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Updated: Aug 14, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Balloon occlusion technique to cannulate angulated and tortuous coronary sinus branches in cardiac resynchronization
Thomas H Meade1, J Alberto Lopez
1Scott & White Clinic, Texas A&M College of Medicine, College Station, Texas 77840, USA. tmeade@swmail.sw.org
Insights
A novel technique using a pulmonary artery balloon simplifies cannulating difficult coronary sinus branches for cardiac resynchronization therapy. This method aids left ventricular lead placement in challenging anatomies.
Area of Science:
- Cardiology
- Medical Devices
- Interventional Procedures
Background:
- Left ventricular lead placement is crucial for cardiac resynchronization therapy (CRT).
- Cannulating tortuous coronary sinus branches can be challenging during CRT procedures.
- Optimal lead placement ensures CRT efficacy.
Observation:
- Two cases are presented demonstrating a new cannulation technique.
- The technique involves an occlusive pulmonary artery balloon.
- The balloon is positioned just beyond the coronary sinus branch takeoff.
Findings:
- The described technique successfully assisted in cannulating angulated and tortuous coronary sinus branches.
- This approach facilitates left ventricular lead placement in complex cases.
- The pulmonary artery balloon aids in guiding and securing the catheter.
Implications:
- This technique may improve the success rate of CRT lead placement.
- It offers a potential solution for challenging anatomies previously limiting CRT.
- Further studies could validate this method for broader clinical application.
Abstract:
We present two cases that demonstrate a new technique to cannulate angulated and tortuous coronary sinus branches during left ventricular lead placement for cardiac resynchronization therapy. The technique uses an occlusive pulmonary artery balloon just beyond the takeoff of the coronary sinus branch to assist in the cannulation of the branch.
