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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

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Published on: September 8, 2023

Ascending thoracic aorta: postoperative imaging evaluation.

Julia A Prescott-Focht¹, Santiago Martinez-Jimenez, Lynne M Hurwitz

¹Department of Radiology, Sanford USD Medical Center, Sioux Falls, SD, USA.

Radiographics : a Review Publication of the Radiological Society of North America, Inc

|January 17, 2013

Summary

This summary is machine-generated.

Computed tomography angiography (CTA) enhances visualization of the postoperative ascending aorta. Radiologists must distinguish normal findings from complications like pseudoaneurysms and stenoses after aortic repair surgery.

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Area of Science:

Cardiovascular Imaging
Radiology
Thoracic Surgery

Background:

Advances in computed tomography (CT) and electrocardiographic gating have improved ascending aorta imaging.
CT angiography (CTA) is increasingly used for postoperative ascending aorta evaluation.
Various surgical techniques exist for ascending aorta and aortic arch reconstruction.

Purpose of the Study:

To review surgical procedures for the ascending aorta and aortic arch.
To describe normal and abnormal CT angiography findings after these surgeries.
To aid radiologists in interpreting postoperative imaging.

Main Methods:

Review of surgical techniques including Wheat, Cabrol, modified Bentall, Ross, T. David-V, elephant trunk, and arch-first procedures.
Analysis of characteristic CT angiography findings for each procedure.
Identification of common postoperative complications visible on CTA.

Main Results:

Normal findings include hyperattenuating felt pledgets, prosthetic conduits, and reanastomosis sites.
Potential complications visualized on CTA include pseudoaneurysms, anastomotic stenoses, dissections, and aneurysms.
Familiarity with surgical techniques is crucial for accurate interpretation.

Conclusions:

CT angiography is vital for assessing the postoperative ascending aorta.
Radiologists need to recognize normal postoperative changes to avoid misdiagnosis.
Prompt identification of complications is essential for patient management.