Shear wave elastography was used to detect Young’s modulus at different locations of carotid plaques before and after carotid endarterectomy contrastive study of pathogenicity

doi:10.3877/cma.j.issn.2095-123X.2021.06.006

Abstract

Abstract:

Objective

To explore whether there is difference in consistency between Young’s modulus measured at different positions of carotid plaque at the top and base before and after carotid endarterectomy (CEA).

Methods

The plaque specimens collected from 23 cases of CEA in the Neurosurgery Department of The Third People’s Hospital of Hubei Province Affiliated to Jianghan University from January 2019 to August 2021 were detected and analyzed by shear-wave elastic imaging technology for the value and distribution of Young’s modulus in different parts of the plaque before and after surgery, to check the consistency and analyze the reasons for consistency or inconsistency.

Results

Preoperative measurement of Young’s modulus (E) was 16.284 (14.221, 18.623) kPa at the top and 35.982 (31.332, 42.351) kPa at the base of 23 plaque specimens. Young’s modulus (E) was 18.132 (15.610, 20.345) kPa at the top and 40.223 (34.680, 46.731) kPa at the base after surgery within 24 h (P=0.018, 0.011).

Conclusion

Young’s modulus measured at different positions of cervical plaque pulse before and after CEA is not consistent. The standardized measurement and evaluation of its average E value are reliable and have certain reference value.

Key words: Shear-wave elastography, Carotid endarterectomy, Plaque, Young’s modulus

Hongwei Zhang, Ailong Lin, Zhitao Wang, Zhihu Yu, Yuan Guo, Jianxin Liu. Shear wave elastography was used to detect Young’s modulus at different locations of carotid plaques before and after carotid endarterectomy contrastive study of pathogenicity[J]. Chinese Journal of Brain Diseases and Rehabilitation(Electronic Edition), 2021, 11(06): 349-352.

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URL: https://zhnkjbykfzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.2095-123X.2021.06.006

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Figures/Tables 2

References 16

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	斑块顶部	秩次	斑块基底部	秩次
CEA术前	10.73	1	20.49	1
	11.38	2	23.65	3
	11.97	4	28.55	5
	12.56	6	28.71	6
	13.28	7	29.32	9
	14.22	10	31.33	11
	14.65	12	31.67	12
	15.31	13	32.84	13
	15.89	16	34.65	15.5
	15.99	17	34.65	15.5
	16.24	18.5	35.41	17
	16.24	18.5	35.98	19
	16.44	20	36.18	20
	16.88	22	36.22	21
	17.21	24	38.11	24
	17.46	25	39.56	26
	17.56	26	39.66	27
	18.62	31	42.35	32.5
	19.23	34	43.58	34
	19.45	35	43.66	35
	20.11	37	45.36	38
	20.30	39	48.49	40
	21.67	42	51.87	43
CEA术后	11.62	3	21.77	2
	12.35	5	24.65	4
	13.52	8	28.97	7
	13.95	9	28.98	8
	14.38	11	29.89	10
	15.61	14	34.68	16
	15.66	15	35.66	18
	16.87	21	36.74	22
	16.98	23	37.52	23
	17.63	27	38.33	25
	18.02	28	39.97	28
	18.13	29	40.22	29
	18.27	30	40.25	30
	18.67	32	42.35	32.5
	19.09	33	43.21	33
	19.63	36	44.56	36
	20.14	38	44.58	37
	20.55	40	46.73	39
	21.58	41	48.69	41
	22.33	43	51.41	42
	23.50	44	52.36	44
	23.54	45	54.58	45
	24.64	46	58.67	47

	斑块顶部	秩次	斑块基底部	秩次
CEA术前	10.73	1	20.49	1
	11.38	2	23.65	3
	11.97	4	28.55	5
	12.56	6	28.71	6
	13.28	7	29.32	9
	14.22	10	31.33	11
	14.65	12	31.67	12
	15.31	13	32.84	13
	15.89	16	34.65	15.5
	15.99	17	34.65	15.5
	16.24	18.5	35.41	17
	16.24	18.5	35.98	19
	16.44	20	36.18	20
	16.88	22	36.22	21
	17.21	24	38.11	24
	17.46	25	39.56	26
	17.56	26	39.66	27
	18.62	31	42.35	32.5
	19.23	34	43.58	34
	19.45	35	43.66	35
	20.11	37	45.36	38
	20.30	39	48.49	40
	21.67	42	51.87	43
CEA术后	11.62	3	21.77	2
	12.35	5	24.65	4
	13.52	8	28.97	7
	13.95	9	28.98	8
	14.38	11	29.89	10
	15.61	14	34.68	16
	15.66	15	35.66	18
	16.87	21	36.74	22
	16.98	23	37.52	23
	17.63	27	38.33	25
	18.02	28	39.97	28
	18.13	29	40.22	29
	18.27	30	40.25	30
	18.67	32	42.35	32.5
	19.09	33	43.21	33
	19.63	36	44.56	36
	20.14	38	44.58	37
	20.55	40	46.73	39
	21.58	41	48.69	41
	22.33	43	51.41	42
	23.50	44	52.36	44
	23.54	45	54.58	45
	24.64	46	58.67	47

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