What is the function of the marker pigtail in AAA repair?

The function of the pigtail marker in abdominal aortic aneurysm (AAA) repair is to mark the aorta. This specific design enables visualization and identification of the aorta during imaging studies, ensuring better precision and accuracy in the placement of stents or grafts used in the repair process. By marking the aorta, clinicians can clearly delineate the area of interest, facilitating effective monitoring and evaluation of the aneurysm site and surrounding structures.

It is important to recognize that while other functions such as measuring blood flow, assisting in stent placement, or contributing to clot prevention are critical in various interventional radiology procedures, they do not align with the primary function of the pigtail marker during AAA repair. The pigtail's primary role as a marker plays a vital part in ensuring the success of the intervention by providing essential anatomical guidance.