Direct carotid exposure approach in the treatment of anterior circulation unruptured intracranial aneurysms for elderly patients

Abstract

Background and purpose

The direct carotid exposure approach (DCEA) is a technical option for elderly patients with severe vessel tortuosity due to arteriosclerosis. We evaluated complications related to antiplatelet/anticoagulant management and compared the DCEA to standard transfemoral/transbrachial approaches (TFBA) in the treatment of unruptured intracranial aneurysms for elderly patients.

Methods

From August 2017 to August 2020, 52 patients (53 procedures) aged over 75 years with unruptured aneurysms in the anterior circulation were treated at our institution. All patients received dual antiplatelet drugs before the procedure. Eleven patients (21.2%) (12 procedures) were treated with the DCEA. The rest were treated with TFBA. The main indication of the DCEA was an unfavorable aortic arch or vessel tortuosity. Complications and the duration of the procedure were compared between the two groups.

Results

There were no significant differences between the two groups in age, aneurysm location, preoperative antiplatelet use, heparin use, or maximum activated clotting time (ACT) values. All endovascular treatments were successfully performed by DCEA. Among all parameters, the DCEA group had only bigger average aneurysm diameter (14 mm) and higher number of pipeline embolic device (PED) placement (58%). Time to the guiding-catheter placement was not significantly different between the groups (DCEA vs TFBA = 31.0 min vs 24.7 min, p = 0.178).　No significant complications of DCEA, such as subcutaneous hematomas, were observed.　

Conclusion

Even with the use of antiplatelet and anticoagulation therapy, the DCEA can be performed safely for unruptured aneurysms in elderly patients.

Keywords

Direct carotid exposure approach unruptured aneurysm coil embolization pipeline embolic device flow diverter elderly vessel tortuosity

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