Abstract:
:Inflammation plays a crucial role in the pathogenesis of stroke. This study aims to determine lipoprotein (a) [Lp(a)] levels in serum and to investigate their associations with stroke recurrence events in a 3-month follow-up study in patients with acute ischemic stroke (AIS). Serum Lp(a) levels were determined in 203 ischemic stroke patients and 120 normal controls at admission. The severity and clinical outcome of ischemic stroke patients were evaluated by the National Institutes of Health Stroke Scale (NIHSS). We followed the participants for a median of 3 months using a standard questionnaire to determine the stroke recurrence events. The correlation analysis and multiple linear regression analysis were performed. Compared with controls, serum Lp(a) levels were significantly increased in ischemic stroke patients than in controls. NIHSS scores and infarct volume were positively correlated with Lp(a) (P < 0.001). Finally, 34 patients (16.7%; 95% CI, 11.6-21.9%) had a stroke recurrence. Serum Lp(a) levels in patients with recurrent stroke were significantly higher as compared with those in patients without recurrent stroke (P < 0.001). In multivariate analysis, there was an increased risk of stroke recurrence associated with Lp(a) levels ≥300 mg/l (OR, 2.87; 95% CI, 1.98-4.32; P = 0.009) after adjusting for possible confounders. With an AUC of 0.872 (95% CI, 0.816-0.927), Lp(a) showed a significantly greater discriminatory ability to predict stroke recurrence as compared with NIHSS score (AUC, 0.782; 95% CI, 0.704-0.859; P < 0.01). Our findings suggest that elevated serum Lp(a) levels can predict the risk of early stroke recurrence in patients with first-ever ischemic stroke. Further research is needed to replicate these findings.
journal_name
Mol Neurobioljournal_title
Molecular neurobiologyauthors
Hong XW,Wu DM,Lu J,Zheng YL,Tu WJ,Yan Jdoi
10.1007/s12035-016-0346-9subject
Has Abstractpub_date
2018-01-01 00:00:00pages
718-726issue
1eissn
0893-7648issn
1559-1182pii
10.1007/s12035-016-0346-9journal_volume
55pub_type
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