Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Real-World Impact of Modern Reperfusion Therapy for Acute Ischemic Stroke : A Nationwide Population-Based Data Study in Korea

  • Yung Ki Park (Department of Neurosurgery, Uijeongbu Eulji Medical Center, Eulji University College of Medicine) ;
  • Byul-Hee Yoon (Department of Neurosurgery, Uijeongbu Eulji Medical Center, Eulji University College of Medicine) ;
  • Yu Deok Won (Department of Neurosurgery, Hanyang University Guri Hospital) ;
  • Jae Hoon Kim (Department of Neurosurgery, Nowon Eulji Medical Center, Eulji University College of Medicine) ;
  • Hee In Kang (Department of Neurosurgery, Nowon Eulji Medical Center, Eulji University College of Medicine)
  • Received : 2023.06.22
  • Accepted : 2023.10.04
  • Published : 2024.03.01
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Abstract

Objective : The treatment paradigm for acute ischemic stroke has undergone several major changes in the past decade, contributing to improved patient prognosis in clinical practice. However, the extent to which these changes have affected patient prognosis in the real-world is yet to be clarified. This study aimed to evaluate the real-world impact of modern reperfusion therapy for acute ischemic stroke using data from the National Health Insurance Service in Korea. Methods : This study included patients aged 18-80 years who were admitted via the emergency room with an I63 code between 2011 and 2020. The rates of intravenous thrombolysis use and endovascular treatment according to the year of admission were investigated. Furthermore, the rates of decompressive craniectomy and 3-month mortality were also analyzed. The 10-year observational period was divided into three periods based on the 2015 guideline change as follows : prior, 2011-2014; transitional, 2015-2016; and modern, 2017-2020. Results : A total of 307117 patients (mean age, 65.7±10.9 years) were included, and most patients were male (59.7%). The rate of endovascular treatment gradually increased during the study period from 0.71% in the prior period to 1.32% in the transitional period and finally to 1.85% in the modern period. Meanwhile, the 3-month mortality rate gradually decreased from 4.78% in the prior period to 4.03% in the transitional period and to 3.71% in the modern period. Conclusion : In Korea, the mortality rate decreased as the rate of modern reperfusion therapy increased in patients with acute ischemic stroke. Overall, technical and scientific advances in reperfusion therapy have improved the outcome of patients with acute ischemic stroke in Korea.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2022R1G1A1010805).

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