NGHIÊN CỨU LIÊN QUAN GIỮA ĐẶC ĐIỂM HUYẾT KHỐI TRÊN CHỤP CẮT LỚP VI TÍNH VÀ HIỆU QUẢ CỦA CAN THIỆP LẤY HUYẾT KHỐI TRONG ĐỘT QUỴ NÃO CẤP

Abstract

thrombus on CT scans of patients with acute ischemic stroke who underwent thrombectomy and determine the correlation between imaging features of thrombus and the effectiveness of thrombectomy. Materials and Methods: A descriptive study of a series of cases of patients with anterior circulation ischemic stroke who underwent cranial computed tomography and received interventional thrombectomy with mechanical devices at Cho Ray Hospital from March 2023 to March 2025. Results: 40 patients were included in the study with an average age of 65.3 ± 13.4 years, male/female ratio = 1/1. On CT images, thrombus was mainly localized in the distal M1 segment (65%), with a median absolute density of 46 HU (IQR: 41–52), relative density of 1.16 (IQR: 1.05–1.32), median permeability of 11 (IQR: 6.5–20), of which 52.5% of thrombus was permeable. The median thrombus length was 10 mm (IQR: 7–13 mm) and the median distance from the ICA end to the thrombus was 11.3 ± 6.7 mm. Thrombus permeability was positively correlated with recanalization results (p = 0.045), while other features did not show a statistically significant association with recanalization efficiency and procedure time. Conclusion: Thrombus permeability characteristics associated with higher recanalization efficiency in mechanical thrombectomy should be considered in imaging results as they may help clinicians make treatment decisions.