Troponin-I elevation predicts outcome after thrombolysis in ischemic stroke patients

Abstract Background Prognostic significance of troponin-I (T-I) elevation for poor short-term outcome in thrombolyzed ischemic stroke patients remains uncertain. Objectives To evaluate its role as a predictive biomarker of short-term outcome in thrombolyzed ischemic stroke patients. Methods This study included 72 acute ischemic stroke patients who were treated with intravenous thrombolytic therapy. All patients were subjected to clinical assessment and measurement of serum T-I level on admission. Outcome was assessed 3 months after stroke onset using the National Institute of Health Stroke Scale (NIHSS) and modified Rankin scale. Results Thirteen patients had elevated serum T-I level (group 1) and the remaining 59 were classified as group 2. Group 1 had a higher statistically significant older age, history of diabetes mellitus (DM), previous stroke, atrial fibrillation (AF), and admission NIHSS score, with significant decrease in high-density lipoprotein cholesterol (P < 0.05). Regarding the outcome of both groups, good outcome was significantly less common among group 1. Also, death was significantly more common among group I. Poor outcome in group 1 were significantly associated with older age, DM, AF, elevated serum T-I level at admission, and higher admission NIHSS score (P = 0.03, 0.04, 0.02, 0.05, and 0.001 respectively). The predictors of poor outcome in group 1 were elevated serum T-I level at admission, higher admission NIHSS score, and DM (P = 0.001, 0.02, and 0.05 respectively). Conclusion Elevated serum T-I levels on admission is a reliable prognostic predictor of poor outcome in thrombolyzed ischemic stroke patients. Trial registration ClinicalTrials.gov NCT03925298 (19 April 2019) “retrospectively registered,”

Abstract licence: CC BY-NC-ND

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