Robotic Mitral Valve Replacement for Severe Rheumatic Mitral Disease: Perioperative Technique, Outcomes, and Early Results

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Abstract

Objective

We report a case series of robotic mitral valve replacement in patients with severe rheumatic mitral disease.

Methods

From March 2010 to June 2013, a total of 63 patients underwent robotic cardiac procedures. Robotic procedures were performed using the da Vinci Si surgical systems (Intuitive Surgical, Inc, Sunnyvale, CA USA). Eighteen of the patients (28.5%) underwent robotic mitral valve replacement. Rheumatic disease was the underlying pathology in all patients. The mean (SD) follow-up period was 18 (10) months.

Results

The mean (SD) age and EuroSCORE of the patients were 51.2 (11) years and 4.1% (4%), respectively. Seven patients (38.8%) had an additional cardiac procedure. No operative and hospital mortality were observed. The mean (SD) cross-clamp time and cardiopulmonary bypass time were 116 (30) and 178 (54) minutes, the mean (SD) drainage was 430 (350) mL, the mean intubation time was 9.4 (7) hours, the rate of patients extubated within 6 hours or less was 94.4%, and the mean (SD) intensive care unit stay time was 30 (12) hours. Sixteen of the patients (88.8%) were discharged from the intensive care unit within the first 24 hours postoperatively. During the intensive care unit stay, one patient (5.5%) needed inotropic support. There was one early reoperation for bleeding (5.5%), one (5.5%) intensive care unit readmission, and one (5.5%) hospital readmission observed. During the midterm follow-up, there was no mortality and no need for reoperation or reintervention.

Conclusions

Robotic mitral valve replacement for severe rheumatic mitral disease is technically feasible. Early results are encouraging. Patient selection criteria for robotic mitral valve surgery may be expanded to include valve replacements.

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