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https://www.readbyqxmd.com/read/28934538/predictability-of-early-postoperative-ultrasonography-after-arthroscopic-rotator-cuff-repair
#1
Joo Han Oh, Joon Yub Kim, Sae Hoon Kim, Nam Yun Chung
The predictability of early postoperative ultrasonography (USG) for evaluating the structural integrity of repaired rotator cuffs is still unclear. The aim of this study was to compare the predictability of early USG performed 3 and 6 months postoperatively with magnetic resonance imaging (MRI) performed 1 year after arthroscopic cuff repair for structural failure. Among 213 patients who had arthroscopic rotator cuff surgery in 2013, one hundred thirty-eight patients who underwent USG between 3 and 6 months postoperatively and MRI at 1 year postoperatively were enrolled; the postoperative MRI findings were the reference standard used for the comparison...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28934308/devices-and-tasks-involved-in-the-objective-assessment-of-standing-dynamic-balancing-a-systematic-literature-review
#2
Bálint Petró, Alexandra Papachatzopoulou, Rita M Kiss
BACKGROUND: Static balancing assessment is often complemented with dynamic balancing tasks. Numerous dynamic balancing assessment methods have been developed in recent decades with their corresponding balancing devices and tasks. OBJECTIVE: The aim of this systematic literature review is to identify and categorize existing objective methods of standing dynamic balancing ability assessment with an emphasis on the balancing devices and tasks being used. DATA SOURCES: Three major scientific literature databases (Science Direct, Web of Science, PLoS ONE) and additional sources were used...
2017: PloS One
https://www.readbyqxmd.com/read/28933605/early-active-rehabilitation-after-arthroscopic-rotator-cuff-repair-a-prospective-randomized-pilot-study
#3
Rudolf Raschhofer, Nikos Poulios, Wolfgang Schimetta, Rüdiger Kisling, Christian Mittermaier
OBJECTIVE: To compare two different rehabilitation strategies, primary passive motion versus early isometric loading of the rotator cuff. DESIGN: Prospective randomized controlled observer-blinded pilot study. SETTING: Institute of Physical Medicine and Rehabilitation. SUBJECTS: Thirty patients after rotator cuff surgery. INTERVENTION: All participants were randomly assigned to one of the two outpatient treatment groups: primary passive motion versus early isometric loading of the rotator cuff...
October 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28933508/-skills-lab-training-in-veterinary-medicine-effective-preparation-for-clinical-work-at-the-small-animal-clinic-of-the-university-for-veterinary-medicine-hannover-foundation-effektive-vorbereitung-auf-die-klinische-t%C3%A3-tigkeit-am-beispiel-der-kleintierklinik
#4
Simon Engelskirchen, Jan Ehlers, Ansgar T Kirk, Andrea Tipold, Marc Dilly
OBJECTIVE: During five and a half years of studying veterinary medicine, students should in addition to theoretical knowledge acquire sufficient practical skills. Considering animal welfare and ethical aspects, opportunities for hands-on learning on living animals are limited because of the high annual number of students. The first German veterinary clinical-skills lab, established in 2013 at the University for Veterinary Medicine Hannover, Foundation (TiHo), offers opportunities for all students to learn, train and repeat clinical skills on simulators and models as frequently as they would like, until they feel sufficiently confident to transfer these skills to living animals...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28933430/a-binary-main-belt-comet
#5
Jessica Agarwal, David Jewitt, Max Mutchler, Harold Weaver, Stephen Larson
Asteroids are primitive Solar System bodies that evolve both collisionally and through disruptions arising from rapid rotation. These processes can lead to the formation of binary asteroids and to the release of dust, both directly and, in some cases, through uncovering frozen volatiles. In a subset of the asteroids called main-belt comets, the sublimation of excavated volatiles causes transient comet-like activity. Torques exerted by sublimation measurably influence the spin rates of active comets and might lead to the splitting of bilobate comet nuclei...
September 20, 2017: Nature
https://www.readbyqxmd.com/read/28933329/-mid-term-to-long-term-results-of-revision-total-hip-arthroplasty-using-the-oval-shaped-acetabular-cup-tc-type
#6
E Šťastný, T Trč, J Frýdl, Z Kopečný, T Philippou, J Lisý
INTRODUCTION The purpose of our paper is to evaluate the mid-term to long-term results and to confirm the basic criteria of a high-quality revision implant: safe bridging of bone defects, achievement of reliable primary fixation of revision acetabular cup, achievement of good secondary stability with documentable osteointegration of cup and demonstration of remodelling of transplanted bone tissue in the area of defects and in spaces between the implant ribs. MATERIAL AND METHODS Altogether 36 patients (38 cups) were evaluated who had undergone revision hip arthroplasty in the period from 2004 to 2010...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28933043/quantifying-the-effect-of-uncertainty-in-input-parameters-in-a-simplified-bidomain-model-of-partial-thickness-ischaemia
#7
Barbara M Johnston, Sam Coveney, Eugene T Y Chang, Peter R Johnston, Richard H Clayton
Reduced blood flow in the coronary arteries can lead to damaged heart tissue (myocardial ischaemia). Although one method for detecting myocardial ischaemia involves changes in the ST segment of the electrocardiogram, the relationship between these changes and subendocardial ischaemia is not fully understood. In this study, we modelled ST-segment epicardial potentials in a slab model of cardiac ventricular tissue, with a central ischaemic region, using the bidomain model, which considers conduction longitudinal, transverse and normal to the cardiac fibres...
September 20, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28932971/the-correlation-of-supraspinatus-outlet-view-with-computed-tomography-for-visualization-of-the-anterior-acromial-undersurface
#8
Viktor Feldman, Niv Marom, Meir Nyska, Eugene Kotz, Jonathan E J Koh, Vidal Barchilon
INTRODUCTION: Understanding the real shape of the undersurface of the acromion prior to acromioplasty is indispensable. Today, Supraspinatus outlet view (SSOV) is a standard view used to determine the shape of the anterior acromion. Three types of acromial undersurface were described by Bigliani and Morrison. The purpose of this study was to find out whether the real acromial type can be visualized on X-ray SSOV and compare the shape of the anterior undersurface of the acromion visualized on SSOV, with the shape revealed on 2D CT reconstructions...
September 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28932752/local-rhbmp-12-on-an-absorbable-collagen-sponge-as-an-adjuvant-therapy-for-rotator-cuff-repair-a-phase-1-randomized-standard-of-care-control-multicenter-study-part-2-a-pilot-study-of-functional-recovery-and-structural-outcomes
#9
Junji Ide, Yu Mochizuki, Arthur van Noort, Hiroshi Ochi, Sudhakar Sridharan, Eiji Itoi, Stefan Greiner
BACKGROUND: The high failure rate of rotator cuff repairs requires the development of methods to enhance healing at the tendon-bone junction of the repair site. PURPOSE: To assess functional recovery and structural outcomes in detail after implanting recombinant human bone morphogenetic protein-12 (rhBMP-12)/absorbable collagen sponge (ACS) as adjuvant treatment during open rotator cuff repair in patients over a 1-year postoperative follow-up. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28932661/switching-between-phosphorescence-and-fluorescence-controlled-by-chiral-self-assembly
#10
REVIEW
Guofeng Liu, Yanli Zhao
Helical self-assembly plays a unique role in regulating the localized excitations of π functional systems, which can also bring highly multi-scale orders, and show a special effect to tune the energy of electronics, vibration, and rotation of molecules. Due to controllable and dynamic property of chiral self-assembly, highly ordered and helical assemblies can be obtained to exhibit amplification effect and fascinating photophysical properties in photoluminescence. However, an effective control of singlet-triplet emissive switching in a unimolecular platform remains a great challenge...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28932486/-on-track-and-off-track-shoulder-lesions
#11
REVIEW
E Itoi
Shoulder stability depends on the position of the arm as well as activities of the muscles around the shoulder. The capsulo-ligamentous structures are the main stabilisers with the arm at the end-range of movement, whereas negative intra-articular pressure and concavity-compression effect are the main stabilisers with the arm in the mid-range of movement.There are two types of glenoid bone loss: fragment type and erosion type. A bone loss of the humeral head, known as a Hill-Sachs lesion (HSL), is a compression fracture of the humeral head caused by the anterior rim of the glenoid when the humeral head is dislocated anteriorly in front of the glenoid...
August 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28932482/crystal-structure-of-4-amino-3-thio-phen-3-ylmeth-yl-1h-1-2-4-triazole-5-4h-thione
#12
Trung Vu Quoc, Linh Nguyen Ngoc, Vy Do Truc, Linh Duong Khanh, Hung Ha Manh, Chien Thang Pham, Luc Van Meervelt
In the title compound, C7H8N4S2, the thio-phene ring shows rotational disorder over two orientations in a 0.6957 (15):0.3043 (15) ratio. The plane of the 1,2,4-triazole ring makes a dihedral angle of 75.02 (17)° with the major-disorder component of the thiophene ring. In the crystal, two types of inversion dimers, described by the graph-set motifs R2(2)(8) and R2(2)(10), are formed by N-H⋯S inter-actions. Chains of mol-ecules running in the [101] direction are linked by weaker N-H⋯N inter-actions...
September 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28932472/crystal-structure-and-hirshfeld-surface-analysis-of-aqua-bis-nicotinamide-%C3%AE%C2%BAn-1-bis-2-4-6-tri-methyl-benzoato-%C3%AE%C2%BAo-zinc
#13
Tuncer Hökelek, Gülçin Şefiye Aşkın, Safiye Özkaya, Hacali Necefoğlu
The asymmetric unit of the title complex, [Zn(C10H11O2)2(C6H6N2O)2(H2O)], contains one half of the complex mol-ecule, and the Zn(II) cation and the water O atom lie on a twofold rotation axis. The Zn(II) cation is coordinated by two carboxyl-ate O atoms of the two symmetry-related 2,4,6-tri-methyl-benzoate (TMB) anions and by the water O atom at distances of 2.0311 (16) and 2.076 (2) Å to form a slightly distorted trigonal-planar arrangement, while the distorted trigonal-bipyramidal coordination sphere is completed by the two pyridine N atoms of the two symmetry-related monodentate nicotinamide (NA) ligands at distances of 2...
September 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28932469/ethyl-2-amino-1-4-fluoro-phen-yl-5-oxo-4-5-di-hydro-1h-pyrrole-3-carboxyl-ate-crystal-structure-and-hirshfeld-surface-analysis
#14
U H Patel, Chintan Jotaniya, D A Shah, Bhavesh Socha
In the title mol-ecule, C12H13FN2O3, the central pyrrole ring makes a dihedral angle of 9.2 (3)° with the eth-oxy carbonyl moiety whereas the fluoro-phenyl ring is rotated by 67.6 (2)° from the pyrrole ring. Supra-molecular aggregation is due to off-centric π-π stacking inter-actions involving screw-related pairs of mol-ecules, which are further connected by N-H⋯O and C-H⋯O inter-actions, forming a sinusoidal pattern along the [001] direction on the bc plane. Three-dimensional Hirshfeld surface analysis and two-dimensional fingerprint plots confirm the contributions of these inter-actions...
September 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28932451/crystal-structure-of-3-5-dimethyl-1h-pyrrol-2-yl-di-phenyl-phosphine-oxide
#15
Sung Kwon Kang, Eung Man Choi, Kyung-Sun Son
The title compound, C18H18NOP, was obtained during a search for new P,N-containing ligands with the potential to generate precatalysts with chromium(III) for selective ethyl-ene oligomerization. In the crystal, mutual pairs of N-H⋯O=P hydrogen bonds link two mol-ecules into a dimer with individual mol-ecules related by a twofold rotation axis. The P=O bond length of 1.4740 (15) Å is not elongated although the O atom is involved in hydrogen bonding. The crystal structure is further stabilized by van der Waals inter-actions between the dimers, linking the mol-ecules into a three-dimensional network structure...
July 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28932448/a-temperature-dependent-phase-transformation-of-e-2-4-chloro-phen-yl-imino-ace-naphthylen-1-one
#16
Lipiao Bao, Marilyn M Olmstead
The crystal structure determination based on 90 K data of the title imine ligand, C18H10ClNO, revealed non-merohedral twinning with three twin domains. In our experience, this is an indication of an ordering phase transition. Consequently, the structure was redetermined with higher temperature data, and a reversible phase transition was discovered. The higher temperature phase is indeed an ordered structure. At the higher temperature, the 4-chloro-phenyl group has rotated by ca 7° into a crystallographic mirror plane...
July 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28932332/juvenile-psammomatoid-ossifying-fibroma-jpof-of-proximal-radius-a-rare-entity
#17
Jagadish Prabhu, Veena Nagaraj, Iftikhar Ahmed Mukhtar
BACKGROUND: Juvenile psammomatoid ossifying fibroma (JPOF) is a rare fibro-osseous lesion that usually occurs in the facial bones. The pathognomonic histopathologic feature is the presence of spherical ossicles, which are similar to psammoma bodies. It is considered to be a unique lesion because of its reported tendency to occur in children and adolescents and its tendency for locally aggressive growth. Because this lesion is aggressive in nature with high recurrence rate, early detection and complete surgical excision are essential...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28932287/the-effectiveness-of-ultrasound-guided-hydrodistension-and-physiotherapy-in-the-treatment-of-frozen-shoulder-adhesive-capsulitis-in-primary-care-a-single-centre-service-evaluation
#18
Michael Bryant, Andrew Gough, James Selfe, Jim Richards, Elizabeth Burgess
BACKGROUND: Evidence for optimal non-operative treatment of frozen shoulder is lacking. The present study aimed to evaluate a treatment strategy for stage II to III frozen shoulder provided by the current primary care musculoskeletal service. METHODS: General practioner referrals of shoulder pain to the musculoskeletal service diagnosed with stage II to III frozen shoulder and who opted for a treatment strategy of hydrodistension and guided physiotherapy exercise programme over a 12-month period were evaluated for 6 months...
October 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28932281/shoulder-specific-outcomes-1-year-after-nontraumatic-full-thickness-rotator-cuff-repair-a-systematic-literature-review-and-meta-analysis
#19
REVIEW
Navin Gurnani, Derek F P van Deurzen, Michel P J van den Bekerom
BACKGROUND: Nontraumatic full-thickness rotator cuff tears are commonly initially treated conservatively. If conservative treatment fails, rotator cuff repair is a viable subsequent option. The objective of the present meta-analysis is to evaluate the shoulder-specific outcomes one year after arthroscopic or mini-open rotator cuff repair of nontraumatic rotator cuff tears. METHODS: A literature search was conducted in PubMed and EMBASE within the period January 2000 to January 2017...
October 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28932280/assessment-of-cross-cultural-adaptations-of-patient-reported-shoulder-outcome-measures-in-spanish-a-systematic-review
#20
REVIEW
Sara Gómez-Valero, Fernando García-Pérez, Mariano Tomás Flórez-García, Juan Carlos Miangolarra-Page
BACKGROUND: The present study aimed to conduct a systematic review of self-administered shoulder-disability functional assessment questionnaires adapted to Spanish, analyzing the quality of the transcultural adaptation and the clinimetric properties of the new version. METHODS: A search of the main biomedical databases was conducted to locate Spanish shoulder function assessment scales. The authors reviewed the papers and considered whether the process of adaptation of the questionnaire had followed international recommendations, and whether its psychometric properties had been appropriately assessed...
October 2017: Shoulder & Elbow
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