Single versus Double Layer Stent Technique in Endovascular Treatment of Significant Carotid Artery Stenosis

Document Type : Original Article

Authors

1 Neurology, faculty of medicine, alazher university new damitta

2 Department of Neurology, Faculty of Medicine, Al-Azhar university, Cairo, Egypt

3 Neurology faculty of medicine alazher university

4 Department of neurology, Faculty of Medicine, Al-Azhar university, Cairo, Egypt.

Abstract

Background: The carotid arteries[carotids], which branch off in the neck into the internal and external carotid arteries, are responsible for supplying oxygenated blood to the head and neck. The current work aimed to compare a double carotid stent to a single layer with respect to the safety & prognosis profile of elective carotid stenosis with elevated grade in both symptomatic & asymptomatic cases.
Patients and Methods: This research used an open-label, retrospective design. center research that was conducted on 65 patients over a period of two years at Al-Hussein University Hospital, Cairo, Egypt.  
Results: The stenosis was mainly on the left side in both single and double stent groups [59.7% and 57.57%]. The single group used Wall type [For all patients in this group] while double group used Casper type of stents for all patients also in the group. Filer was used in minority of patients in both single and double stent groups [6.06% vs 3.03%]. No significant difference in complications, follow-up modified Rankin scale [mRS], or side of stenosis between single and double stent groups. However, the re-occlusion was significantly higher in the double than single stent groups [21.21% vs 3.13%]. Otherwise, both groups were comparable regarding complications related to the procedure or angioplasty.
Conclusion: Both single layer stent and protected stenting with micromesh Casper stent showed good safety and efficacy in the treatment of carotid stenosis with a low incidence of re-occlusion. These preliminary data require confirmation from larger, randomized and prospective studies.

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