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Robotically assisted left ventricular epicardial lead implantation for biventricular pacing
Joseph J DeRose1, Robert C Ashton, Scott Belsley
1Division of Cardiothoracic Surgery, St. Luke's-Roosevelt Hospital Center and Columbia University College of Physicians and Surgeons, New York, New York, USA. jjd11@columbia.edu
Journal of the American College of Cardiology
|April 23, 2003
Summary
Robotic left ventricular lead placement offers a minimally invasive solution for ventricular resynchronization in patients unsuitable for traditional methods. This novel technique shows promise for improving heart failure symptoms and function.
Area of Science:
- Cardiology
- Minimally Invasive Surgery
- Medical Robotics
Background:
- Biventricular pacemaker insertion fails in approximately 10% of patients due to coronary sinus cannulation issues.
- Current rescue therapies for failed coronary sinus cannulation rely on open surgical techniques, which are more invasive.
Purpose of the Study:
- To evaluate the efficacy and safety of a robotically assisted, direct left ventricular (LV) epicardial approach for ventricular resynchronization.
- To provide a minimally invasive alternative for patients who cannot undergo traditional biventricular pacing.
Main Methods:
- Ten patients with advanced heart failure and widened QRS complexes underwent robotic LV lead placement after failed coronary sinus cannulation.
- The procedure involved direct epicardial lead placement on the posterobasal surface of the left ventricle.
Main Results:
- Successful placement of epicardial leads in all patients, with favorable intraoperative parameters (lead threshold, R-wave, impedance).
- Significant improvements observed in exercise tolerance, LV ejection fraction, and QRS duration at 3-6 months follow-up.
- Complications were limited to one intraoperative LV injury and one postoperative pneumonia.
Conclusions:
- Robotic LV lead placement is an effective and novel technique for achieving ventricular resynchronization.
- This approach offers a viable minimally invasive option for patients with no other alternatives for biventricular pacing.