Abstract
Pseudoaneurysms (PSAs) of the internal carotid artery (ICA) are uncommon lesions. Various surgical and endovascular options are available for the management of these lesions. We describe our experience in using a spectrum of endovascular management strategies for ICA-PSA and present their outcome. To evaluate the role and efficacy of endovascular intervention in the management of ICA PSA. The clinical and angiographic data of 20 ICA PSAs from January 2008 till July 2016 were reviewed retrospectively. A meticulous evaluation of all the patients regarding their clinical symptoms, imaging findings (Ultrasound Doppler/CTA/MRI) and the endovascular techniques was performed. Clinical and imaging follow up for at least 1 year was also assessed. There were 15 (75%) male and 5 (25%) female patients, with their age ranging from 11 months to 60 years. Eleven patients (55%) were of the paediatric age group. PSAs were seen in the cervical ICA in 12 patients (60%) and in the intracranial ICA in 8 patients (40%). The most common causes of PS formation were iatrogenic (n = 8), followed by trauma (n = 7), and infection (n = 5). Parent artery occlusion was performed in 10 patients (50%), stenting in 7 patients (35%), and PSA coiling in 3 patients (15%). Immediate and complete obliteration of the PSAs was achieved in all cases without any major procedural complication. Recurrence was diagnosed at 2 years, in one patient who had undergone parent artery occlusion. This was successfully retreated. None of our patients had immediate or delayed major neurological deficits. Endovascular treatment provides a safe and minimally invasive management option in patients with ICA PSA. It helps in the prevention of rupture of the PS and also its thromboembolic complications.
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