Registered Cardiovascular Invasive Specialist (RCIS) Practice Test

What is the most common puncture site where PSA's occur?

1. CFA

2. SFA

3. External iliac artery

4. All of the above

The correct answer is: SFA

The most common puncture site for performing a peripheral vascular access procedure, particularly when dealing with peripheral arterial systems, is indeed the superficial femoral artery (SFA). This site is favored because the SFA has a relatively superficial location, making it more accessible for catheter placement and allowing for easier manipulation during diagnostic and interventional procedures. When procedures like angiograms or interventions are performed, locating a puncture site that balances accessibility, safety, and the quality of arterial flow is crucial. The SFA, positioned in the thigh, is often selected as it allows for a good trade-off between these considerations compared to other potential sites. The common femoral artery (CFA) and the external iliac artery are also viable puncture sites and are used in certain clinical situations, but they may not be as frequently selected as the SFA in routine practice. The CFA is often utilized for larger caliber devices or in specific patient populations, while the external iliac artery is more extensive and typically reserved for specific scenarios. Hence, while all the cited arteries can be utilized for punctures, the SFA stands out due to its common application in everyday vascular access procedures.