Periprocedural Complications and Long-term Clinical Follow-up of Carotid Artery Angioplasty – Results from Practice

Czech version

Authors: D. Krajíčková ^1,2; A. Krajina ^1,2; Miroslav Lojík ^1,2; V. Chovanec ^1,2; J. Raupach ^1,2; I. Guňka ^1,3; M. Vališ ^1,2
Authors‘ workplace: Komplexní cerebrovaskulární centrum, LF UK a FN Hradec Králové ¹; Neurologická klinika, LF UK a FN Hradec Králové ²; Radiologická klinika, LF UK a FN Hradec Králové ³; Chirurgická klinika, LF UK a FN Hradec Králové ⁴
Published in: Cesk Slov Neurol N 2016; 79/112(3): 317-322
Category: Original Paper

Overview

Aim:
Carotid artery angioplasty is a preventive measure to decrease a risk of cerebral ischemia due to stenosis of the internal carotid artery bifurcation. To achieve this purpose, it is crucial that the procedure has a minimal risk of complications and its effect is long-lasting. The purpose of our study was to verify safety of carotid angioplasty and its long-term effect in clinical practice.

Material and method:
The study included 450 patients with 442 carotid artery stents and 8 plain carotid angioplasties since 1997. Complications occurring during the first three days after the procedure (periprocedural complications) and during long-term clinical and ultrasonographical follow-up (median 33 months) were recorded.

Results:
The risk associated with carotid angioplasty was low: in hospital mortality due to intracerebral hemorrhage was 0.5%, minor stroke occurred in 1.0%, transient ischemic attack in 2.4%. > 70% restenosis was found in 3.6% of the 76% of all patients who had long-term follow-up. Asymptomatic restenoses were 81%.

Conclusions:
Our results confirmed that carotid angioplasty is a safe method with beneficial long-term effect if it is done for appropriate indication and performed by a skilled intervention radiologist.

Key words:
carotid stenting – periprocedural complication – long-term follow-up – restenosis

The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study.

The Editorial Board declares that the manuscript met the ICMJE “uniform requirements” for biomedical papers.

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