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    Autonomic dysfunction is an underrecognized complication of acute ischemic stroke. The cortical regulation of sympathetic activation is predominantly lateralized to the right hemisphere and parasympathetic activation to the left hemisphere. However, prior evidence is lacking regarding ischemic lesions in unilateral hemisphere that concomitantly cause sympathetic and parasympathetic dysfunction. We present the case of a 73-year-old woman with acute ischemic stroke in the left middle cerebral artery territory, whose neurological symptoms improved significantly after thrombolysis and endovascular thrombectomy. She presented residual scattered small infarctions involving the left insula and lateral parietal cortex. However, she experienced obvious autonomic symptoms that included orthostatic hypotension, which is indicative of sympathetic dysfunction, and micturition difficulty with exaggerated reflex tachycardia, indicative of parasympathetic dysfunction. The sympathetic and parasympathetic functions sequentially resolved on days 10 and 20 after stroke onset, respectively. The case revealed insight into the phenomenon and recovery course of concurrent sympathetic and parasympathetic dysfunction associated with ischemic lesions in the left hemisphere.

    Citation

    Ting-Yu Chang, Pin-Shiuan Chen, Shin-Joe Yeh, Sung-Chun Tang, Li-Kai Tsai, Jiann-Shing Jeng. Concomitant Sympathetic and Parasympathetic Dysfunction after Acute Ischemic Stroke. Acta neurologica Taiwanica. 2022 Dec 30;31(4):174-178

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    PMID: 35470411

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