Clinical application of convex array probe in the diagnosis of ulcerative atherosclerotic plaques in the initial part of subclavian artery

doi:10.3877/cma.j.issn.2095-123X.2020.06.005

Abstract

Abstract:

Objective

To analyze the detection rate and accuracy of intracavitary convex array probe (ICAP) in the diagnosis of ulcerative plaque at the origin of subclavian artery.

Methods

Two hundred and forty-eight patients with posterior circulation ischemia and recurrent stroke were selected from the Ultrasound Imaging Department of Hubei No.3 People’s Hospital of Jianghan University from May 2018 to December 2019. Color Doppler ultrasound was performed on bilateral subclavian arteries with high frequency linear array probe (HFLP) alone and combined with ICAP. The number, shape and echo of subclavian artery plaques were recorded, According to the diagnostic results of high-resolution CT angiography (HD-CTA), the plaque detection rates of HFLP alone and ICAP combined were compared.

Results

According to the diagnostic results of HD-CTA, compared with HFLP alone and ICAP combined, the detection rate of atherosclerotic plaque at the origin of subclavian artery increased significantly (P>0.05), but the morphology of atherosclerotic plaque, the accuracy of echo description and the detection rate of ulcerative atherosclerotic plaque increased significantly (P<0.05).

Conclusion

The combined application of ICAP has a high clinical value for the diagnosis of ulcerative atherosclerosis plaque in the initial segment of the subclavian artery.

Key words: Subclavian artery, Ulcerative atheromatous plaque, Ultrasonic probe

Hongwei Zhang, Liangjin Liu, Zhitao Wang, Zhihu Yu, Yuan Guo. Clinical application of convex array probe in the diagnosis of ulcerative atherosclerotic plaques in the initial part of subclavian artery[J]. Chinese Journal of Brain Diseases and Rehabilitation(Electronic Edition), 2020, 10(06): 335-338.

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References 15

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组别	斑块检出率	斑块描述准确率	溃疡型斑块检出率
单独应用HFLP	213（98.61）	176（81.48）	49（85.96）
结合应用ICAP	215（99.54）	190（87.96）	53（92.98）
χ²值	11.535	36.241	45.721
P值	0.138	0.032	0.025

组别	斑块检出率	斑块描述准确率	溃疡型斑块检出率
单独应用HFLP	213（98.61）	176（81.48）	49（85.96）
结合应用ICAP	215（99.54）	190（87.96）	53（92.98）
χ²值	11.535	36.241	45.721
P值	0.138	0.032	0.025

组别	斑块检出率				斑块描述准确率				溃疡型斑块检出率
组别	右侧	左侧	χ²值	P值	右侧	左侧	χ²值	P值	右侧	左侧	χ²值	P值
单独应用HFLP	122（57.28）	91（42.72）	11.321	0.136	104（55.91）	72（44.09）	27.346	0.038	31（63.63）	18（36.73）	40.991	0.026
结合应用ICAP	124（57.67）	91（42.36）	10.609	0.128	112（58.95）	78（41.05）	33.665	0.031	34（64.15）	19（35.85）	43.433	0.025

组别	斑块检出率				斑块描述准确率				溃疡型斑块检出率
组别	右侧	左侧	χ²值	P值	右侧	左侧	χ²值	P值	右侧	左侧	χ²值	P值
单独应用HFLP	122（57.28）	91（42.72）	11.321	0.136	104（55.91）	72（44.09）	27.346	0.038	31（63.63）	18（36.73）	40.991	0.026
结合应用ICAP	124（57.67）	91（42.36）	10.609	0.128	112（58.95）	78（41.05）	33.665	0.031	34（64.15）	19（35.85）	43.433	0.025

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