Sinus of Valsalva aneurysm protruding into the mitral anterior leaflet causing dyspnea: A CARE-compliant case report.

Introduction: Sinus of Valsalva aneurysm (SVA) protruding into the mitral anterior leaflet is an extremely rare clinical condition; herein, we present a case of unruptured noncoronary SVA protruding into the mitral anterior leaflet. Patient's concerns: A 46-year-old male was referred to hospital for exertional dyspnea. Diagnosis: Transthoracic echocardiography (TTE) and coronary computed tomography angiography (CTA) suggested a noncoronary SVA protruding into the mitral anterior leaflet, causing mitral regurgitation and aortic insufficiency. Interventions: The aneurysm was resected and the aortic and mitral valves were replaced with mechanical valves via a transaortic approach. Outcomes: Postoperative recovery was uneventful. Conclusions: A rare noncoronary SVA protruding into the mitral anterior leaflet can be diagnosed via TTE and CTA. Transaortic mitral surgery is feasible in patients with a dilated aortic annulus ring and mitral valve diseases