Key result
Topical epinephrine during bronchoscopy linked to stress-induced cardiomyopathy in two fully recovered patients.
Case Report (n=2)
Flexible bronchoscopy can rarely trigger stress-induced cardiomyopathy, which mimics acute myocardial infarction but recovers with conservative management.
Alerts clinicians to rare stress cardiomyopathy risk after topical epinephrine in bronchoscopy; leaves open causal association pending prospective studies.
Flexible bronchoscopy is a safe medical procedure, but the incidence rate of major complications is 0.08-0.3%.Here, we report 2 cases of stress induced cardiomyopathy, which developed immediately after flexible bronchoscopy.Stress related cardiomyopathy was confirmed by EKG, echocardiography, and coronary angiogram.The cardiac functions of these patients were fully recovered with conservative treatment.Although, the pathogenesis of stress related cardiomyopathy is not well understood, post-bronchoscopy tachycardia or arrhythmia is thought to be associated with hypoxemia or catecholamine excess.Because the clinical presentation is quite similar to acute myocardial infarction, discrete evaluations are required for appropriate treatment.
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Shin et al. (2013) conducted a case report in Stress-induced cardiomyopathy (n=2). Topical epinephrine during flexible bronchoscopy was evaluated on Development of stress-induced cardiomyopathy. Topical epinephrine application during flexible bronchoscopy was associated with the development of stress-induced cardiomyopathy in two female patients, both of whom fully recovered with conservative treatment.
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