Is carotid sonography a useful tool for predicting functional capabilities in ischemic stroke patients following carotid artery stenting?

Carotid stenosis is a major cause of stroke and timely intervention with stenting manipulation can significantly reduce the risk of secondary stroke. The impact of stenting procedures on patient functional capabilities has not yet been explored. The primary aim of this study was to examine associati...

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Bibliographic Details
Published in:Medicine (Baltimore) 2017-03, Vol.96 (12), p.e6363-e6363
Main Authors: Lin, Chih-Ming, Su, Jian-Chi, Chang, Yu-Jun, Liu, Chi-Kuang, Lu, Henry Horng-Shing, Jong, Yuh-Jyh
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Angiography - methods
Brain Ischemia - diagnostic imaging
Brain Ischemia - surgery
Carotid Arteries - diagnostic imaging
Carotid Stenosis - diagnostic imaging
Carotid Stenosis - surgery
Female
Humans
Magnetic Resonance Imaging - methods
Male
Middle Aged
Neurosurgical Procedures
Observational Study
Prognosis
Recovery of Function
Severity of Illness Index
Stents
Stroke - diagnostic imaging
Stroke - surgery
Tomography, X-Ray Computed - methods
Treatment Outcome
Ultrasonography - methods
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Summary:Carotid stenosis is a major cause of stroke and timely intervention with stenting manipulation can significantly reduce the risk of secondary stroke. The impact of stenting procedures on patient functional capabilities has not yet been explored. The primary aim of this study was to examine associations between periprocedural carotid sonography parameters and post-treatment functional capabilities in stroke patients.Sixty-seven patients who received carotid stenting at 1 angiography laboratory were included. Prestenting and poststenting carotid duplex data were recorded and resistance index (RI) differences at various carotid system locations were compared. The modified Rankin Scale (mRS) was used to assess functional capability. All of the studied parameters were analyzed by SPSS (version 16.0, SPSS Inc, Chicago, IL).Following stenting, mRS scores improved (n = 44) or remained stationary (n = 23). Net contralateral internal carotid artery (ICA) RI for patients with improved mRS was lower compared to that for patients with stationary mRS (median = 0.040 vs 0.11; P = 0.003). The contralateral common carotid artery RI before and after stenting differed significantly (P 
ISSN:0025-7974
1536-5964
DOI:10.1097/MD.0000000000006363