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  • Title: Surgical managements and patient outcomes after severe hemorrhagic events from brainstem cavernous malformations.
    Author: Xie S, Xiao XR, Xiao SW, Xie MX, Zhang JT, Wu Z, Zhang LW.
    Journal: Neurosurg Rev; 2021 Feb; 44(1):423-434. PubMed ID: 31897885.
    Abstract:
    To evaluate the surgical outcomes and predictors and the impact of surgical timing of patients who suffered a severe hemorrhagic event from brainstem cavernous malformations (CMs). The clinical data of all patients who underwent surgical treatment after a severe bleeding ictus from brainstem CMs between 2011 and 2017 were retrospectively reviewed. The study population consisted of 61 surgical patients (40, 65.6% female). Surgical times of < 3 weeks, ≥ 3-8 weeks, and > 8 weeks since the last bleeding ictus were observed in 23 (37.7%), 24 (39.3%), and 14 (23.0%) patients, respectively. The mean modified Rankin scale (mRS) score evaluated on admission was 4.2. With a mean follow-up of 39.8 months, 39 patients (63.9%) had a favorable outcome (mRS ≤ 2), and the mean mRS score was 2.3. The logistic regression analysis identified age, having disrupted consciousness and/or respiration, and time to surgery from last hemorrhage as significant predictors of long-term outcome. In particular, patients with surgery performed during the acute period (< 3 weeks, P = 0.06) or chronic period (> 8 weeks, P = 0.01) tended to have poor outcomes when compared with those with surgery during the subacute period (≥ 3-8 weeks). Favorable neurological outcomes can be achieved in patients who were surgically treated after a severe hemorrhagic ictus from brainstem CMs, and operation during subacute hemorrhage (≥ 3-8 weeks) could benefit these patients.
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