Predictors of a Good Outcome in Endovascular Treatment for Basilar Artery Occlusion with a Direct Aspiration First-Pass Technique

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  • Sakurai Suguru
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Ogino Tatsuya
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Tatsuta Yasuyuki
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Shindo Kouichiro
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Endo Hideki
    Department of Neurosurgery, Nakamura Memorial South Hospital, Sapporo, Hokkaido, Japan
  • Kamiyama Kenji
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Osato Toshiaki
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan
  • Nakamura Hirohiko
    Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Hokkaido, Japan

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<p>Objective: There is limited evidence for mechanical thrombectomy in patients with basilar artery occlusion. Despite recanalization, there are several reports on poor outcomes. Therefore, we retrospectively evaluated the outcomes and examined the predictors of mechanical thrombectomy in patients with basilar artery occlusion.</p><p>Methods: We recruited 22 consecutive patients who had received mechanical thrombectomy for basilar artery occlusion with a direct aspiration first-pass technique at our hospital between January 2016 and April 2020. The subjects were divided into good (modified Rankin Scale [mRS] ≤2) and poor outcome groups (mRS ≥3) and compared with one another. We conducted ROC analysis to identify the cut-off value that revealed a statistically significant difference in the univariate analysis.</p><p>Results: Of the 22 patients, the average age ± standard deviation (SD), median pretreatment NIHSS (interquartile range [IQR]), and median pretreatment posterior circulation acute stroke progression early CT score (pc-ASPECTS) (IQR) were 76 ± 10 years, 21 (8–31), and 8 (5–9), respectively. The predictors that showed statistically significant differences in the univariate analysis were age, pretreatment NIHSS score, and pretreatment pc-ASPECTS. Based on the ROC analysis, age (area under the curve [AUC] of 0.782, cutoff <74, and P = 0.028), pretreatment pc-ASPECTS (AUC of 0.850, cutoff ≥7, and P = 0.006), and pretreatment NIHSS (AUC of 0.803, cutoff <19, and P = 0.018) were significant prognostic factors.</p><p>Conclusion: In this study, aged <74 years, pc-ASPECTS ≥7, and NIHSS <19 were significant prognostic factors in endovascular treatment for basilar artery occlusion with a direct aspiration first-pass technique.</p>

収録刊行物

  • 脳神経血管内治療

    脳神経血管内治療 16 (3), 135-140, 2022

    特定非営利活動法人 日本脳神経血管内治療学会

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