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Journal of Shoulder and Elbow Surgery

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https://www.readbyqxmd.com/read/29224986/the-effectiveness-of-a-modified-metaizeau-technique-in-fixation-of-adult-radial-neck-fractures-a-prospective-study-with-a-modification-of-the-broberg-morrey-classification
#1
Nagmani Singh, Chakra Raj Pandey, Rakesh John, Rajesh Singh, Bhupal Tamang, Sandeep Bhandari
BACKGROUND: The incidence of adult radial neck fractures is lower compared with its pediatric counterpart. The literature on adult radial neck fracture management is limited; also, there is a lack of a detailed fracture classification system. In our study, we are evaluating the modified Metaizeau technique for the treatment of adult radial neck fractures. We also describe a modification to the existing fracture classification proposed by Broberg and Morrey to make it more inclusive of different fracture patterns...
December 7, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29223321/is-there-value-in-retrospective-90-day-bundle-payment-models-for-shoulder-arthroplasty-procedures
#2
Susan M Odum, Nady Hamid, Bryce A Van Doren, Leo R Spector
BACKGROUND: The Centers for Medicare & Medicaid Services Bundled Payments for Care Improvement (BPCI) initiative was implemented as part of the Affordable Care Act. We implemented a retrospective payment model 2 for a 90-day total shoulder arthroplasty (TSA) episode to assess the value of TSA BPCI at our private practice. METHODS: Expenditures and postacute event rates of 132 fee-for-service (FFS) patients who underwent a TSA operation between 2009 and 2012 were compared with 333 BPCI patients who had a TSA operation in 2015...
December 7, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29221757/an-international-multicenter-cohort-study-comparing-6-shoulder-clinical-scores-in-an-asymptomatic-population
#3
James M McLean, Daniel Awwad, Ryan Lisle, James Besanko, Donald Shivakkumar, Jordan Leith
HYPOTHESIS: The study purpose was to assess 6 shoulder patient-reported outcome measure (PROM) values in asymptomatic, healthy, pathology-free individuals. We hypothesized that there would be no difference in PROM values in pathology-free individuals when considering sex, age, ethnicity, and geographical location. METHODS: Electronic questionnaires were completed by 635 individuals (323 Australians and 312 Canadians) without dominant shoulder pathology for the American Shoulder and Elbow Surgeons (ASES) shoulder score; Constant-Murley Shoulder Score (CSS); Oxford Shoulder Score (OSS); University of California, Los Angeles (UCLA) shoulder score; Shoulder Pain and Disability Index (SPADI); and Stanmore Percentage of Normal Shoulder Assessment (SPONSA)...
December 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29217421/isolated-suprascapular-mononeuropathy-following-nondisplaced-scapular-fracture
#4
Marcin Kowalczuk, Albert Lin
No abstract text is available yet for this article.
December 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29198939/three-dimensional-computed-tomography-measurement-accuracy-of-varying-hill-sachs-lesion-size
#5
Anthony Ho, Michael D Kurdziel, Denise M Koueiter, J Michael Wiater
BACKGROUND: The glenoid track concept has been proposed to correlate shoulder stability with bone loss. Accurate assessment of Hill-Sachs lesion size preoperatively may affect surgical planning and postoperative outcomes; however, no measurement method has been universally accepted. This study aimed to assess the accuracy and reliability of measuring Hill-Sachs lesion sizes using 3-dimensional (3D) computed tomography (CT). METHODS: Nine polyurethane humerus bone substitutes were used to create Hill-Sachs lesions of varying sizes with a combination of lesion depth (shallow, intermediate, and deep) and width (small, medium, and large)...
November 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29198938/outcomes-of-arthroscopic-revision-rotator-cuff-repair-with-acellular-human-dermal-matrix-allograft-augmentation
#6
Eric A Hohn, Blake P Gillette, Joseph P Burns
BACKGROUND: The purpose was to assess the minimum 2-year patient-reported outcomes and failure rate of patients who underwent revision arthroscopic rotator cuff repair augmented with acellular human dermal matrix (AHDM) allograft for repairable retears. METHODS: From 2008-2014, patients who underwent revision rotator cuff repair augmented with AHDM with greater than 2 years' follow-up by a single surgeon were retrospectively reviewed. Data regarding surgical history, demographic characteristics, and medical comorbidities were collected...
November 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29198812/the-effect-of-a-radial-neck-notch-on-press-fit-stem-stability-a-biomechanical-study-on-7-cadavers
#7
Dave R Shukla, Dipit C Sahu, James S Fitzsimmons, Kai-Nan An, Shawn W O'Driscoll
BACKGROUND: Minimal micromotion is necessary for osteointegration of cementless radial head prostheses. When radial head fractures extend longitudinally, where the neck cut for prosthetic replacement should be made is uncertain. We hypothesized that complete resection of the notched portion of a radial neck confers no advantage in initial stability compared with not resecting the defect and inserting the implant into a notched radial neck. MATERIALS AND METHODS: The radii of 7 cadavers underwent radial head resection and implantation with a 25-mm-long press-fit radial head stem...
November 29, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29195899/ibuprofen-impairs-capsulolabral-healing-in-a-rat-model-of-anterior-glenohumeral-instability
#8
Jonathan D Packer, Arya G Varthi, David S Zhu, Frances G Javier, Jason D Young, Jennie V Garver, Havalee Henry, Steven M Tommasini, Theodore A Blaine
BACKGROUND: Failure of glenoid labrum and capsular healing after glenohumeral dislocation can lead to persistent shoulder instability. The purpose of this study was to determine the effect of nonsteroidal anti-inflammatory drugs (NSAIDs) on the healing glenoid labrum and capsule after glenohumeral dislocation in a rat model. METHODS: Sixty-six rats had surgically induced anterior-inferior labral tears and anterior glenohumeral dislocation. Postoperatively, the animals were assigned to either normal (n = 32) or ibuprofen drinking water (n = 31)...
November 29, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29195900/outcomes-for-subscapularis-management-techniques-in-shoulder-arthroplasty-a-systematic-review
#9
REVIEW
W Stephen Choate, Adam Kwapisz, Amit M Momaya, Richard J Hawkins, John M Tokish
BACKGROUND: This systematic review aims to synthesize published data for the most common subscapularis takedown and repair to compare outcomes in the setting of shoulder arthroplasty. METHODS: Searches of MEDLINE and Cochrane Library databases identified studies that reported clinical or radiologic outcomes for subscapularis management in the setting of shoulder arthroplasty. Comparisons included musculotendinous integrity, subscapularis testing and strength, shoulder range of motion, and functional outcome scores...
November 28, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29195898/outcomes-of-displaced-olecranon-fractures-treated-with-the-olecranon-sled
#10
Andrew J Lovy, Isaiah Levy, Aakash Keswani, Todd Rubin, Michael R Hausman
BACKGROUND: Tension-band wiring is largely considered the gold standard for fixation of displaced olecranon fractures despite high rates of hardware complications. The purpose of this study was to report the outcomes of displaced olecranon fractures treated with the Olecranon Sled. METHODS: We retrospectively reviewed all displaced olecranon fractures from 2011-2015 treated with the Olecranon Sled. Inclusion was limited to functionally independent patients with Mayo type II fractures and minimum 12-month follow-up...
November 28, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29175353/classification-of-instability-after-reverse-shoulder-arthroplasty-guides-surgical-management-and-outcomes
#11
Adham Abdelfattah, Randall J Otto, Peter Simon, Kaitlyn N Christmas, Gregory Tanner, Joey LaMartina, Jonathan C Levy, Derek J Cuff, Mark A Mighell, Mark A Frankle
BACKGROUND: Revision of unstable reverse shoulder arthroplasty (RSA) remains a significant challenge. The purpose of this study was to determine the reliability of a new treatment-guiding classification for instability after RSA, to describe the clinical outcomes of patients stabilized operatively, and to identify those with higher risk of recurrence. METHODS: All patients undergoing revision for instability after RSA were identified at our institution. Demographic, clinical, radiographic, and intraoperative data were collected...
November 23, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29174271/effects-of-pulsed-electromagnetic-field-therapy-at-different-frequencies-and-durations-on-rotator-cuff-tendon-to-bone-healing-in-a-rat-model
#12
Julianne Huegel, Daniel S Choi, Courtney A Nuss, Mary C C Minnig, Jennica J Tucker, Andrew F Kuntz, Erik I Waldorff, Nianli Zhang, James T Ryaby, Louis J Soslowsky
BACKGROUND: Rotator cuff tears affect millions of individuals each year, often requiring surgical intervention. However, repair failure remains common. We have previously shown that pulsed electromagnetic field (PEMF) therapy improved tendon-to-bone healing in a rat rotator cuff model. The purpose of this study was to determine the influence of both PEMF frequency and exposure time on rotator cuff healing. METHODS: Two hundred ten Sprague-Dawley rats underwent acute bilateral supraspinatus injury and repair followed by either Physio-Stim PEMF or high-frequency PEMF therapy for 1, 3, or 6 hours daily...
November 22, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29174018/interobserver-and-intraobserver-reliability-of-radiographic-classification-of-acromioclavicular-joint-dislocations
#13
Jonathan D Ringenberg, Zachary Foughty, Adam D Hall, J Mack Aldridge, Joseph B Wilson, Marshall A Kuremsky
HYPOTHESIS AND BACKGROUND: The classification and treatment of acromioclavicular (AC) joint dislocations remain controversial. The purpose of this study was to determine the interobserver and intraobserver reliability of the Rockwood classification system. We hypothesized poor interobserver and intraobserver reliability, limiting the role of the Rockwood classification system in determining severity of AC joint dislocations and accurately guiding treatment decisions. METHODS: We identified 200 patients with AC joint injuries using the International Classification of Diseases, Ninth Revision code 831...
November 22, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29169957/operative-versus-nonoperative-treatment-for-the-management-of-full-thickness-rotator-cuff-tears-a-systematic-review-and-meta-analysis
#14
Christine C Piper, Alice J Hughes, Yan Ma, Haijun Wang, Andrew S Neviaser
BACKGROUND: Rotator cuff disease is the most common pathology of the shoulder, responsible for approximately 70% of clinic visits for shoulder pain. However, no consensus exists on the optimal treatment. The aim of this study was to analyze level I and II research comparing operative versus nonoperative management of full-thickness rotator cuff tears. METHODS: A literature search was performed, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, to identify level I and II studies comparing operative versus nonoperative treatment of rotator cuff tears...
November 21, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29169956/synovial-fluid-biomarkers-association-with-chronic-rotator-cuff-tear-severity-and-pain
#15
Chien-An Shih, Kuo-Chen Wu, Chung-Jung Shao, Tai-Chang Chern, Wei-Ren Su, Po-Ting Wu, I-Ming Jou
BACKGROUND: We tested the hypothesis that biomarkers in the synovial fluid of the glenohumeral (shoulder) joint are correlated with visual analog scale (VAS) scores, functional scores, and ultrasound findings of chronic rotator cuff tear (RCT) severity. METHODS: We measured biomarkers in shoulder joint synovial fluid of 42 patients with partial-thickness (21), nonmassive full-thickness (10), and massive full-thickness (11) RCTs. Pain duration, tear severity, and VAS and functional scores were compared with interleukin (IL) 1β, IL-6, matrix metalloproteinase (MMP) 1, and MMP-13 levels...
November 21, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29162306/osteosynthesis-of-ao-ota-13-c3-distal-humeral-fractures-in-patients-older-than-70-years
#16
Steven F Shannon, Eric R Wagner, Matthew T Houdek, Daniel Mascarenhas, Raymond A Pensy, Walter A Eglseder
OBJECTIVE: The purpose of this retrospective case series was to examine the AO Foundation and Orthopaedic Trauma Association (AO/OTA) 13-C3 distal humeral fractures treated with open reduction-internal fixation (ORIF) in patients older than 70 years. METHODS: During an 8-year period, 21 patients older than 70 years with AO/OTA 13-C3 distal humeral fractures were treated with ORIF performed by 2 senior upper extremity traumatologists. There were 16 patients with >1 year of follow-up, with a mean age of 78 (70-84) years...
November 18, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29162305/quantifying-success-after-total-shoulder-arthroplasty-the-minimal-clinically-important-difference
#17
Ryan Simovitch, Pierre-Henri Flurin, Thomas Wright, Joseph D Zuckerman, Christopher P Roche
BACKGROUND: Knowledge of the minimal clinically important difference (MCID) for different shoulder outcome metrics and range of motion after total shoulder arthroplasty (TSA) can be useful to establish a minimum threshold of improvement that defines successful treatment. This study quantifies how MCID varies with different prosthesis types, patient age, gender, and length of follow-up after TSA. METHODS: A total of 466 anatomic TSA (aTSA) and reverse TSA (rTSA) with 2-year minimum follow-up were performed by 13 shoulder surgeons...
November 18, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29157898/radiologic-and-clinical-evaluation-of-a-bioabsorbable-collagen-implant-to-treat-partial-thickness-tears-a-prospective-multicenter-study
#18
Theodore F Schlegel, Jeffrey S Abrams, Brandon D Bushnell, J Logan Brock, Charles P Ho
BACKGROUND: Treatment of partial-thickness cuff tears remains controversial. Although conservative therapy may treat symptoms, these defects do not spontaneously heal and conversion to a full-thickness lesion with subsequent repair may alter the tendon footprint. The ability to induce new tissue formation and limit tear progression in intermediate- and high-grade partial-thickness tears without surgical repair may represent a significant advancement in the treatment paradigm for these lesions...
November 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29146036/long-term-outcomes-after-infected-mini-open-rotator-cuff-repair-results-of-a-10-year-review
#19
REVIEW
Rafik Asaid, Kevin Eng, Graeme Brown, Richard Page
BACKGROUND: Infection after rotator cuff repair (RCR) is uncommon. There are few reports in the literature regarding the management and long-term results of patients in whom deep infection of the shoulder develops after RCR. The objective of this study was to assess the long-term clinical and radiologic outcomes of these patients. METHODS: We retrospectively reviewed a consecutive series of 764 patients after mini-open RCR in which 9 patients had postoperative infection...
November 13, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29133074/epidemiology-of-glenohumeral-dislocation-and-subsequent-instability-in-an-urban-population
#20
David W Shields, James G Jefferies, Andrew J Brooksbank, Neal Millar, Paul J Jenkins
BACKGROUND: Glenohumeral dislocation is the most commonly encountered adult joint instability. The epidemiology in the United Kingdom and worldwide is unclear and often limited to young, active groups that are not representative of general populations. Information regarding epidemiology and outcome from a first dislocation is useful for trauma service planning and patient counseling. We calculated the incidence of shoulder instability after a first dislocation in our urban population and investigated predictors of recurrent instability...
November 10, 2017: Journal of Shoulder and Elbow Surgery
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