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https://www.readbyqxmd.com/read/28109188/impoverishing-effects-of-catastrophic-health-expenditures-in-malawi
#1
Martina Mchenga, Gowokani Chijere Chirwa, Levison S Chiwaula
BACKGROUND: Out of pocket (OOP) health spending can potentially expose households to risk of incurring large medical bills, and this may impact on their welfare. This work investigates the effect of catastrophic OOP on the incidence and depth of poverty in Malawi. METHODS: The paper is based on data that was collected from 12,271 households that were interviewed during the third Malawi integrated household survey (IHS-3). The paper considered a household to have incurred a catastrophic health expenditure if the share of health expenditure in the household's non-food expenditure was greater than a given threshold ranging between 10 and 40%...
January 21, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28109160/antibiotics-for-infection-prevention-after-excision-of-the-cervical-transformation-zone
#2
REVIEW
Chumnan Kietpeerakool, Bandit Chumworathayi, Jadsada Thinkhamrop, Butsakorn Ussahgij, Pisake Lumbiganon
BACKGROUND: Excision of the transformation zone of the cervix is the most commonly used approach to treat cervical precancerous lesions (cervical intraepithelial neoplasia (CIN)) to reduce the risk of developing cervical cancer. As the excision of the transformation zone leaves a raw area on the cervix, there is a risk of infection following the procedure. The incidence of infection after cold knife conization (CKC) is 36%, whereas the incidence for large loop excision of the transformation zone (LLETZ, also known as loop electrical excision procedure (LEEP)) is much lower (0...
January 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28109138/adaptations-in-the-microarchitecture-and-load-distribution-of-maternal-cortical-and-trabecular-bone-in-response-to-multiple-reproductive-cycles-in-rats
#3
Chantal M J de Bakker, Allison R Altman-Singles, Yihan Li, Wei-Ju Tseng, Connie Li, X Sherry Liu
Pregnancy, lactation, and weaning result in dramatic changes in maternal calcium metabolism. In particular, the increased calcium demand during lactation causes a substantial degree of maternal bone loss. This reproductive bone loss has been suggested to be largely reversible, as multiple clinical studies have found that parity and lactation history have no adverse effect on post-menopausal fracture risk. However, the precise effects of pregnancy, lactation, and post-weaning recovery on maternal bone structure are not well understood...
January 21, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28109119/serotonin-transporter-protects-the-placental-cells-against-apoptosis-in-caspase-3-independent-pathway
#4
Coedy Hadden, Tariq Fahmi, Anthonya Cooper, Alena V Savenka, Vladimir V Lupashin, Drucilla J Roberts, Luc Maroteaux, Sylvie Hauguel-de Mouzon, Fusun Kilic
Serotonin (5-HT) and its specific transporter, SERT play important roles in pregnancy. Using placentas dissected from 18d gestational SERT-knock out (KO), peripheral 5-HT (TPH1)-KO and wild-type (WT) mice, we explored the role of 5-HT and SERT in placental functions in detail. An abnormal thick band of fibrosis and necrosis under the giant cell layer in SERT-KO placentas appeared only moderately in TPH1-KO and minimally present in WT placentas. The majority of the changes were located at the junctional zone of the placentas in SERT...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109112/-targeted-imaging-ability-of-a-biotinylated-imaging-probe-biotin-s-s-rhodol-for-breast-cancer-cells-in-vitro
#5
Bi-Juan Wu, Xing-Zi Zhou, Jing-Wen Sun, Cui-Wen Tan, Xin-Rong Wu
OBJECTIVE: To investigate performance of a biotinylated imaging probe 3a for targeted imaging of breast cancer cells. METHODS: Ultraviolet absorption spectrum and fluorescence spectrum were employed to analyze the spectral characteristics of 3a. The fluorescence spectrums of 3a treated with different concentrations of glutathione (GSH) were obtained to determine the sensibility of 3a to GSH. Flow cytometry was used to determine the cellular uptake of 3a by MCF-7 cells, MDA-MB-231 cells and Hs 578Bst cells in the presence or absence of biotin, and the imaging performance of 3a in the 3 cell lines was assessed under an inverted fluorescent microscope...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108929/jaboya-sex-for-fish-a-qualitative-analysis-of-contextual-risk-factors-for-extramarital-partnerships-in-the-fishing-communities-in-western-kenya
#6
Zachary A Kwena, Chris A Shisanya, Elizabeth A Bukusi, Janet M Turan, Shari L Dworkin, Grace A Rota, Isaac J Mwanzo
Extramarital partnerships exacerbate high HIV prevalence rates in many communities in sub-Saharan Africa. We explored contextual risk factors and suggested interventions to reduce extramarital partnerships among couples in the fishing communities on Lake Victoria, Kenya. We conducted 12 focus group discussions with 9-10 participants each (N = 118) and 16 in-depth interviews (N = 16) with fishermen and their spouses. Couples who participated were consented and separated for simultaneous gender-matched discussions/interviews...
January 20, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28108897/a-critical-appraisal-of-endovascular-stent-grafts-in-the-management-of-abdominal-aortic-aneurysms
#7
REVIEW
Nikolaos Schoretsanitis, Efstratios Georgakarakos, Christos Argyriou, Kiriakos Ktenidis, George S Georgiadis
Endovascular repair of abdominal aortic aneurysms has widely replaced the open surgical repair due to its minimal invasive nature and the accompanying lower perioperative mortality and morbidity. During the past two decades, certain improvements and developments have provided a wide variety of endograft structural designs and geometric patterns, enabling the physician to approach a more patient-specific treatment of AAA. This review presents the currently available aortic endografts and describes the clinical, technical and mechanical characteristics of them...
January 21, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28108825/photodynamic-therapy-for-the-treatment-of-complex-anal-fistula
#8
A Arroyo, P Moya, M A Rodríguez-Prieto, M J Alcaide, M M Aguilar, M Bellón, M T Pérez-Vázquez, F Candela, R Calpena
BACKGROUND: Photodynamic therapy (PDT) is a new procedure for the treatment of anal fistula. This preliminary study was designed to investigate the safety and effectiveness of this new technique in the treatment of anal fistula. METHODS: Ten patients were treated with PDT. Intralesional 5-aminolevulinic acid (ALA) 2% was directly injected into the fistula. The internal and external orifices were closed. After an incubation period of 2 h, the fistula was irradiated using an optical fibre connected to a red laser (MULTIDIODE 630 PDT, INTERmedic, Spain) operating at 1 W/cm for 3 min (180 Joules)...
January 20, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28108819/preemptive-treatment-with-xonrid%C3%A2-a-medical-device-to-reduce-radiation-induced-dermatitis-in-head-and-neck-cancer-patients-receiving-curative-treatment-a-pilot-study
#9
Nicola Alessandro Iacovelli, Simona Naimo, Francesca Bonfantini, Anna Cavallo, Paolo Bossi, Carlo Fallai, Emanuele Pignoli, Salvatore Alfieri, Cristiana Bergamini, Federica Favales, Ester Orlandi
PURPOSE: The purpose of this study was to investigate efficacy, safety and tolerability of Xonrid®, a new medical device, in preventing radiation dermatitis associated with head and neck cancer (HNC) radiotherapy (RT). METHODS: In this monocentric, prospective pilot study, adult consecutive HNC patients who were planned to receive curative RT with or without chemotherapy were enrolled. Patients were instructed to apply Xonrid® on the irradiated area during treatment continuing until 2 weeks after the completion of RT or the development of severe skin toxicity...
January 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28108811/who-really-wins-efficacy-of-a-croatian-youth-gambling-prevention-program
#10
Aleksandra Huic, Valentina Kranzelic, Dora Dodig Hundric, Neven Ricijas
This paper reports on the development and pilot evaluation of a Croatian school-based youth gambling prevention program "Who really wins?". The program is aimed at minimizing risk and enhancing protective factors related to youth gambling. A short-term evaluation of the program was conducted with a sample of 190 first and second year high-school students (67.6% boys, aged 14-17 years; average age 15.61). An experimental design with two groups (Training vs. No Training) and two measurement sessions (pre-test and post-test sessions) was used to evaluate change in problem gambling awareness, cognitive distortions, knowledge of the nature of random events as well as in social skills...
January 20, 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28108669/developmental-differences-in-dynamic-muscle-tendon-behavior-implications-for-movement-efficiency
#11
C M Waugh, T Korff, A J Blazevich
Children perform cyclic motor tasks less efficiently than adults, however the mechanisms underlying such differences are not fully understood. One mechanism that may contribute these age-related differences is a differential contribution of muscles and tendons to a given muscle tendon unit (MTU) excursion. The aims of this study were to a) compare muscle and tendon excursion between children and adults performing vertical hopping, and b) determine if children and adults choose a hopping frequency that maximizes movement efficiency, based on the utilization of energy-saving mechanisms...
January 20, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28108664/an-investigation-of-the-genotoxicity-and-interference-of-gold-nanoparticles-in-commonly-used-in-vitro-mutagenicity-and-genotoxicity-assays
#12
Jiya M George, Millicent Magogotya, Melissa A Vetten, Antoinette V Buys, Mary Gulumian
The suitability of 4 in vitro assays, commonly used for mutagenicity and genotoxicity assessment, was investigated in relation to treatment with 14 nm citrate-stabilized gold nanoparticles (AuNPs). Specifically, the Ames test was conducted without metabolic activation, where no mutagenic effects were observed. High resolution transmission electron microscopy and Cytoviva dark-field image analysis showed that AuNPs did not enter the bacterial cells, thus confirming the unreliability of the Ames test for nanoparticle mutagenicity studies...
January 20, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28108654/revealing-the-role-of-the-product-metal-in-dna-polymerase-%C3%AE-catalysis
#13
Lalith Perera, Bret D Freudenthal, William A Beard, Lee G Pedersen, Samuel H Wilson
DNA polymerases catalyze a metal-dependent nucleotidyl transferase reaction during extension of a DNA strand using the complementary strand as a template. The reaction has long been considered to require two magnesium ions. Recently, a third active site magnesium ion was identified in some DNA polymerase product crystallographic structures, but its role is not known. Using quantum mechanical/ molecular mechanical calculations of polymerase β, we find that a third magnesium ion positioned near the newly identified product metal site does not alter the activation barrier for the chemical reaction indicating that it does not have a role in the forward reaction...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108628/metabolic-reprogramming-by-folate-restriction-leads-to-a-less-aggressive-cancer-phenotype
#14
Zahra Ashkavand, Ciara O'Flanagan, Mirko Hennig, Xiuxia Du, Stephen D Hursting, Sergey A Krupenko
: Folate coenzymes are involved in biochemical reactions of one-carbon transfer, and deficiency of this vitamin impairs cellular proliferation, migration, and survival in many cell types. Here, the effect of folate restriction on mammary cancer was evaluated using three distinct breast cancer subtypes differing in their aggressiveness and metastatic potential: noninvasive basal-like (E-Wnt), invasive but minimally metastatic claudin-low (M-Wnt), and highly metastatic claudin-low (metM-Wnt(liver)) cell lines, each derived from the same pool of MMTV-Wnt-1 transgenic mouse mammary tumors...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108573/transcatheter-mitral-valve-implantation-a-percutaneous-transapical-system
#15
Huangdong Dai, Katharina Huenges, Saskia Pokorny, Gunther Fischer, Jochen Cremer, Anja Metzner, Derk Frank, Georg Lutter
OBJECTIVES: Despite recent achievements, implantation of a transcatheter mitral valved stent remains challenging. In this study, we present a different approach for implantation of a percutaneous mitral valved stent. METHODS: Percutaneous transapical access is combined with, respectively, a left-transatrial, right-transatrial/transseptal or transfemoral/transseptal approach for mitral valve stent implantation and secure fixation. The apical fixation and occlusion are ensured with an Amplatzer occluder...
January 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28108494/the-rich-club-organization-in-rat-functional-brain-network-to-balance-between-communication-cost-and-efficiency
#16
Xia Liang, Li-Ming Hsu, Hanbing Lu, Akira Sumiyoshi, Yong He, Yihong Yang
Network analyses of structural connectivity in the brain have highlighted a set of highly connected hubs that are densely interconnected, forming a "rich-club" substrate in diverse species. Here, we demonstrate the existence of rich-club organization in functional brain networks of rats. Densely interconnected rich-club regions are found to be distributed in multiple brain modules, with the majority located within the putative default mode network. Rich-club members exhibit high wiring cost (as measured by connection distance) and high metabolic running cost (as surrogated by cerebral blood flow), which may have evolved to achieve high network communications to support efficient brain functions...
January 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28108429/toward-patient-centered-telerehabilitation-design-understanding-chronic-pain-patients-preferences-for-web-based-exercise-telerehabilitation-using-a-discrete-choice-experiment
#17
Karlijn Cranen, Catharina Gm Groothuis-Oudshoorn, Miriam Mr Vollenbroek-Hutten, Maarten J IJzerman
BACKGROUND: Patient-centered design that addresses patients' preferences and needs is considered an important aim for improving health care systems. At present, within the field of pain rehabilitation, patients' preferences regarding telerehabilitation remain scarcely explored and little is known about the optimal combination between human and electronic contact from the patients' perspective. In addition, limited evidence is available about the best way to explore patients' preferences...
January 20, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28108424/clinical-and-radiological-findings-after-multilevel-cervical-total-disc-replacement-defining-radiological-changes-to-predict-surgical-outcomes
#18
Jung Hwan Lee, Sang-Ho Lee, Jun Ho Lee
OBJECTIVE: This study compared the radiological parameters between preoperation and postoperation for patients who underwent multilevel cervical total disc replacement (MCTDR) and assessed which parameters were related to successful clinical outcomes after MCTDR. METHODS: The study included a consecutive series of 24 patients who were treated with MCTDR following the diagnosis of multilevel cervical disc herniation or stenosis. Numeric Rating Scale (NRS), C2-7 sagittal vertical axis (SVA), range of motion (ROM) of C2-7 segment and TDR implanted levels were evaluated at pre- and post-TDR...
January 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28108294/the-dimensional-reduction-method-for-identification-of-parameters-that-trade-off-due-to-similar-model-roles
#19
Shaun M Davidson, Paul D Docherty, Rua Murray
Parameter identification is an important and widely used process across the field of biomedical engineering. However, it is susceptible to a number of potential difficulties, such as parameter trade-off, causing premature convergence at non-optimal parameter values. The proposed Dimensional Reduction Method (DRM) addresses this issue by iteratively reducing the dimension of hyperplanes where trade off occurs, and running subsequent identification processes within these hyperplanes. The DRM was validated using clinical data to optimize 4 parameters of the widely used Bergman Minimal Model of glucose and insulin kinetics, as well as in-silico data to optimize 5 parameters of the Pulmonary Recruitment (PR) Model...
January 17, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28108278/comparison-of-the-redox-chemistry-of-sulfur-and-selenium-containing-analogs-of-uracil
#20
N Connor Payne, Andrew Geissler, Aileen Button, Alexandru R Sasuclark, Alayne L Schroll, Erik L Ruggles, Vadim N Gladyshev, Robert J Hondal
Selenium is present in proteins in the form of selenocysteine, where this amino acid serves catalytic oxidoreductase functions. The use of selenocysteine in nature is strongly associated with redox catalysis. However, selenium is also found in a 2-selenouridine moiety at the wobble position of tRNA(Glu), tRNA(Gln) and tRNA(Lys). It is thought that the modifications of the wobble position of the tRNA improves the selectivity of the codon-anticodon pair as a result of the physico-chemical changes that result from substitution of sulfur and selenium for oxygen...
January 17, 2017: Free Radical Biology & Medicine
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