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Relative age effect

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https://www.readbyqxmd.com/read/28231611/leg-vascular-and-skeletal-muscle-mitochondrial-adaptations-to-aerobic-high-intensity-exercise-training-are-enhanced-in-the-early-postmenopausal-phase
#1
Michael Nyberg, Jon Egelund, Camilla M Mandrup, Caroline B Andersen, Karen M B E Hansen, Ida-Marie F Hergel, Nicholai Valbak-Andersen, Ruth Frikke-Schmidt, Bente Stallknecht, Jens Bangsbo, Ylva Hellsten
Exercise training leads to favourable adaptations within skeletal muscle; however, this effect of exercise training may be blunted in postmenopausal women due to the loss of oestrogens. Furthermore, postmenopausal women may have an impaired vascular response to acute exercise. We examined the haemodynamic response to acute exercise in matched pre- and postmenopausal women before and after 12 weeks of aerobic high intensity exercise training. Twenty premenopausal and 16 early postmenopausal (3.1 ± 0.5 [mean ± SEM] years after final menstrual period) women only separated by 4 (50 ± 0 versus 54 ± 1) years of age were included...
February 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28231591/predictive-success-factors-in-selective-upper-airway-stimulation
#2
Clemens Heiser, Benedikt Hofauer
Obstructive sleep apnea is one of the most common diseases in Western industrialized countries. A variety of conservative and surgical treatment options are available for its treatment. In recent years, selective upper airway stimulation (sUAS) has been shown to be effective and safe. Different biomarkers have been investigated as predictive clinical success factors in a number of clinical trials. Age does not matter in sUAS, as compared to its predictive role in other therapies. Weight seems to play a limited role, depending on drug-induced sleep endoscopy to rule out a complete concentric collapse with an increased body mass index...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231314/satisfaction-guaranteed-how-individual-partner-and-relationship-factors-impact-sexual-satisfaction-within-partnerships
#3
Julia Velten, Jürgen Margraf
Within committed relationships, a wide range of factors may challenge or facilitate sexual satisfaction. The aim of this study was to clarify which individual, partner-, and partnership-related aspects of a sexual relationship are crucial for the prediction of sexual satisfaction. The study included data of a representative sample of 964 couples from the general population. The actor-partner interdependence model was used to estimate actor and partner effects. Overall, predictors explained 57% of outcome variance...
2017: PloS One
https://www.readbyqxmd.com/read/28231259/impact-of-seasonality-and-air-pollutants-on-carotid-femoral-pulse-wave-velocity-and-wave-reflection-in-hypertensive-patients
#4
Marina Di Pilla, Rosa Maria Bruno, Francesco Stea, Luciano Massetti, Stefano Taddei, Lorenzo Ghiadoni, Pietro Amedeo Modesti
OBJECTIVE: The effects of seasonality on blood pressure (BP) and cardiovascular (CV) events are well established, while the influence of seasonality and other environmental factors on arterial stiffness and wave reflection has never been analyzed. This study evaluated whether seasonality (daily number of hours of light) and acute variations in outdoor temperature and air pollutants may affect carotid-femoral pulse wave velocity (PWV) and pressure augmentation. DESIGN AND METHOD: 731 hypertensive patients (30-88 years, 417 treated) were enrolled in a cross-sectional study during a 5-year period...
2017: PloS One
https://www.readbyqxmd.com/read/28231077/association-of-genetic-variation-in-the-tachykinin-receptor-3-locus-with-hot-flashes-and-night-sweats-in-the-women-s-health-initiative-study
#5
Carolyn J Crandall, JoAnn E Manson, Chancellor Hohensee, Steve Horvath, Jean Wactawski-Wende, Erin S LeBlanc, Mara Z Vitolins, Rami Nassir, Janet S Sinsheimer
OBJECTIVE: Vasomotor symptoms (VMS, ie, hot flashes or night sweats) are reported by many, but not all, women. The extent to which VMS are genetically determined is unknown. We evaluated the relationship of genetic variation and VMS. METHODS: In this observational study, we accessed data from three genome-wide association studies (GWAS) (SNP Health Association Resource cohort [SHARe], WHI Memory Study cohort [WHIMS+], and Genome-Wide Association Studies of Treatment Response in Randomized Clinical Trials [GARNET] studies, total n = 17,695) of European American, African American, and Hispanic American postmenopausal women aged 50 to 79 years at baseline in the Women's Health Initiative Study...
March 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28230890/effect-of-testosterone-replacement-therapy-on-vitamin-d-and-fgf-23-levels-in-congenital-hypogonadism
#6
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Abdullah Taslipinar, Mahmut Ilker Yilmaz, Omer Azal
INTRODUCTION: Patients with hypogonadism are at increased risk of cardiac and metabolic diseases and osteoporosis. Vitamin D and Fibroblast growth factor-23 (FGF-23) play role in the regulation of bone mineral metabolism and endothelial functions. Low vitamin D levels are reported in hypogonadism, while there is no data about the effect of testosterone replacement therapy (TRT). We investigated the effect of TRT on vitamin D and FGF-23 levels along with endothelial functions and insulin resistance in hypogonadal patients...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28230730/physical-activity-a-viable-way-to-reduce-the-risks-of-mild-cognitive-impairment-alzheimer-s-disease-and-vascular-dementia-in-older-adults
#7
REVIEW
Patrick J Gallaway, Hiroji Miyake, Maciej S Buchowski, Mieko Shimada, Yutaka Yoshitake, Angela S Kim, Nobuko Hongu
A recent alarming rise of neurodegenerative diseases in the developed world is one of the major medical issues affecting older adults. In this review, we provide information about the associations of physical activity (PA) with major age-related neurodegenerative diseases and syndromes, including Alzheimer's disease, vascular dementia, and mild cognitive impairment. We also provide evidence of PA's role in reducing the risks of these diseases and helping to improve cognitive outcomes in older adults. Finally, we describe some potential mechanisms by which this protective effect occurs, providing guidelines for future research...
February 20, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28230619/population-pharmacokinetics-of-topiramate-in-japanese-pediatric-and-adult-patients-with-epilepsy-using-routinely-monitored-data
#8
Masato Takeuchi, Ikuko Yano, Satoko Ito, Mitsuhiro Sugimoto, Shota Yamamoto, Atsushi Yonezawa, Akio Ikeda, Kazuo Matsubara
BACKGROUND: Topiramate is a second-generation antiepileptic drug used as monotherapy and adjunctive therapy in adults and children with partial seizures. A population pharmacokinetic analysis was performed to improve the topiramate dosage adjustment for individualized treatment. METHODS: Patients whose steady-state serum concentration of topiramate was routinely monitored at Kyoto University Hospital from April 2012 to March 2013 were included in the model-building data...
February 20, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28230611/values-for-bony-acetabular-roof-angle-and-percentage-femoral-head-cover-in-a-selective-ultrasound-neonatal-hip-screening-programme-effect-of-age-sex-and-side
#9
A Graham Wilkinson, Sally Wilkinson, Robert A Elton
Published maturation curves for bony acetabular roof or α angle (AA) and percentage femoral head cover (FHC) with age are sparse. We aimed to determine typical values for AA and FHC in 2236 infants referred to a selective ultrasound screening programme. There was increase in the values of first measurement of AA and FHC related to the logarithm of age. Males had greater values than females (P<0.001) and right hips had greater values than left (P<0.001) for both measurements. Significant side differences have not been reported previously...
February 22, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28230458/progression-to-type-2-diabetes-and-its-effect-on-health-care-costs-in-low-income-and-insured-patients-with-prediabetes-a-retrospective-study-using-medicaid-claims-data
#10
Jun Wu, Eileen Ward, Tiffaney Threatt, Z Kevin Lu
BACKGROUND: Prediabetes is a high-risk factor for progression to diabetes. Without lifestyle changes, such as weight loss and moderate physical activity, 15%-30% of people with prediabetes are projected to develop type 2 diabetes within 5 years. Progression to diabetes increases the financial burden significantly for patients and health care systems. Populations with low socioeconomic status are associated with a higher risk of diabetes. However, knowledge is limited about the effect of transition to diabetes on future costs incurred in low-income populations...
March 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28230422/effects-of-arousal-and-context-on-recognition-memory-for-emotional-pictures-in-younger-and-older-adults
#11
Yang Wang, Jiongjiong Yang
: Background/Study Context: Previous studies found that older adults tend to remember more positive than negative information (i.e., positivity bias), leading to an age-related positivity effect. However, the extent to which factors of arousal and contextual information influence the positivity bias in older adults remains to be determined. METHODS: In this study, 27 Chinese younger adults (20.00 ± 1.75 years) and 33 Chinese older adults (70.76 ± 5.49) learned pictures with negative, positive, and neutral valences...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28230420/age-related-effects-on-memory-for-social-stimuli-the-role-of-valence-arousal-and-emotional-responses
#12
Thomas M Hess, Lauren E Popham, Claire M Growney
: Background/Study Context: Previous research (Hess et al., 2013, Psychology and Aging, 28, 853-863) suggested that age-based positivity effects in memory were attenuated with social stimuli. This research examined the degree to which this generalized across arousal levels associated with social images. Variations in approach and avoidance responses to individual images were also examined, along with age differences in their relationship to memory performance. METHODS: In Experiment 1, young (22-43 years) and older (65-85 years) adults recalled positive and negative social scenes that were high or low in arousal...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28230418/effect-of-age-on-attentional-control-in-dual-tasking
#13
Bianca Bier, Nick Corriveau Lecavalier, Dominique Malenfant, Isabelle Peretz, Sylvie Belleville
: Background/Study Context: The age-related differences in divided attention and attentional control have been associated with several negative outcomes later in life. However, numerous questions remain unanswered regarding the nature of these age differences and the role of attentional control abilities in dual-tasking. The aim of this study was to evaluate the sources for age differences in dual-tasking and more specifically: (1) whether they occur because of differences in attentional control skills, or (2) whether the age-related decrement in dual-tasking is due to a general resource reduction that would affect the ability to complete any demanding task...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28230390/effectiveness-of-an-internet-intervention-deprexis-for-depression-in-a-united-states-adult-sample-a-parallel-group-pragmatic-randomized-controlled-trial
#14
Christopher G Beevers, Rahel Pearson, James S Hoffman, A Alban Foulser, Jason Shumake, Björn Meyer
OBJECTIVE: To examine the effectiveness of an Internet intervention for depression with a randomized, controlled trial in a large sample of adults recruited from the United States. METHOD: The current study examines the effectiveness of Deprexis, an Internet treatment for depression that was provided with relatively minimal support. There were 376 treatment-seeking adults (mean age = 32 years; 74% female; 77% Caucasian, 7% Asian, 7% multiple races, 4% African American, and 11% Hispanic/Latino) with elevated depression (Quick Inventory of Depressive Symptoms-Self-Report [QIDS-SR] > = 10) who were randomized to receive an 8-week course of treatment immediately (n = 285) or after an 8-week delay (n = 91; i...
February 23, 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28230384/familiar-real-world-spatial-cues-provide-memory-benefits-in-older-and-younger-adults
#15
Jessica Robin, Morris Moscovitch
Episodic memory, future thinking, and memory for scenes have all been proposed to rely on the hippocampus, and evidence suggests that these all decline in healthy aging. Despite this age-related memory decline, studies examining the effects of context reinstatement on episodic memory have demonstrated that reinstating elements of the encoding context of an event leads to better memory retrieval in both younger and older adults. The current study was designed to test whether more familiar, real-world contexts, such as locations that participants visited often, would improve the detail richness and vividness of memory for scenes, autobiographical events, and imagination of future events in young and older adults...
February 23, 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28230268/potential-climate-change-health-risks-from-increases-in-heat-waves-abnormal-birth-outcomes-and-adverse-maternal-health-conditions
#16
Gulcan Cil, Trudy Ann Cameron
We investigate the risks presented by heat waves for adverse health conditions for babies and expectant mothers when these mothers have been exposed to heat waves during gestation or during the period just prior to conception. Rather than just birth weight and gestational age, we focus on less common metrics such as abnormal conditions in the newborn (fetal distress, reliance on a ventilator, and meconium aspiration) and adverse health conditions in the mother (pregnancy-related hypertension, uterine bleeding during pregnancy, eclampsia, and incompetent cervix)...
February 23, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28230104/long-term-impact-of-temporal-sequence-from-childhood-obesity-to-hyperinsulinemia-on-adult-metabolic-syndrome-and-diabetes-the-bogalusa-heart-study
#17
Tao Zhang, Huijie Zhang, Ying Li, Shengxu Li, Camilo Fernandez, Lydia Bazzano, Jiang He, Fuzhong Xue, Wei Chen
This study aims to delineate the temporal relations between body mass index (BMI) and insulin in childhood and their impact on adult metabolic syndrome (MetS) and type 2 diabetes mellitus (T2DM).The longitudinal cohort consisted of 609 whites and 339 blacks who had BMI and fasting insulin measured twice in childhood (mean age = 10.5 years at baseline and 15.9 years at follow-up). Incident MetS and T2DM were identified in adulthood (mean age = 30.5 years). Cross-lagged panel and mediation analysis models were used...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229931/modulation-of-the-sensorimotor-system-by-sustained-manual-pressure-stimulation
#18
Pavel Hok, Jaroslav Opavský, Miroslav Kutín, Zbyněk Tüdös, Petr Kaňovský, Petr Hluštík
In Vojta physiotherapy, also known as reflex locomotion therapy, prolonged peripheral pressure stimulation induces complex generalized involuntary motor responses and modifies subsequent behavior, but its neurobiological basis remains unknown. We hypothesized that the stimulation would induce sensorimotor activation changes in functional magnetic resonance imaging (fMRI) during sequential finger opposition. Thirty healthy volunteers (mean age 24.2) underwent two randomized fMRI sessions involving manual pressure stimulation applied either at the right lateral heel according to Vojta, or at the right lateral ankle (control site)...
February 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28229893/safety-and-efficacy-of-natalizumab-in-patients-with-acute-ischaemic-stroke-action-a-randomised-placebo-controlled-double-blind-phase-2-trial
#19
Jacob Elkins, Roland Veltkamp, Joan Montaner, S Claiborne Johnston, Aneesh B Singhal, Kyra Becker, Maarten G Lansberg, Weihua Tang, Ih Chang, Kumar Muralidharan, Sarah Gheuens, Lahar Mehta, Mitchell S V Elkind
BACKGROUND: In animal models of acute ischaemic stroke, blocking of the leukocyte-endothelium adhesion by antagonism of α4 integrin reduces infarct volumes and improves outcomes. We assessed the effect of one dose of natalizumab, an antibody against the leukocyte adhesion molecule α4 integrin, in patients with acute ischaemic stroke. METHODS: In this double-blind, phase 2 study, patients with acute ischaemic stroke (aged 18-85 years) from 30 US and European clinical sites were randomly assigned (1:1) to 300 mg intravenous natalizumab or placebo with stratification by treatment window and baseline infarct size...
March 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28229892/safety-and-efficacy-of-opicinumab-in-acute-optic-neuritis-renew-a-randomised-placebo-controlled-phase-2-trial
#20
Diego Cadavid, Laura Balcer, Steven Galetta, Orhan Aktas, Tjalf Ziemssen, Ludo Vanopdenbosch, Jette Frederiksen, Mark Skeen, Glenn J Jaffe, Helmut Butzkueven, Focke Ziemssen, Luca Massacesi, Yi Chai, Lei Xu, Stefanie Freeman
BACKGROUND: The human monoclonal antibody opicinumab (BIIB033, anti-LINGO-1) has shown remyelinating activity in preclinical studies. We therefore assessed the safety and tolerability, and efficacy of opicinumab given soon after a first acute optic neuritis episode. METHODS: This randomised, double-blind, placebo-controlled, phase 2 study (RENEW) was done at 33 sites in Australia, Canada, and Europe in participants (aged 18-55 years) with a first unilateral acute optic neuritis episode within 28 days from study baseline...
March 2017: Lancet Neurology
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