Prevalence of blood type A and risk of vascular complications following transcatheter aortic valve implantation.

Objectives: To assess the prevalence of blood type A among patients referred for transcatheter aortic valve implantation (TAVI) and whether it is related to vascular complications.

Backgrounds: Vascular complications following TAVI are associated with adverse outcomes. Various blood types, particularly type A, have been shown to be more prevalent in cardiovascular diseases and to be related to prognosis.