Transcaval Transcatheter Aortic Valve Replacement (TAVR)
For patients with difficult arterial access (namely calcified/narrowed femoral and subclavian arteries), a transcaval approach offers another alternative. In this technique, interventional cardiologists guide a catheter through the femoral vein into the abdominal inferior vena cava (IVC). Using prior CT imaging and intraprocedural fluoroscopy, they electrify a venous guidewire from…