In TAMI: Tibiopedal Arterial Minimally Invasive, what is the overall benefit of using a 4 Fr sheath?

• A. Reduces procedure time
• B. Reduces contrast
• C. Reduces compression time
• D. All of the above

Answer: (D)

Using a 4 Fr sheath in tibiopedal arterial minimally invasive procedures reduces the access size, which brings multiple practical benefits. A smaller sheath makes the entry quicker and easier to achieve, and it requires less vessel manipulation, which tends to shorten the overall procedure time. The streamlined setup and easier catheter control also mean fewer angiographic runs and less contrast needed to visualize the vessels. Additionally, a smaller puncture heals faster and is easier to compress, reducing the time needed to achieve hemostasis after the procedure. When these benefits are combined, they provide a broader improvement in efficiency, safety, and recovery, making the 4 Fr sheath the best overall choice.