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https://www.readbyqxmd.com/read/29352686/interobserver-and-intraobserver-reliability-of-computed-tomography-based-three-dimensional-preoperative-planning-for-primary-total-knee-arthroplasty
#1
Michiaki Miura, Shigeo Hagiwara, Junichi Nakamura, Yasushi Wako, Yuya Kawarai, Seiji Ohtori
BACKGROUND: Preoperative planning is an important factor for total knee arthroplasty (TKA). The aim of this study is to document the interobserver and intraobserver reliability of computed tomography (CT)-based 3-dimensional (3D) preoperative planning for primary TKA. METHODS: Twenty knees (10 with osteoarthritis and 10 with rheumatoid arthritis) were studied independently by 6 orthopedic surgeons using a CT-based 3D planning system. The measurements were made twice at more than 3-week intervals without any knowledge of their own previous measurements or those of the others...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29312815/satellite-tagging-highlights-the-importance-of-productive-mozambican-coastal-waters-to-the-ecology-and-conservation-of-whale-sharks
#2
Christoph A Rohner, Anthony J Richardson, Fabrice R A Jaine, Michael B Bennett, Scarla J Weeks, Geremy Cliff, David P Robinson, Katie E Reeve-Arnold, Simon J Pierce
The whale shark Rhincodon typus is an endangered, highly migratory species with a wide, albeit patchy, distribution through tropical oceans. Ten aerial survey flights along the southern Mozambican coast, conducted between 2004-2008, documented a relatively high density of whale sharks along a 200 km stretch of the Inhambane Province, with a pronounced hotspot adjacent to Praia do Tofo. To examine the residency and movement of whale sharks in coastal areas around Praia do Tofo, where they may be more susceptible to gill net entanglement, we tagged 15 juveniles with SPOT5 satellite tags and tracked them for 2-88 days (mean = 27 days) as they dispersed from this area...
2018: PeerJ
https://www.readbyqxmd.com/read/29306474/concealed-abnormal-atrial-phenotype-in-patients-with-brugada-syndrome-and-no-history-of-atrial-fibrillation
#3
Giulio Conte, Maria Luce Caputo, Paul G A Volders, Adrian Luca, Luca Mainardi, Ulrich Schotten, Valentina D A Corino, François Regoli, Stef Zeemering, Matthias Zink, Sasan Yazdani, Lukas Kappenberger, Tiziano Moccetti, Jean-Marc Vesin, Angelo Auricchio
OBJECTIVES: The electrocardiogram (ECG) of patients with BrS in sinus rhythm might reflect intrinsic atrial electrical abnormalities independent from any previous atrial fibrillation (AF). Aim of this study is to investigate the presence of P-wave abnormalities in patients with BrS and no history of AF, and to compare them with those displayed by patients with documented paroxysmal AF and by healthy subjects. METHODS: Continuous 5-min 16-lead ECG recordings in sinus rhythm were obtained from 72 participants: 32 patients with a type 1 Brugada ECG, 20 patients with a history of paroxysmal AF and 20 age-matched healthy subjects...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29295773/a-comprehensive-approach-to-convert-a-radiology-department-from-coding-based-on-international-classification-of-diseases-ninth-revision-to-coding-based-on-international-classification-of-diseases-tenth-revision
#4
Morgan P McBee, Tal Laor, Rebecca M Pryor, Rachel Smith, Judy Hardin, Lisa Ulland, Sally May, Bin Zhang, Alexander J Towbin
PURPOSE: The purpose of this study was to adapt our radiology reports to provide the documentation required for specific International Classification of Diseases, tenth rev (ICD-10) diagnosis coding. MATERIALS AND METHODS: Baseline data were analyzed to identify the reports with the greatest number of unspecified ICD-10 codes assigned by computer-assisted coding software. A two-part quality improvement initiative was subsequently implemented. The first component involved improving clinical histories by utilizing technologists to obtain information directly from the patients or caregivers, which was then imported into the radiologist's report within the speech recognition software...
December 30, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29284176/bone-patellar-tendon-bone-autograft-versus-hamstring-tendon-autograft-for-anatomical-anterior-cruciate-ligament-reconstruction-with-three-dimensional-validation-of-femoral-and-tibial-tunnel-positions
#5
Shuji Taketomi, Hiroshi Inui, Ryota Yamagami, Nobuyuki Shirakawa, Kohei Kawaguchi, Takumi Nakagawa, Sakae Tanaka
The purpose of this retrospective study was to first compare the clinical outcome of anatomical double-bundle (DB) anterior cruciate ligament reconstruction (ACLR) with hamstring tendon (HT) autografts and anatomical rectangular tunnel ACLR with bone-patellar tendon-bone (BPTB) autografts. Secondly, we aimed to demonstrate the quantitative locations of the femoral and tibial tunnel apertures using postoperative three-dimensional computed tomography (3D CT).Twenty-five patients underwent anatomical rectangular tunnel ACLR using BPTB grafts (Group B) and 23 patients underwent anatomical DB ACLR using HT grafts (Group H)...
December 28, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29279813/the-assessment-of-fusion-following-sacroiliac-joint-fusion-surgery
#6
Hamid Abbasi, John A Hipp
Sacroiliac joint fusions (SIJF) have been the subject of many research studies. The technical success of an SIJF is in part determined by whether osseous bridging occurs across the sacroiliac joint (SIJ). However, no validated SIJF assessment method has been described. Our objective was to document previously described SIJF assessment methods and define and validate a detailed assessment system for SIJF. Our results are only intended to establish computed tomography (CT)-based guidelines for SIJF to be used in a subsequent large clinical study to correlate them with clinical outcomes...
October 20, 2017: Curēus
https://www.readbyqxmd.com/read/29278800/nuclear-accident-consequence-assessment-in-hong-kong-using-jrodos
#7
W H Leung, W M Ma, Philip K Y Chan
The JRODOS (Java-based Real-time Online DecisiOn Support) is a decision support system for off-site emergency management for releases of radioactive material into the environment. This paper documents the application of JRODOS by the Hong Kong Observatory in accident consequence assessment and emergency preparedness studies. For operational considerations, the most computational efficient dispersion model in JRODOS, ATSTEP, is adopted. Verification studies for JRODOS's ATSTEP model have been conducted. Comparison with tracer experiment results showed that under neutral atmospheric conditions and distances up to 50 km, the JRODOS simulation outputs were in general of the same order of magnitude with the tracer data...
December 23, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29258601/preliminary-testing-of-the-reliability-and-feasibility-of-sage-a-system-to-measure-and-score-engagement-with-and-use-of-research-in-health-policies-and-programs
#8
Steve R Makkar, Anna Williamson, Catherine D'Este, Sally Redman
BACKGROUND: Few measures of research use in health policymaking are available, and the reliability of such measures has yet to be evaluated. A new measure called the Staff Assessment of Engagement with Evidence (SAGE) incorporates an interview that explores policymakers' research use within discrete policy documents and a scoring tool that quantifies the extent of policymakers' research use based on the interview transcript and analysis of the policy document itself. We aimed to conduct a preliminary investigation of the usability, sensitivity, and reliability of the scoring tool in measuring research use by policymakers...
December 19, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/29250967/-emergency-diagnosis-of-the-acute-vestibular-syndrome
#9
T László Tamás, Tibor Garai, István Király, Andrea Mike, Csaba Nagy, Ágnes Paukovics, Péter Schmidt, Ferenc Szatmári, Tamás Tompos, Árpád Vadvári, Ágnes Szirmai
INTRODUCTION AND AIM: To diagnose acute vestibular syndrome (AVS) in a prospective study by a new bedside test (providing 1A evidence) based on oculomotor analysis and assessment of hearing loss. To assess the frequency of central and peripheral causes of acute vestibular syndrome in the emergency room. To establish the diagnostic accuracy of acute cranial computed tomography as compared to oculomotor analysis done by video oculography goggles and audiometry. METHOD: Between 1st March 2016 and 1st March 2017 we documented 125 patients (62 women, 63 men, average age 53 years) in the emergency room of the Petz Aladár County Teaching Hospital using the above bedside and instrumental testing...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29239510/high-resolution-absorption-and-electronic-circular-dichroism-spectra-of-r-1-phenyl-ethanol-confident-interpretation-based-on-the-synergy-between-experiments-and-computations
#10
Fabrizio Santoro, Farinaz Mortaheb, Jorn Lepelmeier, Ulrich Boesl, Ulrich Heiz, Aras Kartouzian
Using Density Functional Theory and its time-dependent extension for excited states, the S0->S1 high-resolution vibronic absorption and Electronic Circular Dichroism (ECD) spectra of R-(+)-1-Phenyl-Ethanol have been computed and compared to experimental spectra measured in jet-cooled conditions in the region within 1000 cm-1 from the 0-0 transition. The agreement between theory and computation is fairly good and allows a confident assignment of several experimental bands in terms of fundamentals of different modes...
December 14, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29238447/telerehabilitation-feasibility-in-total-joint-replacement
#11
Mark J Nelson, Kay M Crossley, Michael G Bourke, Trevor G Russell
Despite documented benefits, many Total Joint Replacement (TJR) patients find it difficult to access rehabilitation following discharge from hospital. One solution to improve access for TJR patients is telerehabilitation. This study aimed to assess the feasibility of introducing a telerehabilitation program for TJR patients. TJR patients at QEII Jubilee Hospital were invited to complete a questionnaire regarding their access, feelings towards and preferences in using technology. Seventy-five patients were recruited...
2017: International Journal of Telerehabilitation
https://www.readbyqxmd.com/read/29234352/assessment-of-osteoporosis-in-injured-older-women-admitted-to-a-safety-net-level-one-trauma-center-a-unique-opportunity-to-fulfill-an-unmet-need
#12
Elisabeth S Young, May J Reed, Tam N Pham, Joel A Gross, Lisa A Taitsman, Stephen J Kaplan
Background: Older trauma patients often undergo computed tomography (CT) as part of the initial work-up. CT imaging can also be used opportunistically to measure bone density and assess osteoporosis. Methods: In this retrospective cohort study, osteoporosis was ascertained from admission CT scans in women aged ≥65 admitted to the ICU for traumatic injury during a 3-year period at a single, safety-net, level 1 trauma center. Osteoporosis was defined by established CT-based criteria of average L1 vertebral body Hounsfield units <110...
2017: Current Gerontology and Geriatrics Research
https://www.readbyqxmd.com/read/29212745/factors-associated-with-focal-computed-tomographic-perfusion-abnormalities-in-supratentorial-transient-ischemic-attacks
#13
Ivo A Meyer, Carlo W Cereda, Pamela N Correia, Jean-Baptiste Zerlauth, Francesco Puccinelli, David C Rotzinger, Michael Amiguet, Philippe Maeder, Reto A Meuli, Patrik Michel
BACKGROUND AND PURPOSE: Computed tomographic perfusion (CTP) is useful in diagnosis of patients with transient focal neurological symptoms. In acute imaging of patients with a suspected transient ischemic attack (TIA), it remains unclear which patients develop focal perfusion abnormalities (FPA), that is, hypoperfusion or hyperperfusion. We aimed at determining independent factors associated with FPA in patients with supratentorial TIAs. METHODS: We prospectively collected consecutive patients with supratentorial TIAs defined by the traditional time-based definition who underwent CTP within 24 hours of symptom onset...
December 6, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29205485/combination-of-increased-visceral-fat-and-long-segment-involvement-development-and-validation-of-an-updated-imaging-marker-for-differentiating-crohn-s-disease-from-intestinal-tuberculosis
#14
Saurabh Kedia, K S Madhusudhan, Raju Sharma, Sawan Bopanna, Dawesh P Yadav, Sandeep Goyal, Saransh Jain, Prasenjit Das, Siddhartha Dattagupta, Govind Makharia, Vineet Ahuja
BACKGROUND: Computed tomographic(CT) features(long segment, ileocaecal area involvement and lymph nodes>1cm) have demonstrated good specificity but poor sensitivity, while visceral to subcutaneous fat ratio on CT(VF/SC>0.63) has moderate sensitivity and specificity in differentiating Crohn's disease(CD) and intestinal tuberculosis(ITB). AIM: To develop and validate an updated model incorporating CT features and VF/SC to improve the diagnostic accuracy of imaging in differentiating CD/ITB...
December 4, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29197311/radiologists-recommendations-for-additional-imaging-on-inpatient-ct-studies-do-referring-physicians-follow-them
#15
Owen Hanley, Amir Lotfi, Tiara Sanborn, Jennifer L Friderici, Janice Fitzgerald, Poornima Manikantan, Linda Canty, Mihaela S Stefan
OBJECTIVES: Studies have found that recommendations for additional imaging (RAI) accompany up to 31% of index computed tomography (CT) scans. In this study we assessed the frequency with which recommendations are accepted by the referring physician and the impact of AI on case management. METHODS: We performed a cross-sectional study of all index CT scans of the chest, abdomen, and pelvis performed on adult inpatients during a 1-month period at a tertiary medical center...
December 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/29186321/mapping-free-variant-calling-using-haplotype-reconstruction-from-k-mer-frequencies
#16
Peter Audano, Shashidhar Ravishankar, Fredrik Vannberg
Motivation: The standard protocol for detecting variation in DNA is to map millions of short sequence reads to a known reference and find loci that differ. While this approach works well, it cannot be applied where the sample contains dense variants or is too distant from known references. De novo assembly or hybrid methods can recover genomic variation, but the cost of computation is often much higher. We developed a novel k-mer algorithm and software implementation, Kestrel, capable of characterizing densely-packed SNPs and large indels without mapping, assembly, or de Bruijn graphs...
November 24, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29185241/quality-indicators-of-colorectal-cancer-care-in-southern-switzerland-results-from-a-population-based-study
#17
Alessandra Spitale, Laura Ortelli, Luca Mazzucchelli, Andrea Bordoni
AIM OF THE STUDY: Assessing the quality of cancer care (QoCC) has become increasingly relevant to providers, regulators and purchasers of healthcare worldwide. The aim of this study was to assess adherence to validated quality indicators (QIs) for colorectal cancer (CRC) in a population-based setting, and to compare results with the available literature. METHODS: All colorectal cancers diagnosed between 1 January 2011 and 31 December 2012 were identified from the files of the population-based Ticino Cancer Registry, southern Switzerland...
November 29, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29170700/the-effect-of-a-single-bout-of-surfing-on-exercise-induced-affect
#18
Ryan Pittsinger, Jeff Kress, Jill Crussemeyer
Exercise-induced affect (EIA) has been well documented and is often composed of positive affect, negative affect, tranquility, and fatigue. Research on EIA has focused on mainstream sports such as running, walking, or cycling; however, no research has evaluated the influence of action sports participation in activities such surfing on EIA. The current study examined the effect of a single 30-min surfing bout on EIA in 107 adult volunteers. An additional purpose was if change in affect was similar based on surfing history, surfing frequency, and surfing skill level...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29168946/using-an-electronic-assessment-system-for-nursing-students-on-placements
#19
Julie Smith, Walter Cambers
Electronic assessment is gaining popularity in clinically based elements of pre-registration nurse education. In this study, the authors explored student nurse and mentor experiences during transition from a paper to an electronic system. Mixed research methods used included survey questionnaires and focus groups. Student nurses and their mentors (both n=5) discussed and rated their confidence and skills in information technology and their experience of an electronic assessment document before and after two successive clinical placements...
November 23, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29166623/anticancer-potential-of-zno-nanoparticle-ferulic-acid-conjugate-on-huh-7-and-hepg2-cells-and-diethyl-nitrosamine-induced-hepatocellular-cancer-on-wistar-albino-rat
#20
E Preedia Babu, A Subastri, A Suyavaran, S Nithyananthan, M Suresh Kumar, K Premkumar, R Bharathidasan, C Thirunavukkarasu
Drawbacks and limitations of recently available therapies to hepatocellular cancer (HCC) devoted the scientist to focus on emerging new strategies. ZnO nanoparticles (ZnONPs) based chemotherapeutics has been emanating as a promising approach to maximize therapeutic synergy facilitating the discovery of novel multitargeted combinations. In the present study we conjugated ZnONPs with ferulic acid (ZnONPs-FAC) characterized by computational, spectroscopic and microscopic techniques. In vitro anticancer potential has been evaluated by assessing cell viability, morphology, ROS generation, mitochondrial membrane permeability, comet assay, immunofluorescent staining of 8-OHdG, Ki67 and γ-H2AX, cell cycle analysis and western blot analysis and in vivo anticancer potential against DEN induced HCC was analyzed by histopathological and immunohistochemical methods...
November 19, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
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