An Epidemiological Study of Snake Envenomation in a Tertiary Care Hospital of North India
Keywords:: Snake bite; envenomation; anti-snake venom (ASV); venomous snakes; neurotoxic; hemotoxic
Purpose: To study the epidemiological profile, clinical features, complications, and outcome of snake bite
cases in a tertiary care teaching hospital in north India.
Materials and Methods: A prospective cohort study of snake bites was carried out from June 2012 to
October 2013. Data was collected regarding the socio-demographic profile, clinical features, complications,
management and the outcome. The ICU LOS and the associated mortality were taken as the measures of
Results: Out of the total 88, majority of the victims were rural men in the age group of 21-30 years. More
than 90% of incidents were reported during the monsoon season. Neuroparalysis was present in 92% of
patients. The mean bite to hospital time was 5.66 ± 1.78 hours. All patients had received polyvalent ASV
with a mean dose of 20.85 ± 5.73 vials. 61.36% patients required ventilatory support with mean duration of
5.22 ± 7.69 days. The ICU LOS was observed to be 4.83 ± 6.96 days and associated mortality rate was 6.8%.
Conclusion: There is urgent need to create awareness amongst the vulnerable population. To get a real
picture of the burden, information need to be collected from community based surveys along with the
peripheral primary healthcare centers
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