Association between Peripheral Arterial Lactate Levels and Malignant Brain Edema Following Endovascular Treatment for Ischemic Stroke

Author:

Wang Huiyuan12,Yuan Ruozhen1,Shen Panpan1,Yu Xinyue3,Chen Xinyi1,Shang Yafei12,Xu Jie1,Tan Mingming4,Zhang Sheng1,Geng Yu12

Affiliation:

1. Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, China

2. Department of Clinical Medicine, Bengbu Medical College, Bengbu, Anhui, China

3. Alberta Institute, Wenzhou Medical University, Wenzhou, Zhejiang, China

4. Department of Quality Management, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, China

Abstract

Aims: To investigate the factors of postoperative malignant brain edema (MBE) in patients with acute ischemic stroke (AIS) treated with endovascular treatment (EVT). Background: MBE is a severe complication following EVT for AIS, and it is essential to identify risk factors early. Peripheral arterial lactate (PAL) levels may serve as a potential predictive marker for MBE. Objective: To determine whether immediate postoperative PAL levels and the highest PAL level within 24 hours of EVT are independently associated with MBE development in AIS patients. Methods: We retrospectively analyzed patients with AIS who underwent EVT from October 2019 to October 2022. Arterial blood was collected every 8 h after EVT to measure PAL, and record the immediate postoperative PAL and the highest PAL level within 24 h. Brain edema was evaluated using brain computed tomography scans within 7 days of EVT. Results: The study included 227 patients with a median age of 71 years, of whom 59.5% were male and MBE developed in 25.6% of patients (58/227). Multivariate logistic regression analysis showed that the immediate postoperative PAL (odds ratio, 1.809 [95% confidence interval (CI), 1.215-2.693]; p = 0.004) and the highest PAL level within 24 h of EVT (odds ratio, 2.259 [95% CI, 1.407-3.629]; p = 0.001) were independently associated with MBE. The area under the curve for predicting MBE based on the highest PAL level within 24 hours of EVT was 0.780 (95% CI, 0.711-0.849). Conclusion: Early increase in PAL levelsis an independent predictor of MBE after EVT in AIS patients.

Publisher

Bentham Science Publishers Ltd.

Subject

Cellular and Molecular Neuroscience,Developmental Neuroscience,Neurology,Neurology (clinical)

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