DBS is associated with a modest survival advantage when compared with a matched group of patients who did not undergo DBS. Whether the survival advantage reflects a moderating influence of DBS on PD or on comorbidities that might shorten life or whether differences may be a result of unmeasured differences between groups is not known. © 2017 International Parkinson and Movement Disorder Society.
Cytokine disturbances have been linked to brain dysfunction among HIV-infected people. Past studies have not simultaneously examined a large set of cytokine measures and their relationships to HIV-associated neurocognitive deficits. We hypothesized that performance on measures of attention, and executive and psychomotor functions would be associated with plasma cytokine concentrations in HIV-infected individuals. Plasma samples drawn from 30 HIV-infected and 37 HIV seronegative individuals were analyzed via xMAP multiplexed bead array immunoassay to determine concentrations of thirteen cytokines. Performance on Trail Making A/B, Stroop Test, Letter Number Sequencing, Digit Symbol Coding, Symbol Search, and Grooved Pegboard tests was assessed. Statistical analyses were performed to examine group differences in cytokine concentrations, and associations between cytokine and HIV clinical variables and neurocognitive performance. Significant HIV effects were found on seven of the thirteen cytokines, primarily with respect to interleukins. HIV clinical factors (CD4 and HIV RNA levels, duration of illness, antiretroviral treatment) and hepatitis C status were associated with specific plasma cytokine concentrations. Neurocognitive measures were associated with cytokine concentrations, most consistently among the interleukins and IP-10. Generally, cytokine concentrations were among the strongest predictors of neurocognitive function relative to other clinical factors, which reinforces their potential importance in examining the neuropathological processes of HIV. The findings also point to the potential value of simultaneously examining a panel of biomarkers. The current results suggest that a complex relationship likely exists among cytokines [how?], and that these relationships are mediated not only by HIV infection, but also by antiretroviral treatment and other comorbid conditions.
For at least the past ten years, eating disorders have had a major impact in the physical and mental health of women, particularly young women. Anorexia and Bulimia nervosa are closely linked eating disorders. Anorexia often precedes bulimia. However, there are about 2 million women in college that have been exclusively bulimic. In this article, we focus on the role of college-peer pressure on the dynamics of anorexia-free bulimia. The model looks at bulimia as a progressive disease and explores the impact of intervention (treatment) at two stages of disease progression. The impact of relapse (a common occurrence among bulimics) is taken into account. Extensions and connections to anorexia are discussed .
BACKGROUND: To address concerns about Veterans' access to care at US Department of Veterans Affairs (VA) healthcare facilities, the Veterans Access, Choice, and Accountability Act was enacted to facilitate Veterans' access to care in non-VA settings, resulting in the "Veterans Choice Program" (VCP). OBJECTIVES: To assess the characteristics of Veterans who used or planned to use the VCP, reasons for using or planning to use the VCP, and experiences with the VCP. DESIGN: Mixed-methods. SUBJECTS: After sampling Veterans in the Midwest census region receiving care at VA healthcare facilities, we included 4521 Veterans in the analyses. Of these, 60 Veterans participated in semi-structured qualitative interviews. APPROACH: Quantitative data were derived from VA's administrative and clinical data and a survey of Veterans including Veteran characteristics and self-reported use of VCP. Associations between Veterans' characteristics and use or planned use of the VCP were assessed using logistic regression analysis. Interview data were analyzed using thematic analysis. KEY RESULTS: Veterans with a higher odds of reporting use or intended use of the VCP were women, lived further distances from VA facilities, or had worse health status than other Veterans (P ≤ 0.01). Key themes included positive experiences with the VCP (timeliness of care, location of care, access to services, scheduling improvements, and coverage of services), and negative experiences with the VCP (complicated scheduling processes, inconveniently located appointments, delays securing appointments, billing confusion, and communication breakdowns). DISCUSSION: Our findings suggest that Veterans value access to care close to their home and care that addresses the needs of women and Veterans with poor health status. The Mission Act was passed in June 2018 to restructure the VCP and consolidate community care into a single program, continuing VA's commitment to support access to community care into the future.
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