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  • Title: Minimally invasive surgical evacuation for spontaneous cerebellar hemorrhage: a case series and systematic review.
    Author: Yoh N, Abou-Al-Shaar H, Bethamcharla R, Beiriger J, Mallela AN, Connolly ES, Sekula RF.
    Journal: Neurosurg Rev; 2023 Aug 23; 46(1):208. PubMed ID: 37612544.
    Abstract:
    Spontaneous cerebellar hemorrhage (scICH) is a subset of intracerebral hemorrhage accounting for 5-10% of all cases. Despite potential advantages, minimally invasive surgical evacuation of scICH may be an underutilized strategy when compared to unilateral or bilateral large suboccipital craniectomy or craniotomy, with or without duraplasty. We performed a retrospective single-center cohort study and a systematic literature review. Radiographic and clinical data were recorded and analyzed. Five consecutive patients with minimally invasive surgical evacuation of scICH were identified. Average hematoma size was 16.4 ± 3.0 cm3. Mean Glasgow coma score (GCS) prior to surgery was 11.6 ± 3.0 with improvement to 14.6 ± 0.4 postoperatively. Mean hematoma evacuation was 92.6 ± 0.6% as confirmed by postoperative computed tomography (CT) imaging. All patients achieved a modified Rankin Scale (mRS) score of 0 or 1 with an average follow-up time of 31 ± 22 months. Mean length of hospital stay was 8.8 ± 3.0 days. No patients experienced significant complications or required reoperation. Systematic review revealed similar results for minimally invasive evacuation of scICH when reporting disaggregated outcomes. A review of recent studies utilizing large unilateral or bilateral suboccipital craniectomy or craniotomy, with or without duraplasty, revealed higher morbidity and mortality rates than minimally invasive surgical evacuation of scICH. Minimally invasive evacuation of scICH is safe and effective. Near complete evacuation of hematoma can be achieved with lower morbidity and mortality than large suboccipital craniectomy or craniotomy. A multi-center, prospective, and rigorous trial comparing the two strategies for evacuation of scICH is warranted.
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