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https://www.readbyqxmd.com/read/28795018/in-vivo-fluoroscopic-kinematography-of-dynamic-radio-ulnar-incongruence-in-dogs
#1
Thomas Rohwedder, Martin Fischer, Böttcher Peter
Aim of the study was to investigate dynamic radio-ulnar incongruence (dRUI) in the canine elbow joint comparing orthopedic healthy and dysplastic dogs in a prospective in vivo study design. In 6 orthopedic sound elbow joints (5 dogs, median age 17 months & mean body weight 27.9 kg) and 7 elbow joints with medial coronoid disease (6 dogs, median age 17.5 months & mean body weight 27.6 kg) 0.8 mm Ø tantalum beads were surgically implanted into radius, ulna and humerus for dynamic radiosteriometric analysis (RSA) using high-speed biplanar fluoroscopy with the dogs walking on a treadmill...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28776630/metal-allergy-as-a-cause-of-implant-failure-in-shoulder-arthroplasty
#2
Jia-Wei Kevin Ko, Thema A Nicholson, C Edward Hoffler, Gerald Williams, Charles Getz
Metal allergy is an uncommon and poorly understood cause of failure of orthopedic implants. To the authors' knowledge, there have been no reports of the management of shoulder arthroplasty patients with metal allergy. The authors present their experience with the diagnosis and management of patients with metal allergy. Patients with metal allergy undergoing shoulder arthroplasty were identified through retrospective chart review from January 1, 2012, to January 31, 2015. Case characteristics collected included patient risk factors (age, sex, prior cutaneous reactions to metal), metal allergy factors (type of metal allergy, method of diagnosis), and surgery factors (implant type, primary/revision, type of shoulder arthroplasty)...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28760123/is-locked-compressive-intramedullary-nailing-for-adult-humerus-shaft-fractures-advantageous
#3
Fatih Duygun, Cengiz Aldemir
OBJECTIVES: This study aims to evaluate the radiological and functional outcomes of locked compressive intramedullary nailing (IMN) cases in adult humerus shaft fractures. PATIENTS AND METHODS: A total of 24 patients (12 males, 12 females; mean age 42 years; range 23 to 55 years) with humerus fractures were treated with locked compressive IMN at the Orthopedics and Traumatology Clinic, Antalya Training and Research Hospital between December 2009 and March 2015. Fluoroscopy was used only to check fracture reduction before the reaming procedure...
August 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28749050/-please-amputate-my-child-s-arms
#4
Mary Devereaux, Dennis John Kuo
Jeremy sustained bilateral complete brachial plexus injuries in an auto collision on an icy road a month before his third birthday. The accident rendered both upper extremities completely flail and insensate: he has no motor or sensory function of his shoulders, elbows, wrists, or digits. Jeremy does, however, have normal function of the lower extremities. Physical therapists have worked with the child for over a year with no noted improvement in arm function. Jeremy falls frequently, causing injury to his face and head, and occasionally, his arms get twisted or caught in his crib and his fingers turn blue...
July 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28747275/classifying-glenohumeral-synovitis-a-novel-intraoperative-scoring-system
#5
Daniel E Davis, Mitchell Maltenfort, Joseph A Abboud, Charles Getz
BACKGROUND: Synovitis of the shoulder is a common entity that is poorly described. This study aims to create a simple and reliable classification system for glenohumeral synovitis, which would benefit further research related to synovitis and outcomes. METHODS: Twenty 30-second shoulder arthroscopy videos were distributed to 19 fellowship-trained orthopedic surgeons. The observers responded with their years in practice, fellowship type, whether synovitis affects outcomes, and whether synovitis affects plans...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28718317/hand-surgeons-and-orthopedic-trauma-surgeons-call-coverage-of-acute-upper-extremity-injuries-where-should-the-line-be-drawn
#6
Matthew B Cantlon, Andrew J Miller, Asif M Ilyas
BACKGROUND: There is a lack of consensus as to which subspecialty service should cover acute upper extremity injuries in the emergency department (ED). The purpose of the present study is to understand how upper extremity injuries are currently triaged to specialists and to assess the current opinion among hand and orthopedic trauma specialists as to how these injuries should be best triaged based on injury location and severity. METHODS: The American Association for Hand Surgery (AAHS) membership and Orthopaedic Trauma Association (OTA) membership were surveyed using a 28-item online questionnaire...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28713525/orthopedic-in-training-examination-question-metrics-and-resident-test-performance
#7
John Mason DePasse, Jack Haglin, Adam E M Eltorai, Mary K Mulcahey, Craig P Eberson, Alan H Daniels
First administered in November 1963, the orthopedic in-training examination (OITE) is now distributed to more than 4000 residents in over 20 countries and has become important for evaluation of resident fund of knowledge. Several studies have assessed the effect of didactic programs on resident performance, but only recently has it become possible to assess detailed testtaking metrics such as time spent per question. Here, we report the first assessment of resident OITE performance utilizing this full electronic dataset from two large academic institutions...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28709794/performance-of-patient-reported-outcomes-measurement-information-system-promis-upper-extremity-ue-versus-physical-function-pf-computer-adaptive-tests-cats-in-upper-extremity-clinics
#8
Casey M Beleckas, Alex Padovano, Jason Guattery, Aaron M Chamberlain, Jay D Keener, Ryan P Calfee
PURPOSE: To examine the performance of the Patient-Reported Outcomes Measurement Information System (PROMIS) Upper Extremity (UE) Function Computer Adaptive Test (CAT) relative to the PROMIS Physical Function (PF) CAT in patients seeking specialty care for upper extremity conditions. METHODS: This observational trial analyzed prospectively collected PROMIS UE and PF CAT scores from 5,202 adult patients with 10,344 outpatient clinic visits presenting to a tertiary orthopedic clinic...
July 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28700413/venous-thromboembolism-after-major-venous-injuries-competing-priorities
#9
Brian Frank, Zoё Maher, Joshua P Hazelton, Shelby Resnick, Elizabeth Dauer, Anna Goldenberg, Andrea L Lubitz, Brian P Smith, Noelle N Saillant, Patrick M Reilly, Mark J Seamon
BACKGROUND: Venous thromboembolism (VTE) after major vascular injury (MVI) is particularly challenging as the competing risk of thrombosis and embolization after direct vessel injury must be balanced with risk of bleeding after surgical repair. We hypothesized that venous injuries, repair type and intraoperative anticoagulation would influence VTE formation after MVI. METHODS: A multi-institution, retrospective cohort study of consecutive MVI patients was conducted at 3 urban, level-I centers (2005-2013)...
July 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28684231/mid-term-to-long-term-outcome-of-the-open-bankart-repair-for-recurrent-traumatic-anterior-dislocation-of-the-shoulder
#10
Robert J Neviaser, Michael T Benke, Andrew S Neviaser
BACKGROUND: The purpose of this study was to assess the long-term outcome of the open Bankart repair for traumatic, recurrent anterior dislocation of the shoulder by evaluation of recurrence, range of motion, return to sports, arthritis, patient satisfaction, and outcome measures. METHODS: Of 162 patients, 127 patients (mean age, 31 years) were evaluated at a mean follow-up of 17.1 years (5-24) after undergoing an open Bankart repair using suture anchors. An independent orthopedic surgeon obtained a history and examined each for range of motion...
July 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28660004/management-of-recent-elbow-dislocations-functional-treatment-versus-immobilization-a-prospective-study-about-60-cases
#11
Ndeye Fatou Coulibaly, Niane Mouhamadou Moustapha, Hamadi Hadji Djoumoi, Sarr Lamine, Gueye Alioune Badara, Sane André Daniel
OBJECTIVE: To determine our therapeutic posture trough a comparison of functional treatment results versus immobilization in two different periods. INTRODUCTION: For years, the treatment of recent elbow dislocations consisted of reduction and immobilization during 21 days. Given the frequency of stiffness other methods have been tried out. METHOD: A prospective study was carried out from January 2010 to December 2014. Sixty patients averaging 28...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28625096/surgical-technique-and-early-outcomes-of-intramedullary-nailing-of-displaced-proximal-humeral-fractures-in-an-asian-population-using-a-contemporary-straight-nail-design
#12
Toon Dong Hao, Andy Wee Teck Huat
BACKGROUND: Despite being a common orthopedic injury, the optimal management of proximal humeral fractures remains a topic of debate. Although intramedullary nails have been used to treat these fractures, several complications have been reported with older nail devices. We describe our surgical technique and aim to evaluate the early functional and radiological outcomes of displaced Neer's two- to four-part proximal humeral fractures undergoing fixation with a contemporary straight intramedullary nail...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28614352/a-novel-iterative-mixed-model-to-remap-three-complex-orthopedic-traits-in-dogs
#13
Meng Huang, Jessica J Hayward, Elizabeth Corey, Susan J Garrison, Gabriela R Wagner, Ursula Krotscheck, Kei Hayashi, Peter A Schweitzer, George Lust, Adam R Boyko, Rory J Todhunter
Hip dysplasia (HD), elbow dysplasia (ED), and rupture of the cranial (anterior) cruciate ligament (RCCL) are the most common complex orthopedic traits of dogs and all result in debilitating osteoarthritis. We reanalyzed previously reported data: the Norberg angle (a quantitative measure of HD) in 921 dogs, ED in 113 cases and 633 controls, and RCCL in 271 cases and 399 controls and their genotypes at ~185,000 single nucleotide polymorphisms. A novel fixed and random model with a circulating probability unification (FarmCPU) function, with marker-based principal components and a kinship matrix to correct for population stratification, was used...
2017: PloS One
https://www.readbyqxmd.com/read/28606638/retrospective-cohort-study-on-radial-head-replacements-comparing-results-between-smooth-and-porous-stem-designs
#14
Mélissa Laflamme, Pierre-Philippe Grenier-Gauthier, Alexandre Leclerc, Stéphanie Antoniades, Anne-Marie Bédard
BACKGROUND: When necessary, radial head integrity after a fracture can be re-created by the use of a radial head arthroplasty if the radial head is judged irreparable. The purpose of this study was to compare the clinical and radiographic outcomes of metal modular radial head replacements with a smooth vs. a porous stem. METHODS: A retrospective cohort study of radial head replacements performed in the first 4 weeks after a trauma in an adult patient at our institution between 2000 and 2014 was completed...
August 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28585999/treatment-of-a-pediatric-t-type-intercondylar-humerus-fracture-with-hybrid-percutaneous-pinning-and-external-fixation
#15
D Alex Stroh, Brian T Sullivan, Brett A Shannon, Paul D Sponseller
T-type intercondylar fractures of the distal humerus are rare injuries in skeletally immature patients. Few studies are available to guide the treatment of these injuries. Small case series and expert recommendations suggest superiority of the open approach for direct reduction of the articular surface. This approach poses risks of vascular compromise and elbow stiffness. However, success with percutaneous intercondylar screw fixation has been described for simple split patterns. The authors present a case that illustrates a novel percutaneous technique to treat this fracture type...
June 6, 2017: Orthopedics
https://www.readbyqxmd.com/read/28567227/measurement-methods-for-humeral-retroversion-using-two-dimensional-computed-tomography-scans-which-is-most-concordant-with-the-standard-method
#16
Joo Han Oh, Woo Kim, Angel A Cayetano
BACKGROUND: Humeral retroversion is variable among individuals, and there are several measurement methods. This study was conducted to compare the concordance and reliability between the standard method and 5 other measurement methods on two-dimensional (2D) computed tomography (CT) scans. METHODS: CT scans from 21 patients who underwent shoulder arthroplasty (19 women and 2 men; mean age, 70.1 years [range, 42 to 81 years]) were analyzed. The elbow transepicondylar axis was used as a distal reference...
June 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28560045/correlation-of-neuter-status-and-expression-of-heritable-disorders
#17
Janelle M Belanger, Thomas P Bellumori, Danika L Bannasch, Thomas R Famula, Anita M Oberbauer
BACKGROUND: Gonadectomy, or neutering, is a very common surgery for dogs having many positive effects on behavior, health, and longevity. There are also certain risks associated with neutering including the development of orthopedic conditions, cognitive decline, and a predisposition to some neoplasias. This study was designed specifically to identify if a correlation exists between neuter status and inherited conditions in a large aggregate cohort of dogs representing many different breeds...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28504808/outcome-of-reverse-shoulder-arthroplasty-for-patients-with-parkinson-s-disease-a-matched-cohort-study
#18
Michael C Cusick, Randall J Otto, Rachel E Clark, Mark A Frankle
Parkinson's disease (PD) is a progressive neurologic disorder that affects the musculoskeletal system. Currently, the use of reverse shoulder arthroplasty (RSA) for patients with PD has not been adequately studied. The authors sought to determine if RSA provided similar functional outcomes for patients with PD compared with a matched cohort of patients without PD. Between 2004 and 2011, 10 patients with PD (4 men, 6 women) underwent RSA. Patients with PD were matched to patients without PD at a 1:4 ratio based on age (average, 76 years; range, 63-85 years), sex (16 men, 24 women), preoperative diagnosis, and length of follow-up (average, 43 months; range, 24-128 months)...
July 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/28491453/surgical-management-of-medial-humeral-epicondylitis-cubital-synovial-osteochondromatosis-and-humeroradial-subluxation-in-a-cat
#19
Karen L Perry
CASE SUMMARY: A 13-year-old domestic shorthair cat presented for evaluation of pain and difficulty ambulating. Orthopedic examination and CT facilitated a diagnosis of bilateral elbow synovial osteochondromatosis with medial humeral epicondylitis and concurrent osteoarthritis. Right humeroradial subluxation was evident on CT images, but no instability was evident preoperatively. Surgical treatment was elected, including external neurolysis of the ulnar nerve, removal of the areas of mineralization within the flexor carpi ulnaris muscle and medial arthrotomy to remove intra-articular mineralized bodies...
January 2017: JFMS open reports
https://www.readbyqxmd.com/read/28481385/an-assessment-of-the-safety-of-an-orthopedic-specialty-hospital-a-5-year-experience
#20
Eric M Padegimas, Matthew L Ramsey, Matthew Austin, Javad Parvizi, Gerald R Williams, Kelly Doyle, Michael E West, Richard H Rothman, Alexander R Vaccaro, Surena Namdari
One of the goals of orthopedic specialty hospitals is to provide safe and efficient care to medically optimized patients. The authors' orthopedic specialty hospital is a physician-owned, 24-bed facility that accommodates a multispecialty orthopedic practice in the areas of spine, hip and knee arthroplasty, shoulder and elbow, sports, foot and ankle, and hand surgery. The purpose of this study was to examine the first 5 years of an institutional experience with an orthopedic specialty hospital and to determine if any procedures were at increased risk of postoperative transfer...
July 1, 2017: Orthopedics
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