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Beom Joon Kim 1 Article
Presence of Thrombectomy-capable Stroke Centers Within Hospital Service Areas Explains Regional Variation in the Case Fatality Rate of Acute Ischemic Stroke in Korea
Eun Hye Park, Yong Jin Gil, Chanki Kim, Beom Joon Kim, Seung-sik Hwang
J Prev Med Public Health. 2021;54(6):385-394.   Published online October 22, 2021
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AbstractAbstract AbstractSummary PDFSupplementary Material
This study aimed to explore the status of regional variations in acute ischemic stroke (AIS) treatment and investigate the association between the presence of a thrombectomy-capable stroke center (TSC) and the case fatality rate (CFR) of AIS within hospital service areas (HSAs).
This observational cross-sectional study analyzed acute stroke quality assessment program data from 262 hospitals between 2013 and 2016. TSCs were defined according to the criteria of the Joint Commission. In total, 64 HSAs were identified based on the addresses of hospitals. We analyzed the effects of structure factors, process factors, and the presence of a TSC on the CFR of AIS using multivariate logistic regression.
Among 262 hospitals, 31 hospitals met the definition of a TSC. Of the 64 HSAs, only 20 had a TSC. At hospitals, the presence of a stroke unit, the presence of stroke specialists, and the rate of endovascular thrombectomy (EVT) treatment were associated with reductions in the CFR. In HSAs, the rate of EVT treatment (odds ratio [OR], 0.98; 95% confidence interval [CI], 0.97 to 0.99) and the presence of a TSC (OR, 0.93; 95% CI, 0.88 to 0.99) significantly reduced the CFR of AIS.
The presence of a TSC within an HSA, corresponding to structure and process factors related to the quality of care, contributed significantly to lowering the CFR of AIS. The CFR also declined as the rate of treatment increased. This study highlights the importance of TSCs in the development of an acute stroke care system in Korea.
Korean summary
혈관 내 재개통술(endovascular thrombectomy, EVT)는 많은 전문인력과 장비등 상당한 자원을 필요로 하는 특성으로 인해 상대적으로 자원이 부족한 지역에 치료 공백이 발생할 수 있다. EVT 가능 병원(Thrombectomy capable stroke center, TSC)를 "연간 EVT 15회 이상 시행, 뇌졸중 전문치료실 운영 그리고 뇌졸중 관련 전문의(신경과, 신경외과, 재활의학과)가 모두 근무하는 병원으로 정의하고 진료권 단위로 분석한 결과 진료권 내 TSC의 존재는 허혈성 뇌졸중 환자군의 치명률를 유의하게 감소시켰다. 그러므로 급성 허혈성 뇌졸중 치료의 지역 간 변이를 줄이기 위해서 진료권 내 TSC 를 정의하고 설치하는 것의 중요하며, 이러한 결과는 향후 70개 진료권 단위 지역책임의료기관을 구축하는 과정에 중요한 근거자료로 활용될수 있을 것이다.


Citations to this article as recorded by  
  • Regional variation in access to and quality of acute stroke care: results of Germany’s Health System Performance Assessment pilot, 2014–2020
    P. Hengel, U. Nimptsch, M. Blümel, K. Achstetter, R. Busse
    Research in Health Services & Regions.2024;[Epub]     CrossRef
  • Patterns in the number of interventionalists for endovascular treatment of acute ischemic stroke in the US
    Ankita Tripathi, Laura K. Stein, Mandip S. Dhamoon
    Journal of Stroke and Cerebrovascular Diseases.2023; 32(2): 106943.     CrossRef
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    International Journal of Environmental Research and Public Health.2023; 20(3): 2232.     CrossRef
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    Asia Pacific Journal of Public Health.2023;[Epub]     CrossRef
  • COVID-19 case-fatality variations with application to the Middle East countries
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    GeoJournal.2022; 88(1): 1127.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health