The pre-surgical variables studied had relatively low prediction capacity for the overall QOLIE-31 score and its sub-scales in this set of Brazilian patients with refractory MTLE-HS.

Objective: To evaluate predictors of non-return to work (nRTW) among social, demographic, clinical, and psychiatric variables after severe traumatic brain injury (TBI) in a cohort of Brazilian patients. Methods: Prospective study. Forty-three community-dwelling individuals treated at a Level I trauma center at the time of TBI were evaluated 18 months after trauma. Measures included DSM-IV-TR criteria for personality changes after TBI and Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I) to assess psychiatric diagnosis. Hospitalization variables included Glasgow Coma Scale scores, pupil examination findings, associated limb trauma, Marshall computed tomography classification, and blood glucose levels. Results: After multiple logistic regression analysis, only the diagnosis of personality changes was found to be independently associated with nRTW, with an adjusted odds ratio of 10.92 (p = 0.02, 95% confidence interval 1.41-84.28). Conclusions: In this study, personality changes were an independent predictor of nRTW after severe TBI. Ways to predict risk factors associated with personality changes after severe brain injury could aid in identification of early and effective interventions that might ease the burden associated with this condition.

Deep brain stimulation (DBS) benefits Parkinson's disease (PD) patient's quality of life specially in domains as mobility, activities of daily living (ADL) and bodily discomfort (BD), but little is known about the variables associated with these HRQOL domains in patients presenting for DBS. The objective is to evaluate variables associated with of HRQOL in a Brazilian sample of PD patients presenting for DBS treatment, specifically in the domains related with motor symptoms. In a cross-sectional study of 59 PD patients evaluated at outpatient Unit for Movement Disorders, multiple linear regression analysis was performed to identify independent variables associated with mobility, ADL and BD domains of the 39-item Parkinson's disease questionnaire (PDQ-39). UPDRS III "on" scores, duration of the disease, age, presence of comorbidities and anxiety and depressive symptoms quantified by hospital anxiety and depression scale (HADS), were the independent variables. In our results, HADS scores were independently associated to mobility domain: β coefficient 1.36 (95 % CI 0.55-2.15) and BD domain: β coefficient 1.57 (95 % CI 0.67-2.48). UPDRS III "on" scores were independently associated to mobility domain: 0.42 (95 % CI 0.03-0.81). The model of each multiple linear regression analysis explains 25 % of the mobility domain variability (p < 0.01) and 24 % of the BD domain variability (p < 0.01). Psychiatric symptoms were at least as relevant to quality of life as motor symptoms in PD patients presenting for DBS treatment. The effect of treating these psychiatric symptoms on patients' HRQOL deserves further investigation.

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