Abstract
Robotic mitral valve repair (RMVR) is less invasive and potentially more precise. However, RMVR lengthens both cardiopulmonary bypass and arrested heart times. In our initial experience, only posterior leaflet repair and/or annuloplasty were performed. With increasing experience, we have performed more complex bileaflet RMVR. A 50-year-old man presented with severe mitral regurgitation. Transesophageal echocardiography (TEE) demonstrated a complex bileaflet prolapse and preserved left ventricular function. Through a 4 cm working port and with the da Vinci Robotic Surgical System (Intuitive Surgical, Sunnyvale, CA) RMVR was performed. Details of the technique and patient's hospital course are described. The repair comprised closure of clefts between A3 and P3, quadrangular resection of P2, transfer of multiple chords from P2 to A2/A3 and a #38 Cosgrove-Edwards (Edwards Lifesciences, Irvine, CA) band annuloplasty. Nitinol U-Clips (Medtronic, Minneapolis, MN) were used to complete the annuloplasty. Postoperative TEE showed no mitral regurgitation. The patient was discharged on the third postoperative day. Cardiopulmonary bypass and arrested heart times were 3 hours and 29 minutes and 2 hours and 59 minutes, respectively. Complex bileaflet repair of mitral valve with Barlow's disease can be successfully performed with the da Vinci Robotic Surgical System. Long-term follow-up is needed to assess the durability of repair.
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