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| Evaluation of the Efficacy of Different Doses of rt-PA Intravenous Thrombolysis Combined with Rosuvastatin in the Emergency Treatment of Ischemic Stroke |
| LI Chunxia, MI Jingjing |
| Yulin Hospital, First Affiliated Hospital of Xi'an Jiaotong University, Shaanxi Yulin 719000, China |
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Abstract Objective: To analyze the efficacy of combined application of intravenous thrombolysis with different doses of recombinant tissue plasminogen activator (rt-PA) and rosuvastatin in the ischemic stroke emergency treatment. Methods: Two hundred and ten patients with ischemic stroke in the hospital were enrolled between July 2021 and July 2024, and were divided into low-dose group (n=108, 0.6mg/kg) and high-dose group (n=102, 0.9mg/kg) according to the dose of rt-PA. The efficacy in the two groups was evaluated. The coagulation indexes, neurological function and activities of daily living were compared between both groups before and after treatment, and the safety was assessed. Results: The total effective rate in the low-dose group with 90.74% was not statistically different from 83.33% in the high-dose group (P>0.05). At 7 days after treatment, the fibrinogen (Fib) level in the two groups was reduced while the D-dimer (D-D) level was enhanced (P<0.05). There was no statistical significance in the difference value of Fib level before and after treatment between the low-dose group and the high-dose group (P>0.05), but the difference value of D-D level before and after treatment in the low-dose group was higher in comparison with the high-dose group (P<0.05). A statistical difference was exhibited in the National Institutes of Health Stroke Scale (NIHSS) score at different time points (P<0.05), and the NIHSS score revealed no statistical difference between the two groups (P>0.05), and the interaction effect between time-point and group was not statistically significant (P>0.05). The barthel index was statistically different at different time points (P<0.05). The barthel index revealed no statistical difference between groups (P>0.05), and no statistical significance was found in the interaction effect between time-point and group (P>0.05). The incidence rates of complications were lower in the low-dose group compared to the high-dose group (P<0.05). Conclusion: The efficacy of low-dose rt-PA intravenous thrombolysis combined with rosuvastatin and its effects on coagulation function, neurological function and activities of daily living in the emergency treatment of ischemic stroke are comparable to those of high-dose group. However, compared with high-dose rt-PA, low-dose rt-PA intravenous thrombolysis has higher safety.
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2025, Vol. 31 
