Korean Journal of Radiology

  • 제21권1호
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  • Pages.101-107
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  • 2020
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  • 1229-6929(pISSN)
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  • 2005-8330(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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Predictors of Catastrophic Outcome after Endovascular Thrombectomy in Elderly Patients with Acute Anterior Circulation Stroke

  • Younsu Ahn (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital) ;
  • Seul Kee Kim (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital) ;
  • Byung Hyun Baek (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital) ;
  • Yun Young Lee (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital) ;
  • Hyo-jae Lee (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital) ;
  • Woong Yoon (Department of Radiology, Chonnam National University Medical School, Chonnam National University Hospital)
  • 투고 : 2019.06.17
  • 심사 : 2019.08.22
  • 발행 : 2020.01.01
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초록

Objective: Avoiding a catastrophic outcome may be a more realistic goal than achieving functional independence in the treatment of acute stroke in octogenarians. This study aimed to investigate predictors of catastrophic outcome in elderly patients after an endovascular thrombectomy with an acute anterior circulation large vessel occlusion (LVO). Materials and Methods: Data from 82 patients aged ≥ 80 years, who were treated with thrombectomy for acute anterior circulation LVO, were analyzed. The association between clinical/imaging variables and catastrophic outcomes was assessed. A catastrophic outcome was defined as a modified Rankin Scale score of 4-6 at 90 days. Results: Successful reperfusion was achieved in 61 patients (74.4%), while 47 patients (57.3%) had a catastrophic outcome. The 90-day mortality rate of the treated patients was 15.9% (13/82). The catastrophic outcome group had a significantly lower baseline diffusion-weighted imaging-Alberta stroke program early CT score (DWI-ASPECTS) (7 vs. 8, p = 0.014) and a longer procedure time (42 minutes vs. 29 minutes, p = 0.031) compared to the non-catastrophic outcome group. Successful reperfusion was significantly less frequent in the catastrophic outcome group (63.8% vs. 88.6%, p = 0.011) compared to the non-catastrophic outcome group. In a binary logistic regression analysis, DWI-ASPECTS (odds ratio [OR], 0.709; 95% confidence interval [CI], 0.524-0.960; p = 0.026) and successful reperfusion (OR, 0.242; 95% CI, 0.071-0.822; p = 0.023) were independent predictors of a catastrophic outcome. Conclusion: Baseline infarct size and reperfusion status were independently associated with a catastrophic outcome after endovascular thrombectomy in elderly patients aged ≥ 80 years with acute anterior circulation LVO.

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참고문헌

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