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Total on Pump Beating Bicaval Cannulation Atrioventricular Groove Approach for TAH
Case description
Dr. Sam Zeraatiannejaddavani has introduced a key modification in total artificial heart (TAH) implantation focused on enhancing long-term device stability and minimizing postoperative complications. His technique emphasizes the use of watertight atrioventricular (AV) groove sutures during the anchoring of both inflow and outflow drive connectors. By meticulously reinforcing the AV groove interface with multi-layered, pledgeted sutures and bio-sealant reinforcement, this approach ensures a hemostatic seal while maintaining mechanical integrity under high-pressure pulsatile flow. This modification not only reduces the risk of perivalvular leaks and infection but also optimizes coupling between the patient’s native tissue and the artificial pump chamber, significantly improving procedural outcomes and durability of the implanted TAH system.
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