Clinical importance of the Mandalay spitting cobra (Naja mandalayensis) in Upper Myanmar – Bites, envenoming and ophthalmia
2020
Sai-Sein-Lin-Oo, | Myat-Thet-Nwe, | Khin-Maung-Gyi, | Than-Aye, | Mi-Mi-Khine, | Myat-Myat-Thein, | Myo-Thant, | Pyae-Phyo-Aung, | Oakkar-Kyaw-Khant, | Aye-Zarchi-San, | Du-Wun-Moe, | Htay-Aung, | O'Shea, Mark | Mahmood, Mohammad Afzal | Peh, Chen Au | White, Julian | Warrell, D. A.
Examination of 18 cobras brought to three hospitals in the Mandalay Region by patients bitten or spat at by them distinguished 3 monocled cobras (Naja kaouthia) and 15 Mandalay spitting cobras (N. mandalayensis), based on their morphological characteristics. We confirm and extend the known distributions and habitats of both N. mandalayensis and N. kaouthia in Upper Myanmar. Clinical symptoms of local and systemic envenoming by N. mandalayensis are described for the first time. These included local swelling, blistering and necrosis and life-threatening systemic neurotoxicity. More information is needed about the clinical phenotype and management of bites by N. mandalayensis, the commoner of the two cobras in Upper Myanmar. Since the current cobra antivenom manufactured in Myanmar has lower pre-clinical efficacy against N. mandalayensis than N. kaouthia, there is a need for more specific antivenom therapy.
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