Evolution of transcatheter aortic valve implantation: from planning to robotic systems

Kochergin N.A., Shilov A.A., Ovcharenko E.A., Klyshnikov K.Yu., Ganyukov V.I.

Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russia

Since its introduction in 2002, transcatheter aortic valve implantation (TAVI) has evolved dramatically and is now standard of care for intermediate risk patients with aortic stenosis. The development of innovative transcatheter heart valves and refinement of technical skills have contributed to the decrease in complication rates associated with TAVI. Increased experience, smaller sheaths, rigorous pre-procedural planning and improved vascular closing techniques have resulted in markedly lower rates of vascular complications. The next step was the simplification of the procedure, which contributed to a further decrease in complications, reduced procedural time, and shorter hospital stay. Change-over from general anaesthesia to conscious sedation, refusal from predilatation, and use of the radial approach instead of the contralateral femoral approach are all instrumental in achieving optimal results. Prospects for development include visual assist systems and robotic systems that can potentially optimize the transcatheter aortic valve implantation process, improve safety and effectiveness of the procedure.

KEY WORDS: transcatheter aortic valve implantation, transcatheter heart valve, robotic system.

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