ArticleAME case reports2024
An uncommon combination: a case report of herpes simplex virus encephalitis induced takotsubo cardiomyopathy.
Article in AME case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Takotsubo cardiomyopathy, also known as stress-induced cardiomyopathy or broken-heart syndrome, is a non-ischemic cardiomyopathy that presents as a transient regional systolic dysfunction of the left ventricle with minimal increase in troponins. The pathogenesis of takotsubo cardiomyopathy is not well understood. Some possible theories include increased catecholamines causing sympathetic overdrive, microvascular dysfunction, coronary spasm, or inflammation. The association of herpes simplex virus (HSV) encephalitis with takotsubo cardiomyopathy has rarely been reported with only two cases being described in literature. Case Description: We present a patient that came in with altered mental status who was found to have herpes simplex virus 1 (HSV-1) encephalitis. During his hospital stay, the patient had developed shortness of breath on hospital day 3. The patient's troponin was found to be mildly elevated and echocardiogram revealed takotsubo cardiomyopathy with left ventricle ejection fraction (LVEF) of 20% and severe hypokinesis of all left ventricle segments except the basal segments. His echocardiogram nine months prior revealed a LVEF 60-65%. He was treated with intravenous (IV) acyclovir and repeat echocardiogram three weeks following hospitalization revealed resolution of his takotsubo cardiomyopathy. Conclusions: Physicians should keep HSV encephalitis induced takotsubo cardiomyopathy in their differential diagnosis when patients present with HSV encephalitis along with shortness of breath and pulmonary vascular congestion on imaging.
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