Hydrodynamic evaluation of axillary artery perfusion for normal and diseased aorta

被引：23

作者：

Minakawa M. ^{[1
]}

Fukuda I. ^{[1
]}

Inamura T. ^{[2
]}

Yanaoka H. ^{[2
]}

Fukui K. ^{[1
]}

Daitoku K. ^{[1
]}

Suzuki Y. ^{[1
]}

Hashimoto H. ^{[3
]}

机构：

[1] Department of Thoracic and Cardiovascular Surgery, Hirosaki University School of Medicine, Hirosaki, Aomori 036-8562

[2] Department of Intelligent Machines and System Engineering, Faculty of Science and Technology, Hirosaki University, Aomori

[3] Department of Anesthesiology, Hirosaki University School of Medicine, Aomori

来源：

General Thoracic and Cardiovascular Surgery | 2008年 / 56卷 / 5期

基金：

日本学术振兴会;

关键词：

Aneurysm; Atherosclerosis; Embolism; Perfusion; Stroke;

D O I：

10.1007/s11748-008-0234-y

中图分类号：

学科分类号：

摘要：

Axillary artery perfusion is an attractive alternative to reduce the frequency of atheroembolism in extensive atherosclerotic aorta and aortic aneurysms. This study was conducted to evaluate the flow dynamics of axillary artery perfusion. Transparent glass models of a normal aortic arch and an aortic arch aneurysm were used to evaluate hydrodynamic properties. Streamline analysis and distribution of the shear stress was evaluated using a particle image velocity method. In the normal aortic arch model, rapid flow of 80 cm/s from the right axillary artery ran out from the brachiocephalic artery and grazed the lesser curvature of the aortic arch. There was secondary reversed flow in the ascending aorta. Flow from left axillary perfusion went straight to the descending aorta. In the aortic arch aneurysm model, flow from both axillary arteries hit the lesser curvature of the aortic arch and went into the ascending aorta with vortical flow. Distribution of shear stress was high along the jet from the ostium of the brachiocephalic artery and left subclavian artery. Flow in the aortic arch and the ascending aorta was unexpectedly rapid. Special care must be taken when the patient has frail atheroma around arch vessels or the lesser curvature of the aortic arch during axillary artery perfusion. © 2008 The Japanese Association for Thoracic Surgery.

引用

页码：215 / 221

页数：6

共 25 条

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