Endoluminal repair of internal carotid artery aneurysm

A feasible but hazardous procedure

J. May*, G. H. White, R. Waugh, J. Brennan

*Corresponding author for this work

    Research output: Contribution to journalArticle

    68 Citations (Scopus)

    Abstract

    Purpose: The aim of this study was to report the repair of an aneurysm of the internal carotid artery using the endoluminal method. Methods: A 70- year-old male patient noted a swelling in the right side of his neck 22 years after endarterectomy of the right internal carotid artery. Duplex ultrasound confirmed the clinical diagnosis of aneurysm of the internal carotid artery. Further investigation included contrast-enhanced computed tomographic (CT) scanning and carotid angiography performed via a retrograde femoral approach. The aneurysm contained thrombus and was 3 cm in diameter and in length. It extended superiorly from a point 0.5 cm above the carotid bifurcation to a point estimated to be 2 cm from the base of the skull. Repair of the aneurysm was undertaken using the endoluminal method. A self-expanding endograft 8 mm in diameter and 4 cm in length was introduced through a 12F sheath in the common carotid artery. An on-table completion angiogram of the right-sided extracranial carotid arteries, and the intracranial internal carotid artery and branches was obtained. Results: The completion angiogram and postoperative CT scan confirmed exclusion of the aneurysm sac from the circulation. The patient awoke from anesthesia with complete paralysis of the left arm. Recovery of movement commenced 1 hour later. A brain CT scan demonstrated the event to be an embolic stroke. Strength had returned by 7 days. Function of the arm was good 1 month after operation, but coordination for fine movements was lacking. At the 6-month follow-up, good arm function was maintained. A duplex ultrasound scan demonstrated not only continued exclusion of the aneurysm sac but occlusion of the endograft, also. Conclusions: Endoluminal repair of aneurysms of the internal carotid artery is feasible but carries the risk of major morbidity as a result of peripheral embolization and early occlusion of the endograft.

    Original languageEnglish
    Pages (from-to)1055-1060
    Number of pages6
    JournalJournal of Vascular Surgery
    Volume26
    Issue number6
    DOIs
    Publication statusPublished - 1997

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