Key result
Human metapneumovirus infection is linked to severe acute myocarditis that resolves with timely treatment.
Why the study?
Human metapneumovirus is a rare causative agent of viral myocarditis with associated cardiac complications, and insight into its disease progression was needed.
Case Report (n=2)
No
Human metapneumovirus is a rare but potential cause of severe acute myocarditis in older adults that can be successfully managed with timely supportive and heart failure therapies.
May warrant testing for human metapneumovirus in unexplained myocarditis; leaves open incidence and optimal management.
Among viral myocarditis, human metapneumovirus (hMPV) is a rare causative agent with associated cardiac complications. This report provides insight into the disease progression and sheds light on reported cases from the literature. We present the clinical courses of two patients, aged 68 and 58, who developed myocarditis secondary to hMPV infection. Despite the typical severity associated with viral myocarditis in older populations, both patients experienced significant improvement in their condition and ultimately survived. This report highlights the necessity of recognizing hMPV as a potential cause of myocarditis, particularly in older adults presenting with simultaneous respiratory and cardiac symptoms. The recovery and survival of these patients underscore the critical need for awareness and timely treatment strategies to manage this potentially severe condition.
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Hennawi et al. (2024) conducted a case report in Acute myocarditis (n=2). Human metapneumovirus (hMPV) infection was evaluated on Clinical recovery and survival. Human metapneumovirus infection can cause severe acute myocarditis in older adults, though both patients in this series experienced significant clinical recovery and survived with timely treatment.
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