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- Title
Serum soluble lectin‐like oxidized low‐density lipoprotein receptor‐1 as a biomarker of delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage.
- Authors
Lin, Qun; Ba, Hua‐Jun; Dai, Jun‐Xia; Sun, Jun; Lu, Chuan; Chen, Mao‐Hua; Chen, Xian‐Dong; Cai, Jian‐Yong
- Abstract
Objective: Delayed cerebral ischemia (DCI) greatly contributes to the high morbidity and mortality of aneurysmal subarachnoid hemorrhage (aSAH) patients. Expression of lectin‐like oxidized low‐density lipoprotein receptor‐1 (LOX‐1) was substantially raised in the basilar arterial wall of SAH rabbits. We attempted to ascertain the relationship between serum soluble LOX‐1 (sLOX‐1) levels and the occurrence of DCI after aSAH. Materials and methods: We enrolled 125 aSAH patients and 125 healthy controls. Serum sLOX‐1 levels were quantified using commercial enzyme‐linked immunosorbent assay kit. The relationship between sLOX‐1 levels and DCI was analyzed utilizing the multivariate logistic regression analysis. Results: Serum sLOX‐1 levels were significantly higher in stroke patients than in controls (median: 1,450.2 vs. 445.7 pg/ml, p <.001). Serum sLOX‐1 levels were highly correlated with World Federation of Neurological Surgeons (WFNS) scores, Hunt‐Hess scores, and modified Fisher scores (r =.574,.625, and.569, respectively). Forty‐two patients (33.6%) experienced DCI. Serum sLOX‐1 > 1,450.2 pg/ml, WFNS scores and modified Fisher scores were the independent predictors of DCI. Under receiver operating characteristic curve, serum sLOX‐1 levels exhibited a significant discriminatory capability (area under curve 0.825, 95% confidence interval 0.747–0.887). The predictive power of serum sLOX‐1 levels was similar to those of WFNS scores and modified Fisher grade (both p >.05). Moreover, serum sLOX‐1 levels significantly improved their predictive capability (both p <.05). Conclusions: Serum soluble LOX‐1, in positive association with hemorrhagic severity, appears to have the potential to become a promising predictor of DCI after aSAH.
- Subjects
CEREBRAL ischemia; SUBARACHNOID hemorrhage; RECEIVER operating characteristic curves; ENZYME-linked immunosorbent assay; LOGISTIC regression analysis
- Publication
Brain & Behavior, 2020, Vol 10, Issue 2, pN.PAG
- ISSN
2162-3279
- Publication type
Article
- DOI
10.1002/brb3.1517