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The Journal of Cardiovascular Surgery 2021 April;62(2):162-8

DOI: 10.23736/S0021-9509.20.11508-8


lingua: Inglese

Surgical effect and long-term clinical outcomes of robotic mitral valve replacement: 10-year follow-up study

Haizhi ZHAO 1, 2, Changqing GAO 1, 3, Ming YANG 1, Yao WANG 1, Wenbin KANG 1, Rong WANG 1 , Huajun ZHANG 1, 3

1 Department of Cardiovascular Surgery, PLA General Hospital, Beijing, China; 2 Department of Cardiothoracic Surgery, Heart Center, University of Cologne, Cologne, Germany; 3 Institute of Cardiac Surgery, PLA General Hospital, Beijing, China

BACKGROUND: To assess the safety and effectiveness, clinical experience with totally robotic mitral valve replacement (TE-MVR) for treating valvular heart disease was summarized and analyzed, and patients’ recovery conditions were followed-up.
METHODS: The clinical data of 47 patients who received TE-MVR in our hospital between October 2008 and December 2015 were retrospectively analyzed. Among the patients, there are 26 men and 21 women. The mean age was 47.53±10.80 years. We followed up the transesophageal echocardiography (TTE) data of post-discharge patients and analyzed the operation results to determine the surgical effects of TE-MVR. The surgeries were mainly performed with the da Vinci Si robotic surgical system.
RESULTS: Thirty-five mechanical valves and twelve bioprosthetic valves were implanted. The cardiopulmonary bypass and aortic cross-clamping times were 122.02±25.45 min and 85.68±20.70 min, respectively. There was no operative mortality. The perioperative complication could only be found in one case, which was pleural effusion. All the TTE results were satisfying before discharge. No paravalvular leakage or prosthetic valve dysfunction was detected. All 47 patients were discharged successfully. During the long-term follow-up (28-110 months), 42 patients were followed-up (89.4%). Most of their heart function was NYHA class I and II. The postoperative TTE showed that the left atrial diameter and left ventricle diameter were decreased (P<0.01).
CONCLUSIONS: TE-MVR is reliable and effective, and the postoperative follow-up results revealed good heart function. Patients will obtain benefits from TE-MVR, such as small trauma and rapid recovery. Thus, it is a good minimally-invasive surgery of choice.

KEY WORDS: Minimally invasive surgical procedures; Robotics; Surgery

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