Bites and Stings: Exotic Causes of Stroke in Asia
Abstract
Background: Many unusual and fascinating causes of stroke are seen in Asia. Although rarely encountered in the Western world, such cases are seen not so infrequently by neurologists, physicians, and other healthcare workers in Asian countries. This article highlights some of these intriguing causes of stroke such as snakebite, scorpion stings, and bee and wasp stings.
Summary: Snakebite is a neglected tropical disease of global importance affecting over 5 million people each year, and scorpion stings and bee and wasp stings affect over a million people worldwide every year. Strokes due to these uncommon causes predominantly affect young males in their most productive years, and many victims die or remain with residual disability with significant socioeconomic consequences to the affected families and society. Both ischaemic and haemorrhagic strokes are seen, with ischaemic strokes being more common. Many unanswered questions remain regarding the pathophysiological mechanisms, clinical spectrum, and the natural history of stroke due to these causes. Antivenom is effective in snake envenoming, antivenom and prazosin are effective in scorpion envenoming, and treatment of anaphylaxis and allergy is recommended in systemic reactions due to bee or wasp stings. However, there are no treatment guidelines or expert recommendations to guide the management of stroke in these patients, and there are no data on the safety and efficacy of stroke-specific treatments such as antiplatelet…
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