• Katrin Nickel, Mirjam Renovanz, Jochem König, Linda Stöckelmaier, Anne-Katrin Hickmann, Minou Nadji-Ohl, Jens Engelke, Elke Weimann, Dirk Freudenstein, Oliver Ganslandt, Lars Bullinger, Christian Rainer Wirtz, and Jan Coburger.
• Department of Neurosurgery, University Ulm, Günzburg, Germany.
• Neurosurg Rev. 2018 Jan 1; 41 (1): 207-219.

AbstractThe objective of the present study is to assess the influence of extent of resection (EoR), use of intraoperative imaging, and awake surgery on health-related quality of life (HRQoL) in high-grade glioma (HGG) patients in a prospective multicenter study. We analyzed 170 surgeries of patients suffering from a HGG. During the first year after resection, HRQoL was evaluated using the European Organization of Research and Treatment of Cancer Core Questionnaire C30 and Brain Neoplasm 20 questionnaires. We assessed the influence of EoR; awake surgery; and use of 5-aminolevulinic acid (5-ALA), intraoperative MRI (iMRI), and their combination on sum scores for function and symptoms as well as several neurological single items. In mixed-model analyses, adjustments for age, Karnofsky performance status (KPS), and eloquent location were performed. In the mixed model, EoR generally did not significantly influence HRQoL (p = 0.10). Yet, patients receiving subtotal resection (STR) vs. patients with biopsy showed significantly better QoL and role and cognitive functions (p = 0.04, p = 0.02, and p < 0.01, respectively). The combination of iMRI and 5-ALA reached the highest EoR (95%) followed by iMRI alone (94%), 5-ALA alone (74%), and no imaging (73%). Thereby, neurological symptoms were lowest and functioning score highest after combined use of iMRI and 5-ALA, without reaching significance (p = 0.59). Despite lower scores in emotional function (59 vs. 46, p = 0.24), no significant impact of awake surgery on HRQoL was found (p = 0.70). In HGG patients, STR compared to biopsy was significantly associated with better HRQoL and fewer neurological symptoms in this series. An escalated use of intraoperative imaging increased EoR with stable or slightly better HRQoL and fewer neurological symptoms. Based on HRQoL, awake surgery was a well-tolerated and safe method in our series.

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