eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
Current issue Archive Manuscripts accepted About the journal Editorial board Abstracting and indexing Subscription Contact Instructions for authors
SCImago Journal & Country Rank
1/2022
vol. 18
 
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abstract:
Original paper

Should we change our carotid stenting technique? Does balloon postdilatation increase periprocedural cranial embolism? A diffusion-weighted magnetic resonance imaging study

Erkan Köklü
1
,
Şakir Arslan
1
,
Ramazan Güven
2

1.
Cardiology Department, Antalya Education and Research Hospital, University of Health Sciences, Antalya, Turkey
2.
Emergency Medicine Clinic, Başakşehir Çam and Sakura City Hospital, Istanbul, Turkey
Adv Interv Cardiol 2022; 18, 1 (67): 58–64
Online publish date: 2022/04/11
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Introduction
Silent cranial embolism has been demonstrated to cause dementia, cognitive decline and even ischemic stroke.

Aim
To compare the periprocedural asymptomatic cranial embolism rates of classical carotid artery stenting (CAS) and non-classical CAS methods using cranial diffusion-weighted magnetic resonance imaging (DW-MRI).

Material and methods
367 clinically uncomplicated patients who underwent CAS at our center between December 2010 and June 2020 (mean age: 69.3 ±11.9) were analyzed retrospectively. The patients were divided into 2 groups, classical CAS (130 patients) and non-classical CAS (237 patients). Classical CAS patients were defined as those who received a stent after suboptimal balloon dilatation (with a 3.0–4.0 mm balloon at 8–10 atmosphere (atm)) and underwent balloon postdilatation after stent deployment (with a 5.0–5.5 mm balloon at 8–10 atm). Non-classical CAS patients were defined as those in whom a stent was deployed after optimal balloon dilatation (with a 4.0–5.0 mm balloon at 10–14 atm) and did not undergo balloon postdilatation.

Results
Periprocedural asymptomatic ipsilateral microembolism on cranial DW-MRI was detected in 25 (10.5%) patients in the non-classical CAS group and 24 (18.5%) in the classical CAS group. This difference between the two groups was found to be statistically significant (p = 0.033).

Conclusions
The rate of ipsilateral asymptomatic cranial embolism detected on cranial DW-MRI was lower in the CAS procedures in which optimal predilatation was performed but postdilatation after stent deployment was not performed compared to the CAS procedures in which suboptimal predilatation and postdilatation after stent deployment were performed.

keywords:

carotid artery stenting, cranial embolism, new ischemic cerebral lesions, balloon predilatation, diffusion-weighted magnetic resonance imaging

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