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https://www.readbyqxmd.com/read/27918696/validation-of-inertial-measurement-units-for-upper-body-kinematics
#1
Melissa M B Morrow, Bethany Lowndes, Emma Fortune, Kenton R Kaufman, Susan Hallbeck
The purpose of this study was to validate a commercially available IMU system against a standard lab-based motion capture system for the measurement of shoulder elevation, elbow flexion, trunk flexion/extension and neck flexion/extension kinematics. The validation analyses were applied to six surgical faculty members performing a standard, simulated surgical training task that mimics minimally invasive surgery. Three-dimensional joint kinematics were simultaneously recorded by an optical motion capture system and an IMU system with six sensors placed on the head, chest, and bilateral upper and lower arms...
December 5, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27914843/hemiarthroplasty-for-the-treatment-of-distal-humeral-fractures-midterm-clinical-results
#2
Mark Schultzel, Karl Scheidt, Christopher C Klein, Steven J Narvy, Brian K Lee, John M Itamura
BACKGROUND: Total elbow arthroplasty is a treatment for unreconstructable distal humeral fractures; however, longevity of the implant remains a concern in younger, more active patients. Distal humeral hemiarthroplasty (DHH) offers an alternative with multiple advantages. METHODS: This is a retrospective study of 10 patients who underwent DHH for distal humeral fractures during a 4-year period (2008-2012) by a single surgeon. Patients underwent testing of range of motion, Mayo Elbow Performance Score, Disabilities of Arm, Shoulder and Hand, visual analog scale, Single Assessment Numeric Evaluation, and American Shoulder and Elbow Surgeons scores...
November 30, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27914660/radiographic-and-clinical-results-of-tension-suture-fixation-using-two-washers-with-philos-plate-for-proximal-humeral-fractures
#3
Chul-Hyun Cho, Du Han Kim, Beom-Soo Kim
INTRODUCTION: The purpose of this study was to evaluate the radiographic and clinical results of tension suture fixation using two washers with PHILOS plate (Synthes, West Chester, PA, USA) for proximal humeral fractures. PATIENTS AND METHODS: Consecutive 39 patients were included and divided into two groups of adequate and inadequate medial support (MS (+) group vs MS (-) group). The mean follow-up period was 45months (range: 26-69 months). The mean age at the time of surgery was 59 years (range: 17-86 years) and there were 12 men and 27 women...
November 28, 2016: Injury
https://www.readbyqxmd.com/read/27904798/functional-outcomes-after-distal-biceps-brachii-repair-a-case-series
#4
Christine L Redmond, Tim Morris, Charissa Otto, Tanisha Zerella, John G Semmler, Taaibos Human, Joideep Phadnis, Gregory I Bain
OBJECTIVES: To investigate outcomes after surgical repair of distal biceps tendon rupture and the influence of arm dominance on isokinetic flexion and supination results. BACKGROUND/PURPOSE: While relatively uncommon, rupture of the distal biceps tendon can result in significant strength deficits, for which surgical repair is recommended. The purpose of this study was to assess patient reported functional outcomes and muscle performance following surgery. METHODS: A sample of 23 participants (22 males, 1 female), who had previously undergone surgical repair of the distal biceps tendon, were re-examined at a minimum of one year after surgery...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27904727/influence-of-early-bisphosphonate-administration-for-fracture-healing-in-patients-with-osteoporotic-proximal-humerus-fractures
#5
Joong-Bae Seo, Jae-Sung Yoo, Jee-Won Ryu, Kun-Woong Yu
BACKGROUND: Bisphosphonates are generally known to adversely affect fracture healing because they inhibit osteoclastic bone resorption. However, some authors argue that bisphosphonates have no adverse effect on the restoration of the mechanical integrity of long bones after fractures. It is unclear whether bisphosphonates can be initiated safely in patients with acute proximal humerus fractures. The aim of this study was to determine whether the early use of a bisphosphonate affects healing and outcomes of osteoporotic proximal humerus fractures treated with a locking compression plate...
December 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27900709/double-locking-precontoured-plating-system-for-malunited-fractures-of-the-distal-end-of-humerus
#6
L Tarallo, R Mugnai, M Rocchi, C Rovesta, F Catani
BACKGROUND: Distal humeral malunions are uncommon injuries, often associated with limited elbow motion, pain, instability, weakness, and sometimes ulnar neuritis. The complex anatomy of the elbow joint makes this condition one of the most complex elbow injuries to treat. MATERIALS AND METHODS: Four patients were treated by the same surgeon between 2011 and 2013 using a double-locking precontoured plating system for malunited intra-articular or extra-articular fractures of the distal end of the humerus...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900707/fluoroscopy-guided-biodegradable-spacer-implantation-using-local-anesthesia-safety-and-efficacy-study-in-patients-with-massive-rotator-cuff-tears
#7
E Gervasi, E Maman, A Dekel, E Cautero
BACKGROUND: The management of massive rotator cuff tears (MRCTs) is challenging and associated with a high failure rates. Studies have shown that advanced age, lower American Society of Anesthesiologists physical status score and concomitant comorbidities are associated with higher risks of death and postoperative complications. This study was designed to assess the safety and efficacy of fluoroscopy-guided biodegradable spacer implantation under local anesthesia, in patients with MRCT and comorbidities completely or partially contraindicating surgeries under general anesthesia...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900701/elbow-instability-are-we-able-to-classify-it-review-of-the-literature-and-proposal-of-an-all-inclusive-classification-system
#8
REVIEW
A Marinelli, E Guerra, R Rotini
BACKGROUND: In the recent years, considerable improvements have come in biomechanical knowledge about the role of elbow stabilizers. In particular, the complex interactions among the different stabilizers when injured at the same time have been better understood. Anyway, uncertainties about both nomenclature and classification still exist in the definition of the different patterns of instability. MATERIAL AND METHODS: The authors examine the literature of the last 130 years about elbow instability classification, analyzing the intuitions and the value of each of them...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900699/the-anconeus-triceps-lateral-flap-approach-for-total-elbow-arthroplasty-in-rheumatoid-arthritis
#9
A Celli, P Bonucci
BACKGROUND: The posterior approaches to the elbow are considered as to allow an excellent joint exposure for total elbow arthroplasty. One complication that is well recognized is the insufficiency of the extensor mechanism in particular with the patients with poor tendon quality as in the rheumatoid diseases. The purpose of this paper is to present a new triceps-splitting exposure for total elbow arthroplasty used in rheumatoid patients with their preliminary results. METHODS: Fifteen consecutive patients with rheumatoid disease at grades III to V of the Larsen grading scale underwent total elbow replacement using the new triceps-splitting exposure called anconeus-triceps lateral flap and it preserves the integrity of the medial proper triceps tendon...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900307/arthroscopic-fixation-of-coronoid-process-fractures-through-coronoid-tunnelling-and-capsular-plication
#10
Paolo Arrigoni, Riccardo D'Ambrosi, Davide Cucchi, Simone Nicoletti, Enrico Guerra
PURPOSE: the purpose of this study is to describe a new arthroscopic technique for reduction and fixation of coronoid process fractures (CPFs) and report clinical and functional results in 4 patients after a 24-month follow-up. METHODS: four patients underwent arthroscopic reduction and fixation of isolated CPFs (acute or non-unions, type I or type II according to the Regan-Morrey classification) performed using a new technique based on coronoid tunnelling and capsular plication...
July 2016: Joints
https://www.readbyqxmd.com/read/27896290/do-clinical-results-and-return-to-sport-rates-after-ulnar-collateral-ligament-reconstruction-differ-based-on-graft-choice-and-surgical-technique
#11
Brandon J Erickson, Gregory L Cvetanovich, Rachel M Frank, Bernard R Bach, Mark S Cohen, Charles A Bush-Joseph, Brian J Cole, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament reconstruction (UCLR) has become a common procedure performed in overhead-throwing athletes of many athletic levels. PURPOSE/HYPOTHESIS: The purpose of this study was to determine whether clinical outcomes and return-to-sport (RTS) rates differ among patients undergoing UCLR based on graft choice, surgical technique, athletic competition level, handedness, and treatment of the ulnar nerve. We hypothesized that no differences would exist in clinical outcomes or RTS rates between technique, graft choice, or other variables...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27894385/-effect-of-expanded-lateral-thoracic-abdominal-flap-transferred-with-pedicle-on-repairing-large-area-of-hypertrophic-scar-after-burn-of-the-upper-extremity
#12
C D Xia, J D Xue, H P Di, J L Niu, X L Li, D Y Cao, Q Li, X H Niu
Objective: To observe the effect of expanded lateral thoracic abdominal flap transferred with pedicle on repairing large area of hypertrophic scar after burn of the upper extremity. Methods: Twelve patients with large area of secondary hypertrophic scar 8 month to 3 years after healing of burn wound on the upper extremity were hospitalized in Zhengzhou First People's Hospital from October 2008 to October 2015, with scar area ranging from 11 cm×7 cm to 20 cm×10 cm. Five patients were with limited straightening and bending of elbow...
November 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/27892398/therapy-resistant-septic-olecranon-bursitis-due-to-mycobacterium-gordonae
#13
Christian Konrads, Kilian Rückl, Mohammed El Tabbakh, Maximilian Rudert, Stefan Kircher, Piet Plumhoff
INTRODUCTION: Septic olecranon bursitis due to atypical mycobacteria is rare. An insidious beginning can delay diagnosis and treatment. Antibacterial therapy recommendations are not well-defined for bursitis caused by atypical mycobacteria. We present a rare case of olecranon bursitis caused by Mycobacterium gordonae, reporting our experiences regarding pathogen identification and antibiotic therapy, which differs from regimes used in common septic bursitis mostly caused by staphylococcus aureus...
2016: SICOT-J
https://www.readbyqxmd.com/read/27887874/clinical-and-radiographic-outcome-of-revision-surgery-of-radial-head-prostheses-midterm-results-in-16-patients
#14
Jetske Viveen, Izaäk F Kodde, Koen L M Koenraadt, Annechien Beumer, Bertram The, Denise Eygendaal
BACKGROUND: Little is known about revision surgery of radial head arthroplasty. The aim of this study was to report on the clinical and radiographic outcome of revision arthroplasty of the elbow with a bipolar metallic radial head prosthesis. METHODS: Between 2006 and 2013, we used either a press-fit or cemented RHS bipolar radial head prosthesis for revision surgery of radial head arthroplasty in 16 patients. Patients were prospectively enrolled in the study. Differences in outcome parameters before and after revision surgery were compared...
November 22, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27881294/comparison-of-outcomes-with-arthroscopic-repair-of-acute-on-chronic-within-6-months-and-chronic-rotator-cuff-tears
#15
Jeung Yeol Jeong, Seung Yeop Song, Jae Chul Yoo, Keun Min Park, Sang Min Lee
BACKGROUND: The purpose of this study was to define preoperative and intraoperative findings of acute-on-chronic rotator cuff tears (RCTs). This study also compared the functional and clinical outcomes with acute-on-chronic RCTs and chronic RCTs. METHODS: This study was conducted between December 2007 and December 2013. An acute-on-chronic full-thickness RCT was diagnosed with preoperative and intraoperative findings on arthroscopy. The study group consisted of 36 patients with preoperative and intraoperative findings (surgery performed within 6 months of trauma) indicative of an acute-on-chronic RCT...
November 21, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27869628/what-s-new-in-shoulder-and-elbow-surgery
#16
REVIEW
Aaron M Chamberlain, Surena Namdari, Jay D Keener
No abstract text is available yet for this article.
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27869626/primary-linked-semiconstrained-total-elbow-arthroplasty-for-rheumatoid-arthritis-a-single-institution-experience-with-461-elbows-over-three-decades
#17
Joaquin Sanchez-Sotelo, Yaser M K Baghdadi, Bernard F Morrey
BACKGROUND: Elbow arthroplasty is the treatment of choice for end-stage rheumatoid arthritis (RA). The purpose of this study was to determine the long-term outcome of a linked semiconstrained elbow arthroplasty implant design in patients with RA. METHODS: Between 1982 and 2006, 461 primary total elbow arthroplasties using the Coonrad-Morrey prosthesis were performed in 387 patients with RA. Fifty-five of the arthroplasties were performed to treat concurrent traumatic or posttraumatic conditions...
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27865216/establishing-the-role-of-unlinked-total-elbow-arthroplasty-in-low-demand-patients-a-long-term-follow-up-study
#18
Sara Machado, Isabel Almeida Pinto, Rui Pinto, Paulo Ribeiro de Oliveira
INTRODUCTION: Experience with total elbow arthroplasty is scarce in most centers. It seems to have a significant rate of associated complications. Most studies are based on non-validated outcome measures and short-term results. MATERIAL AND METHODS: We selected patients undergoing unlinked total elbow arthroplasty, with a resultant sample of thirteen cases, with a mean postoperative follow-up of 72 months. We applied the Mayo Elbow Score and all patients underwent an X-ray study, prior to surgery and during the follow-up period...
June 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27858838/a-case-report-of-children-s-divergent-dislocation-of-the-elbow-and-review-of-literature
#19
Yongtao Wu, Hai Jiang, Wusheng Miao
BACKGROUND: The divergent dislocation of the elbow is not common in children, and the imaging is difficult and challenging. This often leads to misdiagnosis or inappropriate treatment. The literature has reported a total of 19 cases currently. METHODS: A 10-year-old girl with divergent dislocation of the elbow was admitted in our department in November 2013. When playing basketball, her right elbow was injured on the concrete floor. After injury, her right elbow joint became severely swollen, with obvious deformity...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27852916/the-2015-aoa-north-american-traveling-fellowship
#20
REVIEW
Addisu Mesfin, Xinning Li, Jonathan F Dickens, Bashar Alolabi, Anna N Miller
The North American Traveling Fellowship (NATF) is one of the flagship tours of the American Orthopaedic Association (AOA). NATF is geared toward advancing the careers of young orthopaedic surgeons through the promotion of clinical, scientific, and social exchange. The 2015 tour had a major emphasis on the development of leadership in the field of orthopaedics through close interactions and meetings with departmental chairs and administrators, as well as with hospital and medical school leaders. The 2015 NATF tour was in the Midwest corridor of Canada and the United States...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
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