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https://www.readbyqxmd.com/read/28326427/posterior-stabilized-total-knee-arthroplasty-a-matched-pair-analysis-of-a-classic-and-its-evolutional-design
#1
Pier Francesco Indelli, Gennaro Pipino, Paul Johnson, Angelo Graceffa, Massimiliano Marcucci
BACKGROUND: Total knee arthroplasty (TKA) designs continue to be modified to optimize patient's outcome. This study was designed to compare clinical and radiological results of classic worldwide used TKA posterior-stabilized (PS) design to those of its recent evolution. METHODS: A consecutive group of 100 patients undergoing TKA using a classic cemented fixed-bearing PS TKA system was matched by age, gender, body max index to 100 patients having the newer cemented fixed-bearing PS design, both by the same manufacturer...
December 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28326347/the-insufficiencies-of-risk-analysis-of-impending-pathological-fractures-in-patients-with-femoral-metastases-a-literature-review
#2
Emir Benca, Janina M Patsch, Winfried Mayr, Dieter H Pahr, Reinhard Windhager
PURPOSE: Pathologic fractures in patients with bone metastases are a common problem in clinical orthopaedic routine. On one hand recognition of metastatic lesions, which are at a high risk of fracture, is essential for timely prophylactic fixation, while on the other hand patients with a low risk of pathologic fractures should be spared from overtreatment. The purpose of this review is to identify all methods for fracture risk evaluation in patients with femoral metastases in the literature and to evaluate their predictive values in clinical applications...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28326035/hippocampal-and-amygdala-gray-matter-loss-in-elderly-controls-with-subtle-cognitive-decline
#3
Davide Zanchi, Panteleimon Giannakopoulos, Stefan Borgwardt, Cristelle Rodriguez, Sven Haller
In contrast to the idea that hippocampal and amygdala volume loss occur in late phases of neurodegeneration, recent contributions point to the relevance of preexisting structural deficits that are associated with aging and are independent of amyloid deposition in preclinical Alzheimer disease cases. The present work explores GM hippocampal and amygdala volumes in elderly controls displaying the first signs of cognitive decline. 455 subjects (263 females), including 374 controls (228 females) and 81 middle cognitive impairment subjects (35 females), underwent two neuropsychological evaluations (baseline and 18 months follow-up) and a MRI-T1 examination (only baseline)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28325693/surgical-technique-and-clinical-outcomes-of-retrograde-osteochondral-autograft-transfer-for-osteochondral-lesions-of-the-tibial-plateau
#4
Hiromitsu Yabumoto, Yasuaki Nakagawa, Shogo Mukai, Takahiko Saji, Takashi Nakamura
PURPOSE: To present the surgical technique, clinical outcomes, and poor prognostic factors of arthroscopic retrograde osteochondral autograft transfer of the tibial plateau. METHODS: Twelve patients (6 men, 6 women; mean age, 38.7 years) with tibial plateau osteochondral lesions underwent surgery. The primary diseases were osteonecrosis in 4 cases, cartilage injuries in 6, and postfractures of the tibial plateau in 2. Clinical outcomes were evaluated preoperatively and postoperatively according to the International Knee Documentation Committee score and the Japanese Orthopaedic Association score...
March 18, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28325425/treatment-of-scaphotrapeziotrapezoid-osteoarthritis-with-the-pyrocardan-%C3%A2-implant-results-with-a-minimum-follow-up-of-2-years
#5
E Gauthier, M-V Truffandier, E Gaisne, P Bellemère
The aim of this study was to report the results of arthroplasty using a mobile pyrocarbon implant (Pyrocardan(®)) for isolated scaphotrapeziotrapezoid (STT) osteoarthritis. The hypothesis was that this arthroplasty leads to functional improvement without carpal instability. Twenty patients (22 implants) were included with a minimum follow-up of 2 years and an average age of 59.6 years. Outcome criteria were pain (VAS scale), QuickDASH and PRWE scores, strength (grip and pinch), wrist mobility, the Kapandji index, carpal height and the capitolunar angle measured on X-rays...
April 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28321419/pvaxhsp65-vaccination-primes-for-high-il-10-production-and-decreases-experimental-encephalomyelitis-severity
#6
Sofia Fernanda Gonçalves Zorzella-Pezavento, Fernanda Chiuso-Minicucci, Thais Graziela Donegá França, Larissa Lumi Watanabe Ishikawa, Larissa Camargo da Rosa, Priscila Maria Colavite, Bianca Balbino, Camila Marques, Maura Rosane Valerio Ikoma, Ana Paula Masson, Célio Lopes Silva, Alexandrina Sartori
Experimental autoimmune encephalomyelitis (EAE) is a demyelinating pathology of the central nervous system (CNS) used as a model to study multiple sclerosis immunopathology. EAE has also been extensively employed to evaluate potentially therapeutic schemes. Considering the presence of an immune response directed to heat shock proteins (hsps) in autoimmune diseases and the immunoregulatory potential of these molecules, we evaluated the effect of a previous immunization with a genetic vaccine containing the mycobacterial hsp65 gene on EAE development...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28320636/the-significance-of-equivocal-exercise-treadmill-ecg-for-intermediate-risk-chest-pain-assessment-insight-from-coronary-ct-angiography-data
#7
Gary T E Lau, Henry Wei, Jo Wickham, Andrew C Y To
BACKGROUND: Exercise treadmill test (ETT) is commonly the first-line investigation in troponin-negative chest pain patients. Inconclusive results are common and often lead to repeated functional testings. Coronary computed tomographic angiography (CCTA) has excellent negative predictive value for coronary artery disease detection and may play an important role in their diagnostic workup. We aim to analyse ETT and CCTA findings to understand their modern roles in intermediate risk chest pain population with inconclusive ETT...
March 1, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28320569/a-new-method-to-predict-hospital-mortality-in-severe-community-acquired-pneumonia
#8
Xin Wang, Jianlong Jiao, Rongwei Wei, Yongli Feng, Xiuqin Ma, Yuan Li, Yue Du
BACKGROUND & AIMS: The aim of this study is to develop a new method that is able to accurately predict the 28day hospital mortality in patients with severe community acquired pneumonia (SCAP) at an early stage. METHODS: We selected 37,348 SCAP patients in ICU from 173 hospitals during 2011.1-2013.12. The predictive factors for 28day hospital mortality were evaluated retrospectively. All cases underwent intensive care, blood routine, blood biochemical tests and arterial blood gas analysis...
March 17, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28320165/hla-genotype-as-a-marker-of-multiple-sclerosis-prognosis-a-pilot-study
#9
Andreas P Lysandropoulos, Nicolas Mavroudakis, Massimo Pandolfo, Kaoutar El Hafsi, Wim van Hecke, Anke Maertens, Thibo Billiet, Annemie Ribbens
OBJECTIVE: The identification of a biomarker with prognostic value is an unmet need in multiple sclerosis (MS). The objective of this study was to investigate a possible association of HLA genotype with disease status and progression in MS, based on comprehensive and sensitive clinical and magnetic resonance imaging (MRI) parameters to measure disease effects. METHOD: A total of 118 MS patients (79 females, 39 males) underwent HLA typing. Patient MS status was assessed at two time points in a 2-year interval, based on clinical scores (including EDSS, MSSS, T25FW, 9-HPT, SDMT, BVMT, CVLT-II) and MRI evaluations...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318741/neonatal-magnetic-resonance-imaging-without-sedation-correlates-with-injury-severity-in-brachial-plexus-birth-palsy
#10
Andrea S Bauer, Peter Y Shen, Anna E Nidecker, Paul S Lee, Michelle A James
PURPOSE: Which infants with brachial plexus birth palsy (BPBP) should undergo microsurgical plexus reconstruction remains controversial. The current gold standard for the decision for plexus reconstruction is serial clinical examinations, but this approach obviates the possibility of early surgical treatment. We hypothesize that a new technique using 3-dimensional volumetric proton density magnetic resonance imaging (MRI) without sedation can evaluate the severity of BPBP injury earlier than serial clinical examinations...
March 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28318600/strangulated-small-bowel-obstruction-in-children
#11
Yi-Jung Chang, Dah-Chin Yan, Jin-Yao Lai, Hsun-Chin Chao, Chyi-Liang Chen, Shih-Yen Chen, Ming-Han Tsai
BACKGROUND: Diagnosing intestinal strangulation as a complication of small bowel obstruction (SBO) remains a considerable challenge in children. We evaluated the clinicoradiological parameters for predicting the presence of a strangulated intestine. METHODS: We reviewed the medical records of 69 pediatric patients who underwent operation for acute SBO. Regression analysis was used to identify the parameters for predicting strangulated SBO. RESULTS: Of the 69 patients with SBO, 27 patients had intestinal strangulation and were awarded one point each towards the overall clinical score: intractable continuous abdominal pain, tachycardia, white blood cell count >13,600/mm(3), and abdominal distention...
March 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28316569/longitudinal-analysis-for-disease-progression-via-simultaneous-multi-relational-temporal-fused-learning
#12
Baiying Lei, Feng Jiang, Siping Chen, Dong Ni, Tianfu Wang
It is highly desirable to predict the progression of Alzheimer's disease (AD) of patients [e.g., to predict conversion of mild cognitive impairment (MCI) to AD], especially longitudinal prediction of AD is important for its early diagnosis. Currently, most existing methods predict different clinical scores using different models, or separately predict multiple scores at different future time points. Such approaches prevent coordinated learning of multiple predictions that can be used to jointly predict clinical scores at multiple future time points...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28304194/out-of-hospital-cardiac-arrest-survivors-sent-for-emergency-angiography-a-clinical-score-for-predicting-acute-myocardial-infarction
#13
Floriane Zeyons, Laurence Jesel, Olivier Morel, Hélène Kremer, Nathan Messas, Sebastien Hess, Ulun Crimizade, Philippe Reydel, Laurent Tritsch, Patrick Ohlmann
BACKGROUND: Out-of-hospital cardiac arrest (OHCA) remains a major public health issue. Emergency coronary angiography and percutaneous coronary intervention might improve survival, especially when cardiac arrest is caused by acute myocardial infarction (AMI). However, identifying patients with AMI after OHCA remains challenging. The aim of this study was to determine the clinical and ECG criteria in OHCA that may help to identify better the patients with AMI. METHODS: Consecutive OHCA patients who underwent emergency coronary angiography in our centre between 2009 and 2013 were included in this retrospective single-centre observational study...
March 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28303384/spinopelvic-parameter-changes-and-low-back-pain-improvement-due-to-femoral-neck-anteversion-in-patients-with-severe-unilateral-primary-hip-osteoarthritis-undergoing-total-hip-replacement
#14
Andrea Piazzolla, Giuseppe Solarino, Davide Bizzoca, Viola Montemurro, Pedro Berjano, Claudio Lamartina, Biagio Moretti
PURPOSE: The study of the interrelation between hip and spine disorders is gaining increasing importance in the last years, but the link between Hip Osteoarthritis (HOA) and Low Back Pain (LBP) remains still unclear. Aim of the study is to assess the relationship between Femoral Neck Anteversion (FNA), LBP, and spinopelvic parameters in patients undergoing Total Hip Replacement (THR) for unilateral severe primary HOA. MATERIALS AND METHODS: 91 patients were recruited...
March 16, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28297729/the-role-of-abo-blood-type-in-thrombosis-scoring-systems
#15
Massimo Franchini, Giuseppe Marano, Stefania Vaglio, Liviana Catalano, Simonetta Pupella, Giancarlo Maria Liumbruno
In addition to their major role in transfusion medicine, there is increasing evidence that ABO blood group antigens (complex carbohydrate molecules widely expressed on the surface of red blood cells and several other cell types) are implicated in the development of a wide array of pathologic conditions. In particular, intense research has been dedicated over the last 50 years to the study of the association between non-O blood type and the risk of developing cardiovascular disorders. Several pathways have been hypothesized to explain this relationship, the most reasonable implying the influence of the ABO blood group on circulating plasma levels of von Willebrand factor, factor VIII, and several inflammatory cytokines...
March 15, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28295043/chlorin-e6-mediated-photodynamic-inactivation-for-multidrug-resistant-pseudomonas-aeruginosa-keratitis-in-mice-in-vivo
#16
Ming-Feng Wu, Mona Deichelbohrer, Thomas Tschernig, Matthias W Laschke, Nóra Szentmáry, Dirk Hüttenberger, Hans-Jochen Foth, Berthold Seitz, Markus Bischoff
Following corneal epithelium scratches, mouse corneas were infected with the multidrug resistant (MDR) P. aeruginosa strain PA54. 24 hours later, 0% (for control group), 0.01%, 0.05% or 0.1% Chlorin e6 (Ce6), a second generation photosensitizer derived from chlorophyll, was combined with red light, for photodynamic inactivation (PDI). 1 hour or 2 days later, entire mouse eyes were enucleated and homogenized for counting colony forming units (CFU) of P. aeruginosa. For comparison, 0.1% Ce6 mediated PDI was started at 12 hours post infection, and 0...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293701/diffusion-tensor-imaging-as-a-prognostic-biomarker-for-motor-recovery-and-rehabilitation-after-stroke
#17
REVIEW
Josep Puig, Gerard Blasco, Gottfried Schlaug, Cathy M Stinear, Pepus Daunis-I-Estadella, Carles Biarnes, Jaume Figueras, Joaquín Serena, Maria Hernández-Pérez, Angel Alberich-Bayarri, Mar Castellanos, David S Liebeskind, Andrew M Demchuk, Bijoy K Menon, Götz Thomalla, Kambiz Nael, Max Wintermark, Salvador Pedraza
PURPOSE: Despite improved acute treatment and new tools to facilitate recovery, most patients have motor deficits after stroke, often causing disability. However, motor impairment varies considerably among patients, and recovery in the acute/subacute phase is difficult to predict using clinical measures alone, particularly in severely impaired patients. Accurate early prediction of recovery would help rationalize rehabilitation goals and improve the design of trials testing strategies to facilitate recovery...
March 14, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28291242/mining-outcome-relevant-brain-imaging-genetic-associations-via-three-way-sparse-canonical-correlation-analysis-in-alzheimer-s-disease
#18
Xiaoke Hao, Chanxiu Li, Lei Du, Xiaohui Yao, Jingwen Yan, Shannon L Risacher, Andrew J Saykin, Li Shen, Daoqiang Zhang
Neuroimaging genetics is an emerging field that aims to identify the associations between genetic variants (e.g., single nucleotide polymorphisms (SNPs)) and quantitative traits (QTs) such as brain imaging phenotypes. In recent studies, in order to detect complex multi-SNP-multi-QT associations, bi-multivariate techniques such as various structured sparse canonical correlation analysis (SCCA) algorithms have been proposed and used in imaging genetics studies. However, associations between genetic markers and imaging QTs identified by existing bi-multivariate methods may not be all disease specific...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28290517/sensitivity-to-oxazolone-induced-dermatitis-is-transferable-with-gut-microbiota-in-mice
#19
Line Fisker Zachariassen, Lukasz Krych, Kåre Engkilde, Dennis Sandris Nielsen, Witold Kot, Camilla Hartmann Friis Hansen, Axel Kornerup Hansen
Atopic Dermatitis (AD) has been associated with gut microbiota (GM) dysbiosis in humans, indicating a causative role of GM in AD etiology. Furthermore, the GM strongly correlates to essential disease parameters in the well-known oxazolone-induced mouse model of AD. Here, we demonstrate that it is possible to transfer both a high-responding and a low-responding AD phenotype with GM from conventional mice to germ-free mice. The mice inoculated with the high-responding GM had significantly higher clinical score, increased ear thickness, and increased levels of IL-1β, TNFα, IL-4, IL-5, and IL-6 compared to the mice inoculated with the low-responding GM...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28288964/il-38-overexpression-induces-anti-inflammatory-effects-in-mice-arthritis-models-and-in-human-macrophages-in-vitro
#20
Marie-Astrid Boutet, Aurélie Najm, Géraldine Bart, Régis Brion, Sophie Touchais, Valérie Trichet, Pierre Layrolle, Cem Gabay, Gaby Palmer, Frédéric Blanchard, Benoit Le Goff
OBJECTIVES: Interleukin (IL)-38 is a newly characterised cytokine that belongs to the IL-1 family. This cytokine is expressed in the rheumatoid arthritis (RA) synovial tissue and IL-38 deficient mice have exacerbated arthritis. Here, we analysed the effect of IL-38 overexpression in the joints of arthritic mice, in human macrophages and synovial fibroblasts in vitro. METHODS: Articular injections of an adeno-associated virus (AAV) 2/8 encoding IL-38 were performed in collagen-induced arthritis (CIA), K/BxN serum transfer-induced arthritis (STIA) and antigen-induced arthritis (AIA) in mice...
March 13, 2017: Annals of the Rheumatic Diseases
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