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Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study

  • Authors:
    • Yaozhi Hu
    • Haifei Zheng
    • Xiaohui Chen
    • Zongen Gao
  • View Affiliations / Copyright

    Affiliations: Department of Neurology, Shengli Oilfield Central Hospital, Dongying, Shandong 257000, P.R. China, Department of International Special Needs Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong 257000, P.R. China, Department of Neurology, Shengli Oilfield Central Hospital, Dongying, Shandong 257000, P.R. China
    Copyright: © Hu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 8
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    Published online on: March 1, 2022
       https://doi.org/10.3892/mi.2022.33
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Abstract

At present, recombinant tissue‑type plasminogen activator (rt‑PA) thrombolytic therapy is widely used in patients with acute ischemic stroke within 4.5 h following stroke onset. However, the efficacy of intravenous alteplase thrombolytic therapy for posterior circulation stroke (PCS) has been rarely described. The present study aimed to predict the outcome of patients with PCS following rt‑PA thrombolytic therapy in a more efficient manner. Data were collected from patients who had suffered from posterior circulation ischemic stroke, who had been treated with rt‑PA over a period of 4 years (2016‑2020), and had been treated at a stroke center. All patients were treated with alteplase at a standard dose of 0.9 mg/kg. According to the onset to needle time (ONT), these patients were divided into the 0‑3 and 3‑4.5 h groups, and the National Institutes of Health Stroke Scale (NIHSS) score was compared before thrombolysis and at 24 h after thrombolysis. Subsequently, the patients with acute PCS whose ONT was ≤3 h were divided into the NIHSS score >3 points and NIHSS score ≤3 points groups, and the NIHSS score improvement rate was compared 24 h later. A total of 989 patients were included in the study; there were 783 patients with acute anterior circulation stroke (ACS) and 203 patients with acute PCS (of note, 2 patients had negative results from brain magnetic resonance imaging); 63 patients were treated with urokinase (UK) thrombolysis and 140 patients were treated with alteplase intravenous thrombolysis. The 140 patients that received alteplase thrombolytic therapy were divided into two groups, namely the ≤3 h group and 3‑4.5 h group, which, on the basis of the ONT, no significant differences were found between the two the groups according to the NIHSS score before thrombolysis (P>0.05). The NHISS scores in the ≤3 h group were significantly lower than those in the 3‑4.5 h group following thrombolysis therapy, and the differences between the two groups were statistically significant (P<0.05); the patients with acute PCS treated with rt‑PA in the ≤3 h group were divided into the NIHSS score ≤3 points group and the NIHSS score >3 points group. In this ≤3 h group, the average NIHSS score improvement rate following rt‑PA thrombolysis was 0.535 (53.5%) in the NIHSS score ≤3 points group and that in the NIHSS score >3 points group was 0.336 (33.6%); the difference between the two groups was statistically significant (P<0.05). The patients treated with intravenous alteplase thrombolysis within 3 h following stroke onset benefited more than those treated with thrombolysis therapy within 3 to 4.5 h after stroke onset. On the whole, the present study demonstrates that the patients with mild stroke (NIHSS score ≤3 points) who were treated at an earlier stage (received alteplase thrombolysis therapy within 3 h after stroke onset) benefited to a greater extent from the therapy.
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Spandidos Publications style
Hu Y, Zheng H, Chen X and Gao Z: Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study. Med Int 2: 8, 2022.
APA
Hu, Y., Zheng, H., Chen, X., & Gao, Z. (2022). Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study. Medicine International, 2, 8. https://doi.org/10.3892/mi.2022.33
MLA
Hu, Y., Zheng, H., Chen, X., Gao, Z."Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study". Medicine International 2.2 (2022): 8.
Chicago
Hu, Y., Zheng, H., Chen, X., Gao, Z."Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study". Medicine International 2, no. 2 (2022): 8. https://doi.org/10.3892/mi.2022.33
Copy and paste a formatted citation
x
Spandidos Publications style
Hu Y, Zheng H, Chen X and Gao Z: Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study. Med Int 2: 8, 2022.
APA
Hu, Y., Zheng, H., Chen, X., & Gao, Z. (2022). Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study. Medicine International, 2, 8. https://doi.org/10.3892/mi.2022.33
MLA
Hu, Y., Zheng, H., Chen, X., Gao, Z."Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study". Medicine International 2.2 (2022): 8.
Chicago
Hu, Y., Zheng, H., Chen, X., Gao, Z."Rt‑PA thrombolytic therapy in patients with acute posterior circulation stroke: A retrospective study". Medicine International 2, no. 2 (2022): 8. https://doi.org/10.3892/mi.2022.33
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