ABSTRACT

Objective

Internal carotid artery (ICA) aneurysms constitute an important subset of cerebral aneurysms. Endovascular treatment interventions are progressively increasing with the advancements in technology. In many developed countries, it is increasingly becoming the preferred minimally invasive approach for the treatment of cerebral aneurysms. In this study, our aim was to examine the efficacy of endovascular interventions in treating ICA aneurysms, utilizing the experience gained from patients with ICA aneurysms who underwent endovascular intervention in our clinic.

Material and Methods

The study included 98 patients with ICA aneurysms who were admitted to our clinic between 2016 and 2022 and underwent treatment using the endovascular method. The occlusion rates of aneurysms were evaluated using the Raymond-Roy occlusion classification (RROC), while the scores of the patients on discharge were assessed using the modified Rankin Scale (mRS).

Results

Of the study patients, 57 were female, and 68 patients presented with subarachnoid hemorrhage. In 21 patients, only a flow-diverting stent was implanted, while 77 patients underwent coiling together with flow-diverting stent implantation. The modified Rankin Score on discharge was 0 in 73 patients, 1 in six patients, 3 in nine patients, and 4 in four patients. Six patients died. Of the remaining 92 patients, complete occlusion was observed at the six-month follow-up visit in 86 patients and six patients underwent flow-diverting stent placement with a second intervention.

Conclusion

At the end of our study, 81% of the patients were discharged with good results and the mortality rate was 6%. Complete occlusion was achieved in 87% of the patients. Endovascular treatment of ICA aneurysms is effective and safe. It can be considered as an alternative to surgical treatment in eligible patients.