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https://www.readbyqxmd.com/read/29346737/quantitative-and-qualitative-assessment-of-the-relative-arterial-contributions-to-the-calcaneus
#1
Johanna C E Donders, Craig E Klinger, Andre D Shaffer, Lionel E Lazaro, Ryan R Thacher, Jonathan P Dyke, David S Wellman, David L Helfet, Dean G Lorich
BACKGROUND: The purpose of this study was to quantitatively and qualitatively assess relative arterial contributions to the calcaneus. METHOD: Fourteen cadaveric ankle pairs were used. In each specimen, the posterior tibial artery, peroneal artery, and anterior tibial artery were cannulated and used for contrast-enhanced magnetic resonance imaging (MRI) and computed tomography (CT). Quantitative MRI analysis of the pre- and postcontrast MRI scans facilitated assessment of relative arterial contributions...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29346187/quality-in-postoperative-patient-handover-different-perceptions-of-quality-between-transferring-and-receiving-nurses
#2
Elizabeth Reine, Johan Ræder, Tanja Manser, Milada C Småstuen, Tone Rustøen
This cross-sectional study assessed how nurses transferring and receiving patients in the postoperative care unit evaluate quality in patient handovers. Analysis of 192 questionnaires showed that transferring nurses had more positive evaluations of handover quality compared with the receiving nurses. Handovers evaluated as having lower quality had a higher frequency of time pressure, uncertainty, and clinical problems. The findings in the study point at a need to assess handover quality in a wider perspective...
January 16, 2018: Journal of Nursing Care Quality
https://www.readbyqxmd.com/read/29345705/contact-mechanics-for-polydimethylsiloxane-from-liquid-to-solid
#3
L Dorogin, B N J Persson
Adhesion between a glass ball and a polydimethylsiloxane (PDMS) sample is dependent on the PDMS cross-link density, and the transformation of the material from the uncrosslinked liquid state to the fully crosslinked solid state is investigated in this study. The physical picture reflected a gradual transition from capillary forces driven contact mechanics to the classical Johnson-Kendall-Roberts (JKR)-type contact mechanics. PDMS was produced by mixing the base fluid and a cross-linker at a ratio of 10 : 1 and allowed to slowly cross-link at room temperature with simultaneous measurement of the ball-PDMS interaction force...
January 18, 2018: Soft Matter
https://www.readbyqxmd.com/read/29344846/evaluation-of-psychosocial-and-biological-parameters-in-women-seeking-for-a-caesarean-section-and-women-who-are-aiming-for-vaginal-delivery-a-cross-sectional-study
#4
Benjamin Tuschy, Sebastian Berlit, Paul Stützer, Stefanie Lis, Christian Schmahl, Ulf Baumgärtner, Marc Sütterlin
PURPOSE: To investigate psychosocial and biological parameters that may influence decision-making concerning the mode of delivery in women with caesarean section on maternal request (CSMR). METHODS: Two hundred and two women were enrolled prospectively. The study sample (n = 93) consisted of women who aimed for CSMR, the control sample were women who seeked for vaginal delivery (n = 109). Parturients of both samples were enrolled during the pre-birth counselling at the delivery room at the University Medical Centre Mannheim, University Heidelberg, Germany...
January 17, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29343895/why-borrow-from-peter-when-paul-can-afford-it-reverse-homodigital-artery-flap-for-fingertip-reconstruction
#5
Narayanamurthy Sundaramurthy, Surya Rao Rao Venkata Mahipathy, Alagar Raja Durairaj
Background: Fingertip injuries that are complicated by pulp loss, bone or tendon exposure will need a flap cover. Cross finger flap is commonly used to cover such defects. However, patients are apprehensive about injuring the uninjured finger as a donor site. Reverse homodigital artery flap (RHAF) can provide reliable vascularised cover to such defects. Aims: This study aims to assess the functional and aesthetic outcomes along with the patient satisfaction of RHAFs done for fingertip defects...
May 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29343156/patient-contributions-during-primary-care-consultations-for-hypertension-after-self-reporting-via-a-mobile-phone-self-management-support-system
#6
Ulrika Bengtsson, Karin Kjellgren, Inger Hallberg, Mona Lundin, Åsa Mäkitalo
OBJECTIVE: This paper reports on how the clinical consultation in primary care is performed under the new premises of patients' daily self-reporting and self-generation of data. The aim was to explore and describe the structure, topic initiation and patients' contributions in follow-up consultations after eight weeks of self-reporting through a mobile phone-based hypertension self-management support system. DESIGN: A qualitative, explorative study design was used, examining 20 audio- (n = 10) and video-recorded (n = 10) follow-up consultations in primary care hypertension management, through interaction analysis...
January 18, 2018: Scandinavian Journal of Primary Health Care
https://www.readbyqxmd.com/read/29342956/development-of-a-scale-up-tool-for-pervaporation-processes
#7
Holger Thiess, Axel Schmidt, Jochen Strube
In this study, an engineering tool for the design and optimization of pervaporation processes is developed based on physico-chemical modelling coupled with laboratory/mini-plant experiments. The model incorporates the solution-diffusion-mechanism, polarization effects (concentration and temperature), axial dispersion, pressure drop and the temperature drop in the feed channel due to vaporization of the permeating components. The permeance, being the key model parameter, was determined via dehydration experiments on a mini-plant scale for the binary mixtures ethanol/water and ethyl acetate/water...
January 15, 2018: Membranes
https://www.readbyqxmd.com/read/29341202/risk-factors-for-stress-urinary-incontinence-recurrence-after-single-incision-sling
#8
Stefania Palmieri, Matteo Frigerio, Federico Spelzini, Stefano Manodoro, Rodolfo Milani
AIMS: The aim of the study was to identify in a pure stress urinary incontinence (SUI) population risk factors for recurrence after single-incision slings (SIS). METHODS: This retrospective study analyzed women with complaints of SUI symptoms and urodynamically proven SUI. Exclusion criteria were recurrent SUI, overactive bladder syndrome/detrusor overactivity, preoperative postvoid residual >100 mL, reduced urethral mobility (<10° at the Q-tip test), concomitant anterior prolapse >I stage and previous history of radical pelvic surgery...
January 17, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29340678/lifestyle-intervention-and-medical-management-with-vs-without-roux-en-y-gastric-bypass-and-control-of-hemoglobin-a1c-ldl-cholesterol-and-systolic-blood-pressure-at-5-years-in-the-diabetes-surgery-study
#9
COMMENT
Sayeed Ikramuddin, Judith Korner, Wei-Jei Lee, Avis J Thomas, John E Connett, John P Bantle, Daniel B Leslie, Qi Wang, William B Inabnet, Robert W Jeffery, Keong Chong, Lee-Ming Chuang, Michael D Jensen, Adrian Vella, Leaque Ahmed, Kumar Belani, Charles J Billington
Importance: The Roux-en-Y gastric bypass is effective in achieving established diabetes treatment targets, but durability is unknown. Objective: To compare durability of Roux-en-Y gastric bypass added to intensive lifestyle and medical management in achieving diabetes control targets. Design, Setting, and Participants: Observational follow-up of a randomized clinical trial at 4 sites in the United States and Taiwan, involving 120 participants who had a hemoglobin A1c (HbA1c) level of 8...
January 16, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29340495/validation-of-the-stop-bang-questionnaire-as-a-means-of-screening-for-obstructive-sleep-apnea-in-adults-in-brazil
#10
Ricardo Luiz de Menezes Duarte, Lorena Barbosa de Moraes Fonseca, Flavio José Magalhães-da-Silveira, Erika Aparecida da Silveira, Marcelo Fouad Rabahi
OBJECTIVE: To validate the Portuguese-language version of the STOP-Bang (acronym for Snoring, Tiredness, Observed apnea, high blood Pressure, Body mass index, Age, Neck circumference, and Gender) questionnaire, culturally adapted for use in Brazil, as a means of screening for obstructive sleep apnea (OSA) in adults. METHODS: In this validation study, we enrolled patients ≥ 18 years of age, recruited between May of 2015 and November of 2016. All patients completed the STOP-Bang questionnaire and underwent overnight polysomnography...
November 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29340488/impact-of-continuous-positive-airway-pressure-on-the-pulmonary-changes-promoted-by-immersion-in-water
#11
Danize Aparecida Rizzetti, Janayna Rodembuch Borba Quadros, Bruna Esmerio Ribeiro, Letícia Callegaro, Aline Arebalo Veppo, Giulia Alessandra Wiggers, Franck Maciel Peçanha
OBJECTIVE: To determine whether different levels of CPAP improve the lung volumes and capacities of healthy subjects immersed in water. METHODS: This was a randomized clinical trial, conducted between April and June of 2016, involving healthy female volunteers who were using oral contraceptives. Three 20-min immersion protocols were applied: control (no CPAP); CPAP5 (CPAP at 5 cmH2O); and CPAP10 (CPAP at 10 cmH2O). We evaluated HR, SpO2, FVC, FEV1, the FEV1/FVC ratio, peak expiratory flow rate (PEFR), and FEF25-75%) at three time points: pre-immersion; 10 min after immersion; and 10 min after the end of each protocol...
November 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29339576/a-thermodynamics-model-for-morphology-prediction-of-aluminum-nano-crystals-fabricated-by-inert-gas-condensation-method
#12
Yu Wen, Dehong Xia
The purpose of this study is to provide scientific guidance for morphological control of nanoparticle synthesis by gas phase method. A universal thermodynamics model is developed to predict morphology of nanoparticles fabricated by inert gas condensation method. By the use of the model, morphologies of aluminum nanocrystals are predicted under various preparation conditions. There are two kinds of energies that determine the formation of nanoparticles morphology jointly, which are Gibbs free energy for nanoparticles and energy variation during the process...
January 17, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29339089/concentration-gradient-of-noradrenaline-from-the-periphery-to-the-centre-of-the-cornea-a-clue-to-its-origin
#13
Luis Figueira, Carla Ferreira, Catarina Janeiro, Paula Serrao, Fernando Falcao-Reis, Daniel Moura
We set out to demonstrate that the major source of corneal catecholamines is its neuronal release from intrinsic sympathetic nerves rather than circulating or non-neuronal local production. Three concentric segments (central, intermediate, peripheral) were obtained by double trephination (9.5-7.25 mm) performed on corneas harvested from 3-4 month old rabbits and human corneas rejected for transplantation, along with aqueous humour, full iris tissue and blood samples. Endogenous catecholamines were quantified by high pressure liquid chromatography with electrochemical detection (HPLC-ED), and comparison with the uptake of radio-labelled noradrenaline (3H-NA) before and after incubation with cocaine was performed...
January 12, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29339078/analytical-and-pre-analytical-performance-characteristics-of-a-novel-cartridge-type-blood-gas-analyzer-for-point-of-care-and-laboratory-testing
#14
Matthijs Oyaert, Tom Van Maerken, Silke Bridts, Silvi Van Loon, Heleen Laverge, Veronique Stove
BACKGROUND: Point-of-care blood gas test results may benefit therapeutic decision making by their immediate impact on patient care. We evaluated the (pre-)analytical performance of a novel cartridge-type blood gas analyzer, the GEM Premier 5000 (Werfen), for the determination of pH, partial carbon dioxide pressure (pCO2), partial oxygen pressure (pO2), sodium (Na+), potassium (K+), chloride (Cl-), ionized calcium (iCa2+), glucose, lactate, and total hemoglobin (tHb). METHODS: Total imprecision was estimated according to the CLSI EP5-A2 protocol...
January 12, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29338967/real-time-optic-nerve-sheath-diameter-measurement-during-lumbar-puncture
#15
Getaw Worku Hassen, Mohammed Al-Juboori, Barbara Koppel, Gokhan Akfirat, Hossein Kalantari
Measurement of optic nerve sheath diameter (ONSD) using point of care ultrasound has been used to indirectly assess the intracranial pressure (ICP) particularly in conditions where it is raised. Direct pressure measurements using probes reaching the ventricle system correlated with ONSD using ultrasound. Attempts were made to measure the ONSD pre and post lumbar puncture (LP) after draining cerebrospinal fluid (CSF) as well as post ventricular shunt placement. We report ONSD measurement and demonstrate dynamic changes during LP in a patient with known idiopathic intracranial hypertension (IIH)...
January 10, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29338905/posterior-reversible-encephalopathy-syndrome-a-rare-childhood-case-with-unconsciousness
#16
Akira Komori, Daisuke Mizu, Koichi Ariyoshi
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is a condition characterized by seizures, altered consciousness, visual disturbances, and headache. Characteristic findings on neuroimaging include cerebral edema, typically involving the parieto-occipital white matter. PRES has been associated with hypertension, autoimmune disease, and Henoch-Schölein purpura (HSP), but few cases have been reported, and fewer cases of PRES have been reported in children. CASE REPORT: We report the case of a 4-year-old girl who presented with blindness and semi-consciousness...
January 12, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29337961/how-the-evolution-of-multicellularity-set-the-stage-for-cancer
#17
REVIEW
Anna S Trigos, Richard B Pearson, Anthony T Papenfuss, David L Goode
Neoplastic growth and many of the hallmark properties of cancer are driven by the disruption of molecular networks established during the emergence of multicellularity. Regulatory pathways and molecules that evolved to impose regulatory constraints upon networks established in earlier unicellular organisms enabled greater communication and coordination between the diverse cell types required for multicellularity, but also created liabilities in the form of points of vulnerability in the network that when mutated or dysregulated facilitate the development of cancer...
January 16, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29337205/increasing-mtdna-levels-as-therapy-for-mitochondrial-optic-neuropathies
#18
Eduardo Ruiz-Pesini, Sonia Emperador, Ester López-Gallardo, Carmen Hernandez-Ainsa, Julio Montoya
Leber hereditary optic neuropathy (LHON) is a rare, inherited mitochondrial disease. No treatment has shown a clear-cut benefit on a clinically meaningful end-point. Primary open-angle glaucoma is a frequent, acquired optic neuropathy. Lowering intraocular pressure reduces disease progression. However, current methods to decelerate this progression are recognized as being inadequate. Therefore, there is a clear need to look for new therapeutic approaches. The growing evidence indicates that primary open-angle glaucoma can also be a mitochondrial optic neuropathy (MON)...
January 11, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29336129/somatic-tinnitus
#19
REVIEW
Massimo Ralli, Antonio Greco, Fabrizio Cialente, Arianna Di Stadio, Lucia Longo, Andrea Ciofalo, Rosaria Turchetta, Giancarlo Cianfrone, Marco de Vincentiis
Modulation of tinnitus characteristics such as pitch and loudness has been extensively described following movements of the head, neck and limbs, vertical or horizontal eye gaze, pressure on myofascial trigger points, cutaneous stimulation of the hands, electrical stimulation of the median nerve, and transcranial direct current stimulation. Modulation of tinnitus follows complex interactions between auditory and somatosensory afferents and can be favored by underlying somatic disorders. When tinnitus appears to be preceded or strictly linked to a somatic disorder, and therefore related to problems of the musculoskeletal system rather than of the ear, it is defined somatic tinnitus...
December 1, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/29335790/echinococcus-multilocularis-cestoda-cyclophyllidea-taeniidae-origin-differentiation-and-functional-ultrastructure-of-the-oncospheral-tegument-and-hook-region-membrane
#20
Zdzisław Świderski, Jordi Miquel, Samira Azzouz-Maache, Anne-Françoise Pétavy
Both the oncospheral tegument and the hook region membrane (HRM) of Echinococcus multilocularis hexacanths originate from a syncytial binucleate complex that appears in the early stage of morphogenesis and organogenesis of the hexacanth larva. The primordium of this binucleate complex forms a binucleate syncytial cap or "calotte" situated beneath the inner envelope at one pole of the developing embryo. During oncospheral differentiation, the binucleate perikaryon of the syncytial cap is sunk progressively deeper into the central part of the embryo, but remains always connected with the distal cytoplasm by a tendrillar cytoplasmic connection or bridge...
January 15, 2018: Parasitology Research
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