Comparison of Frequency, Risk Factors, and Time Course of Postoperative Delirium in Octogenarians After Transcatheter Aortic Valve Implantation Versus Surgical Aortic Valve Replacement

Postoperative delirium (PD) after transcatheter aortic valve implantation (TAVI) remains to be explored. We sought to (1) determine the incidence of PD in octogenarians who underwent TAVI or surgical aortic valve replacement (SAVR), (2) identify its risk factors, and (3) describe possible differences in the onset and course of PD between treatment groups. A prospective cohort study of consecutive patients aged ≥80 years with severe aortic...