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https://www.readbyqxmd.com/read/28441540/supramolecular-interaction-of-methotrexate-with-cucurbit-7-uril-and-analytical-application
#1
Yin-Xia Chang, Xiang-Mei Zhang, Xue-Chao Duan, Fan Liu, Li-Ming Du
The supramolecular interaction between cucurbit[7]uril (CB[7]) as the host and the anti-cancer drug methotrexate (MTX) as the guest was studied using fluorescence spectroscopy, UV-visible absorption spectroscopy, (1)H NMR, 2D NOESY, and theoretical calculations. The experimental results confirmed the formation of 1:2 inclusion complex with CB[7] and indicated a simple and sensitive competitive method for the fluorescence detection of MTX. It was found that the fluorescence intensities of CB[7]-palmatine, CB[7]-berberine and CB[7]-coptisine were quenched linearly upon the addition of MTX...
April 20, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441509/patient-safety-and-quality-improvement-in-otolaryngology-education-a-systematic-review
#2
John D Gettelfinger, P Barrett Paulk, Cecelia E Schmalbach
Objective The breadth and depth of patient safety/quality improvement (PS/QI) research dedicated to otolaryngology-head and neck surgery (OHNS) education remains unknown. This systematic review aims to define this scope and to identify knowledge gaps as well as potential areas of future study to improved PS/QI education and training in OHNS. Data Sources A computerized Ovid/Medline database search was conducted (January 1, 1965, to May 15, 2015). Similar computerized searches were conducted using Cochrane Database, PubMed, and Google Scholar...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28441461/sliding-scale-hcg-trigger-yields-equivalent-pregnancy-outcomes-and-reduces-ovarian-hyperstimulation-syndrome-analysis-of-10-427-ivf-icsi-cycles
#3
Vinay Gunnala, Alexis Melnick, Mohamad Irani, David Reichman, Glenn Schattman, Owen Davis, Zev Rosenwaks
OBJECTIVE: To evaluate pregnancy outcomes and the incidence of ovarian hyperstimulation syndrome (OHSS) using a sliding scale hCG protocol to trigger oocyte maturity and establish a threshold level of serum b-hCG associated with optimal oocyte maturity. DESIGN: Retrospective cohort. SETTING: Academic medical center. PATIENTS: Fresh IVF cycles from 9/2004-12/2011. INTERVENTION: 10,427 fresh IVF-ICSI cycles met inclusion criteria...
2017: PloS One
https://www.readbyqxmd.com/read/28441452/systematic-review-finds-that-study-data-not-published-in-full-text-articles-have-unclear-impact-on-meta-analyses-results-in-medical-research
#4
Christine M Schmucker, Anette Blümle, Lisa K Schell, Guido Schwarzer, Patrick Oeller, Laura Cabrera, Erik von Elm, Matthias Briel, Joerg J Meerpohl
BACKGROUND: A meta-analysis as part of a systematic review aims to provide a thorough, comprehensive and unbiased statistical summary of data from the literature. However, relevant study results could be missing from a meta-analysis because of selective publication and inadequate dissemination. If missing outcome data differ systematically from published ones, a meta-analysis will be biased with an inaccurate assessment of the intervention effect. As part of the EU-funded OPEN project (www...
2017: PloS One
https://www.readbyqxmd.com/read/28441447/tumor-response-assessment-by-mri-following-stereotactic-body-radiation-therapy-for-hepatocellular-carcinoma
#5
Guillaume Oldrini, Andres Huertas, Sophie Renard-Oldrini, Hélène Taste-George, Guillaume Vogin, Valérie Laurent, Julia Salleron, Philippe Henrot
BACKGROUND: To evaluate the MRI features of a tumor response, local control, and predictive factors of local control after stereotactic body radiation therapy (SBRT) for hepatocellular carcinoma (HCC). METHODS: Thirty-five consecutive patients with 48 HCCs who were treated by SBRT were included in this retrospective study. All patients provided written informed consent to be treated by SBRT, and prior to inclusion they authorized use of the treatment data for further studies...
2017: PloS One
https://www.readbyqxmd.com/read/28441308/factors-associated-with-the-development-of-and-revision-for-proximal-junctional-kyphosis-in-440-consecutive-adult-spinal-deformity-patients
#6
Fred H Nicholls, Junseok Bae, Alexander A Theologis, Murat S Eksi, Christopher P Ames, Sigurd H Berven, Shane Burch, Bobby K Tay, Vedat Deviren
STUDY DESIGN: Retrospective review of prospectively collected data OBJECTIVE.: The aim of this study was to examine which radiographic parameters and surgical strategies are most closely associated with proximal junctional kyphosis (PJK) after adult spinal deformity (ASD) surgery, the need for revision surgery for PJK, and whether these differ based on the upper instrumented vertebra (UIV). SUMMARY OF BACKGROUND DATA: Multiple parameters are considered when planning correction of ASD...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28441279/congenital-etiology-is-an-independent-risk-factor-for-complications-in-adolescents-undergoing-corrective-scoliosis-surgery-comparison-of-in-hospital-comorbidities-using-nationwide-kid-s-inpatient-database
#7
Gregory W Poorman, Cyrus M Jalai, Bassel Diebo, Shaleen Vira, John Buza, Joe Baker, Jared Tishelman, Samantha Horn, Olivia Bono, Kartik Shenoy, Saqib Hasan, Justin Paul, Evan Isaacs, Ian Kaye, Abiola Atanda, Aaron J Buckland, Virginie LaFage, Thomas Errico, Peter G Passias
BACKGROUND: Congenital scoliosis (CS) is associated with more rigid, complex deformities relative to adolescent idiopathic scoliosis (AIS) which theoretically increases surgical complications. Despite extensive literature studying AIS patients, few studies have been performed on CS patients. The purpose of this study was to evaluate complications associated with spinal fusions for CS and AIS. METHODS: A retrospective review of the Kid's Inpatient Database (KID) years 2000 to 2009 was performed...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28441278/the-utility-of-routine-postoperative-radiographs-after-pinning-of-pediatric-supracondylar-humerus-fractures
#8
Vytas P Karalius, Jacob Stanfield, Philip Ashley, Laura W Lewallen, Casey M DeDeugd, Janet Walker, Annalise N Larson, Todd A Milbrandt
BACKGROUND: The purpose of this study was to determine the frequency with which postoperative radiographs resulted in a change in management following closed reduction and percutaneous pinning of displaced pediatric supracondylar humerus fractures. We hypothesize that only the initial postoperative radiograph will lead to changes in management of operative supracondylar humerus fractures. METHODS: A retrospective review was performed at 2 level I pediatric trauma centers...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28441242/identifying-undiagnosed-pediatric-mental-illness-in-the-emergency-department
#9
La Vonne A Downey, Leslie S Zun
BACKGROUND: It is well known that pediatric psychiatric patients frequent emergency department (ED), but the number of patients with undiagnosed psychiatric illness presenting to an ED is not well known. Identification and referral of these patients may provide an opportunity for improved patient care. The primary study objective was to identify a tool that can screen for unsuspected psychiatric illness in pediatric patients who present to the ED with non-psychiatric-related complaints...
April 24, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28441237/noninvasive-ventilation-in-acute-hypoxemic-nonhypercapnic-respiratory-failure-a-systematic-review-and-meta-analysis
#10
Xiu-Ping Xu, Xin-Chang Zhang, Shu-Ling Hu, Jing-Yuan Xu, Jian-Feng Xie, Song-Qiao Liu, Ling Liu, Ying-Zi Huang, Feng-Mei Guo, Yi Yang, Hai-Bo Qiu
OBJECTIVE: To evaluate the effectiveness of noninvasive ventilation in patients with acute hypoxemic nonhypercapnic respiratory failure unrelated to exacerbation of chronic obstructive pulmonary disease and cardiogenic pulmonary edema. DATA SOURCES: PubMed, EMBASE, Cochrane library, Web of Science, and bibliographies of articles were retrieved inception until June 2016. STUDY SELECTION: Randomized controlled trials comparing application of noninvasive ventilation with standard oxygen therapy in adults with acute hypoxemic nonhypercapnic respiratory failure were included...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28441168/a-review-of-caffeine-use-as-a-risk-or-protective-factor-for-women-s-health-and-pregnancy
#11
Amy Peacock, Richard P Mattick, Raimondo Bruno
PURPOSE OF REVIEW: To provide a narrative synthesis of recently published studies on caffeine use as a risk or protective factor for health outcomes, with a focus on women's health and pregnancy. RECENT FINDINGS: Based on predominantly observational studies, moderate caffeine intake has been shown to be a protective factor for liver cancer, certain bowel conditions, colorectal cancer, skin cancer, and regular menstrual cycle function. However, heavy consumption is a risk factor for osteoporosis, urinary incontinence, and poorer birth and child developmental outcomes...
April 22, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28441087/using-the-payoff-time-in-decision-analytic-models-a-case-study-for-using-statins-in-primary-prevention
#12
Alexander Thompson, Bruce Guthrie, Katherine Payne
BACKGROUND: The payoff time represents an estimate of when the benefits of an intervention outweigh the costs. It is particularly useful for benefit-harm decision making for interventions that have deferred benefits but upfront harms. The aim of this study was to expand the application of the payoff time and provide an example of its use within a decision-analytic model. METHODS: Three clinically relevant patient vignettes based on varying levels of estimated 10-year cardiovascular risk (10%, 15%, 20%) were developed...
March 1, 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
https://www.readbyqxmd.com/read/28441019/catalytic-enantioselective-%C3%AE-protonation-through-a-cooperative-activation-strategy
#13
Michael H Wang, David Barsoum, C Benjamin Schwamb, Daniel T Cohen, Brian C Goess, Matthias Riedrich, Audrey Chan, Brooks E Maki, Rama K Mishra, Karl A Scheidt
The NHC-catalyzed transformation of unsaturated aldehydes into saturated esters through an organocatalytic homoenolate process has been thoroughly studied. Leveraging a unique "Umpolung"-mediated β-protonation, this process has evolved from a test bed for homoenolate reactivity to a broader platform for asymmetric catalysis. Inspired by our success in using the β-protonation process to generate enals from ynals with good E/Z selectivity, our early studies found that an asymmetric variation of this reaction was not only feasible, but also adaptable to a kinetic resolution of secondary alcohols through NHC-catalyzed acylation...
April 25, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28440959/qualitative-research-in-teen-experiences-living-with-food-induced-anaphylaxis-a-meta-aggregation
#14
REVIEW
Sara F Johnson, Roberta L Woodgate
AIM: To describe the central experiences of teens living with Food-Induced Anaphylaxis as a first step in responding to health care needs in this population. BACKGROUND: As prevalence of allergy increases and commonly-outgrown allergies persist longer, chronic management for teens becomes increasingly important. This review seeks to understand how teens experience living with Food-Induced Anaphylaxis. DESIGN: Meta-aggregation for qualitative systematic review, to create synthesis for clinical improvement; guided by Joanna Briggs Institute methods and their Qualitative Assessment and Review Instrument...
April 25, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28440890/fluorescence-and-autoradiographic-evaluation-of-tau-pet-ligand-pbb3-to-%C3%AE-synuclein-pathology
#15
Shunsuke Koga, Maiko Ono, Naruhiko Sahara, Makoto Higuchi, Dennis W Dickson
BACKGROUND: The tau PET ligand 2-((1E,3E)-4-(6-([(11) C]methylamino)pyridin-3-yl)buta-1,3-dienyl)benzo[d]thiazol-6-ol ([(11) C]PBB3) binds to a wide range of tau pathology; however, binding property of PBB3 to non-tau inclusions remains unknown. To clarify whether [(11) C]PBB3 binds to α-synuclein pathology, reactivity of PBB3 was assessed by in vitro fluorescence and autoradiographic labeling of brain sections from α-synucleinopathies patients. METHOD: Of 10 pure Lewy body disease and 120 multiple system atrophy (MSA) cases in the Mayo Clinic brain bank, we selected 3 Lewy body disease and 4 MSA cases with a range of α-synuclein severity based on the quantitative analysis of α-synuclein burden...
April 25, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28440876/triple-modality-treatment-in-patients-with-advanced-stage-tonsil-cancer
#16
Dylan F Roden, David Schreiber, Babak Givi
BACKGROUND: Concurrent chemoradiation (CCRT) and upfront surgery followed by adjuvant therapy both are recommended treatment options for patients with advanced stage squamous cell carcinoma (SCC) of the tonsil. To the authors' knowledge, the question of whether surgical-based treatments can achieve better survival compared with CCRT has never been compared in a clinical trial. The authors analyzed the National Cancer Data Base to measure the impact of different treatment modalities on overall survival (OS)...
April 25, 2017: Cancer
https://www.readbyqxmd.com/read/28440867/the-epileptology-of-koolen-de-vries-syndrome-electro-clinico-radiologic-findings-in-31-patients
#17
Kenneth A Myers, Simone A Mandelstam, Georgia Ramantani, Elisabeth J Rushing, Bert B de Vries, David A Koolen, Ingrid E Scheffer
OBJECTIVE: This study was designed to describe the spectrum of epilepsy phenotypes in Koolen-de Vries syndrome (KdVS), a genetic syndrome involving dysmorphic features, intellectual disability, hypotonia, and congenital malformations, that occurs secondary to 17q21.31 microdeletions and heterozygous mutations in KANSL1. METHODS: We were invited to attend a large gathering of individuals with KdVS and their families. While there, we recruited individuals with KdVS and seizures, and performed thorough phenotyping...
April 25, 2017: Epilepsia
https://www.readbyqxmd.com/read/28440865/generation-of-wavy-structure-on-lipid-membrane-by-peripheral-proteins-a-linear-elastic-analysis
#18
Paritosh Mahata, Sovan Lal Das
We carry out a linear elastic analysis to study wavy structure generation on lipid membrane by peripheral membrane proteins. We model the lipid membrane as linearly elastic and anisotropic material. The hydrophobic insertion by proteins into the lipid membrane has been idealized as penetration of rigid rodlike inclusions into the membrane and the electrostatic interaction between protein and membrane has been modeled by a distributed surface traction acting on the membrane surface. With the proposed model we study curvature generation by several binding domains of peripheral membrane proteins containing BAR domains and amphipathic alpha-helices...
April 25, 2017: FEBS Letters
https://www.readbyqxmd.com/read/28440853/antibiotic-strategies-for-eradicating-pseudomonas-aeruginosa-in-people-with-cystic-fibrosis
#19
REVIEW
Simon C Langton Hewer, Alan R Smyth
BACKGROUND: Respiratory tract infection with Pseudomonas aeruginosa occurs in most people with cystic fibrosis. Once chronic infection is established, Pseudomonas aeruginosa is virtually impossible to eradicate and is associated with increased mortality and morbidity. Early infection may be easier to eradicate.This is an update of a Cochrane review first published in 2003, and previously updated in 2006, 2009 and 2014. OBJECTIVES: To determine whether antibiotic treatment of early Pseudomonas aeruginosa infection in children and adults with cystic fibrosis eradicates the organism, delays the onset of chronic infection, and results in clinical improvement...
April 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28440839/refugee-health-and-rehabilitation-challenges-and-response
#20
Fary Khan, Bhasker Amatya
BACKGROUND: The current global refugee crisis poses major challenges in providing effective healthcare to refugees, particularly for non-communicable diseases (NCDs) management and disability. This article provides an overview of refugee health and potential challenges from the rehabilitation perspective. METHODS: A literature search (both academic and grey literature) was conducted using medical and health science electronic databases and internet search engines (2001-2016)...
April 21, 2017: Journal of Rehabilitation Medicine
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