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https://www.readbyqxmd.com/read/28314694/stress-ultrasound-in-baseball-players-with-ulnar-collateral-ligament-injuries-additional-value-for-predicting-rehabilitation-outcome
#1
Na Ra Kim, Sung Gyu Moon, Jin-Young Park, Jin Woo Choi, Kyung-Soo Oh
BACKGROUND: The purpose of this study was to evaluate the additional value of stress ultrasound (US) for predicting rehabilitation outcome in baseball players with ulnar collateral ligament (UCL) injury. METHODS: Stress US and magnetic resonance imaging (MRI) in 41 baseball players with UCL injury who received rehabilitation treatment for more than 6 weeks were retrospectively compared between the rehabilitation group (n = 23) and surgery group (n = 18)...
March 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28292199/high-resolution-mri-of-the-ulnar-and-radial-collateral-ligaments-of-the-wrist
#2
Taiki Nozaki, Wei Der Wu, Yasuhito Kaneko, Gregory Rafijah, Lily Yang, Dave Hitt, Hiroshi Yoshioka
Background Accurate diagnosis of injuries to the collateral ligaments of the wrist is technically challenging on MRI. Purpose To investigate usefulness of high-resolution two-dimensional (2D) and isotropic three-dimensional (3D) magnetic resonance imaging (MRI) for identifying and classifying the morphology of the ulnar and radial collateral ligaments (UCL and RCL) of the wrist. Material and Methods Thirty-seven participants were evaluated using 3T coronal 2D and isotropic 3D images by two radiologists independently...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28291267/a-win-win-nanoplatform-tio2-yb-ho-f-for-nir-light-induced-synergistic-therapy-and-imaging
#3
Jie Zhou, Pei Luo, Chong Sun, Lingchang Meng, Weiran Ye, Shanshan Chen, Bin Du
To avoid the defect of low energy transfer efficiency in core-shell UCNP-TiO2 NPs, doping rare earth into TiO2 and improving the photocatalytic activity of TiO2 itself under Vis-NIR light might be a more direct and efficient strategy for high (1)O2 production. Here, we designed a TiO2:Yb,Ho,F-β-CD@DTX/HA nanoplatform using TiO2:Yb,Ho,F as the core, β-CD as the drug carrier, hyaluronic acid (HA) as the capping agent and target, and then applied it for 808 nm induced photodynamic-chemotherapy and 980 nm upconversion fluorescence/MR imaging...
March 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/28278401/avoiding-tommy-john-surgery
#4
Brian J Rebolledo, Jeffrey R Dugas, Asheesh Bedi, Michael G Ciccotti, David W Altchek, Joshua S Dines
The number of ulnar collateral ligament (UCL) reconstructions being performed has risen sharply in recent years, most notably in the young amateur athlete. While successful outcomes have been reported with reconstruction, the surgery and the associated rehabilitation timeline may be difficult for the nonelite athlete to incur. Return-to-play expectations, along with level of competition, should help guide surgeons in exploring management options. While reconstruction remains a mainstay, focused research exploring nonreconstructive options has expanded...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28257557/m-2-doping-induced-simultaneous-phase-size-control-and-remarkable-enhanced-upconversion-luminescence-of-nalnf4-probes-for-optical-guided-tiny-tumor-diagnosis
#5
Youbin Li, Xiaolong Li, Zhenluan Xue, Mingyang Jiang, Songjun Zeng, Jianhua Hao
Doping has played a vital role in constructing desirable hybrid materials with tunable functions and properties via incorporating atoms into host matrix. Herein, a simple strategy for simultaneously modifying the phase, size, and upconversion luminescence (UCL) properties of the NaLnF4 (Ln = Y, Yb) nanocrystals by high-temperature coprecipitation through nonequivalent M(2+) doping (M = Mg(2+) , Co(2+) ) has been demonstrated. The phase transformation from cubic to hexagonal is readily achieved by doping M(2+) ...
March 3, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28230083/lanthanide-doped-klu2f7-nanoparticles-with-high-upconversion-luminescence-performance-a-comparative-study-by-judd-ofelt-analysis-and-energy-transfer-mechanistic-investigation
#6
Dekang Xu, Anming Li, Lu Yao, Hao Lin, Shenghong Yang, Yueli Zhang
The development, design and the performance evaluation of rare-earth doped host materials is important for further optical investigation and industrial applications. Herein, we successfully fabricate KLu2F7 upconversion nanoparticles (UCNPs) through hydrothermal synthesis by controlling the fluorine-to-lanthanide-ion molar ratio. The structural and morphological results show that the samples are orthorhombic-phase hexagonal-prisms UCNPs, with average side length of 80 nm and average thickness of 110 nm...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28203598/treatment-of-ulnar-collateral-ligament-tears-of-the-elbow-is-repair-a-viable-option
#7
Brandon J Erickson, Bernard R Bach, Nikhil N Verma, Charles A Bush-Joseph, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament (UCL) tears have become common, and UCL reconstruction (UCLR) is currently the preferred surgical treatment method for treating UCL tears. PURPOSE/HYPOTHESIS: The purpose of this study was to review the literature surrounding UCL repair and determine the viability of new repair techniques for treatment of UCL tears. We hypothesized that UCL repair techniques will provide comparable results to UCLR for treatment of UCL tears...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28160922/relative-individual-workload-changes-may-be-a-risk-factor-for-rerupture-of-ulnar-collateral-ligament-reconstruction
#8
Robert A Keller, Nima Mehran, Lafi S Khalil, Christopher S Ahmad, Neal ElAttrache
BACKGROUND: With an increasing number of Major League Baseball (MLB) players undergoing ulnar collateral ligament (UCL) reconstruction, there remains limited literature on appropriate post-reconstruction workload management to limit the risk of reinjury. METHODS: A total of 28 MLB pitchers who underwent primary UCL reconstruction surgery and subsequently required revision reconstruction were identified and compared with 137 MLB pitchers who underwent primary reconstruction but did not later require revision surgery...
March 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28149731/modified-jobe-approach-with-docking-technique-for%C3%A2-ulnar-collateral-ligament-reconstruction
#9
Daniel J Kaplan, Sergio A Glait, William E Ryan, Laith M Jazrawi
The ulnar collateral ligament (UCL) of the elbow acts as the primary restraint to valgus force experienced in the late cocking and early acceleration phases of overhead throwing. If the UCL or dynamic flexor-pronator musculature is incompetent, elbow extension and valgus torque, as seen in throwing, can result in posteromedial impingement with subsequent chondromalacia and osteophyte formation. Before the first UCL reconstruction, performed by Frank Jobe in 1974, this injury was considered career ending in overhead athletes...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28135696/modification-on-upconversion-luminescence-of-er-3-yb-3-co-doped-biocl-semiconductor-nanosheets-through-interaction-between-nanohost-and-doping-lanthanide
#10
Zuyuan Xu, Yongjin Li, Yapai Song, Xiangzhou Zhang, Rui Hu, Jianbei Qiu, Zhengwen Yang, Zhiguo Song
We reported the upconversion luminescence (UCL) properties of Er(3+)-Yb(3+) co-doped BiOCl semiconductor nanosheets synthesized by hydrothermal method. Under 980nm excitation, the red and green UCL of Er(3+) ions were observed to be populated by a four and three-photon process in the case of absent or low concentration Yb(3+) dopant. However, an increase of Yb(3+) dopants show a completely opposite effect on the emission intensity of red and green one, accompanying with the change of upconverting process. It indicates that the red-shifting absorption edge of semiconductor and the super saturation UC processes involved with Yb(3+) and Er(3+) doping in BiOCl semiconductor nanosheets, respectively, are mainly responsible for the above UC phenomena...
April 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28118316/jan-lerut-md-phd-professor-emeritus-of-surgery-director-of-the-starzl-abdominal-transplant-unit-university-hospitals-saint-luc-and-ucl-transplant-centre-in-brussels-and-past-president-european-society-of-organ-transplantation-and-international-society-of-liver
#11
https://www.readbyqxmd.com/read/28110982/diagnostic-accuracy-of-multi-parametric-mri-and-trus-biopsy-in-prostate-cancer-promis-a-paired-validating-confirmatory-study
#12
Hashim U Ahmed, Ahmed El-Shater Bosaily, Louise C Brown, Rhian Gabe, Richard Kaplan, Mahesh K Parmar, Yolanda Collaco-Moraes, Katie Ward, Richard G Hindley, Alex Freeman, Alex P Kirkham, Robert Oldroyd, Chris Parker, Mark Emberton
BACKGROUND: Men with high serum prostate specific antigen usually undergo transrectal ultrasound-guided prostate biopsy (TRUS-biopsy). TRUS-biopsy can cause side-effects including bleeding, pain, and infection. Multi-parametric magnetic resonance imaging (MP-MRI) used as a triage test might allow men to avoid unnecessary TRUS-biopsy and improve diagnostic accuracy. METHODS: We did this multicentre, paired-cohort, confirmatory study to test diagnostic accuracy of MP-MRI and TRUS-biopsy against a reference test (template prostate mapping biopsy [TPM-biopsy])...
February 25, 2017: Lancet
https://www.readbyqxmd.com/read/28106128/fabrication-of-au-ag-nanocage-nayf4-nayf4-yb-er-core-shell-hybrid-and-its-tunable-upconversion-enhancement
#13
Xu Chen, Donglei Zhou, Wen Xu, Jinyang Zhu, Gencai Pan, Ze Yin, He Wang, Yongsheng Zhu, Cui Shaobo, Hongwei Song
Localized electric filed enhancement by surface plasmon resonance (SPR) of noble metal nanoparticles is an effective method to amplify the upconversion luminescence (UCL) strength of upconversion nanoparticles (UCNPs), whereas the highly effective UCL enhancement of UCNPs in colloids has not been realized until now. Here, we designed and fabricated the colloidal Au-Ag nanocage@NaYF4@NaYF4:Yb,Er core-shell hybrid with different intermediate thickness (NaYF4) and tunable SPR peaks from visible wavelength region to NIR region...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28104091/major-league-pitching-workload-after-primary-ulnar-collateral-ligament-reconstruction-and-risk-for-revision-surgery
#14
Robert A Keller, Nima Mehran, Nathan E Marshall, Kelechi R Okoroha, Lafi Khalil, James E Tibone, Vasilios Moutzouros
BACKGROUND: Literature has attempted to correlate pitching workload with risk of ulnar collateral ligament (UCL) injury; however, limited data are available in evaluating workload and its relationship with the need for revision reconstruction in Major League Baseball (MLB) pitchers. METHODS: We identified 29 MLB pitchers who underwent primary UCL reconstruction surgery and subsequently required revision reconstruction and compared them with 121 MLB pitchers who underwent primary reconstruction but did not later require revision surgery...
February 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28098706/current-trends-in-ulnar-collateral-ligament-reconstruction-surgery-among-newly-trained-orthopaedic-surgeons
#15
Ryan M Degen, Christopher L Camp, Johnathan A Bernard, David M Dines, David W Altchek, Joshua S Dines
INTRODUCTION: Ulnar collateral ligament (UCL) reconstructions are being performed with an increasing annual incidence. The purpose of this study was to evaluate trends in UCL surgery among recently trained orthopaedic surgeons. METHODS: The American Board of Orthopaedic Surgeons (ABOS) database was used to identify all UCL reconstructions from 2004 to 2013. Procedures were identified by Current Procedural Terminology (CPT) codes and verified by International Classification of Disease, Ninth Revision (ICD-9) codes...
February 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28098332/revisiting-the-optimized-doping-ratio-in-core-shell-nanostructured-upconversion-particles
#16
Bin Shen, Shengming Cheng, Yuyang Gu, Danrui Ni, Yilin Gao, Qianqian Su, Wei Feng, Fuyou Li
The development of rare-earth doped upconversion nanoparticles (RE-UCNPs) in various applications is fuelling the demand for nanoparticles with highly enhanced upconversion luminescence (UCL). Although the core/shell structure is proved to enhance the UCL effectively, there is still plenty of room to further improve the UCL by optimizing the doping ratio of the materials. In this article, a general strategy is demonstrated to achieve highly-enhanced visible UCL in core/shell nanostructured NaREF4 by increasing the doping ratio of Yb(3+) in the core region...
January 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28096168/sk-channel-enhancers-attenuate-ca2-dependent-arrhythmia-in-hypertrophic-hearts-by-regulating-mito-ros-dependent-oxidation-and-activity-of-ryr
#17
Tae Yun Kim, Radmila Terentyeva, Karim H F Roder, Weiyan Li, Man Liu, Ian Greener, Shanna Hamilton, Iuliia Polina, Kevin R Murphy, Richard T Clements, Samuel C Dudley, Gideon Koren, Bum-Rak Choi, Dmitry Terentyev
AIM: s: Plasmamembrane small conductance Ca<su2+p>-activated K<su+ p > (SK) channels were implicated in ventricular arrhythmias in infarcted and failing hearts. Recently, SK channels were detected in the mitochondria inner membrane (mSK), and their activation protected from acute ischemia-reperfusion injury by reducing intracellular levels of reactive oxygen species (ROS). We hypothesized that mSK play an important role in regulating mitochondrial function in chronic cardiac diseases...
January 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#18
Brian C Lau, Nirav K Pandya
BACKGROUND: There are excellent data supporting recommendations to prevent elbow injuries (osteochondritis dissecans [OCD] and ulnar collateral ligament [UCL] injuries), such as pitch count and pitch type in baseball, but anatomic risk factors have not been thoroughly examined. This study aimed to evaluate radiographic measurements in adolescents with elbow OCD lesions or UCL injuries and controls. METHODS: We retrospectively identified adolescent patients between 2011 and 2016 with isolated capitellum OCD, UCL tear, or normal elbows based on magnetic resonance imaging...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28073756/feature-selection-using-a-one-dimensional-na%C3%A3-ve-bayes-classifier-increases-the-accuracy-of-support-vector-machine-classification-of-cdr3-repertoires
#19
Mattia Cinelli, Yuxin Sun, Katharine Best, James M Heather, Shlomit Reich-Zeliger, Eric Shifrut, Nir Friedman, John Shawe-Taylor, Benny Chain
MOTIVATION: Somatic DNA recombination, the hallmark of vertebrate adaptive immunity, has the potential to generate a vast diversity of antigen receptor sequences. How this diversity captures antigen specificity remains incompletely understood. In this study we use high throughput sequencing to compare the global changes in T cell receptor β chain complementarity determining region 3 (CDR3β) sequences following immunization with ovalbumin administered with complete Freund's adjuvant (CFA) or CFA alone...
January 10, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28048706/tu-ab-bra-06-best-in-physics-joint-imaging-therapy-an-mri-compatible-externally-and-internally-deformable-lung-motion-phantom-for-multi-modality-igrt
#20
P Sabouri, T Arai, A Sawant
PURPOSE: MRI has become an attractive tool for tumor motion management. Current MR-compatible phantoms are only capable of reproducing translational motion. This study describes the construction and validation of a more realistic, MRI-compatible lung phantom that is deformable internally as well as externally. We demonstrate a radiotherapy application of this phantom by validating the geometric accuracy of the open-source deformable image registration software NiftyReg (UCL, UK). METHODS: The outer shell of a commercially-available dynamic breathing torso phantom was filled with natural latex foam with eleven water tubes...
June 2016: Medical Physics
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