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Aortic dissection extending from the brachiocephalic artery during transradial coronary catheterization: a case report.


ABSTRACT: BACKGROUND:Iatrogenic acute aortic dissection (AD) is an extremely rare but devastating complication during cardiac catheterization. It can be treated conservatively if it develops in a retrograde form or manifests as an intramural hematoma (IMH) with a micro-intimal tear in the absence of instability. However, only a few reports exist on its natural course and long-term outcomes. CASE PRESENTATION:A 78-year-old woman presented to the emergency department with acute chest discomfort. Elective cardiac catheterization was performed via the right radial artery. The patient's brachiocephalic artery was so tortuous that the hydrophilic soft guidewire had to be exchanged for a stiffer one. However, the stiff wire caused the dissection of a tortuous brachiocephalic artery that extended from the sinuses of Valsalva to the proximal descending aorta. Emergent computed tomography showed crescentic aortic wall thickening without a dissection flap. The patient had cardiac tamponade and a gradually thickening thrombosed false lumen. Although the patient was unstable during the first 2?weeks, she was stabilized during hospital stay with only conservative treatment. Consequently, she has been well for over 5?years. CONCLUSIONS:Even though the patient showed ominous findings, a good prognosis was expected because the AD was mainly retrograde. Furthermore, the thrombosed false lumen mimicked an IMH on imaging. To the best of our knowledge, this is the first report of an extensive iatrogenic AD originating from the brachiocephalic artery during right transradial catheterization that was treated conservatively despite clinical instability.

SUBMITTER: Kim K 

PROVIDER: S-EPMC7460766 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Aortic dissection extending from the brachiocephalic artery during transradial coronary catheterization: a case report.

Kim Kihyun K   Kim Yeon Seong YS   Woo Yeongmin Y   Yoo Sang-Yong SY  

BMC cardiovascular disorders 20200831 1


<h4>Background</h4>Iatrogenic acute aortic dissection (AD) is an extremely rare but devastating complication during cardiac catheterization. It can be treated conservatively if it develops in a retrograde form or manifests as an intramural hematoma (IMH) with a micro-intimal tear in the absence of instability. However, only a few reports exist on its natural course and long-term outcomes.<h4>Case presentation</h4>A 78-year-old woman presented to the emergency department with acute chest discomfo  ...[more]

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