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https://www.readbyqxmd.com/read/28944902/rna%C3%A2-sequence-analysis-of-samples-from-patients-with-idiopathic-adhesive-capsulitis
#1
Jiaming Cui, Tongda Zhang, Jianyi Xiong, Wei Lu, Li Duan, Weimin Zhu, Daping Wang
The present study aimed to investigate idiopathic adhesive capsulitis (frozen shoulder), to gain insights on its pathogenesis, diagnosis and therapeutic targets. Using RNA‑sequencing (seq), the present study investigated differentially expressed genes (DEGs) in five samples from five idiopathic adhesive capsulitis patients and two samples from two acromioclavicular dislocation patients, without idiopathic adhesive capsulitis. The DEGs were analyzed using the following tools: Gene Ontology enrichment analysis, Kyoto Encyclopedia of Genes and Genomes pathways analysis and protein‑protein interaction analysis...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944249/return-to-play-following-shoulder-stabilization-a-systematic-review-and-meta-analysis
#2
REVIEW
Marc N Ialenti, Jeffrey D Mulvihill, Max Feinstein, Alan L Zhang, Brian T Feeley
BACKGROUND: Anterior shoulder instability can be a disabling condition for the young athlete; however, the best surgical treatment remains controversial. Traditionally, anterior shoulder instability was treated with open stabilization. More recently, arthroscopic repair of the Bankart injury with suture anchor fixation has become an accepted technique. HYPOTHESIS: No systematic reviews have compared the rate of return to play following arthroscopic Bankart repair with suture anchor fixation with the Bristow-Latarjet procedure and open stabilization...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28944121/direct-anterior-approach-using-navigation-improves-accuracy-of-cup-position-compared-to-conventional-posterior-approach
#3
Jason Chow, Simon Pearce, Kuk-Ki Cho, William Walter
The accuracy of cup position in total hip arthroplasty is essential for a satisfactory result as malpositioning increases the risk of complications including dislocation, high wear rate, loosening, squeaking, edge loading, impingement and ultimately failure. We studied 166 patients in a single-surgeon-series of matched cohorts of patients who underwent total hip arthroplasties. Four separate groups were identified comprising of the posterior approach +/- navigation and the direct anterior approach +/- navigation...
July 17, 2017: Curēus
https://www.readbyqxmd.com/read/28943070/structural-glenoid-grafting-during-primary-reverse-total-shoulder-arthroplasty-using-humeral-head-autograft
#4
Robert Z Tashjian, Erin Granger, Peter N Chalmers
BACKGROUND: Large glenoid bone defects in the setting of glenohumeral arthritis can present a challenge to the shoulder arthroplasty surgeon. The results of large structural autografting at the time of reverse total shoulder arthroplasty (RTSA) are relatively unknown. METHODS: This retrospective case series describes the clinical and radiographic results of large structural autografting from the humeral head to the glenoid during primary RTSA. RESULTS: Of 17 patients who met inclusion criteria, 14 (82% follow-up) were evaluated postoperatively at a mean of 2...
September 22, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28942271/microstructure-changes-in-ultrafine-grained-nickel-processed-by-high-pressure-torsion-under-ultrasonic-treatment
#5
A A Samigullina, A A Mukhametgalina, S N Sergeyev, A P Zhilyaev, A A Nazarov, Yu R Zagidullina, N Yu Parkhimovich, V V Rubanik, Yu V Tsarenko
Commercially pure nickel was processed by high pressure torsion (HPT) and subjected to ultrasonic treatment (UST) with different amplitudes of compression-tension stresses in the zone of stress antinode of a standing wave. It was found that microstructure parameters such as the dislocation density, low- and high-angle grain boundary fractions, microhardness, and the stored excess energy as well, non-monotonically depend on the ultrasound amplitude. A structure relaxation leading to a reduction of internal stresses and stored energy and increase of the fraction of high-angle boundaries was observed at some intermediate amplitudes of the oscillating stress...
September 15, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28942027/tibial-tubercle-torsion-a-new-factor-of-patellar-instability
#6
V Chassaing, J M Zeitoun, M Camara, J L Blin, S Marque, M D Chancelier
INTRODUCTION: External torsion of the anterior tibial tubercle (TT), defined as external rotation around a craniocaudal axis with respect to the posterior femoral condylar plane, may induce patellar instability. To our knowledge no studies have focused on this parameter. The present study aimed to perform an MRI analysis of TT torsion. The study hypothesis was that TT torsion correlates with patellar instability and with 3 of its components: tibial tubercle-trochlear groove (TT-TG) distance, axial engagement index of the patella (AEI), and patellar tilt...
September 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28942024/eponymous-terms-in-anterior-shoulder-stabilization-surgery
#7
REVIEW
Matthijs P Somford, Just A van der Linde, Johannes I Wiegerinck, Daniël Hoornenborg, Michel P J van den Bekerom, Derek F P van Deurzen
Shoulder dislocation and its treatment is probably as old as time. Surgical treatment has gained acceptance recently, especially in recurrent cases. Within roughly the last 100 years numerous treatment strategies have been developed and questions elucidated regarding the entity of shoulder instability.Shoulder instability holds many eponymous terms. By means of literature and historical research we present the biographical background of some common eponymous terms and the original publication on which those terms are based...
September 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28941971/return-to-play-after-shoulder-instability-in-national-football-league-athletes
#8
Kelechi R Okoroha, Kevin A Taylor, Nathan E Marshall, Robert A Keller, Mohsin Fidai, Michael C Mahan, Vishal Varma, Vasilios Moutzouros
HYPOTHESIS: We hypothesized that National Football League (NFL) players sustaining a shoulder destabilizing injury could return to play (RTP) successfully at a high rate regardless of treatment type. METHODS: We identified and evaluated 83 NFL players who sustained an in-season shoulder instability event while playing in the NFL. NFL RTP, incidence of surgery, time to RTP, recurrent instability events, seasons/games played after the injury, and demographic data were collected...
September 20, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28940994/drg-spinal-cord-stimulation-as-solution-for-patients-with-severe-pain-due-to-anterior-cutaneous-nerve-entrapment-syndrome-a-case-series
#9
Frédérique Mathilde Ulrike Mol, Rudi M H Roumen
OBJECTIVES: Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is a debilitating neuropathic pain condition. A small portion of patients do not respond to any currently available treatment modalities. These patients, often young women, might benefit from targeted spinal cord stimulation of the dorsal root ganglion (DRG). METHODS: This retrospective case series describes five ACNES patients who were referred from a Dutch dedicated tertiary referral center to collaborating sites with extensive experience in DRG stimulation to be implanted with a DRG Axium System (St...
September 21, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28939802/growth-and-fabrication-of-high-external-quantum-efficiency-algan-based-deep-ultraviolet-light-emitting-diode-grown-on-pattern-si-substrate
#10
Binh Tinh Tran, Hideki Hirayama
Growing III-V semiconductor materials on Si substrates for opto-electronic applications is challenging because their high lattice mismatch and different thermal expansion coefficients cause the epitaxial layers to have low quality. Here we report the growth of a high-quality AlN template on a micro-circle-patterned Si substrate by using NH3 pulsed-flow multilayer AlN growth and epitaxial lateral overgrowth techniques. Then, we fabricated and characterized a deep-ultraviolet light-emitting diode (UV-LED) device using this AlN/patterned Si...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28939620/posteriorly-dislocated-capsular-tension-ring-leading-to-rhegmatogenous-retinal-detachment
#11
Vineet Mutha, Nitesh Salunkhe, Vinod Kumar, Parijat Chandra
No abstract text is available yet for this article.
September 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28939031/the-current-knowledge-on-spinopelvic-mobility
#12
REVIEW
Zachary C Lum, John G Coury, Jonathan L Cohen, Lawrence D Dorr
Recent studies may suggest that our conventional knowledge of risk factors for dislocation may need rethinking. Previous studies have demonstrated a large majority of total hip arthroplasty instability with acetabular cups implanted in safe zones. Recently discovered spinopelvic motion is a coordinated biomechanical relationship among acetabular anteversion, pelvic tilt, and lumbar lordosis. Classification includes normal, hypermobile, stiff, stuck standing, stuck sitting, and fused. Normal spinopelvic motion from standing to sitting occurs with hip flexion, posterior sacral tilt, and decreased lumbar lordosis to accommodate a flexed femur and prevent impingement and dislocation...
August 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28938332/mandibular-condyle-reconstruction-with-fibula-free-tissue-transfer-the-role-of-the-masseter-muscle
#13
Andreas Gravvanis, Dimitrios Anterriotis, Despoina Kakagia
BACKGROUND: Free fibula flap is an option for primary restoration after disarticulation mandibular resection, though literature on technique refinements is scarce. The authors hypothesized that inset of the masseter, the key mandibular elevator muscle, at the reconstructed mandible may optimize functional recovery. METHODS: All patients undergoing reconstruction of mandibulectomy-condylectomy defect (January 2009 to January 2014) by means of a fibular flap were prospectively studied...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938274/pain-free-3-t-mri-scans-in-cochlear-implantees
#14
Ingo Todt, Anja Tittel, Arne Ernst, Philipp Mittmann, Sven Mutze
OBJECTIVE: For cochlear implant recipients, undergoing magnetic resonance imaging (MRI) scans is associated with safety risks and potential side effects. Even following safety guidelines, potential complications (e.g., pain, magnet dislocation, image artifacts) are possible during 1.5 Tesla (T) MRI scans. The stronger static magnetic field of a 3.0 T scanner is associated with further risks of complication, including implant demagnetization. These complications led to the recent development of rotatable internal receiver magnets with a diametrical magnetization...
September 21, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28937463/combined-anterior-posterior-fixation-and-fusion-for-completely-dislocated-hangman-s-fracture-a-retrospective-analysis-of-11-cases
#15
Jianxi Wang, Huajiang Chen, Peng Cao, Wen Yuan, Xiaodong Wu, Gang Liu, Renhu Li, Fazhi Zang, Liangyu Shi, An Wang
STUDY DESIGN: Retrospective clinical study. PURPOSE: To evaluate the effectiveness and feasibility of combined anterior-posterior fixation and fusion for the treatment of completely dislocated hangman's fracture. SUMMARY OF BACKGROUND DATA: A completely dislocated hangman's fracture describes the complete anterior displacement of the C2 vertebral body onto the C3 body. This type of fracture is exceptionally unstable, and for which the management is challenging...
October 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28936285/clinical-and-radiological-outcome-of-arthrocentesis-followed-by-autologous-blood-injection-for-treatment-of-chronic-recurrent-temporomandibular-joint-dislocation
#16
Jinesh Patel, Kumar Nilesh, M I Parkar, Alpesh Vaghasiya
BACKGROUND: This study was conducted to evaluate the functional outcome and MRI findings of arthrocentsis followed by autologous blood injection (ABI) into the joint space for management of chronic recurrent TMJ dislocation. MATERIAL AND METHODS: Total ten patients with bilateral chronic recurrent condylar dislocation were included in the study. Arthrocentesis of both TMJ was performed on each patient, followed by the injection of 2 ml of autologous blood into the superior joint compartment and 1 ml onto the outer surface of the joint capsule...
August 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28936052/outcome-of-descemet-stripping-automated-endothelial-keratoplasty-in-failed-penetrating-keratoplasty
#17
Abdulrahman S Khairallah
PURPOSE: The purpose of this study was to report the outcomes of descemet stripping automated endothelial keratoplasty (DSAEK) surgeries in eyes with failed penetrating keratoplasty (PKP). METHODS: This was a retrospective, noncomparative, descriptive case series. Patients who underwent DSAEK following PKP from January 2007 to December 2012 were reviewed. Data were collected on best-corrected visual acuity (BCVA) before and 1 week, 1 month, 3 months, 6 months, 1 year, and 2 years following DSAEK...
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28934960/medium-term-results-following-arthroscopic-reduction-in-walking-age-children-with-developmental-hip-dysplasia-after-failed-closed-reduction
#18
REVIEW
Liang Zhao, Hua Yan, Changsheng Yang, Daozhang Cai, Yijun Wang
BACKGROUND: Arthroscopic reduction has become increasingly popular as an alternative to open reduction for the treatment of developmental dysplasia of the hip (DDH). However, patient outcomes beyond one and a half years after surgery remain unclear. The purpose of this study is to report the medium-term outcomes of walking-age patients who received arthroscopic reduction after an unsuccessful closed reduction. This research was conducted as part of a retrospectively registered study. METHODS: We performed arthroscopic reduction in eight children with DDH after failed closed reduction between January 2010 and January 2012 and followed all cases for a minimum of 5 years...
September 21, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28934874/radiographic-shape-of-foot-with-second-metatarsophalangeal-joint-dislocation-associated-with-hallux-valgus
#19
Tetsuro Kokubo, Takeshi Hashimoto, Yasunori Suda, Akeo Waseda, Hiroko Ikezawa
BACKGROUND: Second metatarsophalangeal (MTP) joint dislocation is associated with hallux valgus, and the treatment of complete dislocation can be difficult. The purpose of this study was to radiographically clarify the characteristic foot shape in the presence of second MTP joint dislocation. METHODS: Weight-bearing foot radiographs of the 268 patients (358 feet) with hallux valgus were examined. They were divided into 2 groups: those with second MTP joint dislocation (study group = 179 feet) and those without dislocation (control group = 179 feet)...
September 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28934540/safe-positioning-for-sexual-intercourse-after-proximal-femoral-replacement
#20
Cory G Couch, Richard W Nicholas, Corey O Montgomery
Hip arthroplasty is a common procedure used for the treatment of fractures and degenerative processes affecting the hip. Proximal femoral replacement is an uncommon type of hip arthroplasty used for reconstruction after extensive bone loss. Proximal femoral replacement is used most commonly after the resection of the proximal femur for malignancies and for extensive bone loss encountered in revision hip arthroplasty and occasionally for extensive bone loss after fractures. The authors present a case of a female patient who sustained a prosthetic dislocation of her proximal femoral replacement during sexual intercourse...
September 21, 2017: Orthopedics
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