Reports on the treatment of nonobstructive hypertrophic cardiomyopathy (HCM) and severe mitral valve regurgitation (MR) with transcatheter edge‐to‐edge repair (TEER) are rare. Herein, we present the case of a 68‐year‐old Chinese man with nonobstructive HCM admitted to our hospital with dyspnoea [New York Heart Association (NYHA) functional Class IV]. Transthoracic echocardiography indicated severe MR in addition to asymmetric hypertrophy of the left ventricle. Despite administering maximal medical therapy for heart failure, the symptoms were not alleviated; because of the high risk of open surgery, TEER was performed for MR. After 4 months of follow‐up, the patient showed a significant improvement in symptoms. Herein, we also discuss and review the pathophysiology and treatment strategies for HCM patients with heart failure.

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