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血流动力学因素在大鼠动脉壁增厚中的作用。

The role of hemodynamic factors in arterial wall thickening in the rat.

作者信息

Matsuda I, Niimi H, Moritake K, Okumura A, Handa H

出版信息

Atherosclerosis. 1978 Mar;29(3):363-71. doi: 10.1016/0021-9150(78)90083-7.

DOI:10.1016/0021-9150(78)90083-7
PMID:666885
Abstract

In a study on the pathogenesis of arterial wall thickening, hemodynamic factors in the common carotid artery of the rat were experimentally altered with an autograft. The relationship between flow pattern and wall-thickening was examined in a half-ring bypass model with an induced stenosis, using both flow-visualization in a corresponding in vitro model circuit and observation of the wall by microscopy. Wall-thickening was found in the neighborhood of bifurcations, junctions and curved segments, which corresponded to regions of low-shear in the flow-field. Marked histologic changes in the wall were observed in the post-stenotic segments where the flow field was very disturbed. Histologic changes in the arterial wall correlated well with flow patterns.

摘要

在一项关于动脉壁增厚发病机制的研究中,通过自体移植对大鼠颈总动脉的血流动力学因素进行了实验性改变。在一个带有诱导性狭窄的半环旁路模型中,利用相应体外模型回路中的血流可视化以及显微镜对血管壁的观察,研究了血流模式与血管壁增厚之间的关系。在分叉、连接处和弯曲段附近发现了血管壁增厚,这些部位对应于流场中的低剪切区域。在狭窄后段观察到血管壁有明显的组织学变化,该区域的流场受到严重干扰。动脉壁的组织学变化与血流模式密切相关。

相似文献

1
The role of hemodynamic factors in arterial wall thickening in the rat.血流动力学因素在大鼠动脉壁增厚中的作用。
Atherosclerosis. 1978 Mar;29(3):363-71. doi: 10.1016/0021-9150(78)90083-7.
2
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[Experimentary studies on the role of hemodynamic factors in arterial wall thickening using autografted common carotid artery in the rat (author's transl)].[利用大鼠自体移植颈总动脉对血流动力学因素在动脉壁增厚中的作用进行的实验研究(作者译)]
No To Shinkei. 1979 Apr;31(4):385-95.
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Hemodynamics and atherosclerosis. Insights and perspectives gained from studies of human arteries.血流动力学与动脉粥样硬化。从人体动脉研究中获得的见解与观点。
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Carotid 'whirlpool' sweeps in new atherogenesis theory.
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引用本文的文献

1
Histopathologic characteristics of a chronic arteriovenous malformation in a swine model: preliminary study.猪模型中慢性动静脉畸形的组织病理学特征:初步研究
AJNR Am J Neuroradiol. 2000 Aug;21(7):1268-76.
2
Haemodynamically-induced intimal tears in experimental U-shaped arterial loops as seen by scanning electron microscopy.扫描电子显微镜观察到的实验性U形动脉袢中血流动力学诱导的内膜撕裂。
Br J Exp Pathol. 1985 Oct;66(5):577-84.
3
In vivo study of flow pattern at human carotid bifurcation with regard to aneurysm development.关于动脉瘤发展的人体颈动脉分叉处血流模式的体内研究。
Acta Neurochir (Wien). 1992;115(3-4):112-7. doi: 10.1007/BF01406368.
4
The rat testicular artery: a model of spontaneous aneurysmal-like structure formation.大鼠睾丸动脉:一种自发性动脉瘤样结构形成的模型。
Am J Pathol. 1992 Nov;141(5):1053-61.