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proximal humerus fracture

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https://www.readbyqxmd.com/read/28707049/locking-screw-plate-interface-stability-in-carbon-fibre-reinforced-polyetheretherketone-proximal-humerus-plates
#1
David J Hak, Ryan Fader, Todd Baldini, Vivek B S Chadayammuri
PURPOSE: Carbon-fibre reinforced polyetheretherketone (CFR-PEEK) plates have recently been introduced for proximal humerus fracture treatment. The purpose of this study was to compare the locking screw-plate interface stability in CFR-PEEK versus stainless steel (SS) proximal humerus plates. METHODS: Locking screw mechanical stability was evaluated independently in proximal and shaft plate holes. Stiffness and load to failure were tested for three conditions: (1) on-axis locking screw insertion in CFR-PEEK versus SS plates, (2) on-axis locking screw insertion, removal, and reinsertion in CFR-PEEK plates, and (3) 10-degree off-axis locking screw insertion in CFR-PEEK plates...
July 13, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28706376/axillary-artery-injury-and-brachial-plexus-palsy-as-a-complication-of-proximal-humerus-fractures
#2
G Bucci, G Lucar-López, J Sanchez-Gonzalez, F Malagelada, J Palencia Lopez, K A Guevara-Noriega
No abstract text is available yet for this article.
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28699404/improved-external-rotation-with-concomitant-reverse-total-shoulder-arthroplasty-and-latissimus-dorsi-tendon-transfer-a-systematic-review
#3
Aaron Wey, John C Dunn, Nicholas Kusnezov, Brian R Waterman, Kelly G Kilcoyne
BACKGROUND: In conjunction with reverse total shoulder arthroplasty (RSA), latissimus dorsi and teres major (LD-TM) transfer has been advocated in the setting of combined loss of elevation and external rotation. The purpose of this systematic review is to summarize the clinical outcomes following RSA with LD-TM transfer. METHODS: A search of PubMed, EMBASE, CINAHL, Medline, and Cochrane databases was performed between January 1, 1990 and March 1, 2016 and included articles related to outcomes following RSA with LD-TM transfer...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28699149/is-the-clavicula-pro-humero-technique-of-value-for-reconstruction-after-resection-of-the-proximal-humerus-in-children
#4
Dominique Barbier, Benoît De Billy, Philippe Gicquel, Sophie Bourelle, Pierre Journeau
BACKGROUND: There are several options for reconstruction of proximal humerus resections after wide resection for malignant tumors in children. The clavicula pro humero technique is a biologic option that has been used in the past, but there are only scant case reports and small series that comment on the results of the procedure. Because the longevity of children mandates a reconstruction with potential longevity not likely to be achieved by other techniques, the clavicula pro humero technique may be a potential option in selected patients...
July 11, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28697401/fatigue-failure-of-plated-osteoporotic-proximal-humerus-fractures-is-predicted-by-the-strain-around-the-proximal-screws
#5
Peter Varga, Leonard Grünwald, Jason A Inzana, Markus Windolf
The high rate of required reoperation indicates that treatment of fragility fractures at the proximal humerus still remains a major challenge in trauma surgery. Improved fixation approaches are needed. Several limitations of the conventional implant development process involving experimental testing could be overcome by using computer models that would allow systematic and efficient analyses. However, such models require experimental validation. This study investigated if linear elastic continuum finite element (FE) models can predict experimental fatigue failure in locking plate fixation of osteoporotic proximal humerus fractures...
July 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28697089/fixation-of-a-proximal-humerus-fracture-with-an-intramedullary-nail
#6
Andrew D Sobel, Kalpit N Shah, E Scott Paxton
Proximal humerus fractures (PHFs) are common injuries seen mostly in elderly patients. Although nonoperative management is acceptable for most patients, surgical fixation is often advocated for younger patients or active, elderly patients with reconstructable fractures. A variety of fixation methods exist: percutaneous pinning, open reduction and internal fixation with locking plates, and intramedullary nailing are viable options. Modern intramedullary nails serve as excellent options for the fixation of many operative PHFs...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28697084/posterior-fracture-dislocation-of-the-shoulder-a-modified-mclaughlin-procedure
#7
Sanjit R Konda, Nina Fisher, Mark Gage, Kenneth A Egol
PURPOSE: Bilateral posterior fracture dislocation is a rare injury commonly associated with seizures. When the humeral head defect (reverse Hill-Sachs lesion) is between 20% and 45%, operative fixation using a modified McLaughlin procedure is recommended. This video demonstrates a case of bilateral posterior fracture dislocation after a drug-induced seizure treated with a modified McLaughlin procedure. METHODS: The original McLaughlin procedure involved transfer of the subscapularis tendon from the lesser tuberosity to the reverse Hill-Sachs defect...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28689829/polyethylene-dissociation-from-humeral-stem-status-after-reverse-total-shoulder-arthroplasty
#8
Karan A Patel, Kara L Boyd, Kevin J Renfree, Steven J Hattrup
BACKGROUND: Reverse shoulder arthroplasty (RSA) is an important treatment option for 4-part proximal humerus fractures in the elderly and arthrosis of the glenohumeral joint with incompetence of the rotator cuff. Unique complications do occur with use of this type of prosthesis. METHODS: We present 4 cases of polyethylene dissociation after RSA. RESULTS: In a series of 549 patients who underwent RSA, the incidence of polyethylene dissociation was found to be 0...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28689822/fracture-line-morphology-of-complex-proximal-humeral-fractures
#9
Afsana P Hasan, Joideep Phadnis, Ruurd L Jaarsma, Gregory I Bain
BACKGROUND: The aim of this study was to assess proximal humeral fracture patterns using 3-dimensional computed tomography images and relate them to the normal osseous landmarks and soft-tissue attachments. METHODS: Forty-eight 3-dimensional computed tomography scans of proximal humeral fractures were retrospectively collected, and the fractures were transcribed onto proximal humeral templates. We analyzed the common location and orientation of the fracture lines, with a focus on fractures of the articular surface, tuberosities, metaphysis, and proximal diaphysis...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28688933/defining-optimal-calcar-screw-positioning-in-proximal-humerus-fracture-fixation
#10
Eric M Padegimas, Benjamin Zmistowski, Cassandra Lawrence, Aaron Palmquist, Thema A Nicholson, Surena Namdari
BACKGROUND: Anatomic reduction and placement of an inferior calcar screw are strategies to prevent fixation failure in proximal humerus factures. Optimal position of the calcar screw remains unknown. METHODS: There were 168 shoulders (68.5% female; average age, 63.6 ± 11.5 years) that underwent open reduction and internal fixation of a displaced proximal humerus fracture involving the surgical or anatomic neck. Univariate and multivariate analyses were performed on preoperative clinical, preoperative radiographic, and postoperative radiographic variables to determine association with fixation failure...
July 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28671095/combination-of-locking-plate-and-anti-osteoporosis-drug-for-the-treatment-of-senior-osteoporotic-proximal-humeral-fractures
#11
Hao Chen, Qing Zhou, Jinlian Liu
To analyze and evaluate the clinical efficacy of the combination of locking plate and anti-osteoporosis drug for the patients with senior osteoporotic proximal humerus fractures. 120 patients with senior osteoporotic proximal humerus fractures were selected as research objects. According to the differences of treatment options, they were divided into two groups, i.e., 60 patients in observation group accepting the treatment of combination of locking plate and anti-osteoporosis drug, the other 60 patients in the control group accepting simple locking plate treatment...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28663399/prediction-of-the-pre-morbid-3d-anatomy-of-the-proximal-humerus-based-on-statistical-shape-modelling
#12
S Poltaretskyi, J Chaoui, M Mayya, C Hamitouche, M J Bercik, P Boileau, G Walch
AIMS: Restoring the pre-morbid anatomy of the proximal humerus is a goal of anatomical shoulder arthroplasty, but reliance is placed on the surgeon's experience and on anatomical estimations. The purpose of this study was to present a novel method, 'Statistical Shape Modelling', which accurately predicts the pre-morbid proximal humeral anatomy and calculates the 3D geometric parameters needed to restore normal anatomy in patients with severe degenerative osteoarthritis or a fracture of the proximal humerus...
July 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28659054/self-reducing-proximal-humerus-fractures
#13
Christopher Fang, Ernest Beng Kee Kwek
BACKGROUND: Proximal humeral fractures are common in the elderly and can present with multiple fracture configurations. Our case series describes a three-part valgus-impacted fracture pattern of the proximal humerus that underwent spontaneous reduction by nonsurgical management with good functional outcomes. METHODS: Seven patients who sustained low-energy three-part valgus-impacted fractures of the proximal humerus were studied. We retrospectively reviewed serial anteroposterior radiographs of each patient taken as part of routine follow-up...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28644936/the-deltoid-lift-a-comparison-study-of-exposure-area-in-proximal-humeral-approaches
#14
Michael Ting, Nicholas Kusnezov, John Dunn, Alok K Dwivedi, Miguel A Pirela-Cruz
BACKGROUND: Adequate exposure of the proximal humerus is necessary to address atypical or complex proximal humerus fractures and orthopedic tumors. Surgical management may be difficult through existing approaches due to their limited nature and the delicate neurovascular anatomy of the shoulder. The deltoid lift, a previously described extensile approach, can be incorporated into the surgeon's armamentarium as an alternative exposure to the proximal humerus. The objective of this study was to quantify and compare the humeral exposure achieved through the deltoid lift with the standard direct lateral deltoid-splitting, anterolateral acromial, and deltopectoral approaches in terms of surface area and exposure of key anatomic landmarks...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28644117/reverse-total-shoulder-arthroplasty-for-complex-three-and-four-part-proximal-humerus-fractures-in-elderly-patients-a-review
#15
George F Lebus V, Hassan R Mir, Brandon D Bushnell
Complex proximal humerus fractures in elderly patients represent a difficult problem for orthopaedic surgeons. Classically, treatment methods have included nonoperative management, open reduction and internal fixation, and hemiarthroplasty. Outcomes of nonoperative management for these complex fractures have been poor, and results of traditional operative techniques are variable at best. Over the past several years, reverse total shoulder arthroplasty (RTSA) has been increasingly employed in these injuries with encouraging results...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28641734/acute-proximal-humeral-fractures-in-adults
#16
Véronique Lowry, Nathalie J Bureau, François Desmeules, Jean-Sébastien Roy, Dominique M Rouleau
STUDY DESIGN: Clinical commentary. INTRODUCTION: Proximal humeral fractures (PHF) are the third most common fracture in the elderly with an increased incidence expected in the coming years with the aging population, causing an important burden to the healthcare system. The management of PHF is challenging due to its complexity and the wide variety of fractures and treatment options. PURPOSE: The objective of this clinical commentary is to update the available evidence on clinical presentation, classification, imaging, medical treatment, and rehabilitation of acute PHF...
April 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28630838/a-case-report-of-an-unusual-case-of-tuberculous-osteomyelitis-causing-spontaneous-pathological-fracture-of-humerus-in-a-middle-aged-female
#17
Umesh Birole, Ashish Ranade, Mahesh Mone
INTRODUCTION: Tuberculosis is a major health problem worldwide. Extrapulmonary tuberculosis is often secondary to some primary foci in lungs. There are reports of tuberculous osteomyelitis involving maxilla, ulna, femur, and shoulder joint but none have reported pathological fracture in humeral diaphysis due to tuberculosis osteomyelitis without shoulder joint involvement. We report a case of pathological fracture of humerus diaphysis due to tuberculous osteomyelitis with normal articular space...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28626630/arthroscopic-removal-of-proximal-humerus-plates-in-chronic-post-traumatic-shoulder-stiffness
#18
Deepak N Bhatia
Proximal humerus fracture fixation may be complicated by persistent postsurgical stiffness or implant-related problems. Arthroscopic plate removal is a cosmetic and functionally beneficial procedure; however, the procedure is technically difficult in the presence of severe subdeltoid scarring. The technique described here shows an arthroscopic subdeltoid adhesiolysis and proximal humerus plate removal using systematic access to 5 regions of screw positions on the plate. After initial glenohumeral adhesiolysis, a thorough subacromial and subdeltoid bursectomy is performed...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28607872/vascularized-fibula-based-physis-transfer-a-follow-up-study-of-longitudinal-bone-growth-and-complications
#19
Ronnie L Shammas, Yash J Avashia, Alfredo E Farjat, Anthony A Catanzano, L Scott Levin, William C Eward, Brian E Brigman, Detlev Erdmann
BACKGROUND: The vascularized free fibula epiphyseal transfer provides an option for the preservation of limb lengthening after resection of the proximal humerus in pediatric sarcoma patients. The purpose of this study was to provide a long-term follow-up of longitudinal growth patterns and outcomes after free fibula epiphyseal transfer in upper extremity reconstruction. METHODS: A retrospective review of 4 patients who underwent free fibula epiphyseal transfer after oncologic resection of the proximal humerus for osteosarcoma was performed...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28601085/validity-of-humerus-fracture-classification-in-the-swedish-fracture-register
#20
David Wennergren, Stina Stjernström, Michael Möller, Mikael Sundfeldt, Carl Ekholm
BACKGROUND: The ability to correctly classify fractures is of importance for choosing the appropriate treatment and for providing appropriate data for research and quality registers. In the Swedish Fracture Register (SFR) fractures of all types are registered by the attending physician, often a junior doctor. For the majority of fractures, a modified AO/OTA classification is used. This study aimed to validate the accuracy of classification of humerus fractures in the SFR and also at providing insight into inherent classification uncertainties...
June 10, 2017: BMC Musculoskeletal Disorders
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