What method was utilized for cannulation of the right femoral artery?

The Seldinger technique is a widely utilized method for cannulating blood vessels, including the right femoral artery. This technique involves the insertion of a thin, flexible guide wire into the vessel through a small puncture. Once the guide wire is in place, a catheter or cannula is then threaded over the wire and positioned into the artery.

This method is favored for several reasons: it minimizes the risk of complications, allows for better control during the procedure, and can be performed with the patient under local anesthesia. The Seldinger technique is particularly valuable in minimizing trauma to the vessel, ensuring a smoother and safer access point for various medical interventions, especially in interventional radiology and cardiovascular procedures.

While open surgical and direct puncture techniques can be used for vascular access, they typically involve more significant incisions or potential damage to surrounding tissues. The percutaneous approach generally refers to minimally invasive methods but can encompass a range of techniques, including the Seldinger method itself, which is why it stands out as the specific correct choice in this context.