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https://www.readbyqxmd.com/read/27923181/combined-oral-contraceptive-use-is-associated-with-both-improvement-and-worsening-of-mood-in-the-different-phases-of-the-treatment-cycle-a-double-blind-placebo-controlled-randomized-trial
#1
Cecilia Lundin, Kristina Gemzell Danielsson, Marie Bixo, Lena Moby, Hanna Bengtsdotter, Izabella Jawad, Lena Marions, Jan Brynhildsen, Agota Malmborg, Ingela Lindh, Inger Sundström Poromaa
OBJECTIVE: Ever since the introduction of combined oral contraception (COC), one of the major reasons for discontinuing the pill use has been mood-related side effects. Moreover, women who discontinue the pill turn to less effective methods whereby the probability of an unintended conception increases. Approximately 4-10% of COC users complain of depressed mood, irritability or increased anxiety, but drug-related causality has been difficult to prove. Given the lack of randomized controlled trials in this area, we aimed to prospectively estimate the severity of adverse mood in COC users that would be as representative of general users as possible...
November 29, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27923172/development-and-validation-of-a-predictive-model-for-chronic-kidney-disease-progression-in-type-2-diabetes-mellitus-based-on-a-13-year-study-in-singapore
#2
Serena Low, Su Chi Lim, Xiao Zhang, Shiyi Zhou, Lee Ying Yeoh, Yan Lun Liu, Subramaniam Tavintharan, Chee Fang Sum
AIMS: This study aims to develop and validate a predictive model for Chronic Kidney Disease (CKD) progression in Type 2 Diabetes Mellitus (T2DM). METHODS: We conducted a prospective study on 1582 patients with T2DM from a Diabetes Centre in regional hospital in 2002-2014. CKD progression was defined as deterioration across eGFR categories with ⩾25% drop from baseline. The dataset was randomly split into development (70%) and validation (30%) datasets. Stepwise multivariable logistic regression was used to identify baseline predictors for model development...
November 22, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/27923099/cesarean-birth-is-not-associated-with-early-childhood-body-mass-index
#3
L G Smithers, B W Mol, L Jamieson, J W Lynch
Cesarean birth leads to a markedly different microbiome compared to vaginal birth, and the microbiome has been implicated in childhood obesity. Among mothers who had a previous cesarean, we compared anthropometry of 3- to 6-year-old children who were subsequently born by cesarean section versus vaginal birth. This large population-based study involved linking de-identified administrative perinatal and anthropometric data. Children's weight and height were collected at community-based clinics and converted to age- and sex-adjusted z-scores of height-for-age (HFAz), weight-for-age (WFAz) and BMI-for-age (BMIz)...
December 6, 2016: Pediatric Obesity
https://www.readbyqxmd.com/read/27922885/ventricular-assist-device-implantation-configurations-impact-overall-mechanical-circulatory-support-system-thrombogenic-potential
#4
Wei-Che Chiu, Yared Alemu, Allison J McLarty, Shmuel Einav, Marvin J Slepian, Danny Bluestein
Ventricular assist devices (VAD) became in recent years the standard of care therapy for advanced heart failure with hemodynamic compromise. With the steadily growing population of device recipients, various post-implant complications have been reported, mostly associated with the hyper-shear generated by VADs that enhance their thrombogenicity by activating platelets. While VAD design optimization can significantly improve its thromboresistance, the implanted VAD need to be evaluated as part of a system. Several clinical studies indicated that variability in implantation configurations may contribute to the overall system thrombogenicity...
December 2, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27922745/optimization-of-linezolid-treatment-regimens-for-gram-positive-bacterial-infections-based-on-pharmacokinetic-pharmacodynamic-analysis
#5
Minjie Yang, Jing Zhang, Yuancheng Chen, Xiaoyu Liang, Yan Guo, Jicheng Yu, Demei Zhu, Yingyuan Zhang
AIM: To optimize linezolid treatment regimens for Gram-positive bacterial infections based on pharmacokinetic/pharmacodynamic analysis. MATERIALS & METHODS: The minimum inhibitory concentration (MIC) distribution of 572 Gram-positive strains from patients with clinically confirmed infections was analyzed. Using the Monte Carlo simulation method, the cumulative fraction of response and probability of target attainment were determined for linezolid regimens of 600 mg q...
December 6, 2016: Future Microbiology
https://www.readbyqxmd.com/read/27922684/excess-mechanical-stress-and-hydrogen-peroxide-remodel-extracellular-matrix-of-cultured-human-uterosacral-ligament-fibroblasts-by-disturbing-the-balance-of-mmps-timps-via-the-regulation-of-tgf%C3%A2-%C3%AE-1-signaling-pathway
#6
Qifan Zhang, Cheng Liu, Shasha Hong, Jie Min, Qing Yang, Ming Hu, Yang Zhao, Li Hong
The regulation of the extracellular matrix (ECM) by mechanical stress is of interest as the ECM is essential in the development of pelvic organ prolapse. In the present study, the effect of overexposure to mechanical stress on the ECM, and the probable underlying mechanisms in cultured human uterosacral ligament fibroblasts (hUSLFs), was explored. Mechanical stress has an effect on oxidation‑antioxidation products in parametrial ligament fibroblasts. Thus, hUSLFs were incubated with different concentrations of hydrogen peroxide to elucidate any potential interactions...
December 6, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922589/does-adding-a-second-antipsychotic-to-clozapine-improve-clinical-response-in-resistant-schizophrenia
#7
Magdalena Jiménez-Cornejo, Gonzalo Munizaga, David Aceituno
Clozapine constitutes the treatment of choice in patients with schizophrenia with persisting symptoms despite antipsychotics at adequate dose and treatment duration. However, an important proportion does not respond to optimal doses of clozapine, so the addition of a second antipsychotic might increase clinical response. Searching in Epistemonikos database, which is maintained by screening multiple databases, we identified 17 systematic reviews comprising 62 studies addressing the question of this article, including 26 randomized trials...
December 2, 2016: Medwave
https://www.readbyqxmd.com/read/27922588/does-the-addition-of-ezetimibe-to-statins-reduce-cardiovascular-risk
#8
Francisca I Araya, Bruno Grassi
Statins are the mainstay of lipid-lowering therapy nowadays, since they reduce cardiovascular risk when used as primary or secondary prevention. However, only one third of the patients reach the goals established in several guidelines, and even if they do, they keep a risk higher than healthy controls. One of the new lipid-lowering agents is ezetimibe. Searching in Epistemonikos database, which is maintained by screening multiple databases, we identified nine systematic reviews comprising 67 trials overall...
December 5, 2016: Medwave
https://www.readbyqxmd.com/read/27922585/are-erythropoiesis-stimulating-agents-beneficial-for-anemia-in-chronic-heart-failure-patients
#9
Diego Araneda, Gabriel Rada
Anemia is a common comorbidity among patients with chronic health failure and appears to be associated with increased mortality and morbidity. However, it is unclear whether correcting it with erythropoiesis stimulating agents improves clinical outcomes. Searching in Epistemonikos database, which is maintained by screening 30 databases, we identified 11 systematic reviews including 17 trials overall addressing the question of this article. We combined the evidence using meta-analysis and generated a summary of findings following the GRADE approach...
November 23, 2016: Medwave
https://www.readbyqxmd.com/read/27922463/the-dangers-of-estimating-v%C3%AB-o2max-using-linear-nonexercise-prediction-models
#10
Alan M Nevill, Carlton B Cooke
PURPOSE: To compare the accuracy and goodness-of-fit of two competing models (linear versus allometric) when estimating V˙O2max (ml.kg.min) using non-exercise prediction models. METHODS: The two competing models were fitted to the V˙O2max (ml.kg.min) data taken from two previously published studies. Study 1 (the Allied Dunbar National Fitness Survey, ADNFS), recruited 1732 randomly selected healthy participants, aged 16 years and over, from thirty English parliamentary constituencies...
December 1, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27922286/central-pontine-myelinolysis-during-pregnancy-pathogenesis-diagnosis-and-management
#11
María Luisa Sánchez-Ferrer, María Teresa Prieto-Sánchez, Rodrigo Orozco-Fernández, Francisco Machado-Linde, Anibal Nieto-Diaz
Central pontine myelinolysis (CPM) is a rare condition usually caused by rapid sodium correction in hyponatraemia after a severe neurological syndrome. Only few cases have been reported during pregnancy, most of which were reported in patients with hyperemesis. We describe the successful management of the first case of twin pregnancy in a patient who presented with CPM after treatment for premature labour and then review the literature on CPM in pregnancy (aetiology, diagnosis and management). Our patient required emergency delivery to achieve electrolyte and fluid balance...
December 6, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27922255/risk-factors-for-nocturnal-hypoxemia-in-severe-osa-patients
#12
Eric Deflandre, Damien Kempeneers, Stephanie Degey, Robert Poirrier, Pascal Legros, Jean F Brichant, Jean Joris
BACKGROUND: Severe obstructive sleep apnea (sOSA) and oxygen desaturations are both risk factors for postoperative complications. In some but not all patients, sOSA is associated with frequent oxygen desaturation episodes during sleep. The aim of this retrospective study was to identify the risk factors for exhibiting oxygen desaturation in patients with sOSA. METHODS: Records of 786 patients, mainly obese (Body Mass Index [mean + SD] = 30.2 + 6.0 kg/m2), were analyzed...
December 6, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27922248/recessive-congenital-methemoglobinemia-in-immediate-generations
#13
Deniz Aslan, Gülsan Türköz-Sucak, Melanie Joan Percy
We report herein on our observation of recessive congenital methemoglobinemia (type I), an autosomal recessive disorder, in immediate generations (in a mother and her daughter). Molecular analysis revealed a mechanism of inheritance not reported previously, despite the high probability of occurrence in autosomal recessive disorders. This report is also the first publication describing an extremely rare mutation (Arg50Gln) causing this disorder in the Turkish population.
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922193/phagocytosis-of-collagen-fibrils-by-fibroblasts-in-vivo-is-independent-of-the-uparap-endo180-receptor
#14
Sara Sprangers, Niels Behrendt, Lars Engelholm, Yixuan Cao, Vincent Everts
As a crucial step in ECM remodeling, collagen degradation occurs through different processes, including both extracellular and intracellular degradation. The extracellular pathways of collagen degradation require secretion of collagenolytic proteases, whereas intracellular collagen degradation occurs in the lysosomal compartment after uptake, involving either pre-cleaved or intact fibrillar collagen. The endocytic collagen receptor uPARAP/Endo180 plays an important role in internalization of large collagen degradation products, whereas its role in the phagocytosis of fibrillar collagen has been debated...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27922127/variability-of-space-use-patterns-in-a-free-living-eusocial-rodent-ansell-s-mole-rat-indicates-age-based-rather-than-caste-polyethism
#15
Jan Šklíba, Matěj Lövy, Hynek Burda, Radim Šumbera
Eusocial species of African mole-rats live in groups cooperating on multiple tasks and employing division of labour. In captivity, individuals of the same group differ in cooperative contribution as well as in preference for a particular task. Both can be viewed as polyethism. However, little information is available from free-ranging mole-rats, which live in large burrow systems. We made an attempt to detect polyethism in the free-living Ansell's mole-rat (Fukomys anselli) as differences in individuals' space-use patterns...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922097/arctic-megaslide-at-presumed-rest
#16
Wolfram H Geissler, A Catalina Gebhardt, Felix Gross, Jutta Wollenburg, Laura Jensen, Mechita C Schmidt-Aursch, Sebastian Krastel, Judith Elger, Giacomo Osti
Slope failure like in the Hinlopen/Yermak Megaslide is one of the major geohazards in a changing Arctic environment. We analysed hydroacoustic and 2D high-resolution seismic data from the apparently intact continental slope immediately north of the Hinlopen/Yermak Megaslide for signs of past and future instabilities. Our new bathymetry and seismic data show clear evidence for incipient slope instability. Minor slide deposits and an internally-deformed sedimentary layer near the base of the gas hydrate stability zone imply an incomplete failure event, most probably about 30000 years ago, contemporaneous to or shortly after the Hinlopen/Yermak Megaslide...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922053/electrophysiological-properties-of-ca1-pyramidal-neurons-along-the-longitudinal-axis-of-the-mouse-hippocampus
#17
Giampaolo Milior, Maria Amalia Di Castro, Livio Pepe' Sciarria, Stefano Garofalo, Igor Branchi, Davide Ragozzino, Cristina Limatola, Laura Maggi
Evidence for different physiological properties along the hippocampal longitudinal axis is emerging. Here, we examined the electrophysiological features of neurons at different dorso-ventral sites of the mouse CA1 hippocampal region. Cell position was defined with respect to longitudinal coordinates of each slice. We measured variations in neuronal excitability, subthreshold membrane properties and neurotransmitter responses along the longitudinal axis. We found that (i) pyramidal cells of the dorsal hippocampus (DH) were less excitable than those of the ventral hippocampus (VH)...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921992/the-hubble-trial-haemorrhoidal-artery-ligation-hal-versus-rubber-band-ligation-rbl-for-symptomatic-second-and-third-degree-haemorrhoids-a-multicentre-randomised-controlled-trial-and-health-economic-evaluation
#18
Steven Brown, Jim Tiernan, Katie Biggs, Daniel Hind, Neil Shephard, Mike Bradburn, Allan Wailoo, Abualbishr Alshreef, Lizzie Swaby, Angus Watson, Simon Radley, Oliver Jones, Paul Skaife, Anil Agarwal, Pasquale Giordano, Marc Lamah, Mark Cartmell, Justin Davies, Omar Faiz, Karen Nugent, Andrew Clarke, Angus MacDonald, Phillip Conaghan, Paul Ziprin, Rohit Makhija
BACKGROUND: Optimal surgical intervention for low-grade haemorrhoids is unknown. Rubber band ligation (RBL) is probably the most common intervention. Haemorrhoidal artery ligation (HAL) is a novel alternative that may be more efficacious. OBJECTIVE: The comparison of HAL with RBL for the treatment of grade II/III haemorrhoids. DESIGN: A multicentre, parallel-group randomised controlled trial. PERSPECTIVE: UK NHS and Personal Social Services...
November 2016: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/27921437/-adaptation-of-adipose-tissue-to-weight-reduction-energy-restricted-diet-in-obese-individuals
#19
Vladimír Štich
Obesity is associated with a number of metabolic disorders that lead to the development of type 2 diabetes, hyperlipidemia and ultimately cardiovascular diseases. An important role in the pathogenesis of metabolic disorders accompanying obesity is probably played by the alterations of adipose tissue characteristics: metabolic, endocrine and immune functions. The key component of obesity treatment, the weight-reduction energy-restricted diet, leads not only to the reduction of weight (specifically fat mass), but also to correction of obesity accompanying metabolic disorders...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921430/-obstructive-sleep-apnoea-and-type-2-diabetes-mellitus
#20
Andrea Plíhalová, Kateřina Westlake, Jan Polák
Obstructive sleep apnoea syndrome (OSA) is a disease very frequently occurring in people with type 2 diabetes, that significantly increases cardiovascular morbidity and mortality. In a number of studies, OSA has been identified as an independent risk factor for the development of insulin resistance, glucose intolerance and type 2 diabetes mellitus. Disorders of glucose homeostasis in patients with OSA are probably mediated by chronic intermittent hypoxia and/or sleep fragmentation through activation of the sympathetic nervous system, the hypothalamic-pituitary-adrenal stress axis, pro-inflammatory paths or oxidative stress...
2016: Vnitr̆ní Lékar̆ství
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