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https://www.readbyqxmd.com/read/28338406/a-feasibility-study-for-improved-physical-activity-after-total-knee-arthroplasty
#1
Roger J Paxton, Jeri E Forster, Matthew J Miller, Kristine L Gerron, Jennifer E Stevens-Lapsley, Cory L Christiansen
BACKGROUND: Physical activity outcomes are poor following total knee arthroplasty (TKA). The purpose was to evaluate feasibility of a physical activity feedback intervention for patients after TKA. METHODS: Participants completing conventional TKA rehabilitation were randomized to a physical activity feedback (PAF; n=22) or control (CTL; n=23) group. The PAF intervention included real-time activity feedback, weekly action planning, and monthly group support meetings (12-weeks)...
March 24, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28337523/hip-fracture-incidence-and-social-deprivation-results-from-a-french-ecological-study
#2
M -P Petit, J Bryère, M Maravic, F Pallaro, C Marcelli
The association between socioeconomic status (SES) and hip fracture (HF) incidence was analyzed in France in 2008. In men and women, a decrease in HF incidence was observed as the social deprivation index increased. This result may be partly due to the protective effect of increasing body weight against HF. INTRODUCTION: Regional variations in hip fracture (HF) incidence exist worldwide. Reasons for these variations remain unknown. As regional variations have also been observed for socioeconomic status, we analyzed the association between socioeconomic deprivation (SED) and HF incidence in France in 2008...
March 23, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28334463/a-psychometric-evaluation-of-the-chinese-version-of-the-nursing-home-survey-on-patient-safety-culture
#3
Shu-Yuan Lin, Wei Ting Tseng, Miao-Ju Hsu, Hui-Ying Chiang, Hui-Chen Tseng
AIMS AND OBJECTIVES: To test the psychometric properties of the Chinese version of the Nursing Home Survey on Patient Safety Culture scale (NHSPSC) among staff in long-term care facilities. BACKGROUND: The NHSPSC scale is a standard tool for safety culture assessment in nursing homes. Extending its application to different types of long-term care facilities and varied ethnic populations is worth pursuing. DESIGN: A national random survey. METHODS: A total of 306 managers and staff completed the Chinese version of the NHSPSC scale (C-NHSPSC) among 30 long-term care facilities in Taiwan...
March 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28323197/postprandial-effects-of-wine-consumption-on-platelet-activating-factor-metabolic-enzymes
#4
Chrysa Argyrou, Ioanna Vlachogianni, George Stamatakis, Constantinos A Demopoulos, Smaragdi Antonopoulou, Elizabeth Fragopoulou
Platelet Activating factor (PAF) is a potent inflammatory mediator that is involved in the initiation and the prolongation of atherosclerosis. The purpose of the study was to investigate the effect of wine consumption on the activity of PAF metabolic enzymes and on IL-6 levels as a cytokine inflammatory marker. Healthy men participated in 4 daily trials and consumed a standardized meal along with Robola wine (trial R), or Cabernet Sauvignon (trial CS), or ethanol solution (trial E), or water (trialW). A significant trial effect was found in the activity of lyso-PAF acetyltransferase (Lyso-PAF AT) (ptrial=0...
March 16, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28322397/effect-of-an-acetylene-bond-on-hydrogen-adsorption-in-diamond-like-carbon-allotropes-from-first-principles-to-atomic-simulation
#5
Xuanjun Wu, Lei Li, Tiange Fang, YeTong Wang, Weiquan Cai, Zhonghua Xiang
By inserting an acetylene bond into the organic linkers of porous materials, hydrogen storage can be significantly enhanced; however, the mechanism of this enhancement remains elusive. Herein, we developed a new diamond-like carbon allotrope (referred as diamond-like diacetylene a.k.a. DDA) with medium pores constructed by inserting -C[triple bond, length as m-dash]C-C[triple bond, length as m-dash]C- ligands into the -C-C- bonds of diamond. The structural, mechanical, and electrical properties, as well as hydrogen storage capacities were investigated for this novel material using density functional theory and Monte Carlo simulations...
March 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28320416/effect-of-the-r92h-and-a379v-genotypes-of-platelet-activating-factor-acetylhydrolase-on-its-enzyme-activity-oxidative-stress-and-metabolic-profile-in-chinese-women-with-polycystic-ovary-syndrome
#6
Renjiao Zhang, Qi Song, Hongwei Liu, Huai Bai, Yujin Zhang, Qingqing Liu, Linbo Guan, Ping Fan
BACKGROUND: The G994T polymorphism in platelet-activating factor acetylhydrolase (PAF-AH) gene is associated with the risk of polycystic ovary syndrome (PCOS). The aim of this study was to investigate the relationship between R92H and A379V variants of the PAF-AH gene and the risk of PCOS and to evaluate the effects of the genotypes on PAF-AH activities and clinical, metabolic and oxidative stress indexes in Chinese women. METHODS: A total of 862 patients with PCOS based on the Rotterdam consensus criteria and 750 control women from a population of Chinese Han nationality in the Chengdu area were studied from 2006-2015...
March 20, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28319591/psychopathological-assessment-of-risk-of-restraint-in-acute-psychiatric-patients
#7
Federico Dazzi, Lorenzo Tarsitani, Michele Di Nunzio, Valeria Trincia, Gabriella Scifoni, Giuseppe Ducci
The study aims to identify independent predictors of physical restraint in acute psychiatric patients and to determine the predictive power of a risk assessment model centered on psychopathological dimensions. We included 1552 patients admitted to a psychiatric intensive care unit over a 5-year period. Patients were rated on the Brief Psychiatric Rating Scale (BPRS-E) at admission. Principal axis factoring (PAF) with varimax rotation was performed on BPRS-E items to identify psychopathological factors. Multiple logistic regression analysis was performed...
March 18, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28299504/evaluation-of-net-acid-generation-ph-as-a-single-indicator-for-acid-forming-potential-of-rocks-using-geochemical-properties
#8
Chamteut Oh, Sangwoo Ji, Giljae Yim, Youngwook Cheong
The main purpose of this research was to evaluate the geochemical properties of rocks for a single indicator of acid-forming potential. The indicators, such as net acid generation (NAG), NAG pH and total S, were applied to 312 rock samples of various geological characteristics. Additional indicators, such as a Modified NAG pH, paste pH and available acid neutralizing capacity (ANC), were applied to 22 selected samples. Among them, NAG pH was considered the most plausible single indicator in evaluating acid-forming potential, as it is simple to measure, widely applicable to various samples and can be used to estimate the NAG value...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28292514/similarities-and-differences-between-coronary-heart-disease-and-stroke-in-the-associations-with-cardiovascular-risk-factors-the-japan-collaborative-cohort-study
#9
Masaaki Matsunaga, Hiroshi Yatsuya, Hiroyasu Iso, Kentaro Yamashita, Yuanying Li, Kazumasa Yamagishi, Naohito Tanabe, Yasuhiko Wada, Chaochen Wang, Atsuhiko Ota, Koji Tamakoshi, Akiko Tamakoshi
BACKGROUND AND AIMS: Coronary heart disease (CHD) and stroke have common risk factors, but some of these differ in the magnitude or direction of associations between CHD and stroke. We assessed whether the impact of each risk factor differed between CHD and stroke mortality in Asians. METHODS: In total, 104 910 subjects aged 40-79 years without histories of cancer, CHD and stroke at baseline were followed between 1988 and 2009. Competing-risks analysis was used to test for differences in the associations of each risk factor with two endpoints (CHD and stroke)...
March 6, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28288874/loss-of-exosomal-mir-320a-from-cancer-associated-fibroblasts-contributes-to-hcc-proliferation-and-metastasis
#10
Zhuochao Zhang, Xiao Li, Wei Sun, Shuqiang Yue, Jingyue Yang, Junjie Li, Ben Ma, Jianlin Wang, Xisheng Yang, Meng Pu, Bai Ruan, Ge Zhao, Qike Huang, Lin Wang, Kaishan Tao, Kefeng Dou
Cancer-associated fibroblasts (CAFs) play a pivotal role in regulating tumour progression. Therefore, understanding how CAFs communicate with hepatocellular carcinoma (HCC) is crucial for HCC therapy. Recently, exosomes have been considered an important "messenger" between cells. In this study, we performed microRNA (miRNA) sequencing of exosomes derived from CAFs and corresponding para-cancer fibroblasts (PAFs) of HCC patients. We found a significant reduction in the miR-320a level in CAF-derived exosomes...
March 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28287384/effects-of-potassium-adsorption-filters-on-the-removal-of-ammonia-from-blood-products
#11
Hiroshi Fujita, Yoko Shiotani, Yuko Takada, Shigeko Nishimura
BACKGROUND: Although ammonia in plasma does not usually pass through the blood-brain barrier (BBB), in cases of traumatic brain injury it may do so, acting as a neurotoxin on the brain. Excess intake of ammonia should be restricted in conditions involving BBB breakdown, such as traumatic brain injury. Washing is a method to remove ammonia from blood products, but fresh-frozen plasma and albumin products cannot be washed. A potassium adsorption filter (PAF) can remove not only potassium, but also ammonia from red blood cell solutions...
March 1, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28284555/reduction-in-population-exposure-to-pm2-5-and-cancer-risk-due-to-pm2-5-bound-pahs-exposure-in-beijing-china-during-the-apec-meeting
#12
Yangyang Xie, Bin Zhao, Yuejing Zhao, Qinzi Luo, Shuxiao Wang, Bin Zhao, Shunhua Bai
Radical measures for controlling ambient air pollution sources were employed by the Chinese government during the Asia-Pacific Economic Cooperation (APEC) meeting in 2014, providing a unique case to evaluate the health effect benefits from such measures. To examine the cancer risk reduction from the source control measures during the APEC meeting, we estimated the reduction in population exposure to PM2.5 and PAHs and the reduction in PAHs-associated cancer risk if the control measures were sustained over time...
March 8, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28284213/mathematical-modelling-and-a-systems-science-approach-to-describe-the-role-of-cytokines-in-the-evolution-of-severe-dengue
#13
S D Pavithra Jayasundara, S S N Perera, Gathsaurie Neelika Malavige, Saroj Jayasinghe
BACKGROUND: Dengue causes considerable morbidity and mortality in Sri Lanka. Inflammatory mediators such as cytokines, contribute to its evolution from an asymptotic infection to severe forms of dengue. The majority of previous studies have analysed the association of individual cytokines with clinical disease severity. In contrast, we view evolution to Dengue Haemorrhagic Fever as the behaviour of a complex dynamic system. We therefore, analyse the combined effect of multiple cytokines that interact dynamically with each other in order to generate a mathematical model to predict occurrence of Dengue Haemorrhagic Fever...
March 11, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28284197/case-review-of-perinatal-deaths-at-hospitals-in-kigali-rwanda-perinatal-audit-with-application-of-a-three-delays-analysis
#14
Aimable Musafili, Lars-Åke Persson, Cyprien Baribwira, Jessica Påfs, Patrick Adam Mulindwa, Birgitta Essén
BACKGROUND: Perinatal audit and the three-delays model are increasingly being employed to analyse barriers to perinatal health, at both community and facility level. Using these approaches, our aim was to assess factors that could contribute to perinatal mortality and potentially avoidable deaths at Rwandan hospitals. METHODS: Perinatal audits were carried out at two main urban hospitals, one at district level and the other at tertiary level, in Kigali, Rwanda, from July 2012 to May 2013...
March 11, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28283860/long-term-outcome-after-second-generation-cryoballoon-ablation-for-paroxysmal-atrial-fibrillation-a-3-years-follow-up
#15
Ken Takarada, Ingrid Overeinder, Carlo de Asmundis, Erwin Stroker, Giacomo Mugnai, Valentina de Regibus, Darragh Moran, Hugo Coutino-Moreno, Juan-Pablo Abugattas, Rajin Choudhury, Diego Ruggiero, Gaetano Paparella, Saverio Iacopino, Pedro Brugada, Gian-Battista Chierchia
BACKGROUND: The second-generation cryoballoon (cryoballoon Advance; CB-A) offers excellent outcomes on the mid-term follow-up. To the best of our knowledge, little is known regarding the long-term outcome after CB-A ablation for paroxysmal atrial fibrillation (AF). OBJECTIVE: The aim of the study was to evaluate the freedom from recurrence of AF during a 3-year follow-up period, among consecutive patients having undergone pulmonary vein isolation (PVI) with the CB-A for paroxysmal AF (PAF)...
March 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28279291/clinical-benefit-of-ablating-localized-sources-for-human-atrial-fibrillation-the-indiana-university-firm-registry
#16
John M Miller, Vikas Kalra, Mithilesh K Das, Rahul Jain, Jason B Garlie, Jordan A Brewster, Gopi Dandamudi
BACKGROUND: Mounting evidence shows that localized sources maintain atrial fibrillation (AF). However, it is unclear in unselected "real-world" patients if sources drive persistent atrial fibrillation (PeAF), long-standing persistent atrial fibrillation (LPeAF), or paroxysmal atrial fibrillation (PAF); if right atrial sites are important; and what the long-term success of source ablation is. OBJECTIVES: The aim of this study was to analyze the role of rotors and focal sources in a large academic registry of consecutive patients undergoing source mapping for AF...
March 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28277106/premenstrual-syndrome-and-fibromyalgia-the-frequency-of-the-coexistence-and-their-effects-on-quality-of-life
#17
Feray Soyupek, Cigdem Aydogan, Mehmet Guney, Seyit Ali Kose
OBJECTIVE: We aimed to investigate the association between Premenstrual syndrome (PMS) and fibromyalgia syndrome (FMS), to assess common symptoms and quality of life (QOL) of them. METHODS: Patients with PMS formed the PMS group and age-matched healthy normal controls were included in the control group. The diagnosis of the FMS and PMS were based on new American College of Rheumatology FMS criteria and DSM-IV PMS criteria. FMS-related symptoms assessed by visual analog scale and number of tender points (TePs) were analyzed...
March 5, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28270596/cigarette-smoke-induced-urothelial-cell-damage-potential-role-of-platelet-activating-factor
#18
Shannon E Kispert, John Marentette, E Cristian Campian, T Scott Isbell, Hannah Kuenzel, Jane McHowat
Cigarette smoking is an environmental risk factor associated with a variety of pathologies including cardiovascular disease, inflammation, and cancer development. Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic inflammatory bladder disease with multiple etiological contributors and risk factors associated with its development, including cigarette smoking. Previously, we determined that cigarette smoking was associated with bladder wall accumulation of platelet activating factor (PAF), a potent inflammatory mediator that facilitates transendothelial cell migration of inflammatory cells from the circulation...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28270117/antepartum-complications-and-perinatal-mortality-in-rural-bangladesh
#19
Rasheda Khanam, Saifuddin Ahmed, Andreea A Creanga, Nazma Begum, Alain K Koffi, Arif Mahmud, Heather Rosen, Abdullah H Baqui
BACKGROUND: Despite impressive improvements in maternal survival throughout the world, rates of antepartum complications remain high. These conditions also contribute to high rates of perinatal deaths, which include stillbirths and early neonatal deaths, but the extent is not well studied. This study examines patterns of antepartum complications and the risk of perinatal deaths associated with such complications in rural Bangladesh. METHODS: We used data on self-reported antepartum complications during the last pregnancy and corresponding pregnancy outcomes from a household survey (N = 6,285 women) conducted in Sylhet district, Bangladesh in 2006...
March 7, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28267572/pneumolysin-mediates-heterotypic-aggregation-of-neutrophils-and-platelets-in%C3%A2-vitro
#20
Jan G Nel, Chrisna Durandt, Annette J Theron, Gregory R Tintinger, Roger Pool, Guy A Richards, Timothy J Mitchell, Charles Feldman, Ronald Anderson
OBJECTIVES: Platelets orchestrate the inflammatory activities of neutrophils, possibly contributing to pulmonary and myocardial damage during severe pneumococcal infection. This study tested the hypothesis that the pneumococcal toxin, pneumolysin (Ply), activates production of platelet-activating factor (PAF) and thromboxane A2 (TxA2) by neutrophils, these bioactive lipids being potential mediators of neutrophil:platelet (NP) networking. METHODS: The effects of recombinant Ply (10-80 ng mL(-1)) on the production of PAF and TxA2 by isolated neutrophils were measured using ELISA procedures, and NP aggregation by flow cytometry...
March 4, 2017: Journal of Infection
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