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Albano G, Agnino A, Parrinello M, Roscitano C, Cecconi M, Graniero A, Grazioli V, Peluso L. Early Postoperative Complications of Robotic-assisted Versus Minimally Invasive Mitral Valve Surgery: A Propensity Score-matched Analysis. J Cardiothorac Vasc Anesth 2024; 38:1996-2001. [PMID: 38942684 DOI: 10.1053/j.jvca.2024.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/20/2024] [Accepted: 05/20/2024] [Indexed: 06/30/2024]
Abstract
OBJECTIVE The current work was designed to evaluate whether robotic-assisted mitral valve surgery is associated with a different incidence of early postoperative complications compared with the traditional minimally invasive approach. DESIGN A retrospective monocentric cohort study was conducted. SETTING The study was performed in an academic hospital. PARTICIPANTS A total of 375 patients who underwent standard thoracoscopic minimally invasive mitral valve surgery and robotic-assisted mitral valve surgery between April 2014 and November 2022 were enrolled. INTERVENTION None. MEASUREMENTS AND MAIN RESULTS After adjustment using propensity score analysis, 98 patients from each group were identified. Patients who underwent robotic surgery presented a similar rate of early complications to patients undergoing minimally invasive surgery. Nevertheless, they showed shorter intensive care unit and postoperative hospital stays. Finally, patients undergoing robotic-assisted surgery were more frequently discharged home. CONCLUSIONS This study identified a similar incidence of early complications in robotic-assisted mitral valve surgery compared with minimally invasive mitral valve surgery; conversely, patients receiving robotic-assisted surgery were discharged earlier, and more frequently discharged home.
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Affiliation(s)
- Giovanni Albano
- Department of Anesthesia and Intensive Care, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Alfonso Agnino
- Department of Cardiac Surgery, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Matteo Parrinello
- Department of Anesthesia and Intensive Care, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Claudio Roscitano
- Department of Anesthesia and Intensive Care, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Maurizio Cecconi
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20072, Pieve Emanuele, Milan, Italy; Department of Anesthesia and Intensive Care, IRCCS Humanitas Research Hospital, Via M. Manzoni, 56, 20089, Rozzano, Milan, Italy
| | - Ascanio Graniero
- Department of Cardiac Surgery, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Valentina Grazioli
- Department of Cardiac Surgery, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy
| | - Lorenzo Peluso
- Department of Anesthesia and Intensive Care, Humanitas Gavazzeni, Via M. Gavazzeni, 21, 24125, Bergamo, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20072, Pieve Emanuele, Milan, Italy.
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Tasoudis PT, Caranasos TG, Doulamis IP. Robotic applications for intracardiac and endovascular procedures. Trends Cardiovasc Med 2024; 34:110-117. [PMID: 36273775 DOI: 10.1016/j.tcm.2022.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 10/01/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
The large incisions and long recovery periods that accompany traditional cardiac surgery procedures along with the constant patient demand for minimally invasive procedures have motivated cardiac surgeons to implement the robotic technologies in their armamentarium. The robotic systems have been utilized successfully in various cardiac procedures including atrial septal defect repair, left atrial myxoma resection, MAZE procedure and left ventricular lead placement, yet coronary artery bypass and mitral valve repair still comprise the vast majority of them. This review analyzes the development of the robot-assisted cardiac surgery in recent years, its outcomes, advantages, disadvantages, its patient selection criteria as well as its economic feasibility. Robotic endovascular surgery, albeit its limited applications, is presently considered an attractive alternative to conventional endovascular approaches. The increased flexibility and precision along with the wider range of accessible anatomy provided by the endovascular robotic systems, have increased the pool of patients that can be offered minimally invasive treatment options and have helped to overcome many limitations of the traditional endovascular procedures. With this review we aimed to summarize the applications of the commercially available endovascular robotic devices, as well as the limitations and the future perspectives in the field of endovascular robotic surgery.
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Affiliation(s)
- Panagiotis T Tasoudis
- Division of Cardiothoracic Surgery, Department of Surgery, School of Medicine, University of North Carolina at Chapel Hill Chapel Hill, NC, United States
| | - Thomas G Caranasos
- Division of Cardiothoracic Surgery, Department of Surgery, School of Medicine, University of North Carolina at Chapel Hill Chapel Hill, NC, United States
| | - Ilias P Doulamis
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States.
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Arslanhan G, Baştopçu M, Özcan ZS, Şenay Ş, Koçyiğit M, Güllü AÜ, Akyol A, Alhan C. Concomitant Tricuspid Valve Surgery Is Not Associated With Increased Operative Risk During Robotic Mitral Valve Surgery. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2024; 19:72-79. [PMID: 38344821 DOI: 10.1177/15569845231223853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
OBJECTIVE The aim of this study was to investigate the outcomes of robotic mitral valve surgery with and without concomitant tricuspid valve surgery. METHODS Patients who underwent robotic mitral surgery between March 2010 and September 2022 were included. Patients were grouped according to the presence of concomitant tricuspid interventions. The groups were compared for baseline factors, operative parameters, and early postoperative outcomes. Age- and gender-matched groups were also compared for outcomes. RESULTS The study included 285 robotic mitral surgery patients. There were 59 patients who underwent concomitant tricuspid interventions. In the concomitant tricuspid surgery group, cardiopulmonary bypass time (150.1 vs 128.4 min, P < 0.001) and cross-clamp time (99.2 vs 82.4 min, P < 0.001) were longer. Prolonged intubation was more frequent in the concomitant tricuspid intervention group (5.2% vs 0.5%, P = 0.029). The groups did not differ in terms of mortality, permanent pacemaker (PPM) requirement, or other morbidities. Perioperative outcomes were similar after matched group analysis. CONCLUSIONS Operative mortality and early adverse outcomes did not increase with the addition of tricuspid intervention in our cohort of robotic mitral surgery patients. The robotic approach for mitral disease and coexisting tricuspid disease may offer safe results without an increased risk of postoperative PPM requirement.
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Affiliation(s)
- Gökhan Arslanhan
- Department of Cardiovascular Surgery, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Murat Baştopçu
- Department of Cardiovascular Surgery, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Research and Training Hospital, Istanbul, Turkey
| | - Zeynep Sıla Özcan
- Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Şahin Şenay
- Department of Cardiovascular Surgery, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Muharrem Koçyiğit
- Department of Anesthesiology, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Ahmet Ümit Güllü
- Department of Cardiovascular Surgery, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Ahmet Akyol
- Department of Cardiology, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Cem Alhan
- Department of Cardiovascular Surgery, Acibadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
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Lee ME, Amabile A, LaLonde M, Krane M, Geirsson A, Gruber PJ. Minimally invasive, robotic-assisted approach for mitral valve replacement in a pediatric congenital patient with severe mitral regurgitation. JTCVS Tech 2023; 22:94-95. [PMID: 38152178 PMCID: PMC10750875 DOI: 10.1016/j.xjtc.2023.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/10/2023] [Accepted: 09/16/2023] [Indexed: 12/29/2023] Open
Affiliation(s)
- Madonna E. Lee
- Division of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Conn
| | - Andrea Amabile
- Division of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Conn
| | - Michael LaLonde
- Department of Cardiovascular Surgery, Institute Insure, German Heart Center Munich, Technical University of Munich, Munich, Germany
| | - Markus Krane
- Division of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Conn
- Department of Cardiovascular Surgery, Institute Insure, German Heart Center Munich, Technical University of Munich, Munich, Germany
| | - Arnar Geirsson
- Division of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Conn
| | - Peter J. Gruber
- Division of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Conn
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Cocchieri R, van de Wetering B, Baan J, Driessen A, Riezebos R, van Tuijl S, de Mol B. The evolution of technical prerequisites and local boundary conditions for optimization of mitral valve interventions-Emphasis on skills development and institutional risk performance. Front Cardiovasc Med 2023; 10:1101337. [PMID: 37547244 PMCID: PMC10402900 DOI: 10.3389/fcvm.2023.1101337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/29/2023] [Indexed: 08/08/2023] Open
Abstract
This viewpoint report describes how the evolution of transcatheter mitral valve intervention (TMVI) is influenced by lessons learned from three evolutionary tracks: (1) the development of treatment from mitral valve surgery (MVS) to transcutaneous procedures; (2) the evolution of biomedical engineering for research and development resulting in predictable and safe clinical use; (3) the adaptation to local conditions, impact of transcatheter aortic valve replacement (TAVR) experience and creation of infrastructure for skills development and risk management. Thanks to developments in computer science and biostatistics, an increasing number of reports regarding clinical safety and effectiveness is generated. A full toolbox of techniques, devices and support technology is now available, especially in surgery. There is no doubt that the injury associated with a minimally invasive access reduces perioperative risks, but it may affect the effectiveness of the treatment due to incomplete correction. Based on literature, solutions and performance standards are formulated with an emphasis in technology and positive outcome. Despite references to Heart Team decision making, boundary conditions such as hospital infrastructure, caseload, skills training and perioperative risk management remain underexposed. The role of Biomedical Engineering is exclusively defined by the Research and Development (R&D) cycle including the impact of human factor engineering (HFE). Feasibility studies generate estimations of strengths and safety limitations. Usability testing reveals user friendliness and safety margins of clinical use. Apart from a certification requirement, this information should have an impact on the definition of necessary skills levels and consequent required training. Physicians Preference Testing (PPT) and use of a biosimulator are recommended. The example of the interaction between two Amsterdam heart centers describes the evolution of a professional ecosystem that can facilitate innovation. Adaptation to local conditions in terms of infrastructure, referrals and reimbursement, appears essential for the evolution of a complete mitral valve disease management program. Efficacy of institutional risk management performance (IRMP) and sufficient team skills should be embedded in an appropriate infrastructure that enables scale and offers complete and safe solutions for mitral valve disease. The longstanding evolution of mitral valve therapies is the result of working devices embedded in an ecosystem focused on developing skills and effective risk management actions.
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Affiliation(s)
| | | | - Jan Baan
- Amsterdam University Center, Technical University Eindhoven, Amsterdam, Netherlands
| | - Antoine Driessen
- Amsterdam University Center, Technical University Eindhoven, Amsterdam, Netherlands
| | | | | | - Bas de Mol
- LifeTec Group BV, Eindhoven, Netherlands
- Amsterdam University Center, Technical University Eindhoven, Amsterdam, Netherlands
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Rao A, Tauber K, Szeto WY, Hargrove WC, Atluri P, Acker M, Crawford T, Ibrahim ME. Robotic and endoscopic mitral valve repair for degenerative disease. Ann Cardiothorac Surg 2022; 11:614-621. [PMID: 36483610 PMCID: PMC9723529 DOI: 10.21037/acs-2022-rmvs-28] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/18/2022] [Indexed: 04/08/2024]
Abstract
BACKGROUND Minimally invasive mitral valve repair has been proven to be a safe alternative to open sternotomy and may be accomplished through classic endoscopic and robotic endoscopic approaches. Outcomes across different minimally invasive techniques have been insufficiently described. We compare early and late clinical outcomes across matched patients undergoing robotic endoscopic and classic endoscopic repair. METHODS From 2011 to 2020, 786 patients underwent minimally invasive mitral surgery, from which we were able to generate 124 matched patients (62 patients in each cohort). Clinical results were then compared between the two matched populations. Survival analysis was used to compare freedom from mortality to 10 years among matched classic endoscopic and robotic endoscopic mitral valve repair cohorts and to calculate freedom from moderate or severe mitral insufficiency at latest follow-up. Histograms of cardiopulmonary bypass (CPB) and aortic cross-clamp times were constructed, and mean bypass and cross-clamp times were compared between classic endoscopic and robotic endoscopic cohorts. RESULTS There was no difference in early or late mortality at 10 years in either cohort. Freedom from moderate or severe mitral regurgitation or mitral valve replacement at last echocardiogram was 86.4% vs. 73.5% at 10 years, P=0.97. Patients undergoing robotic endoscopic mitral repair had a significantly longer CPB run when compared to the classic endoscopic cohort, with 148 min of CPB in the robotic endoscopic cohort compared to 133 min in the classic endoscopic group, P=0.03. Overall post-operative length of stay was not statistically significant between the robotic endoscopic and classic endoscopic groups, 6.3±0.5 and 6.0±0.3 days, respectively. No patients in either cohort developed renal failure or wound infection. The classic endoscopic group had a slightly higher risk of prolonged ventilation when compared to the robotic endoscopic group, with three classic endoscopic patients remaining intubated >8 hours post-operatively, compared to a single patient in the robotic endoscopic group. There were no unplanned reoperations in either group. Rates of postoperative stroke were comparable between groups (three in the classic endoscopic cohort, and two in the robotic endoscopic cohort). CONCLUSIONS Index mitral valve surgery via a classic endoscopic approach yields similar clinical outcomes when compared to robotic endoscopic surgery. We demonstrate that both classic endoscopic and robotic endoscopic approaches allow repair of degenerative mitral valves with excellent short- and medium-term outcomes in a tertiary referral center.
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Affiliation(s)
- Akhil Rao
- University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Karissa Tauber
- University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Wilson Y Szeto
- University of Pennsylvania Health System, Philadelphia, PA, USA
| | | | - Pavan Atluri
- University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Michael Acker
- University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Todd Crawford
- University of Pennsylvania Health System, Philadelphia, PA, USA
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Cocchieri R, van de Wetering B, van Tuijl S, Mousavi I, Riezebos R, de Mol B. At the Crossroads of Minimally Invasive Mitral Valve Surgery—Benching Single Hospital Experience to a National Registry: A Plea for Risk Management Technology. J Cardiovasc Dev Dis 2022; 9:jcdd9080261. [PMID: 36005425 PMCID: PMC9410306 DOI: 10.3390/jcdd9080261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/15/2022] [Accepted: 08/09/2022] [Indexed: 11/26/2022] Open
Abstract
Almost 30 years after the first endoscopic mitral valve repair, Minimally Invasive Mitral Valve Surgery (MIMVS) has become the standard at many institutions due to optimal clinical results and fast recovery. The question that arises is can already good results be further improved by an Institutional Risk Management Performance (IRMP) system in decreasing risks in minimally invasive mitral valve surgery (MIMVS)? As of yet, there are no reports on IRMP and learning systems in the literature. (2) Methods: We described and appraised our five-year single institutional experience with MIMVS in isolated valve surgery included in the Netherlands Heart Registry (NHR) and investigated root causes of high-impact complications. (3) Results: The 120-day and 12-month mortality were 1.1% and 1.9%, respectively, compared to the average of 4.3% and 5.3% reported in the NHR. The regurgitation rate was 1.4% compared to 5.2% nationwide. The few high-impact complications appeared not to be preventable. (4) Discussion: In MIMVS, freedom from major and minor complications is a strong indicator of an effective IRMP but remains concealed from physicians and patients, despite its relevance to shared decision making. Innovation adds to the complexity of MIMVS and challenges surgical competence. An IRMP system may detect and control new risks earlier. (5) Conclusion: An IRMP system contributes to an effective reduction of risks, pain and discomfort; provides relevant input for shared decision making; and warrants the safe introduction of new technology. Crossroads conclusions: investment in machine learning and AI for an effective IRMP system is recommended and the roles for commanding and operating surgeons should be considered.
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Affiliation(s)
- Riccardo Cocchieri
- Cardiothoracic Surgeon, OLVG Hospital, 1091 AC Amsterdam, The Netherlands
| | - Bertus van de Wetering
- Biomedical Engineer, LifeTec Group BV, 5611 ZS Eindhoven, The Netherlands
- Correspondence: (B.v.d.W.); (B.d.M.)
| | - Sjoerd van Tuijl
- Biomedical Engineer, LifeTec Group BV, 5611 ZS Eindhoven, The Netherlands
| | - Iman Mousavi
- Cardiothoracic Surgery Resident, OLVG Hospital, 1091 AC Amsterdam, The Netherlands
| | - Robert Riezebos
- Cardiologist, OLVG Hospital, 1091 AC Amsterdam, The Netherlands
| | - Bastian de Mol
- Department of Cardiothoracic Surgery, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
- Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Correspondence: (B.v.d.W.); (B.d.M.)
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Agnino A, Graniero A, Villari N, Roscitano C, Gerometta P, Albano G, Anselmi A. Evaluation of robotic-assisted mitral surgery in a contemporary experience. J Cardiovasc Med (Hagerstown) 2022; 23:399-405. [PMID: 35645031 DOI: 10.2459/jcm.0000000000001319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS To evaluate the safety/effectiveness of a recently established robotic-assisted mitral surgery program. METHODS Cohort study with prospective collection of clinical data of 59 consecutive recipients (May 2019-August 2021) of robotic-assisted (fourth-generation platform, DaVinci X) mitral valve repair for degenerative disease, using a totally endoscopic technique. Patients' selection was based on defined anatomical and clinical criteria. We established a dedicated multidisciplinary protocol to facilitate postoperative fast-tracking, and a systematic in-house clinical and echocardiographic follow-up at 3, 6, and 12 postoperative months. RESULTS All patients (89.8% men, average age 58 ± 12 years) received mitral valve repair; there was no operative mortality, one conversion to sternotomy (1.7%) and one stroke (1.7%). Extubation within the operative theater occurred in 28.8%; average mechanical ventilation time and ICU stay was 2.8 ± 4.1 and 32.5 ± 15.8 h (after exclusion of one outlier, learning-curve period, suffering from perioperative stroke); average postoperative hospital stay was 6.8 ± 3.4 days and 96.6% of patients were discharged home. One patient was transfused (1.7%); there were no other complications. Follow-up revealed stability of the results of mitral repair, with one (1.7%) persistent (>2+/4+) mitral regurgitation, and stability of coaptation height over time. We observed optimal functional results (class I was 98% at 3 months and 96% at 12 months). Quarterly case load consistently increased during the experience. CONCLUSION This initial experience suggests the reliability and clinical safety of a recently established local robotic-assisted mitral surgery. This strategy can facilitate faster postoperative recovery, and its positioning in the therapeutic armamentarium needs to be defined.
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Affiliation(s)
- Alfonso Agnino
- Division of Minimally Invasive and Video-Assisted Cardiac Surgery
| | - Ascanio Graniero
- Division of Minimally Invasive and Video-Assisted Cardiac Surgery
| | - Nicola Villari
- Division of Cardiac Anesthesia, Cliniche HUMANITAS Gavazzeni, Bergamo, Italy
| | - Claudio Roscitano
- Division of Cardiac Anesthesia, Cliniche HUMANITAS Gavazzeni, Bergamo, Italy
| | | | - Giovanni Albano
- Division of Cardiac Anesthesia, Cliniche HUMANITAS Gavazzeni, Bergamo, Italy
| | - Amedeo Anselmi
- Division of Thoracic and Cardiovascular Surgery, Pontchaillou University Hospital.,Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, F-35000 Rennes, France
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Follow-Up of Robotic Mitral Valve Repair: A Single Tertiary Institution Experience in China. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:1997371. [PMID: 35637846 PMCID: PMC9148248 DOI: 10.1155/2022/1997371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
Abstract
Surgical treatment of mitral valve diseases has become minimally invasive. This study analyzed the follow-up results of patients after mitral valve repairs (MVRep) using the da Vinci robot. The clinical data of patients who underwent minimally invasive MVRep using the da Vinci robot between January 2016 and June 2021 and completed follow-ups were prospectively collected. All operations were performed by the same surgeon and assistants. The data of a total of 120 patients were available for analysis, including 78 males (65%) and 42 females aged 49.9 ± 12.1 years (range, 19–73 years). Among them, there were 30 cases (25%) of mitral valve prolapse, 87 cases (72.5%) of mitral regurgitation, and 40 cases of combined tricuspid regurgitation. Edwards Physio II annuloplasty rings were implanted intraoperatively, followed by continuous sutures. The intraoperative cardiopulmonary bypass time was 152.32 ± 45.77 min, and the aortic occlusion time was 95.13 ± 5.64 min. After surgery, patients were followed up regularly with echocardiography with a follow-up period of 3–57 months postoperatively. One patient died in the early stage, and five patients required sternotomy due to postoperative bleeding. Follow-up transesophageal echocardiography showed that the end-systolic diameter, end-diastolic diameter, and ejection fraction of the left ventricular all improved after surgery. Among Chinese patients, MVRep using the da Vinci robot is a safe and effective surgical approach.
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