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Rivista di Neurochirurgia

Indexed/Abstracted in: e-psyche, EMBASE, PubMed/MEDLINE, Neuroscience Citation Index, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,651

Periodicità: Bimestrale

ISSN 0390-5616

Online ISSN 1827-1855


Journal of Neurosurgical Sciences 2015 Jul 07

Impact of extent of resection and recurrent surgery on clinical outcome and overall survival in a consecutive series of 170 patients for glioblastoma in intraoperative high field iMRI

Coburger J., Wirtz C. R., König R. W.

Department of Neurosurgery, Campus Günzburg, University of Ulm, Günzburg, Germany

AIM: In patients with a glioblastoma (GBM), few unselected data exists using actual standard adjuvant treatment and contemporary surgical techniques like iMRI. Aim of study is to assess impact of EoR and recurrent surgery on survival and outcome.
METHODS: We assessed a consecutive unselected series of 170 surgeries for GBM (2008-2014) applying intraoperative MRI(iMRI). All patients received adjuvant radio-chemo-therapy. Overallsurvival(OS), progression free survival (PFS), complications and new permanent neurological deficits(nPND) were assessed. Uni- and multivariate-cox-regression-models were calculated.
RESULTS: Mean follow up was 40mo. GTR was intended in 82% and achieved in 77% of these cases. A nPND was found in 7% of patients. In multivariate cox-regression, GTR(HR:0.6, p<0.024) and absence of MGMT methylation(HR:1.6,p<0.042) was significantly associated with PFS. We found no difference in PFS after primary surgery and recurrent surgery. Concerning OS, in multivariate assessment an un-methylated MGMT-promotor(HR2.0,p<0.01) and presence of a complication(HR1.7,p<0.06) were negative prognosticators. Only GTR was significantly beneficial for OS(HR0.4,p <0.028) compared to a failed GTR and a STR. Repeated surgery for recurrent disease was positively associated with OS(HR0.6,p<0.06).
CONCLUSION: Surgery in a contemporary setup using iMRI, brain mapping and modern adjuvant treatment, has a higher OS and lower complication rates as previously published. A maximum but safe resection should be the goal of surgery since a perioperative complication significantly decreases OS. Recurrent surgery has a beneficial effect on OS without an increase of complications.

lingua: Inglese


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