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https://www.readbyqxmd.com/read/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#1
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/28079807/a-case-report-distal-humeral-diaphyseal-fracture-in-a-child
#2
Yuji Tomori, Takuya Sawaizumi, Mitsuhiko Nanno, Shinro Takai
RATIONALE: Distal humeral diaphyseal fractures are much less common than supracondylar humeral fractures. The triangular shape and thinner periosteum in the diaphyseal region than in the supracondylar region of the distal diaphysis makes the treatment of diaphyseal fractures difficult. Nonoperative treatment for this fracture is challenging and troublesome; thus, open reduction and internal fixation (OR/IF) is generally recommended. PATIENT CONCERNS: We herein report a distal humeral diaphyseal fracture in a child...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28076015/us-and-mr-imaging-of-pectoralis-major-injuries
#3
Yauk K Lee, Matt R Skalski, Eric A White, Anderanik Tomasian, Diane D Phan, Dakshesh B Patel, George R Matcuk, Aaron J Schein
During the past 2 decades, the frequency of pectoralis major muscle injuries has increased in association with the increased popularity of bench press exercises. Injury of the pectoralis major can occur at the muscle origin, muscle belly, musculotendinous junction, intratendinous region, and/or humeral insertion-with or without bone avulsion. The extent of the tendon injury ranges from partial to complete tears. Treatment may be surgical or conservative, depending on the clinical scenario and anatomic characteristics of the injury...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075438/quantitative-anatomical-differences-in-the-shoulder
#4
Usman Ali Mohammed Syed, Daniel E Davis, Jia-Wei Ko, Brian K Lee, Daniel Huttman, Adam Seidl, Carl Deirmengian, Joseph A Abboud
This study explored the radiographic and anatomical differences in normal shoulders between men and women, as well as factors such as race, height, weight, and age. A total of 205 patients with documented normal anatomical radiographs comprised the study population. Five fellowship-trained orthopedic surgeon reviewers measured head diameter, humeral head size, head to tuberosity distance, greater tuberosity width, neck-shaft angle, surface-arc angle, glenoid neck length, and distance from the lateral acromion process to the greater tuberosity on anteroposterior radiographs with the shoulder in external rotation...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28071815/effect-of-glenohumeral-elevation-on-subacromial-supraspinatus-compression-risk-during-simulated-reaching
#5
Rebekah L Lawrence, Dustin M Schlangen, Katelyn A Schneider, Jonathan Schoenecker, Andrea L Senger, William C Starr, Justin L Staker, Jutta M Ellermann, Jonathan P Braman, Paula M Ludewig
Mechanical subacromial rotator cuff compression is one theoretical mechanism in the pathogenesis of rotator cuff disease. However, the relationship between shoulder kinematics and mechanical subacromial rotator cuff compression across the range of humeral elevation motion is not well understood. The purpose of this study was to investigate the effect of humeral elevation on subacromial compression risk of the supraspinatus during a simulated functional reaching task. Three-dimensional anatomical models were reconstructed from shoulder magnetic resonance images acquired from 20 subjects (10 asymptomatic, 10 symptomatic)...
January 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28070676/-upper-extremity-fractures-in-the-elderly
#6
Roland Biber, S Grüninger, H J Bail
Upper extremity fractures in the elderly are very frequent and second only to hip fractures in the group of fragility fractures. Their impact on mobility and functional decline seems to be underestimated especially when they occur in combination with lower extremity fractures. Fractures of the proximal humerus and the distal radius can often be treated conservatively; however, the indications for operative treatment must not be based on fracture morphology alone and due consideration should be given to all concomitant circumstances affecting functional aspects of patients...
January 9, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28065869/predictors-of-radial-nerve-palsy-recovery-in-humeral-shaft-fractures-a-retrospective-review-of-17-patients
#7
Nadine Nachef, VarenkaBariatinsky, Steeve Sulimovic, Christian Fontaine, Christophe Chantelot
BACKGROUND: Radial nerve injury is common in humeral shaft fractures and fails to recover spontaneously in 30% of cases. Few studies have evaluated predictors of recovery.The objectives of this study were to identify predictors of radial nerve palsy recovery and to assess the usefulness of surgical radial nerve exploration in patients with pre-operative radial nerve palsy. HYPOTHESIS: Factors predicting the outcome of radial nerve palsy can be identified. METHODS: Of 373 patients with humeral shaft fractures between 2005 and 2012, 43 had radial nerve palsy, including 23 who were lost to follow-up and 17 who were evaluated retrospectively at a mean of 26 months (range, 12-84 months) after internal fixation...
January 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28064003/a-semi-automated-quantitative-ct-method-for-measuring-rotator-cuff-muscle-degeneration-in-shoulders-with-primary-osteoarthritis
#8
Alexandre Terrier, Julien Ston, Antoine Dewarrat, Fabio Becce, Alain Farron
BACKGROUND: Rotator cuff muscle degeneration is an important parameter to consider when planning shoulder arthroplasty. HYPOTHESIS: We hypothesized that rotator cuff muscle degeneration is correlated with scapulohumeral subluxation in patients planned for anatomical total shoulder arthroplasty (TSA). MATERIALS AND METHODS: We developed a semi-automated quantitative CT method to measure rotator cuff muscle degeneration, and retrospectively analyzed 107 preoperative shoulder CT scans of patients with primary osteoarthritis...
January 4, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28063677/the-results-of-tension-band-rotator-cuff-suture-fixation-of-locked-plating-of-displaced-proximal-humerus-fractures
#9
Dave R Shukla, Steven McAnany, Christian Pean, Samuel Overley, Andrew Lovy, Bradford O Parsons
INTRODUCTION: The purpose of this study was to assess 1-year outcomes of patients with displaced proximal humerus fractures who underwent treatment with locked plate fixation with rotator cuff suture augmentation. METHODS: A total of 86 patients who had sustained 2, 3 and 4-part displaced proximal humerus fractures underwent locked plate fixation with multiple sutures placed in the cuff tendons. Clinical outcome variables included active forward elevation (AFE), active external rotation (AER), and Constant and American Shoulder and Elbow Surgeons (ASES) scores...
December 29, 2016: Injury
https://www.readbyqxmd.com/read/28060232/a-dedicated-orthopaedic-trauma-operating-room-improves-efficiency-at-a-pediatric-center
#10
Christopher M Brusalis, Apurva S Shah, Xianqun Luan, Meaghan K Lutts, Wudbhav N Sankar
BACKGROUND: Dedicated orthopaedic trauma operating rooms have improved operating room efficiency, physician schedules, and patient outcomes in adult populations. The purpose of this study was to determine if a dedicated orthopaedic trauma operating room was associated with improved patient flow and cost savings at a level-I pediatric trauma center. METHODS: A retrospective analysis was performed for two 3-year intervals before and after implementation of a weekday, unbooked operating room reserved for orthopaedic trauma cases...
January 4, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28057631/ultimate-fracture-load-of-cadaver-proximal-humeri-correlates-more-strongly-with-mean-combined-cortical-thickness-than-with-areal-cortical-index-dexa-density-or-canal-to-calcar-ratio
#11
J G Skedros, C S Mears, W Z Burkhead
OBJECTIVES: This investigation sought to advance the work published in our prior biomechanical study (Journal of Orthopaedic Research, 2016). We specifically sought to determine whether there are additional easy-to-measure parameters on plain radiographs of the proximal humerus that correlate more strongly with ultimate fracture load, and whether a parameter resembling the Dorr strength/quality characterisation of proximal femurs can be applied to humeri. MATERIALS AND METHODS: A total of 33 adult humeri were used from a previous study where we quantified bone mineral density of the proximal humerus using radiographs and dual-energy x-ray absorptiometry (DEXA), and regional mean cortical thickness and cortical index using radiographs...
January 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28050700/when-is-it-safe-to-reduce-fracture-dislocation-of-shoulder-under-sedation-proposed-treatment-algorithm
#12
Konrad Sebastian Wronka, Abhimanyu Ved, Khitish Mohanty
INTRODUCTION: Shoulder dislocations are common. It is known that incongruent shoulder should be promptly reduced. However, when associated with fracture of the proximal humerus, there is a clinical dilemma if reduction under sedation is a safe option. We wanted to establish when it is safe to attempt reduction of a shoulder fracture dislocation under sedation in emergency room. METHODS: This is a retrospective cohort study assessing consecutive patients presenting with a dislocation of a gleno-humeral joint with an associated fracture of the humerus between 2007 and 2015...
January 3, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28050640/is-the-humeral-stem-useful-in-anatomic-total-shoulder-arthroplasty
#13
Philippe Collin, Tetsu Matsukawa, Pascal Boileau, Ulrich Brunner, Gilles Walch
PURPOSE: Traditionally and since Neer, the humeral side of shoulder arthroplasty consisted of a stemmed component but the real need for stem fixation in total shoulder arthroplasty (TSA) has barely been investigated. The current study evaluated the clinical and radiological outcomes with a stemless TSA. METHODS: Forty-seven patients, 20 female and 27 male patients with an average age of 63, were selected in four orthopaedic centres during a four year period, and implanted with a humeral head prosthesis with a three-fin design and titanium coating...
January 3, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28050354/a-case-report-on-unilateral-accessory-humeral-head-of-pronator-teres
#14
Suman Verma, Sulochana Sakthivel
The presence of an accessory muscle in the forearm is likely to compress on the neurovascular structures and has clinical implications. We encountered an accessory humeral head of pronator teres during routine dissection of left upper limb in a male cadaver. The accessory head had fleshy origin from medial supracondylar line, medial intermuscular septum and brachialis fascia. It coursed downwards in the cubital region covering brachial artery and median nerve. Further, it narrowed becoming mostly tendinous and joined with the humeral head of pronator teres...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049120/luxatio-erecta-humeri-with-neurovascular-compromise-inferior-glenohumeral-dislocation-illustrating-associated-injuries
#15
David Owen, Mithun Nambiar, Peter Moore, Malcolm Thomas
Luxatio erecta humeri (LEH) is a rare type of shoulder dislocation in which the humeral head becomes trapped beneath the glenoid. Patients present with the arm in a fixed hyperabducted position. LEH is estimated to occur in 0.5% of all shoulder dislocations, most often caused by trauma and has a significant association with local bone, ligament and less frequently neurovascular injury. We present a case with initial neurovascular compromise and sustained neurological impairment at long-term follow-up. Urgent closed reduction is advocated and subsequent treatment is dependent on associated injuries...
October 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28048532/su-f-t-396-impact-of-shoulder-deformation-for-head-and-neck-vmat
#16
Y Uchida, H Tachibana
PURPOSE: For head and neck VMAT (HN-VMAT), variations of position and deformation of patient's shoulders is a concern to affect inaccuracy of dose distribution. It has been reported that the setup error of the shoulders was variable from 5 mm - 1 cm. The beams of the HN-VMAT pass through the shoulders. We assessed the impact of shoulder deformation to dose distribution for HN-VMAT. METHODS: One HN-VMAT plan was generated using a patient's CT. The patient's CT was deformed using ImSimQA (Oncology Systems Limited, Shrewsbury, Shropshire, UK) to generate several patterns of the shoulders' deformations when the right and left humeral heads were shifted with 3, 6, and 15 mm in the superior and inferior directions (SI), 3, 5, and 15 mm in the anterior and posterior directions (AP), and 5 and 15 mm in the right or left direction (LR)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045839/the-use-of-magnetic-resonance-imaging-in-management-of-minimally-displaced-or-nondisplaced-lateral-humeral-condyle-fractures-in-children
#17
Gregory Haillotte, Manon Bachy, Marion Delpont, Reda Kabbaj, Hubert Ducou le Pointe, Raphaël Vialle
OBJECTIVES: Fractures of the lateral humeral condyle are common in children. Nondisplaced fractures are managed with cast immobilization and frequent radiographic follow-up. Possibility of assessing the displacement and stability of such fractures may be helpful in planning the initial treatment and survey. Magnetic resonance imaging (MRI) could be a useful tool in determining the stability of lateral condyle in children. We propose to investigate the use of MRI in such indication. METHODS: Fourteen patients presenting with a minimally displaced or nondisplaced fracture were initially treated with a long arm cast and had an MRI within 5 days of injury...
January 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28042977/full-can-test-mechanisms-of-a-positive-test-in-patients-with-shoulder-pain
#18
Mark K Timmons, Sevgi S Yesilyaprak, Jeff Ericksen, Lori A Michener
BACKGROUND: The full can test is theorized to produce compressive loads on the supraspinatus tendon within the subacromial space. Characterizing the width of the subacromial outlet, scapular orientation, and shoulder pain during the full can test will improve the mechanistic understanding of the positive full can test. METHODS: Cross-sectional repeated measures design. Participants with subacromial pain syndrome (n=30) were compared to a matched control group (n=30) during 2 conditions: passive support, and the full can test...
December 24, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/28040088/restoration-of-long-bone-defects-treated-with-the-induced-membrane-technique-protocol-and-outcomes
#19
Peter V Giannoudis, Paul J Harwood, Theodoros Tosounidis, Nikolaos K Kanakaris
This prospective study was undertaken at a regional tertiary referral centre to evaluate the results of treatment of bone defects managed with the induced membrane (IM) technique. Inclusion criteria were patients with bone defects secondary to septic non-union, chronic osteomyelitis and acute fracture with bone loss. Pathological fractures with bone loss were excluded. Data collection included patient demographics, pathology, previous surgical intervention, size of bone defect, type of graft implanted, time-to-union and complications/reinterventions...
December 2016: Injury
https://www.readbyqxmd.com/read/28040080/is-it-safe-to-assist-proximal-humeral-nailing-to-residents-an-analysis-of-1134-cases
#20
Burak Altintas, Roland Biber, Hermann J Bail
INTRODUCTION: Intramedullary nailing is a common procedure for the treatment of proximal humeral fractures. In practical resident training this standardized operation plays an important role in the introduction to osteosynthesis. Our aim was to investigate whether assisting this operation to residents influences the surgical complication rate both in-house and on re-admission. METHODS: All 1134 patients who received a proximal humeral Targon PH nail (Aesculap) for proximal humeral fractures were included between 2000 and 2013...
December 2016: Injury
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