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https://www.readbyqxmd.com/read/28345405/thickness-distribution-of-glenohumeral-joint-cartilage
#1
Christoph Schleich, Bernd Bittersohl, Gerald Antoch, Rüdiger Krauspe, Christoph Zilkens, Jörn Kircher
High-resolution 3-dimensional cartilage-specific magnetic resonance imaging (MRI) was performed at 3 T to test the following hypotheses: (1) there is a nonuniform cartilage thickness distribution both on the proximal humerus and on the glenoid surface and (2) the glenohumeral joint as a combined system is congruent with the level of the joint cartilage surface without substantial radial mismatch. Inclusion of 38 volunteers (19 females, mean age 24.34 ± 2.22 years; range 21-29 years) in a prospective study...
April 2017: Cartilage
https://www.readbyqxmd.com/read/28345195/diagnosing-neonatal-transphyseal-fractures-of-the-distal-humerus
#2
Matthew Kay, Carly Simpkins, Peter Shipman, Colin Whitewood
A traumatic birth can cause significant upper limb injury; the presenting features are non-specific and the differential diagnosis long. Transphyseal fractures of the distal humerus are a rare but clinically important birth injury. This injury has typical radiographic findings, which due to the un-ossified nature of the distal humeral epiphysis can easily be misinterpreted. This article presents the radiographic appearance correlated with arthrography, ultrasound and MRI obtained from four cases of neonatal transphyseal fracture of the distal humerus...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28341266/influence-of-fixation-point-of-latissimus-dorsi-tendon-transfer-for-irreparable-rotator-cuff-tear-on-glenohumeral-external-rotation-a-cadaver-study
#3
K Bargoin, M Boissard, J Kany, J Grimberg
Latissimus dorsi tendon transfer is a surgical option for treating irreparable posterosuperior rotator cuff tears, notably when attempting to reconstruct active external rotation. We hypothesized that the positioning of the transfer's point of fixation would differ depending on the desired elbow-to-body external rotation or external rotation with the elbow abducted. MATERIAL AND METHODS: Seven shoulders from four whole frozen cadavers were used. We created two systems to install the subject in a semi-seated position to allow external rotation elbow to body and the arm abducted 90°...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28341102/bicolumnar-90-90-plating-of-ao-13c-type-fractures
#4
Cemal Kural, Ersin Ercin, Mehmet Erkilinc, Evren Karaali, Mustafa Gokhan Bilgili, Suleyman Altun
OBJECTIVE: The aim of this study was to evaluate functional results and complication rate of patients who underwent medial-dorsolateral plating for intra-articular distal humeral fracture (Müller AO type 13C). METHODS: Twenty-four patients (14 men, 10 women; mean age: 47 years) with AO type 13C distal humerus fracture were included in the study. Mean follow-up time was 28 months. Nine patients were in 13C1 subgroup, according to AO classification system, 11 patients were categorized as 13C2, and 4 patients were 13C3...
March 21, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28335687/isolated-hagl-lesion-after-arthroscopic-bankart-repair-in-a-professional-soccer-player
#5
Haluk Celik, Mustafa Faik Seckin, Adnan Kara, Senol Akman
Post-traumatic anterior shoulder instability commonly occurs following an avulsion of capsulolabral complex from glenoid (Bankart lesion) or rarely after humeral avulsion of the glenohumeral ligaments (HAGL lesion). Arthroscopic Bankart repair offers high success rates of healing. However, trauma following the treatment may cause implant failure or re-avulsion of the treated tissue. We aim to present the diagnosis and treatment of an isolated HAGL lesion in a professional soccer player who had previously undergone arthroscopic Bankart repair...
March 24, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28333947/surgical-interventions-to-treat-humerus-shaft-fractures-a-network-meta-analysis-of-randomized-controlled-trials
#6
Jia-Guo Zhao, Jia Wang, Xiao-Hui Meng, Xian-Tie Zeng, Shi-Lian Kan
BACKGROUND: There are three main surgical techniques to treat humeral shaft fractures: open reduction and plate fixation (ORPF), intramedullary nail (IMN) fixation, and minimally invasive percutaneous osteosynthesis (MIPO). We performed a network meta-analysis to compare three surgical procedures, including ORPF, IMN fixation, and MIPO, to provide the optimum treatment for humerus shaft fractures. METHODS: MEDLINE, EMBASE, Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, and Cochrane library were researched for reports published up to May 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28332039/combined-quantification-of-fatty-infiltration-t-1-relaxation-times-and-t-2-relaxation-times-in-normal-appearing-skeletal-muscle-of-controls-and-dystrophic-patients
#7
Benjamin Leporq, Arnaud Le Troter, Yann Le Fur, Emmanuelle Salort-Campana, Maxime Guye, Olivier Beuf, Shahram Attarian, David Bendahan
OBJECTIVES: To evaluate the combination of a fat-water separation method with an automated segmentation algorithm to quantify the intermuscular fatty-infiltrated fraction, the relaxation times, and the microscopic fatty infiltration in the normal-appearing muscle. MATERIALS AND METHODS: MR acquisitions were performed at 1.5T in seven patients with facio-scapulo-humeral dystrophy and eight controls. Disease severity was assessed using commonly used scales for the upper and lower limbs...
March 22, 2017: Magma
https://www.readbyqxmd.com/read/28331927/bilateral-shoulder-arthrodesis-in-a-pekinese-using-three-dimensional-printed-patient-specific-osteotomy-and-reduction-guides
#8
Bill Oxley
OBJECTIVE: To report the use of computer-aided design software for virtual surgical planning and design of three-dimensional printed patient-specific osteotomy and reduction guides for facilitation of bilateral shoulder arthrodesis in a dog. METHODS: A three-year-old male entire Pekinese was presented unable to walk due to bilateral severe medial shoulder instability. Computed tomographic data was processed to yield three-dimensional mesh representations of the humeri and scapulae which could be manipulated in computer-aided design software...
March 23, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28330797/flexible-intramedullary-nailing-for-treatment-of-proximal-humeral-and-humeral-shaft-fractures-in-children-a-retrospective-series-of-118-cases
#9
Zenon Pogorelić, Sanja Kadić, Klaudio Pjer Milunović, Irena Pintarić, Miro Jukić, Dubravko Furlan
BACKGROUND: The aim of this study was to analyze outcomes of treatment and complications in children treated with flexible intramedullary nailing (FIN) due to humeral fracture. HYPOTHESIS: The FIN for treatment of humeral fractures in children would allow an early functional and cast-free follow-up with a quick pain reduction and low complication rate. PATIENTS AND METHODS: From May 2002 until May 2016 case records of all children who underwent fixation with titanium intramedulary nails because of humeral fracture were retrospectively reviewed...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28328742/treatment-of-proximal-humerus-fractures-in-children-with-a-modified-palm-tree-technique
#10
Ayman M Ali, Sallam I Fawzy, Medhat Moaty, Mohamed Abelaziz
Although most pediatric proximal humeral fractures can be successfully treated conservatively with satisfactory results, many operative techniques have been described for the treatment of displaced proximal humeral fractures. The aim of this study is to evaluate the efficacy of percutaneous fixation using a modified palm tree technique for proximal humerus fractures in children. Between March 2011 and May 2013, the modified palm tree technique was used for the management of 30 children (20 boys and 10 girls) with displaced proximal humeral fractures...
March 21, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28328740/comparison-of-the-lateral-and-posterior-approaches-in-the-treatment-of-pediatric-supracondylar-humeral-fractures
#11
Gökçer Uzer, Fatih Yildiz, Mehmet Elmadağ, Kerem Bilsel, Tunay Erden, Anil Pulatkan, Derya Çelik, Volkan Gürkan
This study explored the radiological, functional, and cosmetic results of treatment of supracondylar humeral fractures with open reduction and percutaneous pinning, comparing posterior triceps V-splitting (group I, n=22) and lateral (group II, n=25) approaches. The time to union, the functional and cosmetic results, and the flexor and extensor muscle strengths were measured and compared with the contralateral extremities. There were no statistical differences between the groups. The V-splitting posterior approach is as safe and effective as the lateral approach in the surgical treatment of pediatric supracondylar humeral fractures...
March 21, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28326443/radiological-clinical-and-functional-evaluation-using-the-quick-disabilities-of-the-arm-shoulder-and-hand-questionnaire-of-children-with-medial-epicondyle-fractures-treated-surgically
#12
Federico Canavese, Lorenza Marengo, Alexandru Tiris, Mounira Mansour, Marie Rousset, Antoine Samba, Antonio Andreacchio, Alain Dimeglio
PURPOSE: The main goal of this study was to retrospectively evaluate the clinical, functional and radiographic outcomes of displaced medial epicondyle fractures with or without associated elbow dislocation in children undergoing surgical treatment and to evaluate upper-extremity function with the Quick Disbilities of the Arm, Shoulder and Hand (Quick DASH) questionnaire. The hypothesis was that patients with associated elbow dislocation would have similar functional outcome to patients with displaced fractures with or without intra-articular entrapment of the medial epicondyle...
March 22, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28325516/scabietic-vasculitis-report-of-2-cases
#13
C Clevy, D Brajon, E Combes, M Benzaquen, J-P Dales, M-C Koeppel, P Berbis
BACKGROUND: The infectious causes of cutaneous vasculitis are well known and include streptococcal infections among others. Cases resulting from parasitic infection are less frequent. Scabies, which is currently on the increase, has only been reported in a few isolated cases. Herein, we report two noteworthy cases of profuse scabies complicated by cutaneous vasculitis. PATIENTS AND METHODS: Case 1: a 90-year-old woman, residing in a nursing home, was admitted to our dermatology department complaining of pruritus, present for one month, predominantly on the inside of the thighs and on the buttocks, associated with purpuric lesions on the lower limbs...
March 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28323247/changes-of-the-bone-structure-after-cap-resurfacing-arthroplasty-of-thehumeral-head
#14
Lars V von Engelhardt, Michael Hahn, Thorsten Schulz, Klaus Peikenkamp, Joerg Jerosch
INTRODUCTION: Although humeral head resurfacing with a cap is relatively common in clinical practice, clinical studies about the changes of the bone are rare. The aim of this study was to analyse qualitative and quantitative changes of the bone after cup arthroplasty. Our hypothesis is that the implant leads to a new functional load with remarkable changes of the bone underneath the cap. MATERIAL AND METHODS: Overall, 12 explanted caps with adherent bone tissues, retrieved at the revision surgery, were collected for histological examination...
March 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28322870/painless-bilateral-visual-loss-in-a-33-year-old-woman-with-severe-arterial-hypotension
#15
Olaia Subirà, Silvia Muñoz, Juan José Sánchez, Paloma Puyalto, Andrew G Lee
A 32-year-old woman experienced dizziness and headache for 5 months. She also complained of painless, progressive bilateral visual loss for several weeks. Prior to developing the initial symptoms, she had an uncomplicated pregnancy except for dizziness and systemic hypotension during the first term. Fundus examination disclosed prominent retinal arteries, as well diffuse microaneurysms, widespread intraretinal hemorrhages, and hyperemic optic discs. Brain magnetic resonance imaging revealed multiple supratentorial white matter lesions suggestive of ischemic strokes...
March 16, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28321431/osteochondritis-dissecans-of-the-humeral-capitellum-in-young-athletes-comparison-between-baseball-players-and-gymnasts
#16
Shiro Kajiyama, Satoshi Muroi, Hiroyuki Sugaya, Norimasa Takahashi, Keisuke Matsuki, Nobuaki Kawai, Makoto Osaki
BACKGROUND: Osteochondritis dissecans (OCD) lesions are often observed in the humeral capitellum both in young baseball players and gymnasts. It is generally believed that capitellar OCD in baseball players can be seen on an anteroposterior (AP) radiograph with the elbow in 45° of flexion. However, the mechanism of injury seems to be different in baseball players and gymnasts. Repetitive valgus overload with the elbow in flexion is believed to be the cause of capitellar OCD lesions in baseball players, whereas weightbearing with the elbow in extension may be the cause of OCD in gymnasts...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28320423/in-vivo-estimation-of-the-shoulder-joint-center-of-rotation-using-magneto-inertial-sensors-mri-based-accuracy-and-repeatability-assessment
#17
M Crabolu, D Pani, L Raffo, M Conti, P Crivelli, A Cereatti
BACKGROUND: The human gleno-humeral joint is normally represented as a spherical hinge and its center of rotation is used to construct humerus anatomical axes and as reduction point for the computation of the internal joint moments. The position of the gleno-humeral joint center (GHJC) can be estimated by recording ad hoc shoulder joint movement following a functional approach. In the last years, extensive research has been conducted to improve GHJC estimate as obtained from positioning systems such as stereo-photogrammetry or electromagnetic tracking...
March 21, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28315580/does-the-acromiohumeral-distance-matter-in-chronic-rotator-cuff-related-shoulder-pain
#18
Santiago Navarro-Ledesma, Filip Struyf, Maria Teresa Labajos-Manzanares, Manuel Fernandez-Sanchez, Jose Miguel Morales-Asencio, Alejandro Luque-Suarez
BACKGROUND/HYPOTHESIS: The relation between acromiohumeral distance (AHD) and severity of pain, disability and range of movement (ROM) in patients with chronic rotator cuff related shoulder pain (RCRSP) has not been reported. OBJECTIVES: The aim of this study was to investigate the level of association between AHD measured by ultrasonography and pain-disability and shoulder range of movement (ROM), in patients suffering from chronic RCRSP. As a secondary objective, the determination of the intrarater reliability of AHD at both 0 and 60 degrees of shoulder elevation was carried out...
March 9, 2017: Musculoskelet Sci Pract
https://www.readbyqxmd.com/read/28302334/corrigendum-to-supplementary-material-traceability-of-fluorescent-engineered-nanomaterials-and-their-fate-in-complex-liquid-waste-matrices-environ-pollut-214-july-2016-795-805
#19
Florian Part, Christoph Zaba, Oliver Bixner, Christian Zafiu, Stephan Hann, Eva-Kathrin Sinner, Marion Huber-Humer
No abstract text is available yet for this article.
March 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28296515/risk-preferences-and-attitudes-to-surgery-in-decision-making
#20
Andreas Meunier, Kinga Posadzy, Gustav Tinghög, Per Aspenberg
Background and purpose - There is increasing evidence that several commonly performed surgical procedures provide little advantage over nonoperative treatment, suggesting that doctors may sometimes be inappropriately optimistic about surgical benefit when suggesting treatment for individual patients. We investigated whether attitudes to risk influenced the choice of operative treatment and nonoperative treatment. Methods - 946 Swedish orthopedic surgeons were invited to participate in an online survey. A radiograph of a 4-fragment proximal humeral fracture was presented together with 5 different patient characteristics, and the surgeons could choose between 3 different operative treatments and 1 nonoperative treatment...
March 15, 2017: Acta Orthopaedica
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