CIR Interventional Radiology Techniques & Procedures 2

Question 1

Under fluoroscopy, where is the ideal common femoral artery puncture site for retrograde access?

Accepted Answer

Over the medial third of the femoral head

Answer

Puncturing over the medial femoral head places the arteriotomy in the CFA, above the bifurcation and below the inguinal ligament, where it can be compressed against bone.

Question 2

A femoral puncture made above the inguinal ligament most increases the risk of which complication?

Accepted Answer

Retroperitoneal hemorrhage

Answer

Above the inguinal ligament the external iliac artery cannot be compressed effectively, so bleeding tracks into the retroperitoneum.

Question 3

A 3 cm femoral pseudoaneurysm with a narrow neck is found after a procedure. What is the preferred first-line treatment?

Accepted Answer

Ultrasound-guided thrombin injection

Answer

Ultrasound-guided percutaneous thrombin injection has a high success rate and is first-line for suitable post-catheterization pseudoaneurysms.

Question 4

A puncture made too low, at or below the femoral bifurcation, is most associated with which complication?

Accepted Answer

Pseudoaneurysm and arteriovenous fistula

Answer

Low punctures enter smaller vessels near the femoral vein with little bony support, which predisposes to pseudoaneurysm and AV fistula.

Question 5

Before radial artery access, which test checks dual palmar circulation using pulse oximetry plethysmography?

Accepted Answer

Barbeau test

Answer

The Barbeau test uses a pulse oximeter on the thumb while the radial artery is compressed to check ulnar collateral flow.

CIR - Cardiac Interventional Radiology Practice Test

CIR - Cardiac Interventional Radiology Practice Test

CIR Interventional Radiology Techniques & Procedures 2