The Clock-Drawing Test as a Useful Screening Assessment of Preoperative Cognitive Impairment with Readmission After Transcatheter Aortic Valve Implantation.

Background: Transcatheter aortic valve implantation (TAVI) has recently become more common as a treatment for severe, symptomatic aortic stenosis (AS). Cognitive impairment (CI) is strongly associated with the prognosis of TAVI patients. However, some cognitive assessments currently in use are difficult to perform routinely in the clinical setting.