Prevalence, Clinical Profile, and In-Hospital Outcomes of Sleep-Disordered Breathing in Patients Undergoing Transcatheter Aortic Valve Implantation in Japan

181 patients with severe aortic stenosis (AS) referred for transcatheter aortic valve implantation (TAVI) with a balloon-expandable valve at Keio University Hospital, Japan. Median age 85 years, 32% male. Inclusion criteria: NYHA functional class ≥II; mean gradient >40 mmHg, jet velocity >4.0 m/s, or aortic valve area <1.0 cm2.

Presence of sleep-disordered breathing (SDB), defined as 3% oxygen desaturation index (ODI) ≥15

Absence of sleep-disordered breathing (3%ODI <15)

In-hospital clinical outcomes including stroke, all-cause death, cardiac death, periprocedural MI, major bleeding, acute kidney injury, and new pacemaker implantationhard clinical