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https://www.readbyqxmd.com/read/29779978/biomechanical-evaluation-of-cable-and-suture-cerclages-for-tuberosity-reattachment-in-a-4-part-proximal-humeral-fracture-model-treated-with-reverse-shoulder-arthroplasty
#1
Dominik Knierzinger, Christian H Heinrichs, Clemens Hengg, Marko Konschake, Franz Kralinger, Werner Schmoelz
BACKGROUND: Sufficient tuberosity fixation in proximal humeral fractures treated with shoulder arthroplasty is essential to gain a good clinical outcome. This biomechanical study evaluated the strength of the reattached tuberosities in reverse total shoulder arthroplasty fixed with cables or with sutures in a cerclage-like technique. Considering the mechanical advantages of flexible titanium alloy cables compared with conventional sutures for cerclage-like fixations, we hypothesized that titanium alloy cables would achieve higher fixation strengths of the tuberosities compared with heavy nonabsorbable sutures...
May 17, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29762195/functional-outcomes-and-complications-after-oncologic-reconstruction-of-the-proximal-humerus
#2
Sjoerd Nota, Teun Teunis, Joost Kortlever, Marco Ferrone, John Ready, Mark Gebhardt, Kevin Raskin, Francis Hornicek, Joseph Schwab, Santiago Lozano Calderon
BACKGROUND: No consensus exists on the best method of articular reconstruction in patients who require proximal humerus resection for the management of primary bone sarcomas, soft-tissue sarcomas extending into the bone, benign and locally aggressive primary bone tumors, and metastatic disease. METHODS: We identified patients from two institutions who underwent wide resection of the proximal humerus along with oncologic reconstruction using osteoarticular allografts (OAs), endoprostheses, or allograft-prosthesis composites...
June 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29736917/use-of-cancellous-bone-grafting-to-promote-granulation-tissue-in-a-distal-limb-wound-in-a-dog
#3
K Barnes, O Lanz, S Barry, K Aulakh
A 5-year-old female spayed Shetland sheepdog presented for evaluation of bandage sores on the left pelvic limb after a splint was placed to stabilise a digit fracture incurred approximately 2 weeks previously. Multiple areas of necrosis were identified upon bandage removal. After debridement of devitalised tissue, a 4 cm wound on the plantar surface of the metatarsal bones (with exposed bone and tendons) remained. The Papineau technique (which involves removal of infected or necrotic tissue, placement of autogenous cancellous bone graft within a wound, and delayed skin closure) was used to treat this wound...
May 7, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29728330/validated-computational-framework-for-efficient-systematic-evaluation-of-osteoporotic-fracture-fixation-in-the-proximal-humerus
#4
Peter Varga, Jason A Inzana, Boyko Gueorguiev, Norbert P Südkamp, Markus Windolf
The high rate of fixation failure in osteoporotic proximal humerus fractures indicate the need for improved solutions. Computer simulations may help to overcome the limitations of the gold standard biomechanical testing in evaluating the performance of new implants and enhance the effectivity and outcome of the design process. This study presents a framework for automated computational analysis that facilitates efficient and systematic evaluation of proximal humerus fracture plating under a variety of conditions including bone quality, fracture pattern, implant configuration and loading regime...
May 1, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29727900/diagnosis-and-treatment-of-infraspinatus-tendon-bursa-ossification-in-a-eurasian-dog
#5
Julia Ungru, Stephan Hungerbühler, Wolfgang Henninger, Petra Klupiec, Julia Bödeker, Anna Langer, Michael Fehr, Oliver Harms
A 4-year-old male Eurasian Dog presented at our veterinary clinic with a history of perpetual forelimb lameness in both thoracic limbs. In the clinical exploration, direct pressure over the infraspinatus tendon of insertion caused pain in both thoracic forelimbs and a firm band-like structure was palpable. No improvement was observed after treatment with rest, non-steroidal anti-inflammatory drugs and an intralesional injection of a long-acting glucocorticoid. Radiographic examination, ultrasonographic exploration and computed tomography were performed, identifying ossified structures lateral to the proximal humerus and an irregular roughened periosteum at the insertion and tendon of the infraspinatus muscle on both sides...
April 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29725711/metachronous-multicentric-giant-cell-tumour-of-bone
#6
Navatha Vangala, Shantveer G Uppin, Sobiya Mehnaz Ayesha, K R Harshavardhana, P Chandrasekhar
Metachronous multicentric giant cell tumour (GCT) of bone is rare. We report a case of a 21-year-old man with metachronous multicentric GCTs, with five (including one recurrence) documented lesions reported over a span of 9 years involving various sites, which included the fifth metacarpal bone of the right hand, the intermediate cuneiform bone of the right foot, the left proximal humerus and the lateral malleolus of the right tibia. The radiological appearance of these lesions in these various sites with correlation among clinical history, histopathology and the treatment approach is described in this report...
May 3, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29725515/a-limb-threatening-long-arterial-dissection-caused-by-humerus-neck-fracture-a-case-report
#7
R Kurnaz, M Ikizler, M Ozbayburtlu, T Gunes
Proximal humerus fracture is a common arm trauma and rarely occurs with vascular injury which however is a serious complication. In this case report, we present a long segment dissection of the axillary and brachial arteries as a rare complication due to fragmented proximal humerus fracture and shoulder dislocation. An 80-year old female patient was seen at the emergency department. Radiograph examination has revealed a fragmented proximal humerus fracture besides dislocation of the head of humerus towards the axillary area...
March 2018: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29724420/acr-appropriateness-criteria-%C3%A2-shoulder-pain-traumatic
#8
Behrang Amini, Nicholas M Beckmann, Francesca D Beaman, Daniel E Wessell, Stephanie A Bernard, R Carter Cassidy, Gregory J Czuczman, Jennifer L Demertzis, Bennett S Greenspan, Bharti Khurana, Kenneth S Lee, Leon Lenchik, Kambiz Motamedi, Akash Sharma, Eric A Walker, Mark J Kransdorf
Traumatic shoulder pain is pain directly attributed to a traumatic event, either acute or chronic. This pain may be the result of either fracture (the clavicle, scapula, or proximal humerus) or soft-tissue injury (most commonly of the rotator cuff, acromioclavicular ligaments, or labroligamentous complex). Imaging assessment of traumatic shoulder pain begins with conventional radiography and, depending on physical examination findings, will require MRI or MR arthrography for assessment of soft-tissue injuries and CT for delineation of fracture planes...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29719012/proximal-humerus-fracture-3-d-modeling
#9
Krishn Khanna, Eugene W Brabston, Usama Qayyum, Thomas R Gardner, William N Levine, Charles M Jobin, Christopher S Ahmad
The objective of this study is to determine the reproducibility and feasibility of using 3-dimensional (3-D) computer simulation of proximal humerus fracture computed tomography (CT) scans for fracture reduction. We hypothesized that anatomic reconstruction with 3-D models would be anatomically accurate and reproducible. Preoperative CT scans of 28 patients with 3- and 4-part (AO classification 11-B1, 11-B2, 11-C1, 11-C2) proximal humerus fractures who were treated by hemiarthroplasty were converted into 3-D computer models...
April 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29713193/supracondylar-process-syndrome-two-cases-of-median-nerve-neuropathy-due-to-compression-by-the-ligament-of-struthers
#10
Hyun-Chul Shon, Ji-Kang Park, Dong-Soo Kim, Sang-Woo Kang, Kook-Jong Kim, Seok-Hyun Hong
The supracondylar process is a beak-shaped bony process on the anteromedial aspect of the distal humerus. The ligament of Struthers is a fibrous band extending from the tip of the process to the medial epicondyle. The median nerve and brachial artery pass under the ligament of Struthers and consequently can be compressed, causing supracondylar process syndrome. As a rare cause of proximal median nerve entrapment, supracondylar process syndrome is triggered when the median nerve is located in the superficial or deep layer of the ligament of Struthers as a result of anatomical variation...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29707048/inpatient-surgical-treatment-of-paediatric-proximal-humerus-fractures-between-2000-and-2012
#11
A I Cruz, J E Kleiner, J A Gil, A D Goodman, A H Daniels, C P Eberson
Purpose: To estimate the rate of surgical treatment of paediatric proximal humerus fractures over time utilizing a large, publicly available national database. Methods: The Healthcare Cost and Utilization Project Kids' Inpatient Database was evaluated between the years 2000 and 2012. Proximal humerus fractures were identified using International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9 CM) diagnosis codes. ICD-9 CM procedure codes were used to identify patients who received surgical treatment...
April 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29703680/the-greater-tuberosity-angle-a-new-predictor-for-rotator-cuff-tear
#12
Gregory Cunningham, Emilie Nicodème-Paulin, Margaret M Smith, Nicolas Holzer, Benjamin Cass, Allan A Young
BACKGROUND: The implication of scapular morphology in rotator cuff tears has been extensively studied. However, the role of the greater tuberosity (GT) should be of equal importance. The aim of this study was to propose a new radiographic marker, the GT angle (GTA), which measures the position of the GT in relation to the center of rotation of the humeral head. The hypothesis was that a higher angle value would be associated with a higher likelihood in detecting a rotator cuff tear. METHODS: During 1 year, patients were prospectively recruited from a single institution specialized shoulder clinic in 2 different groups...
April 24, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29703261/biomechanical-analysis-of-plate-systems-for-proximal-humerus-fractures-a-systematic-literature-review
#13
REVIEW
Ali Jabran, Chris Peach, Lei Ren
BACKGROUND: Proximal humerus fractures are the third most common in the human body but their management remains controversial. Open reduction and internal fixation with plates is one of the leading modes of operative treatment for these fractures. The development of technologies and techniques for these plates, during the recent decades, promise a bright future for their clinical use. A comprehensive review of in vitro biomechanical studies is needed for the comparison of plates' mechanical performance and the testing methodologies...
April 27, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29701099/management-of-extra-articular-segmental-defects-in-long-bone-using-a-titanium-mesh-cage-as-an-adjunct-to-other-methods-of-fixation
#14
N Attias, A M Thabet, G Prabhakar, J A Dollahite, R J Gehlert, T A DeCoster
Aims This study reviews the use of a titanium mesh cage (TMC) as an adjunct to intramedullary nail or plate reconstruction of an extra-articular segmental long bone defect. Patients and Methods A total of 17 patients (aged 17 to 61 years) treated for a segmental long bone defect by nail or plate fixation and an adjunctive TMC were included. The bone defects treated were in the tibia (nine), femur (six), radius (one), and humerus (one). The mean length of the segmental bone defect was 8.4 cm (2.2 to 13); the mean length of the titanium mesh cage was 8...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29701085/mid-term-results-of-anatomical-total-shoulder-arthroplasty-for-primary-osteoarthritis-using-a-short-stemmed-cementless-humeral-component
#15
M Schnetzke, S Rick, P Raiss, G Walch, M Loew
Aims The aim of this study was to evaluate the clinical and radiological outcome of using an anatomical short-stem shoulder prosthesis to treat primary osteoarthritis of the glenohumeral joint. Patients and Methods A total of 66 patients (67 shoulders) with a mean age of 76 years (63 to 92) were available for clinical and radiological follow-up at two different timepoints (T1, mean 2.6 years, sd 0.5; T2, mean 5.3 years, sd 0.7). Postoperative radiographs were analyzed for stem angle, cortical contact, and filling ratio of the stem...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29691041/application-of-pre-contoured-anatomic-locking-plate-for-treatment-of-humerus-split-type-greater-tuberosity-fractures-a-prospective-review-of-68-cases-with-an-average-follow-up-of-2-5-years
#16
Chuanzhen Hu, Kaihua Zhou, Fugen Pan, Qilin Zhai, Weifeng Wen, Xiaojian He
OBJECTIVES: Although various implants exist for 3- and 4-part proximal humerus fractures, few implants are appropriate for humerus split type greater tuberosity fractures. The goal of this study was to assess the efficacy of pre-contoured anatomic locking plate for humerus split type greater tuberosity fractures. METHODS: A retrospective review of 68 patients with humerus split type greater tuberosity fractures treated with open reduction and internal fixation using anatomic locking plates between January 2014 and October 2016...
April 18, 2018: Injury
https://www.readbyqxmd.com/read/29689182/occupational-therapy-for-nonoperative-four-part-proximal-humerus-fracture-a-case-report
#17
William P Finley, Steve Van Lew
OBJECTIVE: Proximal humerus fractures are highly traumatic and debilitating. Surgical fixation may be contraindicated in older clients, thus requiring a systematic rehabilitation protocol. These clients may suffer loss of independence and require long-term assistance if not treated properly. METHOD: In this case report, we describe the occupation-based conservative rehabilitation of a retired male client after a four-part proximal humerus fracture. Outcome measurements used were the QuickDASH, the Numeric Rating Scale for Pain, goniometric measurements, and manual muscle testing...
May 2018: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/29675770/sports-participation-and-fracture-in-older-australian-men
#18
Kara L Holloway-Kew, David J Moloney, Gosia Bucki-Smith, Natalie K Hyde, Sharon L Brennan-Olsen, Elizabeth N Timney, Amelia G Dobbins, Julie A Pasco
Older men who participated in a sporting activity were less likely to sustain any fracture or major osteoporotic fracture over a 6-year follow-up period. PURPOSE: Regular weight-bearing physical activity can reduce fracture risk through an increase in bone strength, as well as reducing falls risk by improving muscle strength and balance. In this study, we aimed to determine whether a specific type of physical activity, sports participation, reduces fracture risk in older Australian men...
April 19, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29675510/isolated-subscapularis-tendon-tear-in-a-skeletally-immature-soccer-player
#19
Paolo Avanzi, Luca Dei Giudici, Roberto Giovarruscio, Antonio Gigante, Claudio Zorzi
Subscapularis injury in adolescents, usually associated to an avulsion fracture of the lesser humeral tuberosity, accounts for less than 2% of all fractures of the proximal humerus. Isolated tears of the subscapularis tendon without a history of dislocation and associated avulsion fractures are an even rarer occurrence, and treatment is controversial. This article describes a rare case of a 12-year-old suffering from an isolated subscapularis tear and discusses its management. The patient was evaluated at presentation, and at 1 to 2...
March 2018: Joints
https://www.readbyqxmd.com/read/29668473/the-history-of-bone-tumour-treatment-and-the-state-of-the-art-in-vienna
#20
Rainer Kotz
PURPOSES: Bone tumours have been a tragedy for the patient in any time period. In the majority of the cases it occurs in children or young adults. In the past the affected limbs could not be spared and the overall prognosis was poor. METHODS: Chemotherapy successfully introduced for the purpose of overcoming the poor overall prognosis (Rosen and Jaffe) and tumour prostheses were invented for the purpose of salvaging the affected limbs (Marcove, Scales, Campanacci, Sivas, Salzer)...
December 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
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