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https://www.readbyqxmd.com/read/28930628/estimation-and-inference-for-the-mediation-proportion
#1
Daniel Nevo, Xiaomei Liao, Donna Spiegelman
In epidemiology, public health and social science, mediation analysis is often undertaken to investigate the extent to which the effect of a risk factor on an outcome of interest is mediated by other covariates. A pivotal quantity of interest in such an analysis is the mediation proportion. A common method for estimating it, termed the "difference method", compares estimates from models with and without the hypothesized mediator. However, rigorous methodology for estimation and statistical inference for this quantity has not previously been available...
September 20, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28928761/hormonal-regulation-in-shade-avoidance
#2
REVIEW
Chuanwei Yang, Lin Li
At high vegetation density, shade-intolerant plants sense a reduction in the red (660 nm) to far-red (730 nm) light ratio (R/FR) in addition to a general reduction in light intensity. These light signals trigger a spectrum of morphological changes manifested by growth of stem-like tissue (hypocotyl, petiole, etc.) instead of harvestable organs (leaves, fruits, seeds, etc.)-namely, shade avoidance syndrome (SAS). Common phenotypical changes related to SAS are changes in leaf hyponasty, an increase in hypocotyl and internode elongation and extended petioles...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28927517/health-related-quality-of-life-and-mental-health-of-adults-with-atopic-dermatitis
#3
Yeunhee Kwak, Yoonjung Kim
AIM: This cross-sectional study aimed to examine the association between the prevalence of atopic dermatitis in Korean adults and their health-related quality of life and mental health. METHODS: Data from a nationally representative sample of 11,913 adults who participated in the Korea National Health and Nutrition Examination Survey V (2010-2012) were analyzed by using SAS version 9.3. RESULTS: The adults with atopic dermatitis had significantly lower quality of life and higher stress than did those without it...
October 2017: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/28927383/blended-learning-with-moodle-in-medical-statistics-an-assessment-of-knowledge-attitudes-and-practices-relating-to-e-learning
#4
Li Luo, Xiaohua Cheng, Shiyuan Wang, Junxue Zhang, Wenbo Zhu, Jiaying Yang, Pei Liu
BACKGROUND: Blended learning that combines a modular object-oriented dynamic learning environment (Moodle) with face-to-face teaching was applied to a medical statistics course to improve learning outcomes and evaluate the impact factors of students' knowledge, attitudes and practices (KAP) relating to e-learning. METHODS: The same real-name questionnaire was administered before and after the intervention. The summed scores of every part (knowledge, attitude and practice) were calculated using the entropy method...
September 19, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28927087/gimeracil-enhances-the-antitumor-effect-of-cisplatin-in-oral-squamous-cell-carcinoma-cells-in-vitro-and-in-vivo
#5
Koji Harada, Tarannum Ferdous, Toyoko Harada, Takanori Takenawa, Yoshiya Ueyama
Gimeracil or 5-chloro-2,4-dihydroxypyridine (CDHP) enhances the antitumor effects of 5-fluorouracil (5-FU) by inhibiting dihydropyrimidine dehydrogenase (DPD), which is involved in the degradation of 5-FU. CDHP, as part of a combination therapy, was also reported to exert a radiosensitizing effect. Therefore, CDHP may have underlying mechanisms of action other than DPD inhibition. The focus of the present study was to investigate the antitumor effects of CDHP and cisplatin (CDDP) combination treatment in vitro and in vivo against oral squamous cell carcinoma (OSCC) tumors...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28925034/a-randomized-clinical-trial-on-the-efficacy-of-a-new-oxalate-containing-sensitivity-relief-strip-following-professional-vs-self-application
#6
M A Drake, P A Lenton, S A Lunos
OBJECTIVES: The purpose of this study was to determine the efficacy of 3.14% dipotassium oxalate monohydrate-containing strip on the relief of dentinal hypersensitivity (DH). A second objective was to determine whether there was a difference in DH levels when the strip was self-applied vs applied by a dental professional. METHODS: Sixty subjects were randomized into self-applied, professionally applied or placebo-strip groups. Dentinal hypersensitivity was evaluated by a blinded examiner, using the Schiff Air Scale (SAS)...
September 19, 2017: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/28924059/pygopus2-expression-in-prostatic-adenocarcinoma-is-a-potential-risk-stratification-marker-for-psa-progression-following-radical-prostatectomy
#7
Kenneth R Kao, Paul Popadiuk, John Thoms, Satoko Aoki, Shahgul Anwar, Emily Fitzgerald, Phillip Andrews, Kim Voisey, Luis Gai, Satya Challa, Zhijian He, Paola Gonzales-Aguirre, Andrea Simmonds, Catherine Popadiuk
AIMS: Prostate cancer (PrCa) is the most frequently diagnosed non-cutaneous cancer in men. Without clear pathological indicators of disease trajectory at diagnosis, management of PrCa is challenging, given its wide-ranging manifestation from indolent to highly aggressive disease. This study examines the role in PrCa of the Pygopus (PYGO)2 chromatin effector protein as a risk stratification marker in PrCa. METHODS: RNA expression was performed in PrCa cell lines using Northern and RT-PCR analyses...
September 18, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28922410/cesarean-section-without-medical-indication-and-risk-of-childhood-asthma-and-attenuation-by-breastfeeding
#8
Shuyuan Chu, Qian Chen, Yan Chen, Yixiao Bao, Min Wu, Jun Zhang
BACKGROUND: Previous studies suggest that caesarean section (CS) may increase the risk of asthma in children, but none of them could preclude potential confounding effects of underlying medical indications for CS. We aim to assess the association between CS itself (without medical indications) and risk of childhood asthma. METHODS: We conducted a hospital-based case-control study on childhood asthma with 573 cases and 812 controls in Shanghai. Unconditional logistic regression models in SAS were employed to control for potential confounders...
2017: PloS One
https://www.readbyqxmd.com/read/28914115/knowledge-attitudes-and-perspective-on-adverse-drug-reaction-reporting-in-a-public-sector-hospital-in-south-africa-baseline-analysis
#9
Antionette Terblanche, Johanna Catharina Meyer, Brian Godman, Robert Stanley Summers
BACKGROUND AND AIMS: Adverse drug reactions (ADRs) can cause significant harm in patients; however, ADRs are under-reported in many countries, including South Africa, where evidence of a pharmacovigilance (PV) system to monitor and manage ADRs is a requirement for compliance with norms and standards for quality healthcare delivery. We conducted an analysis amongst health care professionals (HCPs) at Sebokeng Hospital to assess the situation there. METHODS: Data were collected using a structured self-administered questionnaire, targeting all medical practitioners, nurses, pharmacists and pharmacist assistants in the hospital...
September 15, 2017: Hospital Practice (Minneapolis)
https://www.readbyqxmd.com/read/28913876/an-assessment-of-participant-described-interprofessional-oral-health-referral-systems-across-rurality
#10
Sean G Boynes, Abigail Lauer, Mark Deutchman, Amy B Martin
PURPOSE: As a means to identify and quantify oral health interprofessional collaborative practice (IPP), we examined participant-described medical-to-dental (M2D) referral networks and how they function across rurality. METHODS: We conducted a cross-sectional survey on the appraisal of IPP referral systems in 2016. Secondarily, we examined if rural health clinics (RHCs) have different experiences with M2D referrals compared to other practice types. Independent variables included geographic and organizational indicators, referral system attributes, and respondent characteristics...
September 15, 2017: Journal of Rural Health
https://www.readbyqxmd.com/read/28912192/mechanical-cervical-ripening-for-women-with-prolongedpregnancies-magpop-protocol-for-a-randomised-controlled-trial-of-a-silicone-double-balloon-catheter-versus-the-propess-system-for-the-slow-release-of-dinoprostone-for-cervical-ripening-of-prolonged-pregnancies
#11
Caroline Diguisto, Amélie Le Gouge, Bruno Giraudeau, Franck Perrotin
INTRODUCTION: Induction of labour for prolonged pregnancies (PP) when the cervix is unfavourable is a challenging situation. Cervical ripening by pharmacological or mechanical techniques before oxytocin administration is used to increase the likelihood of vaginal delivery. Both techniques are equally effective in achieving vaginal delivery but excessive uterine activity, which induces fetal heart rate (FHR) anomalies, is more frequent after the pharmacological intervention. We hypothesised that mechanical cervical ripening could reduce the caesarean rate for non-reassuring FHR especially in PP where fetuses are already susceptible to this...
September 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/28910972/sas-ptp10d-signaling-drives-tumor-suppressive-cell-competition
#12
Lu He, Hong Zhou, Hong Liu, Hongtao Qu
No abstract text is available yet for this article.
September 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28910189/associations-among-omega-3-fatty-acid-status-anxiety-and-mental-toughness-in-female-collegiate-athletes
#13
Patrick B Wilson, Leilani A Madrigal
OBJECTIVE: Poor omega-3 fatty acid status has been linked to anxiety in the general population, but scarce data are available describing omega-3 fatty acid levels in athletes and their associations with anxiety and mental toughness. METHODS: Whole blood samples were obtained from 54 female collegiate athletes and analyzed for fatty acids as a part of this cross-sectional observational study. Participants also completed a food frequency questionnaire on the intake of omega-3 fatty acids, as well as the Beck Anxiety Inventory (BAI), Sport Anxiety Scale (SAS)-2, and Mental Toughness Scale (MTS)...
September 14, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28905003/an-immediate-effect-of-pnf-specific-mobilization-on-the-angle-of-trunk-rotation-and-the-trunk-pelvis-hip-angle-range-of-motion-in-adolescent-girls-with-double-idiopathic-scoliosis-a-pilot-study
#14
A Stępień, K Fabian, K Graff, M Podgurniak, A Wit
BACKGROUND: Impairment of spine rotation is a key concept in several theories explaining the pathogenesis and progression of scoliosis. In previous studies, a more limited range of motion in scoliotic girls compared to their non-scoliotic peers was noted. The Trunk-Pelvis-Hip Angle measurement is a test used to assess the range of motion in the trunk-pelvis-hip complex in the transverse plane. The aim of this study was to assess an immediate effect of Proprioceptive Neuromuscular Facilitation specific mobilization (mPNF) on the angle of trunk rotation and Trunk-Pelvis-Hip Angle range of motion in adolescent girls with double scoliosis...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28904912/assessment-of-anxiety-level-of-emergency-health-care-workers-by-generalized-anxiety-disorder-7-tool
#15
Nesrin Alharthy, Osama Abdulrahman Alrajeh, Mohammed Almutairi, Ahmed Alhajri
BACKGROUND: Dealing with emergency patients is considered to be a stressful situation to all health-care workers in the emergency department (ED). Prolonged stress predispose to physical and inconsequential psychiatric disturbances. Anxiety and depressive mode were found to be the most commonly experienced psychiatric manifestation among emergency health-care workers. The aim of this study is to screen and assess the severity of anxiety among health professionals working in ED. METHODS: Cross-sectional study design was used...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28899536/utility-of-new-generation-pacemakers-in-sleep-apnea-screening
#16
Margarida Dias, Inês Gonçalves, Bruno Amann, Pedro Marques, Cristina Martinho, Catarina Leitão, Rita Pinto Basto, João de Sousa, Paula Pinto, Cristina Bárbara
OBJECTIVE: Patients with cardiac pacemakers present a high prevalence of undiagnosed sleep apnea syndrome (SAS). New-generation pacemakers have algorithms that identify sleep respiratory events. Our aim was to evaluate their accuracy in the diagnosis of SAS. METHODS: We performed a prospective study that included patients with new-generation pacemakers (Reply 200 pacemakers). All patients underwent a polysomnography (PSG). On the same night, the respiratory disturbance index of the PSG (RDI-PSG) and of the pacemaker (RDI-PM) were recorded...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28899535/efficacy-and-safety-of-acupuncture-treatment-on-primary-insomnia-a%C3%A2-randomized-controlled-trial
#17
Xuan Yin, Minghui Gou, Jian Xu, Bo Dong, Ping Yin, Fernand Masquelin, Junyi Wu, Lixing Lao, Shifen Xu
OBJECTIVE: The objective of this study was to evaluate the efficacy and safety of acupuncture treatment for primary insomnia. METHODS: We conducted a single-center, single-blinded, and randomized controlled clinical trial. Seventy-two patients with primary insomnia were randomly assigned into two groups - the acupuncture group, who received acupuncture treatment, and the control group, who received sham acupuncture treatment. The treatment was given three times a week for four weeks...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28895035/splenectomy-vs-rituximab-as-a-second-line-therapy-in-immune-thrombocytopenic-purpura-a-single-center-experience
#18
Ahmed S Al Askar, Naila A Shaheen, Mohsen Al Zahrani, Mohammed G Al Otaibi, Bader S Al Qahtani, Faris Ahmed, Mohand Al Zughaibi, Ismat Kamran, May Anne Mendoza, Altaf Khan
Immune thrombocytopenic purpura (ITP) is a common hematological disease treated primarily by corticosteroids. The aim of the present study was to compare response rate between patients, underwent splenectomy vs. rituximab as second-line therapy. Adult patients diagnosed with ITP who did not respond to corticosteroids or relapsed during the period 1990-2014 were included in a quasi-experimental study. Categorical variables were compared using Fisher exact test. Response to treatment was compared using logistic regression...
September 11, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28894706/the-effectiveness-of-electrical-acupuncture-stimulation-in-reducing-levels-of-self-reported-anxiety-of-lung-cancer-patients-during-palliative-care-a-pilot-study
#19
Yin-Qing Hu, Yi-Fan Wu, Li-Li Hou
BACKGROUND: Lung cancer is a serious threat to human health and life worldwide. Anxiety is common amongst palliative care patients with lung cancer and adversely affects quality of life. Acupuncture is an effective and safe treatment method used for the treatment of depressive mood status. We aimed to assess the influence of electrical acupuncture stimulation on self-reported anxiety in palliative care among patients with lung cancer. METHODS: This pilot study had an experimental, 3-group, research plan...
August 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28892714/genetic-and-environmental-influences-on-stability-and-change-in-baseline-levels-of-c-reactive-protein-a-longitudinal-twin-study
#20
Arthur A Sas, Ahmad Vaez, Yalda Jamshidi, Ilja M Nolte, Zoha Kamali, Timothy D Spector, Harriëtte Riese, Harold Snieder
BACKGROUND AND AIMS: Cross-sectional twin and family studies report a moderate heritability of baseline levels of C-reactive protein (CRP), ranging from 0.10 to 0.65 for different age ranges. Here, we investigated the stability and relative impact of genetic and environmental factors underlying serum levels of CRP, using a longitudinal classical twin design. METHODS: A maximum of 6201 female twins from the TwinsUK registry with up to three CRP measurements (i.e...
August 31, 2017: Atherosclerosis
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