Background: Robotic surgery has gained popularity over the past two decades due to the benefits related to smaller surgical incisions, enhanced technical dexterity and better intraoperative visualization. We present the Yale experience of the first two hundred totally endoscopic, robotic-assisted mitral valve repair procedures for the treatment of degenerative mitral regurgitation.Methods: We performed a retrospective cohort study of patients undergoing totally endoscopic, roboticassisted isolated or concomitant mitral valve repair for degenerative mitral regurgitation at Yale-New Haven Hospital from October 2018 to April 2022. Mitral valve repair procedures for rheumatic or secondary functional mitral regurgitation and planned robotic-assisted mitral valve replacement cases were excluded.Results: Two hundred consecutive procedures were performed. The median age was 65 years (interquartile range, 58-73 years). Six patients (3.0%) had a history of mediastinal radiation, four patients (2.0%) had previous cardiac surgery, and one patient (0.5%) had cardiac dextroversion. Median cardiopulmonary bypass and aortic cross-clamp times were 122 and 79 minutes, respectively. Femoral vessel cannulation was performed percutaneously in 57 (28.5%) patients with no major access-site related complication. Aortic cross-clamping was performed with the endoaortic balloon occlusion device in 151 (75.5%) patients. No conversions to sternotomy occurred. Satisfactory repair was achieved in 100% of cases, with 184 (92.0%) and 16 (8.0%) of patients having trace/none or mild residual mitral regurgitation, respectively. Forty-two patients (21.0%) underwent concomitant Cox-maze procedure and 25 patients (12.5%) underwent concomitant tricuspid valve repair. Thirty-day mortality rate was 0.5%, with an observed-to-expected ratio of 0.53. Two patients (1.0%) underwent re-exploration for bleeding, one had early postoperative stroke (0.5%), five developed pneumothorax (2.5%) and two required dialysis for acute renal failure (1.0%). The median length of hospital stay was four days.Conclusions: Excellent short-term outcomes can be achieved in experienced centers for the treatment of degenerative mitral regurgitation with a totally endoscopic, robotic-assisted approach.
Totally endoscopic, robotic-assisted cardiac surgery has been increasingly utilized for valvular surgery. Peripheral cannulation with endoaortic balloon occlusion offers a safe approach for initiation of cardiopulmonary bypass during such procedures. We present a step-by-step demonstration of unilateral percutaneous femoral cannulation, endoaortic balloon positioning, and decannulation in a patient undergoing totally endoscopic, robotic-assisted mitral valve repair.
Papillary fibroelastoma is a rare, benign tumor that affects males more frequently than females and that tends to be diagnosed during the fifth or sixth decade of life. It tends to arise on cardiac valves, with the aortic valve being the most frequent location followed by the mitral valve, the tricuspid valve, and the pulmonary valve. We present the case of a robotic-assisted, totally endoscopic excision of a mitral valve papillary fibroelastoma.
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