1. Thrombectomy is a surgical procedure used to remove a blood clot from a blood vessel.
血栓切除术是一种手术方法，用于清除血管中的血栓。

2. The patient underwent a thrombectomy to prevent further complications from the blood clot.
为了防止血栓引起更严重的并发症，该患者接受了血栓切除术。