Mechanical thrombectomy for internal carotid artery occlusion beyond a large paraclinoid aneurysm

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2024年10月14日

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Yuya Kobayashi,
Yoshikazu Kusano,
Gen Watanabe,
Ken Yamazaki,
Shuichi Hirayama,
Yasufumi Kondo,
Kanji Yamamoto,
Yoshiki Sekijima

摘要

Background

With the launch of mechanical thrombectomy (MT), the prognosis of patients with cerebral infarction associated with large-vessel occlusion has improved. However, good outcomes are still not achieved in a few patients because of technical difficulties.

Case presentation

A 79-year-old Japanese woman was admitted with sudden-onset left hemiplegia. Tissue plasminogen activator was administered and MT was performed for internal carotid artery occlusion distal to a large paraclinoid aneurysm. Some technical difficulties were unique, including contrast agent retention, difficulty in guiding the system, and avoidance of rupture of the aneurysm. Here, we discuss the technical issues and solutions of the MT procedure employed in this case.

Conclusions

The procedure used in flow-diverter devices should be referenced and a stent-retrieving into an aspiration catheter with proximal balloon technique may be the most appropriate method.