Menopause, Exercise, and Knee. What Happens?
Menopause, exercise, and knee. What happens?
Filed under: Depression Treatment
Microsc Res Tech. 2013 Feb 11;
Fontinele RG, Mariotti VB, Vazzoleré AM, Ferrão JS, Junior JR, De Souza RR
OBJECTIVE: To check if ovariectomy produces alterations in the articular cartilage structure of the tibial proximal epiphysis and if aerobic physical exercise has any influence on these alterations. METHODS: Six-month-old female Wistar rats were distributed in three groups: Control group (CG), without ovariectomy and physical activity; Oophorectomy and sedentary group (OSG), with bilateral ovariectomy and without physical activity, and Oophorectomy and trained group (OTG), with bilateral ovariectomy and physical activity during 3 months. All rats were euthanised at 9 months of age. The results were obtained by using histological sections stained with Hematoxylin and Eosin, and Picrosirius stain. RESULTS: In relation to the thickness of the articular cartilage an increase was observed in the superficial layer in OSG in relation to OTG. The number of chondrocytes did not show any significant difference. The nuclear volume of chondrocytes in the superficial layer was higher in CG than in OSG . In the medium layer, the volume of chondrocytes was higher in CG than in OSG and the OTG. The same occurred when the values of the epiphysial cartilage was considered as a whole. For the collagen, the values of volume density of the collagen fibers were higher in the OSG and in the OTG than the CG. The same occurred with the OTG in relation to OSG. CONCLUSIONS: The depression of estrogen levels produced important changes in the tibial cartilage of Wistar rats mainly on the superficial layer and physical activity seemed to relieve these effects. Microsc. Res. Tech., 2013. © 2013 Wiley Periodicals, Inc.
HubMed – depression
Long-term depression-like plasticity of the blink reflex for the treatment of blepharospasm.
Filed under: Depression Treatment
Mov Disord. 2013 Feb 11;
Kranz G, Shamim EA, Lin PT, Kranz GS, Hallett M
Our previous work showed a beneficial therapeutic effect on blepharospasm using slow repetitive transcranial magnetic stimulation, which produces a long-term depression (LTD)-like effect. High-frequency supraorbital electrical stimulation, asynchronous with the R2 component of the blink reflex, can also induce LTD-like effects on the blink reflex circuit in healthy subjects. Patients with blepharospasm have reduced inhibition of their blink recovery curves; therefore, a LTD-like intervention might normalize the blink reflex recovery (BRR) and have a favorable therapeutic effect. This is a randomized, sham-controlled, observer-blinded prospective study. In 14 blepharospasm patients, we evaluated the effects of high-frequency supraorbital stimulation on three separate treatment days. We applied 28 trains of nine stimuli, 400 Hz, either before or after the R2 or used sham stimulation. The primary outcome was the blink rate, number of spasms rated by a blinded physician and patient rating before, immediately after and 1 hour after stimulation while resting, reading, and talking; secondary outcome was the BRR. Stimulation “before” and “after” the R2 both showed a similar improvement as sham stimulation in physician rating, but patients felt significantly better with the before condition. Improvement in recovery of the blink reflex was noted only in the before condition. Clinical symptoms differed in the three baseline conditions (resting, reading, and talking). Stimulation before R2 increased inhibition in trigeminal blink reflex circuits in blepharospasm toward normal values and produced subjective, but not objective, improvement. Inhibition of the blink reflex pathway by itself appeared to be insufficient for a useful therapeutic effect. © 2013 Movement Disorder Society.
HubMed – depression
Relating health-related Quality of Life to disability progression in multiple sclerosis, using the 5-level EQ-5D.
Filed under: Depression Treatment
Mult Scler. 2013 Feb 11;
Fogarty E, Walsh C, Adams R, McGuigan C, Barry M, Tubridy N
BACKGROUND: Increasing use of the Quality-Adjusted Life-Year to inform resource allocation decision-making has highlighted the importance of relating clinical and health-related quality of life (HRQoL) outcomes in multiple sclerosis (MS) patients. OBJECTIVE AND METHODS: To investigate the relationship between the Expanded Disability Status Scale (EDSS) and HRQoL utility, using the 5-level EQ-5D (EQ-5D-5L). The discriminatory power of the EQ-5D-5L was assessed using Shannon’s indices. RESULTS: A linear decline in utility was observed with changes in EDSS score from 0 to 6, after which point the relationship exhibited greater variability. Mean utility values ranged from -0.22 at EDSS 9 to 0.88 at EDSS 0. We found that the discriminative capacity of the EQ-5D-5L was considerably lower for the domains self-care and anxiety/depression, compared with other health-related domains. CONCLUSION: In its first reported use in an MS population, the EQ-5D-5L displayed good discriminatory capacity, although performance differed between the various domains of health, with evidence of a ceiling effect present in the domains of self-care and anxiety/depression. The EQ-5D-5L demonstrated a high correlation with EDSS in our MS cohort up to EDSS 6, after which point the utility valuation of severe health states exhibited much greater variability. Utility estimates from this study may be used in economic evaluations of disease-modifying therapies in MS, to inform resource-allocation decisions.
HubMed – depression
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