Related Experiment Video
Updated: Jul 12, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Robotic mitral valve surgery: a United States multicenter trial
L Wiley Nifong1, W R Chitwood, P S Pappas
1Brody School of Medicine at East Carolina University, Pitt County Memorial Hospital, Greenville, NC, USA. nifongL@mail.ecu.edu
Robotic mitral valve repair in 112 patients demonstrated safety and feasibility in a phase II trial. Early results show a low reoperation rate, highlighting potential for minimally invasive cardiac surgery.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Techniques
- Robotic Surgery
Background:
- Mitral regurgitation is a significant cardiac condition requiring effective treatment.
- Robotic-assisted surgery offers potential for enhanced precision in complex cardiac procedures.
Purpose of the Study:
- To evaluate the safety and efficacy of robotic mitral valve repair.
- To assess the feasibility of this minimally invasive technique in a multi-center trial.
Main Methods:
- Prospective phase II Food and Drug Administration (FDA) trial involving 112 patients.
- Robotic mitral valve repair using the da Vinci surgical system.
- Standardized technique including peripheral cardiopulmonary bypass and minithoracotomy.
Main Results:
- Successful repair (grade 0 or 1 mitral regurgitation) achieved in the majority of patients at 1 month.
- Low incidence of reoperation (5.4%) with no deaths or strokes.
- Average operative times for robotic components were recorded.
Conclusions:
- Robotic mitral valve repair is a safe and feasible early-stage procedure.
- Further advancements in robotic technology may optimize operative times and outcomes.
- This minimally invasive approach shows promise for treating mitral regurgitation.
Related Concept Videos
Mitral Valve Prolapse I: Introduction
Mitral Valve Prolapse II: Assessment and Management
Mitral Regurgitation I: Introduction
Mitral Regurgitation III: Medical Management
Mitral Stenosis I: Introduction
Mitral Stenosis III: Medical Management

