Kristin Marie Knudsen-Baas1, Tom Børge Johannesen2, Tor Åge Myklebust2,3, Jan Harald Aarseth4, Jone Furlund Owe4, Nils Erik Gilhus5,4, Anette Margrethe Storstein4. 1. Department of Clinical Medicine, University of Bergen, Post Box 7804, 5020, Bergen, Norway. Kristin.Knudsen-Baas@uib.no. 2. Department of Registration, Cancer Registry of Norway, Ullernchausseen 64, Oslo, 0379, Norway. 3. Department of Research and Innovation, Møre and Romsdal Hospital Trust, Post Box 1600, 6026, Ålesund, Norway. 4. Department of Neurology, Haukeland University Hospital, Jonas Lies vei 65, 5021, Bergen, Norway. 5. Department of Clinical Medicine, University of Bergen, Post Box 7804, 5020, Bergen, Norway.
Abstract
INTRODUCTION: Glioma is the most common intracranial primary brain tumor. Patients with glioma often suffer from epilepsy, anxiety and depression. Aims of this study were to identify risk factors for drug-treated anxiety and depression, and to determine the use of psychiatric medication in a national glioma cohort. METHODS: Data from the Cancer Registry of Norway on all persons diagnosed with glioma WHO grade II-IV 2004-2010 were linked with data from the Norwegian Prescription Database. Cox regression analysis was used to assess risk factors for drug-treated anxiety and depression. Standardized incidence ratios were calculated for psychiatric medication dispensed to glioma patients and compared to the general population. RESULTS: The glioma cohort consisted of 1056 males and 772 females. Of the 1828 patients, 565 had glioma grade II-III, and 1263 had grade IV. The patients with glioma grade II-III who were treated with levetiracetam had an increased risk for drug-treated anxiety compared to patients without levetiracetam; hazard ratio 2.8 (95% confidence interval 1.7-4.9). Female gender increased the risk for drug-treated anxiety compared to males in patients with glioma grade IV; hazard ratio 1.5 (95% confidence interval 1.2-2.0). Antidepressants were less frequently dispensed to patients with glioma grade II-III and epilepsy than to the general population. CONCLUSIONS: Patients with glioma grade II-III on levetiracetam had an increased risk for drug-treated anxiety. The subgroup of patients with glioma grade II-III and epilepsy received less antidepressants than the general population.
INTRODUCTION:Glioma is the most common intracranial primary brain tumor. Patients with glioma often suffer from epilepsy, anxiety and depression. Aims of this study were to identify risk factors for drug-treated anxiety and depression, and to determine the use of psychiatric medication in a national glioma cohort. METHODS: Data from the Cancer Registry of Norway on all persons diagnosed with glioma WHO grade II-IV 2004-2010 were linked with data from the Norwegian Prescription Database. Cox regression analysis was used to assess risk factors for drug-treated anxiety and depression. Standardized incidence ratios were calculated for psychiatric medication dispensed to gliomapatients and compared to the general population. RESULTS: The glioma cohort consisted of 1056 males and 772 females. Of the 1828 patients, 565 had glioma grade II-III, and 1263 had grade IV. The patients with glioma grade II-III who were treated with levetiracetam had an increased risk for drug-treated anxiety compared to patients without levetiracetam; hazard ratio 2.8 (95% confidence interval 1.7-4.9). Female gender increased the risk for drug-treated anxiety compared to males in patients with glioma grade IV; hazard ratio 1.5 (95% confidence interval 1.2-2.0). Antidepressants were less frequently dispensed to patients with glioma grade II-III and epilepsy than to the general population. CONCLUSIONS:Patients with glioma grade II-III on levetiracetam had an increased risk for drug-treated anxiety. The subgroup of patients with glioma grade II-III and epilepsy received less antidepressants than the general population.
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