The iliofemoral tortuosity score predicts access and bleeding complications during transfemoral transcatheter aortic valve replacement: Data from the VIenna Cardio Thoracic aOrtic valve registrY (VICTORY)
European Journal of Clinical Investigation Feb 05, 2021
Mach M, Poschner T, Hasan W, et al. - Researchers sought to determine how novel scoring methods of iliofemoral tortuosity can impact access and bleeding complications following transfemoral transcatheter aortic valve replacement (TF‐TAVR). Using preoperative multislice computed tomography scans of 240 patients receiving TF‐TAVR, the main access vessel was evaluated between the aortoiliacal and femoral bifurcation. Three methods were employed to evaluate tortuosity. Patients who exhibited a higher IFT (iliofemoral tortuosity) score [((true vessel length/ideal vessel length)‐1)*100] were found to have a higher incidence of access and bleeding complications. Findings revealed vascular tortuosity as an underestimated risk factor during TF‐TAVR. The IFT score was identified as a useful instrument in risk stratification prior to TF‐TAVR, predicting periprocedural access as well as bleeding complications.
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