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Combined therapeutic approach with performing mitral valve repair may be necessitated for the treatment of idiopathic hypertrophic subaortic stenosis (IHSS) with systolic anterior motion. This report includes operative technique for combined robotic septal myectomy and mitral valve repair. A 45-year-old man with IHSS was admitted to our center for surgical intervention. The transthoracic echocardiography showed typical asymmetric ventricular hypertrophy. Left ventricle posterior wall thickness was 11 mm, and interventricular septum thickness was 21 mm. Mitral valve leaflets were found to be elongated. Mild-to-severe mitral regurgitation was detected with eccentric mitral jet. Aortic peak gradient was 128 mm Hg. Robotic mitral repair and septal myectomy through left atrial exposure was performed. The anterior leaflet was detached, and the septal muscle in a mass of 1 × 0.7 × 0.5 cm was resected. Next, the anterior leaflet was reattached with continuous suture. The plication of the posterior leaflet with transverse incision was performed to diminish the length of posterior leaflet. After the magic suture for posteromedial commissure was performed, a 34 Medtronic Future ring was implanted for mitral annuloplasty. Postoperative course was uneventful. The patient was discharged on the sixth postoperative day. Combined robotic septal myectomy and mitral valve repair for IHSS with systolic anterior motion may be feasible.

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