Correlation between the degree of left subclavian artery stenosis and the left vertebral artery waveform by pulse Doppler ultrasonography.

Sakima H; Wakugawa Y; Isa K; Yasaka M; Ogata T; Saitoh M; Shimada H; Yasumori K; Inoue T; Ohya Y; Okada Y

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Correlation between the degree of left subclavian artery stenosis and the left vertebral artery waveform by pulse Doppler ultrasonography.

机译：脉冲多普勒超声检查左锁骨下动脉狭窄程度与左椎动脉波形的相关性。

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BACKGROUND: Development of retrograde blood flow may be observed in the vertebral artery and is associated with progressive ipsilateral proximal subclavian or innominate artery stenosis. The subclavian steal phenomenon is more prevalent in the left subclavian artery (LSA). The purpose of this study was to analyze the correlation between the degree of LSA stenosis and pulse Doppler waveforms of the left vertebral artery (LVA). METHODS: A retrospective analysis of LVA waveforms was performed in 22 cases with LSA proximal stenosis before the origin of the LVA in conventional angiograms. The degree of LSA stenosis was classified into 5 groups (<50, 50-59, 60-69, 70-89, 90-100%). Pulse Doppler waveforms of the LVA were also classified into 5 subtypes depending on the depth of the mid-systolic notch representing retrograde blood flow (normal, mid-systolic notch, retrograde flow smaller than antegrade flow, retrograde flow larger than antegrade flow, retrograde flow without antegrade flow). RESULTS: A statistically significant correlation (R(2) = 0.646, p < 0.0001) was found between the degree of LSA stenosis and the LVA waveform. CONCLUSIONS: The pattern analysis of LVA pulse Doppler waveforms seems to be useful in determining the degree of LSA stenosis.

机译：背景：可能在椎动脉中观察到逆行血流的发展，并与进行性的同侧近端锁骨下或无名的动脉狭窄有关。锁骨下盗窃现象在左锁骨下动脉（LSA）中更为普遍。本研究的目的是分析LSA狭窄程度与左椎动脉（LVA）的脉冲多普勒波形之间的相关性。方法：回顾性分析了22例LSA近端狭窄患者的LVA波形，这些病例在常规血管造影术中LVA起源之前。 LSA狭窄程度分为5组（<50、50-59、60-69、70-89、90-100％）。 LVA的脉冲多普勒波形也根据代表收缩期血流的收缩期中期切迹的深度分为5种亚型（正常，收缩期中期，逆行流量小于顺行流量，逆行流量大于顺行流量，逆行流量）没有顺流）。结果：LSA狭窄程度和LVA波形之间存在统计学意义的相关性（R（2）= 0.646，p <0.0001）。结论：LVA脉冲多普勒波形的模式分析似乎对确定LSA狭窄程度有用。

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《Cerebrovascular diseases》 |2011年第1期|共4页
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Sakima H; Wakugawa Y; Isa K; Yasaka M; Ogata T; Saitoh M; Shimada H; Yasumori K; Inoue T; Ohya Y; Okada Y;
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中图分类神经病学与精神病学;
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1. Correlation between the degree of left subclavian artery stenosis and the left vertebral artery waveform by pulse Doppler ultrasonography. [J] . Sakima H, Wakugawa Y, Isa K, Cerebrovascular diseases . 2011,第1期

机译：脉冲多普勒超声检查左锁骨下动脉狭窄程度与左椎动脉波形的相关性。
2. Coronary subclavian steal from a left internal thoracic artery coronary bypass graft due to ipsilateral subclavian artery stenosis and an arteriovenous graft in a hemodialysis patient with left vertebral artery occlusion [J] . TanakaA., SakakibaraM., OkadaK., Internal medicine. . 2013,第11期

机译：患有左椎动脉阻塞的血液透析患者，由于同侧锁骨下动脉狭窄和动静脉移植物，导致左胸内动脉冠状动脉搭桥术从冠状锁骨下偷走
3. Coronary Subclavian Steal from a Left Internal Thoracic Artery Coronary Bypass Graft due to Ipsilateral Subclavian Artery Stenosis and an Arteriovenous Graft in a Hemodialysis Patient with Left Vertebral Artery Occlusion [J] . Akihito Tanaka, Masaki Sakakibara, Koji Okada, Internal medicine. . 2013,第11期

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4. Non-invasive estimation of left ventricular myocardial fiber stress by using subclavian artery pulse tracings and M-mode echocardiography [C] . Rabben, S., Eilertsen, . 1997

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Correlation between the degree of left subclavian artery stenosis and the left vertebral artery waveform by pulse Doppler ultrasonography.

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