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In the present study, we updated our previously reported case series of patients who had undergone decompressive craniectomy for malignant middle cerebral artery infarction (mMCAI) (2005-2020). To the best of our knowledge, the present case series constitutes the largest reported series from a UK neurosurgical unit of decompressive craniectomy for mMCAI.We extracted data regarding the clinical discriminators, surgical timescales, and functional outcomes of patients.A total of 67 patients had undergone decompressive craniectomy. The 30-day mortality was 17.9% (n = 12). Of the 67 patients, 31 were male (46.3%) and 36 were female (53.7%). Their mean age was 45 years (range, 16-64 years). The mean age of the survivors was 43 years (range, 16-62 years) compared with 50 years (range, 38-64 years) for those who had died. The median ictal and preoperative Glasgow coma scale score was 14 (range, 7-15) and 8 (range, 3-15), respectively. The corresponding motor scores were 6 and 5. The mean interval from ictus to neurosurgical unit admission was 18.25 hours (range, 0.5-66 hours) and from admission to decompressive craniotomy was 7.30 hours (range, 0.5-46 hours). Of the 67 patients, 63% had undergone "early" craniectomy (48 hours from mMCAI evolution), with 89% of these patients having undergone craniectomy24 hours after neurosurgical unit admission. The mean maximum anteroposterior craniectomy diameter was 13.01 cm (range, 10.29-15.56 cm), and mean surface area was 94.38 cmThe findings from the present update have confirmed that local practice has remained consistent with current evidence. However, patient selection might be optimized if diffusion-weighted magnetic resonance imaging and computed tomography perfusion were used at the original middle cerebral artery infarct admission. |
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