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Daily bibliographic review of the Neurosurgery Department. La Fe University Hospital. Valencia, Spain

Awake Craniotomy vs Craniotomy Under General Anesthesia for Perirolandic Gliomas

Neurosurgery 81:481–489, 2017

A craniotomy with direct cortical/subcortical stimulation either awake or under general anesthesia (GA) present 2 approaches for removing eloquent region tumors. With a reported higher prevalence of intraoperative seizures occurring during awake resections of perirolandic lesions, oftentimes, surgery under GA is chosen for these lesions.

OBJECTIVE: To evaluate a single-surgeon’s experience with awake craniotomies (AC) vs surgery under GA for resecting perirolandic, eloquent, motor-region gliomas.

METHODS: Between 2005 and 2015, a retrospective analysis of 27 patients with perirolandic, eloquent, motor-area gliomas that underwent an AC were case-control matched with 31 patients who underwent surgery under GA for gliomas in the same location. All patients underwent direct brain stimulation with neuromonitoring and perioperative risk factors, extent of resection, complications, and discharge status were assessed.

RESULTS: The postoperative Karnofsky Performance Score (KPS) was significantly lower for theGApatients at 81.1 compared to theACpatients at 93.3 (P=.040). The extent of resection for GA patients was 79.6% while the AC patients had an 86.3% resection (P = .136). There were significantly more 100% total resections in the AC patients 25.9% compared to the GA group (6.5%; P=.041). Patients in theGAgroup had a longer mean length of hospitalization of 7.9 days compared to the AC group at 4.2 days (P = .049).

CONCLUSION: We show that AC can be performed with more frequent total resections, better postoperative KPS, shorter hospitalizations, as well as similar perioperative complication rates compared to surgery under GA for perirolandic, eloquent motor-region glioma.

Neurosurgery Department. “La Fe” University Hospital. Valencia, Spain

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