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https://www.readbyqxmd.com/read/28922690/wound-tension-and-closability-with-keystone-flaps-v-y-flaps-and-primary-closure-a-study-in-fresh-frozen-cadavers
#1
Lewis C Donovan, Charles D Douglas, Dirk Van Helden
BACKGROUND: Previous publications have implied that the keystone flap provides mechanical benefits compared to primary closure. This has not been objectively demonstrated. METHODS: Elliptical defects were created in 'fresh-frozen' cadaveric specimens. Two approaches were used to investigate the potential mechanical benefits of keystone flaps. Experiment 1 (wound closure): 18 defects were incrementally enlarged until they could not be closed primarily either with a single 'midpoint' suture or with a continuous suture...
September 18, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28922543/in-vitro-and-in-vivo-degradation-of-microfiber-bioresorbable-coronary-scaffold
#2
Chi-Hung Huang, Sheng-Yang Lee, Sonida Horng, Louis-Georges Guy, Ting-Bin Yu
The degradation of Mirage Bioresorbable Microfiber Scaffold was evaluated in vitro and in vivo. The degradation in polymer molecular weight (MW), strut morphology, and integrity was accessed using gel permeation chromatography (GPC), X-ray micro-computed tomography (micro-CT) evaluation. To simulate the physiological degradation in vitro, scaffolds were deployed in silicone mock vessels connected to a peristaltic pumping system, which pumps 37°C phosphate-buffered saline (PBS, pH 7.4) at a constant rate. At various time points (30D, 60D, 90D, 180D, 270D, and 360D), the MW of microfibers decreased to 57...
September 18, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28922435/effectiveness-and-safety-of-golimumab-in-treating-outpatient-ulcerative-colitis-a-real-life-prospective-multicentre-observational-study-in-primary-inflammatory-bowel-diseases-centers
#3
Antonio Tursi, Leonardo Allegretta, Nello Buccianti, Nicola Della Valle, Walter Elisei, Giacomo Forti, Roberto Faggiani, Sara Gallina, Yusef Hadad, Tiziana Larussa, Angelo Lauria, Francesco Luzza, Roberto Lorenzetti, Giammarco Mocci, Antonio Penna, Natale Polimeni, Giuseppe Pranzo, Cristina Ricciardelli, Costantino Zampaletta, Marcello Picchio
BACKGROUND AND AIMS: Golimumab (GOL) has been recently approved in Italy for the treatment of ulcerative colitis (UC) unresponsive to standard treatments. Our aims were to assess the real-life efficacy and safety of GOL in managing UC outpatients in Italian primary Inflammatory Bowel Diseases (IBD) centres. METHODS: Consecutive UC outpatients with at least 3-months follow-up were enrolled. Primary end-point was the induction and maintenance of remission in UC, defined as Mayo score </=2, at 6-month follow-up...
September 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28922314/temporal-indices-of-ankle-clonus-and-relationship-to-electrophysiologic-and-clinical-measures-in-persons-with-spinal-cord-injury
#4
Kathleen J Manella, Kathryn E Roach, Edelle C Field-Fote
BACKGROUND AND PURPOSE: Clonus arising from plantar flexor hyperreflexia is a phenomenon that is commonly observed in persons with spastic hypertonia. We assessed the temporal components of a biomechanical measure to quantify ankle clonus, and validated these in persons with spasticity due to spinal cord injury. METHODS: In 40 individuals with chronic (>1 year) spinal cord injury, we elicited ankle clonus using a standardized mechanical perturbation (drop test)...
October 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28922281/systematic-changes-in-the-national-surgical-quality-improvement-program-database-over-the-years-can-affect-comorbidity-indices-such-as-the-modified-frailty-index-and-modified-charlson-comorbidity-index-for-lumbar-fusion-studies
#5
Blake N Shultz, Taylor D Ottesen, Nathaniel T Ondeck, Patawut Bovonratwet, Ryan P McLynn, Jonathan J Cui, Jonathan N Grauer
STUDY DESIGN: Retrospective cohort study of prospectively collected data. OBJECTIVE: To investigate the influence of changes in the American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database over the years on the calculation of the modified Frailty Index (mFI) and the modified Charlson Comorbidity Index (mCCI) for posterior lumbar fusion studies. SUMMARY OF BACKGROUND DATA: Multiple studies have utilized the mFI and/or mCCI and showed them to be predictors of adverse postoperative outcomes...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28922264/validation-of-a-portable-coagulometer-for-routine-in-hospital-use-for-newborns
#6
Antonio E Jerez Calero, Dolores Fernández Jiménez, Manuel Molina Oya, Eduardo Narbona López, José Uberos Fernández
OBJECTIVES: To verify the reliability and clinical benefits of the coagulation tests made by a point of care device in newborn admitted to a neonatal unit. DESIGN: We made a statistical comparison between results obtained by the point of care device versus conventional laboratory analysis. SETTING: Level 3 neonatal unit. PATIENTS: Thirty-one infants admitted to the neonatal unit at the San Cecilio University Hospital (Granada, Spain) were recruited to this study...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28922088/semifluorinated-alkane-eye-drops-for-treatment-of-dry-eye-disease-due-to-meibomian-gland-disease
#7
Philipp Steven, Albert J Augustin, Gerd Geerling, Thomas Kaercher, Florian Kretz, Kathleen Kunert, Johannes Menzel-Severing, Norbert Schrage, Wolfgang Schrems, Sonja Krösser, Michael Beckert, Elisabeth M Messmer
PURPOSE: Meibomian gland disease is generally accepted as the leading cause for evaporative dry eye disease (DED). In a previous study, perfluorohexyloctane, a semifluorinated alkane, has been demonstrated to significantly increase tear film breakup time and to reduce corneal fluorescein staining in patients with evaporative DED, thereby vastly reducing dry eye-related symptoms. This study was set up to evaluate perfluorohexyloctane in a larger population of patients with Meibomian gland dysfunction...
September 18, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28921906/outcomes-of-severe-uveitic-glaucoma-treated-with-baerveldt-implant-can-blindness-be-prevented
#8
Annelie N Tan, Michiel F Cornelissen, Carroll A B Webers, Roel J Erckens, Tos T J M Berendschot, Henny J M Beckers
PURPOSE: To evaluate long-term outcomes on efficacy and safety of severe uveitic glaucoma treated with a Baerveldt glaucoma implant (BGI). METHODS: A retrospective study of 47 eyes of 47 patients with uveitic glaucoma treated by a BGI between September 2002 and September 2015. Main outcome measures were intraocular pressure (IOP), number of glaucoma medications, course of the uveitis, visual acuity (VA) and complications. RESULTS: Mean IOP dropped from 30...
September 18, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28921868/surface-modification-of-ultrahigh-molecular-weight-polyethylene-by-plasma-induced-in-situ-grafting-with-vinyl-triethoxysilane
#9
Chenbo Meng, Yangmei Chen, Meiju Xie, Zili Yu, Bangcheng Yang
Ultrahigh molecular weight polyethylene (UHMWPE) is an excellent material with high performance, but it is very difficult to covalently introduce functional groups on its surface owing to its inherently inert structure, which constrains its further application. In this study, vinyl triethoxysilane (VTEOS) containing hydrolysable alkoxyl groups was in situ grafted on UHMWPE by air plasma treatment. The plasma treatment conditions for VTEOS grafting were optimized. The structure of the modified UHMWPE was characterized with FTIR and XPS...
September 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28921780/factors-associated-with-attrition-in-substance-using-patients-enrolled-in-an-intensive-outpatient-program
#10
James Mckowen, Nicholas Carrellas, Courtney Zulauf, Emin Nalan Ward, Ronna Fried, Timothy Wilens
BACKGROUND AND OBJECTIVES: Data suggest individuals with substance use disorders (SUD) have high rates of attrition from treatment and exhibit impairments on measures of executive functioning (EF). The primary aim of this pilot study was to investigate if EF is associated with attrition from a 1 month intensive outpatient program (IOP) for SUD, and examine the feasibility of implementing the project. METHODS: Baseline neurocognitive functioning was assessed by the Cambridge Neuropsychological Test Automated Battery (CANTAB) and the self-reported Behavior Rating Inventory of Executive Functioning (BRIEF-A) questionnaire...
September 18, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28921393/genome-wide-compound-heterozygote-analysis-highlights-alleles-associated-with-adult-height-in-europeans
#11
Kaiyin Zhong, Gu Zhu, Xiaoxi Jing, A Emile J Hendriks, Sten L S Drop, M Arfan Ikram, Scott Gordon, Changqing Zeng, Andre G Uitterlinden, Nicholas G Martin, Fan Liu, Manfred Kayser
Adult height is the most widely genetically studied common trait in humans; however, the trait variance explainable by currently known height-associated single nucleotide polymorphisms (SNPs) identified from the previous genome-wide association studies (GWAS) is yet far from complete given the high heritability of this complex trait. To exam if compound heterozygotes (CH) may explain extra height variance, we conducted a genome-wide analysis to screen for CH in association with adult height in 10,631 Dutch Europeans enriched with extremely tall people, using our recently developed method implemented in the software package CollapsABEL...
September 18, 2017: Human Genetics
https://www.readbyqxmd.com/read/28920556/the-effects-of-limb-dominance-and-a-short-term-high-intensity-exercise-protocol-on-both-landings-of-the-vertical-drop-jump-implications-for-the-vertical-drop-jump-as-a-screening-tool
#12
Enda F Whyte, Patrick Kennelly, Oliver Milton, Chris Richter, Siobhán O'Connor, Kieran A Moran
The effectiveness of vertical drop jumps (VDJs) to screen for non-contact ACL injuries is unclear. This may be contributed to by discrete point analysis, which does not evaluate patterns of movement. Also, limited research exists on the second landing of VDJs, potential lower limb performance asymmetries and the effect of fatigue. Statistical parametric mapping investigated the main effects of landing, limb dominance and a high intensity, intermittent exercise protocol (HIIP) on VDJ biomechanics. Twenty-two male athletes (21...
September 18, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28920095/computational-study-of-quasi-2d-liquid-state-in-free-standing-platinum-silver-gold-and-copper-monolayers
#13
Li-Ming Yang, Ariel B Ganz, Matthew Dornfeld, Eric Ganz
Recently, freestanding atomically thick Fe metal patches up to 10 atoms wide have been fabricated experimentally in tiny pores in graphene. This concept can be extended conceptually to extended freestanding monolayers. We have therefore performed ab initio molecular dynamics simulations to evaluate the early melting stages of platinum, silver, gold, and copper freestanding metal monolayers. Our calculations show that all four freestanding monolayers will form quasi-2D liquid layers with significant out-of-plane motion and diffusion in the plane...
December 2016: Condens Matter
https://www.readbyqxmd.com/read/28919661/dax-the-next-generation-towards-one-million-processes-on-commodity-hardware
#14
Stephen M Damon, Brian D Boyd, Andrew J Plassard, Warren Taylor, Bennett A Landman
Large scale image processing demands a standardized way of not only storage but also a method for job distribution and scheduling. The eXtensible Neuroimaging Archive Toolkit (XNAT) is one of several platforms that seeks to solve the storage issues. Distributed Automation for XNAT (DAX) is a job control and distribution manager. Recent massive data projects have revealed several bottlenecks for projects with >100,000 assessors (i.e., data processing pipelines in XNAT). In order to address these concerns, we have developed a new API, which exposes a direct connection to the database rather than REST API calls to accomplish the generation of assessors...
2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28919609/psychiatric-disorders-in-drop-out-from-educational-attainment-attending-mental-health-facilities-a-descriptive-cross-sectional-study
#15
M S Islam, M H Rashid, M N Uddin, R K Singha, M A Rahman, M A Haque, C K Saha, M F Abedin
Studies of the impact of mental disorders on educational attainment are rare. Mental disorders, those beginning in childhood or adolescence may increase the risk of early drop out from education. The latter has been shown to have adverse life-course consequences on individuals such as greater demand on social welfare entitlements. A descriptive cross sectional study was carried out at the department of Psychiatry, Comilla Medical College, Comilla, Bangladesh. All cases were selected from patients attending at Comilla Medical College Hospital and Private Mental Health Facilities in Comilla City from March 2015 to February 2016...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28919515/trace-amine-associated-receptor-1-regulation-of-methamphetamine-induced-neurotoxicity
#16
Nicholas B Miner, Josh S Elmore, Michael H Baumann, Tamara J Phillips, Aaron Janowsky
Trace amine-associated receptor 1 (TAAR1) is activated by methamphetamine (MA) and modulates dopaminergic (DA) function. Although DA dysregulation is the hallmark of MA-induced neurotoxicity leading to behavioral and cognitive deficits, the intermediary role of TAAR1 has yet to be characterized. To investigate TAAR1 regulation of MA-induced neurotoxicity, Taar1 transgenic knock-out (KO) and wildtype (WT) mice were administered saline or a neurotoxic regimen of 4 i.p. injections, 2hr apart, of MA (2.5, 5, or 10mg/kg)...
September 14, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28918655/what-not-to-do-in-acute-otitis-media-the-top-five-recommendations-proposed-by-the-italian-society-of-preventive-and-social-pediatrics
#17
Elena Chiappini, Barbara Bortone, Mattia Doria, Massimo Landi, Giuseppe Di Mauro, Paola Marchisio
With the aim to reduce inappropriate procedures and antibiotic therapy in the management of acute otitis media (AOM) in children, the Italian Society of Preventive and Social Pediatrics (SIPPS) proposed a top five list of recommendations for clinical practice. Areas covered: AOM is one of the most frequent reasons for antibiotic prescription in pediatric age. The over-estimation of AOM is associated with inappropriate treatment, increased costs, adverse events and spread of antibiotic resistance. Thus, the most recent guidelines provided stringent diagnostic criteria and considered the "watchful waiting" approach, limiting the immediate antibiotic therapy to a well-characterized subgroup of children...
September 18, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28918446/favorable-surgical-outcomes-of-aldosterone-producing-adenoma-based-on-lateralization-by-ct-imaging-and-hypokalemia-a-non-avs-based-strategy
#18
Hai Li, Jianbin Liu, Xiujuan Feng, Liehua Liu, Guohong Wei, Xiaopei Cao, Yanbing Li
PURPOSE: To test the efficacy of a strategy based on CT imaging and clinical characteristics on lateralizing origin of excess aldosterone secretion in primary aldosteronism. PATIENTS AND METHODS: Consecutive patients with diagnosed primary hyperaldosteronism from June 2006 to July 2012 in our center underwent adrenal surgeries without pre-operational adrenal venous sampling (AVS) if all the three criteria were met: (1) round- or oval-shaped occupational lesion of low density after contrast enhancement with diameter >1 cm on CT scan was located in one adrenal gland; (2) unequivocally normal contralateral adrenal gland; (3) serum potassium level lower than 3...
September 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28918357/long-term-follow-up-after-tibialis-anterior-tendon-shortening-in-combination-with-achilles-tendon-lengthening-in-spastic-equinus-in-cerebral-palsy
#19
Michèle Kläusler, Bernhard Maria Speth, Reinald Brunner, Oren Tirosh, Carlo Camathias, Erich Rutz
Using Tibialis Anterior Shortening (TATS) in combination with Achilles Tendon Lengthening (TAL) to treat spastic equinus in children with cerebral palsy (CP) was described in 2011. Short-term results have indicated a good outcome, especially an improvement of the drop foot in swing phase and the correction of equinus in stance phase. The aim of this study was to analyse the results of the long-term follow-up and to determine the relapse rate of TATS and TAL. The kinematics of the sagittal, frontal and transversal planes were measured by using instrumented 3D gait analysis at three defined time points and then described using the Gait Profile Score (GPS) and Movement Analysis Profile (MAP)...
August 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28917929/development-of-carboxymethyl-cellulose-chitosan-hybrid-micro-and-macroparticles-for-encapsulation-of-probiotic-bacteria
#20
P Singh, B Medronho, L Alves, G J da Silva, M G Miguel, B Lindman
Novel carboxymethyl cellulose-chitosan (CMC-Cht) hybrid micro- and macroparticles were successfully prepared in aqueous media either by drop-wise addition or via nozzle-spray methods. The systems were either physically or chemically crosslinked using genipin as the reticulation agent. The macroparticles (ca. 2mm) formed are found to be essentially of the core-shell type, while the microparticles (ca. 5μm) are apparently homogeneous. The crosslinked particles are robust, thermally resistant and less sensitive to pH changes...
November 1, 2017: Carbohydrate Polymers
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