# Successful Endovascular Entry Closure for Retrograde Type A Aortic Dissection Originating from the Right Subclavian Artery: A Case Report

## TL;DR

A rare case of aortic dissection caused during a heart procedure was successfully treated with a stent graft, preventing further complications over four years.

## Contribution

Demonstrates successful endovascular treatment for retrograde type A aortic dissection originating from the subclavian artery.

## Key findings

- Endovascular stent graft closure resolved the false lumen in retrograde TAAD.
- The patient remained free from cardiovascular events during 4 years of follow-up.
- Highlights the potential of endovascular treatment for subclavian-origin TAAD.

## Abstract

Iatrogenic type A aortic dissection (TAAD) is a rare but potentially fatal complication of coronary angiography. We report a case of iatrogenic retrograde TAAD originating from the right subclavian artery. Endovascular entry closure using a stent graft led to resolution of the false lumen and favorable aortic remodeling. The patient remained free from cardiovascular events over a 4-year follow-up. This case highlights the potential efficacy of endovascular treatment, even in retrograde TAAD with its entry located in the subclavian artery.