was 28.44 ± 16.92 years and 69.23% were male. Overall, 67.13% of patients required hemodialysis and 13.63% ultimately died. Russell's viper caused the most number of bites (58.04%) and highest mortality (15.66%). Nonsurvivors had significantly higher levels of creatinine, urea, total count, total bilirubin, and prothrombin time and significantly low hemoglobin and platelet counts than that of the survivors. Bite-to-hospital time was also significantly prolonged among nonsurvivors (9.08 ± 9.68 h versus 4.64 ± 5.58 h; P = 0.0001). The highest (29.17%) mortality was observed among those who reported after 12 h of bite. Conclusion: Maximum snakebite-related mortalities were due to Russell's vipers in the current study. Patients with prolonged bite-to-hospital time were most vulnerable. Sepsis, coagulopathy, and acute kidney injury were significantly higher among the nonsurvivors.

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