Key result
Understanding coronary venous anatomy and variants drives successful cannulation during retrograde cardioplegia and EP interventions.
Why the study?
Anomalies of the coronary venous system, Thebesian valve, and other malformations can make cannulating the coronary sinus difficult during retrograde cardioplegia and electrophysiological or interventional procedures.
Understanding the clinical anatomy and variants of the coronary venous system is crucial for successful cannulation during retrograde cardioplegia, cardiac resynchronization therapy, and other electrophysiological or structural interventions.
Requires integration into interventional training; leaves open prospective studies on variant-specific outcomes.
Anomalies of coronary venous system, the valve of the coronary sinus (Thebesian valve) and other cardiac malformations may make interventions through the coronary sinus difficult. These variants may pose a challenge in cannulating the coronary sinus for retrograde cardioplegia and for interventions performed through the coronary sinus by cardiac electrophysiologist/interventional cardiologist. Retrograde cardioplegia is an established method of myocardial protection with advantages, indications, and complications. A good knowledge of the anatomy of the coronary sinus and its variants is important in understanding the difficulties encountered while cannulating the coronary sinus for the delivery of retrograde cardioplegia, cardiac resynchronization therapy, treatment of arrhythmias, and percutaneous mitral valve annuloplasty.
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Kesieme et al. (2024) conducted a review in Coronary venous system anomalies. Understanding the anatomy and variants of the coronary venous system is crucial for successful cannulation during retrograde cardioplegia and cardiac electrophysiological interventions.
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