Epidemiology of venomous and semi‑venomous snakebites (Ophidia: Viperidae, Colubridae) in the Kashan city of the Isfahan province in Central Iran
Rouhullah Dehghani, Omid Mehrpour, Morteza Panjeh Shahi, Mehrdad Jazayeri, Parissa Karrari, Dan Keyler, Nasim Zamani

Abstract


Background: Information on the epidemiology of venomous snake species responsible for envenomation to humans in Iran has not been well documented. In the Kashan city, venomous snakebite remains a recurring medical problem. Information providing the correct identification of snake species responsible for envenomation in this geographic region would be useful to regional medicalclinics and personnel for the effective and optimal management of the patients. Materials and Methods: In this cross‑sectional study, all patient data was collected from Kashan city and its suburbs. The specific data relating to the taxonomic identification of
snakes responsible for envenomation were evaluated. A general approach to the diagnosis and management of patients was alsoprovided. Snakes responsible for bites were transported to a laboratory, where their taxonomic classification was confirmed based on key anatomical features and morphological characteristics. Results: A total of 46 snakes were examined. Of these, 37 (80%) were non‑venomous species, and 9 (20%) were identified as venomous. Seven of the nine venomous snake species (78%) were of the family Viperidae, and two specimens (22%) were in the family Colubridae. Specifically, the viperid species were Macrovipera lebetina obtusa,Pseudocerastes persicus, Pseudocerastes fieldi, and Echis carinatus. The two colubrid species were Malpolon monspessulanus insignitus and Psammophis schkari. Conclusion: Five different species of venomous snakes responsible for envenomation in the Kashan city region were confirmed. The viper, P. fieldi, was reported for the first time in the central part of Iran.

Key words: Epidemiology, Iran, Kashan city, snake, snakebite

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