| Summary: | OBJECTIVE:Peri- and postoperative time course of meningioma patients who had undergone surgical treatment was evaluated to determine prognostic factors of neurological outcome by focusing on preoperative parameters. MATERIAL AND METHODS:A retrospective monocenter analysis was performed including patients who were operated in the Department of Neurosurgery, University Hospital Leipzig, from 2009 to 2015. Data from all patients with histologically confirmed diagnosis of intracranial meningioma treated microsurgically were included in the study. The individual characteristics of the patients, meningiomas and Karnofsky Performance scores (KPS) were analyzed by multivariate tests. RESULTS:Two hundred ninety-four patients with a median age of 61 years (range: 17-89) were included. Preoperative KPS (p < 0.001), skull base as tumor origin and tumor size (p < 0.05) proved to be significantly strong prognostic factors of KPS deterioration one year postoperative by multivariate analysis. According to uni- and bivariate analysis, the following prognostic factors could also be found: preoperative mass displacement, preexisting recurrence and presence of preoperative symptoms. In this study, age had no significant influence on deterioration in patient health state, measured by KPS, one year postoperative. CONCLUSION:Patients generally obtained an improvement in KPS score after microsurgical treatment. The knowledge of prognostic factors can be very helpful in the decision-making process for meningioma treatment of the elderly, particularly to estimate the postoperative outcome and quality of life.
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