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KMID : 0364020100430060769
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Korean Journal of Thoracic and Cardiovascular Surgery
2010 Volume.43 No. 6 p.769 ~ p.773
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The Use of Rapid Ventricular Pacing to Facilitate Stent Graft Deployment in the Distal Aortic Arch
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Kong Joon-Hyuk
Koo Yang-Hee
Lee Yoon-Ji
Hur Jin
Kim Duk-Sil
Kim Sung-Wan
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Abstract
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Systemic hypotension has been traditionally used to facilitate deployment of thoracic stent grafts. Decreasing blood pressure with vasodilating agents further increases cardiac output and, consequently, the cardiac output-mediated windsock effect during deployment. Use of rapid ventricular pacing reduces the windsock effect during stent graft deployment and allows the graft to appose to the aortic wall under zero cardiac output, thus minimizing aortic wall shear stress. In this case we report the use of transvenous rapid ventricular pacing, a safe and reproducible technique to allow precise deployment of a Valiant Captivia stent graft in the distal thoracic arch for a saccular thoracic aneurysm.
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KEYWORD
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Aneurysm, Endovascular stent, Rapid ventricular pacing
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