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Author:

Song, Yan (Song, Yan.) | Dang, Ying (Dang, Ying.) | Wang, Jichang (Wang, Jichang.) | Cai, Hui (Cai, Hui.) | Feng, Jun (Feng, Jun.) | Zhang, Hongmei (Zhang, Hongmei.) | Ruan, Litao (Ruan, Litao.)

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Abstract:

Introduction: This study aimed to examine whether intraplaque neovascularization (IPN) of carotid plaques, as characterized by contrast-enhanced ultrasound (CEUS), is associated with ischemic stroke recurrence in patients with carotid atherosclerosis. Methods: We conducted a prospective study of consecutive patients with a recent stroke and at least one atherosclerotic plaque in the carotid artery on the side consistent with symptoms. All patients underwent CEUS after their first admission. IPN was graded on the basis of the presence and location of microbubbles within each plaque. Results: We eventually included 155 patients, all of whom underwent IPN analysis. After a follow-up of 24 months, we recorded 25 (16.1%) stroke recurrences in the whole population. All the recurrences occurred in patients presenting IPN. There was significant difference in the IPN between the 2 groups (p = 0.002). In the final Cox proportional-hazards multivariable models, IPN of grade 2 was independently associated with the risk of stroke recurrence (HR = 4.535; 95% CI: 1.892-10.870; p = 0.001). This association remained after adjusting for the degree of carotid stenosis (HR = 3.491; 95% CI: 1.410-8.646; p = 0.007). Conclusions: IPN was an independent predictor of stroke recurrence in patients with a recent ischemic stroke and carotid atherosclerosis. In predicting stroke recurrence, IPN may be an earlier indicator than carotid stenosis and may help stratify the risk of stroke recurrence.

Keyword:

Atherosclerosis Contrast-enhanced ultrasound Neovascularization Recurrence Stroke

Author Community:

  • [ 1 ] [Song, Yan]Xi An Jiao Tong Univ, Dept Ultrasound, Affiliated Hosp 1, 277 Yanta West Rd, Xian 710061, Peoples R China
  • [ 2 ] [Dang, Ying]Xi An Jiao Tong Univ, Dept Ultrasound, Affiliated Hosp 1, 277 Yanta West Rd, Xian 710061, Peoples R China
  • [ 3 ] [Ruan, Litao]Xi An Jiao Tong Univ, Dept Ultrasound, Affiliated Hosp 1, 277 Yanta West Rd, Xian 710061, Peoples R China
  • [ 4 ] [Wang, Jichang]Xi An Jiao Tong Univ, Dept Vasc Surg, Affiliated Hosp 1, Xian, Peoples R China
  • [ 5 ] [Cai, Hui]Xi An Jiao Tong Univ, Dept Vasc Surg, Affiliated Hosp 1, Xian, Peoples R China
  • [ 6 ] [Feng, Jun]Xi An Jiao Tong Univ, Dept Vasc Surg, Affiliated Hosp 1, Xian, Peoples R China
  • [ 7 ] [Zhang, Hongmei]Xi An Jiao Tong Univ, Sch Life Sci & Technol, Dept Biomed Engn, Xian, Peoples R China

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Source :

GERONTOLOGY

ISSN: 0304-324X

Year: 2021

Issue: 2

Volume: 67

Page: 144-151

5 . 1 4 0

JCR@2020

ESI Discipline: CLINICAL MEDICINE;

ESI HC Threshold:26

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 17

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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