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https://www.readbyqxmd.com/read/28342739/supervised-physical-therapy-vs-home-exercise-program-for-patients-with-distal-radius-fracture-a-single-blind-randomized-clinical-study
#1
Héctor Gutiérrez-Espinoza, David Rubio-Oyarzún, Cristian Olguín-Huerta, Rodrigo Gutiérrez-Monclus, Sebastian Pinto-Concha, Gonzalo Gana-Hervias
STUDY DESIGN: Randomized clinical study. INTRODUCTION: Supervised physical therapy (PT) and home exercise programs (HEPs) are frequently used in the rehabilitation of patients with distal radius fracture (DRF). However, there is no consensus as to whether unsupervised HEP provides comparable benefits to those achieved by supervised PT. PURPOSE OF THE STUDY: To compare the improvements in pain and functional status between a supervised PT program and unsupervised HEP in DRF patients older than 60 years...
March 22, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28319719/year-round-phytofiltration-lagoon-assessment-using-pistia-stratiotes-within-a-pilot-plant-scale-biorefinery
#2
Eugenia J Olguín, Daniel A García-López, Ricardo E González-Portela, Gloria Sánchez-Galván
Phytofiltration lagoons are phytoremediation technologies suitable for tropical and sub-tropical regions requiring cost-effective and echo-friendly technologies. A biorefinery of fourth generation has been implemented at pilot plant level in Xalapa, Mexico, and the phytofiltration lagoon, being the first module for provision of treated water and plant biomass for biofuel production plays a key role. The aim of this work was to evaluate the performance of such phytofiltration lagoon with a working volume of 13,000 L for the removal of nutrients from an urban river polluted with domestic wastewater and the biomass productivity of the macrophyte Pistia stratiotes, during five different experimental periods, comprising 42 days each one...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28288228/-upper-limb-functional-assessment-scale-for-children-with-duchenne-muscular-dystrophy-and-spinal-muscular-atrophy
#3
Raúl G Escobar, Nayadet Lucero, Carmen Solares, Victoria Espinoza, Odalie Moscoso, Polín Olguín, Karin T Muñoz, Ricardo Rosas
Duchenne muscular dystrophy (DMD) and Spinal muscular atrophy (SMA) causes significant disability and progressive functional impairment. Readily available instruments that assess functionality, especially in advanced stages of the disease, are required to monitor the progress of the disease and the impact of therapeutic interventions. OBJECTIVE: To describe the development of a scale to evaluate upper limb function (UL) in patients with DMD and SMA, and describe its validation process, which includes self-training for evaluators...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28283314/the-progetto-nazionale-emorragia-digestiva-pned-system-vs-the-rockall-score-as-mortality-predictors-in-patients-with-nonvariceal-upper-gastrointestinal-bleeding-a-multicenter-prospective-study
#4
R Contreras-Omaña, J A Alfaro-Reynoso, C E Cruz-Chávez, A Velarde-Ruiz Velasco, D I Flores-Ramírez, I Romero-Hernández, I Donato-Olguín, X García-Samper, A Bautista-Santos, M Reyes-Bastidas, E Millán-Marín
BACKGROUND: The predictive scale for mortality risk in patients with nonvariceal upper gastrointestinal bleeding (NVUGIB) proposed by Italy's PNED (Progetto Nazionale Emorragia Digestiva) group has not been validated in Latin America since its original publication. AIM: To compare the PNED system and the Rockall score as mortality predictors in patients hospitalized for NVUGIB. MATERIAL AND METHODS: A multicenter, prospective, cross-sectional, analytic study was conducted that recruited patients diagnosed with nonvariceal upper gastrointestinal bleeding within the time frame of 2011 to 2015...
March 7, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28254056/cadmium-sorption-by-sodium-and-thiourea-modified-zeolite-rich-tuffs
#5
Perfecto Barragán P, M Guadalupe Macedo M, Maria T Olguín
No abstract text is available yet for this article.
February 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28212472/-concordance-between-preoperative-and-definitive-study-in-endometrial-cancer
#6
Betania Mazón-González, Víctor Alberto Olguín-Cruces
BACKGROUND: Some studies have been realized to know the concordance level between the preoperative and the diagnosis of endometrial cancer and it has been observed that there is a tendency to undergrade the stage of cancer in preoperative studies. METHODS: It was carried out an observational, retrolective, transversal and comparative study to establish the concordance between the preoperative and the definitive study in endometrial cancer. We revised the records of the Pathology department of the Hospital "Luis Castelazo Ayala" from January 1st, 2012, to December 31th, 2014...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28209158/gene-regulatory-network-underlying-the-immortalization-of-epithelial-cells
#7
Luis Fernando Méndez-López, Jose Davila-Velderrain, Elisa Domínguez-Hüttinger, Christian Enríquez-Olguín, Juan Carlos Martínez-García, Elena R Alvarez-Buylla
BACKGROUND: Tumorigenic transformation of human epithelial cells in vitro has been described experimentally as the potential result of spontaneous immortalization. This process is characterized by a series of cell-state transitions, in which normal epithelial cells acquire first a senescent state which is later surpassed to attain a mesenchymal stem-like phenotype with a potentially tumorigenic behavior. In this paper we aim to provide a system-level mechanistic explanation to the emergence of these cell types, and to the time-ordered transition patterns that are common to neoplasias of epithelial origin...
February 16, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28161041/long-term-assessment-at-field-scale-of-floating-treatment-wetlands-for-improvement-of-water-quality-and-provision-of-ecosystem-services-in-a-eutrophic-urban-pond
#8
Eugenia J Olguín, Gloria Sánchez-Galván, Francisco J Melo, Víctor J Hernández, Ricardo E González-Portela
Pollution of urban water bodies requires stringent control measures and the development of low-cost and highly efficient alternative technologies. In contrast to Constructed Wetlands, Floating Treatment Wetlands (FTWs) have the advantage of not requiring large surface of land since they operate in situ. However, there is limited information about their long-term evaluation while operating at field scale. The aim of this work was to assess the performance of FTWs using a combination of Pontederia sagittata and Cyperus papyrus for the improvement of the water quality and provision of ecosystem services of a eutrophic urban pond...
April 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28109975/dna-damage-response-in-patients-with-pediatric-acute-lymphoid-leukemia-during-induction-therapy
#9
Júlia Plentz Portich, Rafael Pereira Dos Santos, Nathalia Kersting, Karolina Brochado Jorge, Pietro Rebelo Casagrande, Gabriela Dos Santos Costa, Jéssica Maria Gonçalves Dias Cionek, Danielly Brufatto Olguins, Marialva Sinigaglia, Franciele Faccio Busatto, Jenifer Saffi, Sharbel Weidner Maluf, Jiseh Fagundes Loss, Algemir Lunardi Brunetto, Rafael Roesler, Caroline Brunetto de Farias
Predicting the individual response to chemotherapy is a crucial challenge in cancer treatment. DNA damage caused by antitumor therapies evokes different repair mechanisms responses, such as Nucleotide Excision Repair (NER), whose components are being studied as prognosis biomarkers and target therapies. However, few reports have addressed DNA damages in pediatric Acute Lymphoid Leukemia (ALL). Hence, we conducted an observational follow-up study with pediatric patients to assess DNA damage (by Comet Assay) and gene expression from NER pathway during chemotherapy induction...
January 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28048345/su-d-brc-04-development-of-proton-tissue-equivalent-materials-for-calibration-and-dosimetry-studies
#10
E Olguin, S Flampouri, I Lipnharski, W Bolch
PURPOSE: To develop new proton tissue equivalent materials (PTEM), urethane and fiberglass based, for proton therapy calibration and dosimetry studies. Existing tissue equivalent plastics are applicable only for x-rays because they focus on matching mass attenuation coefficients. This study aims to create new plastics that match mass stopping powers for proton therapy applications instead. METHODS: New PTEMs were constructed using urethane and fiberglass resin materials for soft, fat, bone, and lung tissue...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047209/su-c-brc-01-a-monte-carlo-study-of-out-of-field-doses-from-cobalt-60-teletherapy-units-intended-for-historical-correlations-of-dose-to-normal-tissue
#11
H Petroccia, E Olguin, W Culberson, B Bednarz, N Mendenhall, W Bolch
PURPOSE: Innovations in radiotherapy treatments, such as dynamic IMRT, VMAT, and SBRT/SRS, result in larger proportions of low-dose regions where normal tissues are exposed to low doses levels. Low doses of radiation have been linked to secondary cancers and cardiac toxicities. The AAPM TG Committee No.158 entitled, 'Measurements and Calculations of Doses outside the Treatment Volume from External-Beam Radiation Therapy', has been formed to review the dosimetry of non-target and out-of-field exposures using experimental and computational approaches...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27979059/total-polyphenols-content-in-white-wines-on-a-microfluidic-flow-injection-analyzer-with-embedded-optical-fibers
#12
Sandoval-Ventura Oscar, Olguín-Contreras Luis Fernando, Cañizares-Macías María Del Pilar
Absorbance detection in food microdevices has not been thoroughly used due to low levels of sensitivity in measurements. Thus, it is necessary to develop microfluidic methods for improving photometric detection. For this purpose, a simple coupled-optical-fiber-polydimethylsiloxane (PDMS) microdevice was developed, to quantify polyphenols content in white wine employing the Folin-Ciocalteu reaction method. A 6V and 10W halogen lamp with an optical path length of 7mm between optical fibers, which were placed into the microchip, using guides at the outlet of the flow, increased the level of sensitivity during detection...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27936218/a-key-role-for-inhibins-in-dendritic-cell-maturation-and-function
#13
Roxana Olguín-Alor, Marisol de la Fuente-Granada, Laura C Bonifaz, Laura Antonio-Herrera, Eduardo A García-Zepeda, Gloria Soldevila
Inhibins are members of the TGFβ superfamily, which regulate many cellular processes including differentiation, proliferation, survival and apoptosis. Although initially described as hormones regulating the hypothalamus-pituitary-gonadal axis, based on their ability to antagonize Activins, our group has recently reported that they play a role in thymocyte differentiation and survival, as well as in thymic stromal cell maturation and nTreg generation. Here, we used Inhibin knock out mice (Inhα-/-) to investigate the role of Inhibins in peripheral dendritic cell maturation and function...
2016: PloS One
https://www.readbyqxmd.com/read/27900450/il-9-and-th9-in-parasite-immunity
#14
REVIEW
P Licona-Limón, A Arias-Rojas, E Olguín-Martínez
Interleukin-9 is a cytokine classically related to type 2 immune responses whose cellular identity has been recently reevaluated to identify a new specialized T helper subset called Th9 and an innate source referred as innate lymphoid cell type 2. Over the past years, IL-9 has been associated with allergic responses, tumor immunology, and autoimmunity; however, in this review, we will specifically focus on the role of IL-9 and Th9 cells in the context of parasitic infections. We will summarize and discuss all the evidence relating IL-9 expression and function in parasitic infections with a particular emphasis in helminth infections, an important health issue in developing countries; we will also provide a general description and classification of parasites, the immune response and cellular compartments activated in this context, and its implications and future directions towards a complete understanding of this interesting new T helper subset and its potential therapeutic use...
January 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27855043/-association-of-ovarian-tumors-with-ca-125
#15
Judith Elena Martínez-Acosta, Víctor Alberto Olguín-Cruces
BACKGROUND: The tumor marker CA-125 is the most widely used serum marker for ovarian cancer screening. The aim of this paper was to establish the association between histopathologic result of ovarian tumors with serologic CA-125 and utility for the diagnosis of ovarian tumors at a Ginecoobstetric hospital. METHODS: An observational, retrospective, descriptive and longitudinal study, from September 1st 2010 to February 28 2013. All patients with histopathologic report ovarian tumor and CA-125 was selected to analyze the association of ovarian tumors with their histological type, biological behavior, range positivity of CA-125 and its relationship to the pre and postmenopausal state...
2016: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/27819781/-brain-death-attitude-and-knowledge-of-medical-personnel-in-a-third-level-hospital
#16
Martín Santibáñez-Velázquez, Erika Olguín-Sánchez, Adrián Ángeles-Vélez, Bertha Angélica García-García
BACKGROUND: Brain death is defined as the irreversible loss of all functions of the brain, including the brainstem. The objective is to know the attitude and knowledge toward brain death of the medical personnel involved in the process of the organ/tissue transplantation and donation in a third level hospital of Mexico City. METHODS: 67 attending physicians were interviewed with the methodology of pen, paper and a printed questionnaire. They were distributed in two groups: group A, consisting of non-surgical physicians, and group B, which was formed by surgical physicians...
November 2016: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/27809263/in-vitro-antimicrobial-activity-of-embothrium-coccineum-used-as-traditional-medicine-in-patagonia-against-multiresistant-bacteria
#17
Nicole Canales, Iván Montenegro, Mario Párraga, Yusser Olguín, Patricio Godoy, Enrique Werner, Alejandro Madrid
Embothrium coccineum J.R. Forst. & G. Forst is an evergreen tree that has been used as a folk remedy for the treatment of neuralgia, tooth pains, wound healing, and glandular conditions, as well as an antiseptic agent against bacterial infection. The antibacterial activities of sequential extracts (hexane, dichloromethane, ethyl acetate, and ethanol) from the leaves of E. coccineum were evaluated by means of the micro-dilution assay against six (Escherichia coli; Klebsiella pneumoniae; Proteus mirabilis; Pseudomonas aeruginosa; Staphylococcus aureus and Streptococcus pyogenes) multiresistant bacteria strains...
October 31, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27754468/molecular-epidemiology-and-spatio-temporal-dynamics-of-the-h3n8-equine-influenza-virus-in-south-america
#18
Cecilia Olguin Perglione, Marcelo D Golemba, Carolina Torres, Maria Barrandeguy
Equine influenza virus (EIV) is considered the most important respiratory pathogen of horses as outbreaks of the disease lead to substantial economic losses. The H3N8 EIV has caused respiratory disease in horses across the world, including South American countries. Nucleotide and deduced amino acid sequences for the complete haemagglutinin gene of the H3N8 EIV detected in South America since 1963 were analyzed. Phylogenetic and Bayesian coalescent analyses were carried out to study the origin, the time of the most recent common ancestors (tMRCA), the demographic and the phylogeographic patterns of the H3N8 EIV...
October 16, 2016: Pathogens
https://www.readbyqxmd.com/read/27741429/altered-csf-cytokine-network-in-amyotrophic-lateral-sclerosis-patients-a-pathway-based-statistical-analysis
#19
Hector R Martínez, César E Escamilla-Ocañas, Juan Miguel Tenorio-Pedraza, David Gómez-Almaguer, Jose Carlos Jaime-Perez, Leticia A Olguín-Ramírez, Sergio Salazar-Marioni, María Teresa González-Garza
INTRODUCTION: Increased cytokine expression is a prominent finding in amyotrophic lateral sclerosis (ALS). Due to their interdependence and pleiotropism, interpretation of CSF concentrations of a single cytokine is challenging. We describe a cytokine analysis in ALS patients using a pathway-based statistical method to identify changes in the whole cytokine network. METHODS: We analyzed 19 cytokines in CSF of ALS patients and controls. An equality of concentration matrices was conducted that allowed us to evaluate disturbances in the relationship of cytokines between controls and ALS patients with less and more than 12months of disease length...
October 11, 2016: Cytokine
https://www.readbyqxmd.com/read/27718141/promoting-interdomain-analogical-transfer-when-creating-a-problem-helps-to-solve-a-problem
#20
Ricardo A Minervino, Valeria Olguín, Máximo Trench
Research on analogical thinking has devised several ways of promoting an abstract encoding of base analogs, thus rendering them more retrievable during later encounters with similar situations lacking surface similarities. Recent studies have begun to explore ways of facilitating transfer at retrieval time, which could facilitate the retrieval of distant analogs learned within contexts that were not specially directed to emphasize their abstract structure. Such studies demonstrate that comparing a target problem to an analogous problem helps students retrieve base analogs that lack surface similarities...
February 2017: Memory & Cognition
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