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https://www.readbyqxmd.com/read/29352690/diagnostic-utility-of-histological-analysis-for-detecting-ongoing-infection-during-two-stage-revision-arthroplasty-in-patients-with-inflammatory-arthritis
#1
Jaiben George, Yaxia Zhang, Michael Jawad, Mhamad Faour, Alison K Klika, Thomas W Bauer, Carlos A Higuera
BACKGROUND: Surgeons often rely on intra-operative histology (frozen sections [FS]) to determine the next step in surgical management during the second stage (re-implantation surgery) of 2-stage revision arthroplasty. The purpose of the study is to assess the accuracy of permanent sections (PS) and FS in the diagnosis of persistent infection during re-implantation in patients with an inflammatory arthritis. METHODS: From 2001 to 2016, 47 planned second-stage revision total hip arthroplasty and total knee arthroplasty in patients with inflammatory arthritis were identified...
December 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352333/long-term-results-of-custom-cementless-stem-total-hip-arthroplasty-performed-in-hip-fusion
#2
Xavier Flecher, Matthieu Ollivier, Pascal Maman, Sébastien Pesenti, Sébastien Parratte, Jean-Noël Argenson
INTRODUCTION: Due to complex anatomical considerations, results of cementless-stem total hip arthroplasty (THA) in hip fusion remain controversial compared with conventional THA. We therefore aimed to analyse 3D anatomy of the fused hip based on pre-operative computed tomography (CT) scans, functional outcomes based on the Harris Hip Score (HHS) and the Hip Disability and Osteoarthritis Outcome Score (HOOS), modifications of hip anatomy based on post-operative standardised radiography, and determine complication rate and long-term survival based on Kaplan-Meier analysis...
January 19, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29352044/resolution-of-spurious-immunonephelometric-igg-subclass-measurement-discrepancies-by-lc-ms-ms
#3
Grace van der Gugten, Mari L DeMarco, Luke Y C Chen, Alex Chin, Mollie Caruthers, Daniel T Holmes, Andre Mattman
BACKGROUND: The Binding Site immunonephelometric (IN) IgG subclass reagents (IgG1, IgG2, IgG3, IgG4, BSIN) are used for assessment of both immunodeficiency and IgG4-related disease (IgG4-RD). In our laboratory, suspected analytic errors were noted in patients with increases in IgG4: The sum of the individual IgG subclasses was substantially greater than the measured total IgG concentrations (unlike samples with normal IgG4), and the IgG4 concentration was always less than the IgG2 concentration...
January 19, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29351756/disability-due-to-knee-pain-and-somatising-tendency-in-japanese-adults
#4
Tomoko Fujii, Hiroyuki Oka, Junji Katsuhira, Juichi Tonosu, Satoshi Kasahara, Sakae Tanaka, Ko Matsudaira
BACKGROUND: Knee pain is common and related to knee osteoarthritis. However, there is a discrepancy between knee pain and radiographic osteoarthritis. In the general population, knee pain is associated with psychological and cognitive factors, which would be one explanation for the discrepancy. Limited evidence demonstrates that somatization is associated with knee pain. This study examined the association between disability due to knee pain and a high somatising tendency. METHODS: Japanese adults (aged 20-64 years) who had experienced knee pain in the past four weeks were included in this study (n = 14,695, 50% women)...
January 19, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29351133/using-clinical-questions-asked-by-primary-care-providers-through-econsults-to-inform-continuing-professional-development
#5
Douglas Archibald, Clare Liddy, Heather A Lochnan, Paul J Hendry, Erin J Keely
INTRODUCTION: Continuing professional development (CPD) offerings should address the educational needs of health care providers. Innovative programs, such as electronic consultations (eConsults), provide unique educational opportunities for practice-based needs assessment. The purpose of this study is to assess whether CPD offerings match the needs of physicians by coding and comparing session content to clinical questions asked through eConsults. METHODS: This study analyzes questions asked by primary care providers between July 2011 and January 2015 using a service that allows specialists to provide consultation over a secure web-based server...
January 16, 2018: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/29351110/low-cholesterol-impulsivity-and-violence-revisited
#6
Katrin Tomson-Johanson, Jaanus Harro
PURPOSE OF REVIEW: To summarize the recent findings on the association of cholesterol levels with impulsivity and violence. RECENT FINDINGS: Several authors have recently highlighted the importance of confounding factors that mask the association between cholesterol and impulsivity or violent behaviour. In particular, demographic factors and presence of psychiatric disorders can play a role in the discrepancies present in literature. Men seem to be more sensitive to low cholesterol levels as the association between low cholesterol levels and aggression is found mostly in men...
January 17, 2018: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29351096/discrepancies-in-the-definition-of-outpatient-surgeries-and-their-effect-on-study-outcomes-related-to-acdf-and-lumbar-discectomy-procedures-a-retrospective-analysis-of-45-204-cases
#7
Patawut Bovonratwet, Matthew L Webb, Nathaniel T Ondeck, Raj J Gala, Stephen J Nelson, Ryan P McLynn, Jonathan J Cui, Jonathan N Grauer
STUDY DESIGN: This is a retrospective study. OBJECTIVE: To study the differences in definition of "inpatient" and "outpatient" [stated status vs. actual length of stay (LOS)], and the effect of defining populations based on the different definitions, for anterior cervical discectomy and fusion (ACDF) and lumbar discectomy procedures in the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database. SUMMARY OF BACKGROUND DATA: There has been an overall trend toward performing ACDF and lumbar discectomy in the outpatient setting...
January 18, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29351031/strengths-and-difficulties-questionnaire-sdq-informant-agreement-between-children-born-with-cleft-lip-and-or-palate-and-their-parents
#8
Susanna Memmen Bjerke, Kristin Billaud Feragen, Svein Bergvik
OBJECTIVE: Informant discrepancies on psychological measures may affect the assessment, classification, and treatment of children's mental health. Concordance between different informants has been shown to be low to moderately correlated. The present study examined the agreement between children with cleft lip and/or palate (CL/P) and their parents. DESIGN: Cross-sectional data from 7 consecutive birth cohorts based on routine psychological assessments at age 10 with comparisons to national reference groups...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350740/full-dimensional-analytical-potential-energy-surface-describing-the-gas-phase-cl-c2h6-reaction-and-kinetics-study-of-rate-constants-and-kinetic-isotope-effects
#9
Cipriano Rangel, Joaquin Espinosa-Garcia
Within the Born-Oppenheimer approximation a full-dimensional analytical potential energy surface, PES-2017, was developed for the gas-phase hydrogen abstraction reaction between the chlorine atom and ethane, which is a nine body system. This surface presents a valence-bond/molecular mechanics functional form dependent on 60 parameters and is fitted to high-level ab initio calculations. This reaction presents little exothermicity, -2.30 kcal mol-1, with a low height barrier, 2.44 kcal mol-1, and intermediate complexes in the entrance and exit channels...
January 19, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29350579/evaluation-of-respiratory-motion-corrected-cone-beam-ct-at-end-expiration-in-abdominal-radiotherapy-sites-a-prospective-study
#10
Russell E Kincaid, Agung E Hertanto, Yu-Chi Hu, Abraham J Wu, Karyn A Goodman, Hai D Pham, Ellen D Yorke, Qinghui Zhang, Qing Chen, Gig S Mageras
BACKGROUND: Cone beam computed tomography (CBCT) for radiotherapy image guidance suffers from respiratory motion artifacts. This limits soft tissue visualization and localization accuracy, particularly in abdominal sites. We report on a prospective study of respiratory motion-corrected (RMC)-CBCT to evaluate its efficacy in localizing abdominal organs and improving soft tissue visibility at end expiration. MATERIAL AND METHODS: In an IRB approved study, 11 patients with gastroesophageal junction (GEJ) cancer and five with pancreatic cancer underwent a respiration-correlated CT (4DCT), a respiration-gated CBCT (G-CBCT) near end expiration and a one-minute free-breathing CBCT scan on a single treatment day...
January 19, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29350443/cutting-reduces-variation-in-biomass-production-of-forage-crops-and-allows-low-performers-to-catch-up-a-case-study-of-trifolium-pratense-l-red-clover
#11
Denise Herbert, Klemens Ekschmitt, Volker Wissemann, Annette Becker
Regrowth of fodder plants after grazing and mowing drives the profitability of their cultivation and is therefore an important target trait for plant breeding and agricultural engineering. However, for some fodder plants little is known about their regrowth dynamics in response to grazing or mowing. We analyzed the native response of plant architecture, leaf morphology and growth performance to experimental cutting in wild Trifolium pratense L. (red clover) plants. One hundred fifty potted clover plants were established under controlled field conditions, and half of the plants were cut to 5 cm 3 months after sowing...
January 19, 2018: Plant Biology
https://www.readbyqxmd.com/read/29350439/tandem-mass-spectroscopy-as-a-tool-for-investigation-of-complexes-of-pnp-lariat-ether-derivative-with-metals-ions
#12
Natalia Gutowska, Piotr Seliger, Grzegorz Andrijewski, Grażyna Adamus, Iwona Kwiecień
The novel PNP-lariat ether L with cyclotriphosphazene ring incorporated in the macrocyclic structure was synthesized and checked by the ESI-MS method for the ability to bind different types of ions Ag+ , Ca2+ , Cd2+ , Cu2+ and Pb2+ . Furthermore, the stability constants of the abovementioned ions complexes with the investigated ligand have been determined by direct and competitive potentiometric methods. In order to evaluate the stability of various complexes types and to confirm the way of metal cation binding, the tandem mass spectra (MS/MS) of the investigated ligand and its complexes were taken...
January 19, 2018: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29350246/data-driven-quality-improvement-project-to-increase-the-value-of-the-congenital-echocardiographic-report
#13
Pei-Ni Jone, Ruthanne Gould, Cindy Barrett, Adel K Younoszai, Brian Fonseca
Echocardiography is the primary diagnostic modality for congenital heart disease patients. The written report is used to communicate with the care team and organization is often divided into the body with detailed findings and the conclusions with important findings summarized. Strategies to increase workflow efficiency include batch writing of reports after performance of multiple echocardiograms and the use of report templates which may contribute to discrepancies within report leading to potential downstream medical errors...
January 19, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29350197/a-three-dimensional-correction-method-for-predicting-the-readings-of-a-pinpoint-chamber-on-the-cyberknife-sup-%C3%A2-sup-m6%C3%A2-machine
#14
Yongqian Zhang, Edward Brandner, Cihat Ozhasoglu, Ron Lalonde, Dwight E Heron, M Saiful Huq
The use of small fields in radiation therapy techniques has increased substantially in particular in stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). However, as field size reduces further still, the response of the detector changes more rapidly with field size, and the effects of measurement uncertainties become increasingly significant. This work presents a novel 3D dose volume-to-point correction method to predict the readings of a 0.015cc PinPoint chamber (PTW 31014) for both small static-fields and composite-field dosimetry formed by fixed cones on the CyberKnife® M6™ machine...
January 19, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29349968/-clinical-outcomes-of-total-hip-arthroplasty-using-wagner-sl-revision-stem-in-femoral-intertrochanteric-fractures-for-patients-with-old-fracture-or-painful-arthritis-before-injury
#15
Xian-Wu Chen, Ru-Qing Ye, Hai-Ping Xu
OBJECTIVE: To retrospectively study the clinical results of total hip arthroplasty(THA) using Wagner SL revision stem for patients with femoral intertrochanteric fracture. METHODS: From 2006 January to 2009 December, 29 consecutive patients with femoral intertrochanteric fractures were performed THA using Wagner SL revision stem and intertrochanteric reconstruction, including 18 males and 11 females with an average age of 49 years old ranging from 43 to 58. Among them, 8 cases were oboslete femoral intertrochanteric fractures and 21 cases were the intertrochanteric fractures with painful arthritis before injuries...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349801/evaluating-the-effects-of-rater-and-subject-factors-on-measures-of-association
#16
Kerrie P Nelson, Aya A Mitani, Don Edwards
Large-scale agreement studies are becoming increasingly common in medical settings to gain better insight into discrepancies often observed between experts' classifications. Ordered categorical scales are routinely used to classify subjects' disease and health conditions. Summary measures such as Cohen's weighted kappa are popular approaches for reporting levels of association for pairs of raters' ordinal classifications. However, in large-scale studies with many raters, assessing levels of association can be challenging due to dependencies between many raters each grading the same sample of subjects' results and the ordinal nature of the ratings...
January 19, 2018: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/29349770/retrospective-audit-of-patients-referred-for-further-treatment-following-mohs-surgery-for-non-melanoma-skin-cancer
#17
Edmund Wee, Michelle S Goh, Vanessa Estall, Albert Tiong, Angela Webb, Catherine Mitchell, William Murray, Phillip Tran, Christopher J McCormack, Michael Henderson, Emma L Hiscutt
BACKGROUND/OBJECTIVES: To describe the characteristics, subsequent management and outcomes of patients referred for further management following Mohs micrographic surgery (MMS) for basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). METHODS: Retrospective analysis of patients referred to a quaternary cancer centre from 2000 to 2015. RESULTS: In total, 83 lesions in 82 patients were referred for further management; 52 (62%) were SCC and 80 (96%) were located in the head and neck...
January 18, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29349699/to-evaluate-the-feasibility-of-magnetic-resonance-imaging-in-predicting-unusual-site-ectopic-pregnancy-a-retrospective-cohort-study
#18
Gabriele Masselli, Martina Derme, Maria Grazia Piccioni, Vincenzo Spina, Francesca Laghi, Gianfranco Gualdi, Marialuisa Framarino-Dei-Malatesta
OBJECTIVE: To evaluate the accuracy of pelvic MRI in the diagnosis of unusual ectopic pregnancy (EP), when ultrasound (US) examination is inconclusive. METHODS: We retrospectively reviewed the medical records of 150 patients with suspected EP. Clinical, US and MRI features of 15 unusual EPs were analysed. Two radiologists independently reviewed each case resolving by consensus any diagnostic discrepancy. Interobserver agreement was assessed using the Cohen κ test...
January 18, 2018: European Radiology
https://www.readbyqxmd.com/read/29349659/-self-and-informant-rating-mood-scales-applied-in-elderly-persons-with-alzheimer-s-dementia-with-or-without-a%C3%A2-language-disorder
#19
Margina Yildirim-Gorter, Djahill Groot, Linda Hermens, Han Diesfeldt, Erik Scherder
INTRODUCTION: Alzheimer's Dementia (AD) may be associated with symptoms of depression. In AD, problems of language expression or understanding will arise sooner or later. The aim of this study was to determine whether elderly persons with AD, with or without a language disorder, experience difficulties understanding and answering mood related questions. In addition to this, it was our object to test the validity of the answers of nurses as informants, on the mood of an elderly client...
January 18, 2018: Tijdschrift Voor Gerontologie en Geriatrie
https://www.readbyqxmd.com/read/29349544/interpretation-of-motion-analysis-of-laparoscopic-instruments-based-on-principal-component-analysis-in-box-trainer-settings
#20
Ignacio Oropesa, Fernando Pérez Escamirosa, Juan A Sánchez-Margallo, Silvia Enciso, Borja Rodríguez-Vila, Arturo Minor Martínez, Francisco M Sánchez-Margallo, Enrique J Gómez, Patricia Sánchez-González
BACKGROUND: Motion analysis parameters (MAPs) have been extensively validated for assessment of minimally invasive surgical skills. However, there are discrepancies on how specific MAPs, tasks, and skills match with each other, reflecting that motion analysis cannot be generalized independently of the learning outcomes of a task. Additionally, there is a lack of knowledge on the meaning of motion analysis in terms of surgical skills, making difficult the provision of meaningful, didactic feedback...
January 18, 2018: Surgical Endoscopy
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