Observational Study on the Application of High-Flow Therapy After Percutaneous Transfemoral Aortic Valve Replacement

Transcatheter Aortic Valve Replacement

Percutaneous catheter-assisted valve replacement in aortic position (TAVI) for patients with high perioperative risk has become a standard method in recent years. In addition to the detection of bleeding and cardiac rhythm complications, follow-up care is mainly focused on the monitoring of respiratory parameters after an operation under intubation anesthesia or deep analgosedation. In addition to normal oxygen therapy, non-invasive ventilation and, in case of weaning failure, renewed tracheal intubation in the first 24 h after TAVI have been considered. High flow oxygen therapy (HFOT) now provides a good opportunity to treat patients with a warmed and humidified air-oxygen mixture and to independently control the oxygen content in the inhaled air and the flow in the pharyngeal area. The aim of the Study is to investigate the Change in oxygenation after high-flow oxygen therapy as a measure of weaning success in postinterventional patients after TAVI.

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