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https://www.readbyqxmd.com/read/28214259/erratum-to-preliminary-clinical-outcomes-of-latarjet-patte-coracoid-transfer-by-arthroscopy-vs-open-surgery-prospective-multicentre-study-of-390%C3%A2-cases-orthop-traumatol-surg-res-102-2016-s271-s276
#1
P Metais, P Clavert, J Barth, P Boileau, R Brzoska, G Nourissat, J Leuzinger, G Walch, L Lafosse
No abstract text is available yet for this article.
February 14, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28211284/decreased-axial-coracoid-inclination-angle-is-associated-with-rotator-cuff-tears
#2
Carlos Torrens, Eduard Alentorn-Geli, Juan Francisco Sanchez, Anna Isart, Fernando Santana
PURPOSE: Coracoid morphology has been related to coracoid impingement mainly resulting in anterior shoulder pain aggravated by forward flexion and internal rotation. However, the coracoid process morphology can also affect the inclination of the coracoacromial ligament and subsequently the subacromial space in the same way that acromial slope does. The purpose of this study was to evaluate the influence of the coracoid body-glenoid surface, coracoid tip-glenoid surface, and coracoid body-coracoid tip angles (coracoid inclination angles) on rotator cuff tears (RCTs)...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28210649/predictive-surgical-reasons-for-failure-after-coracoid-process-transfers
#3
Gregory Gasbarro, Juan Marcelo Giugale, Gilles Walch, Albert Lin
BACKGROUND: Recurrent anterior shoulder instability after coracoid process transfers may be caused by trauma, sports injury, or technical failure of the index procedure. Surgical techniques vary with regard to graft orientation and positioning and number of screws utilized for fixation. PURPOSE: To identify surgical and patient-related factors associated with failure, defined as the need for revision surgery. We hypothesized that failures will occur more commonly with single-screw fixation and graft malposition...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28195745/anatomic-and-biomechanical-comparison-of-the-classic-and-congruent-arc-techniques-of-the-latarjet-procedure
#4
Scott R Montgomery, J Christoph Katthagen, Jacob D Mikula, Daniel Cole Marchetti, Dimitri S Tahal, Grant J Dornan, Kimi D Dahl, Alex W Brady, Travis Lee Turnbull, Peter J Millett
BACKGROUND: The Latarjet procedure is commonly performed using either the classic or the congruent-arc technique. Each technique has potential clinical advantages and disadvantages. However, data on the anatomic and biomechanical effects, benefits, and limitations of each technique are limited. Hypothesis/Purpose: To compare the anatomy and biomechanical fixation strength (failure load) between the 2 techniques. It was hypothesized that the classic technique would have superior initial fixation when compared with the congruent-arc technique and that this would be affected by sex and coracoid size...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28194498/lateral-clavicle-fracture-with-coracoclavicular-ligament-injury-a-biomechanical-study-of-4-different-repair-techniques
#5
Farhang Alaee, John Apostolakos, Hardeep Singh, Christian Holwein, Theresa Diermeier, Mark P Cote, Knut Beitzel, Andreas B Imhoff, Augustus D Mazzocca, Andreas Voss
PURPOSE: To investigate the biomechanical performance of four different methods used for coracoclavicular (CC) ligament reconstruction in a lateral clavicle fracture repair. METHODS: Native displacement, translation, and rotation at the acromioclavicular joint of 24 fresh-frozen cadaveric shoulders were tested. A reproducible fracture in the lateral third of the clavicle was created by dissecting both CC ligaments. Each specimen was then repaired with plate fixation of the fracture and the following CC repair technique: (1) Cortical button...
February 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28188359/in-vivo-analysis-of-coracoid-and-subacromial-shoulder-impingement-mechanism-during-clinical-examination
#6
Tim Leschinger, Christopher Wallraff, Dirk Müller, Matthias Hackenbroch, Henning Bovenschulte, Jan Siewe
BACKGROUND: Understanding the mechanisms of shoulder impingement created by clinical tests is crucial to accurately evaluate the condition. The objective of this study was to relate mechanisms of subacromial and coracoid impingement occurring in positions of the shoulder during clinical examination, in quantitative and qualitative terms. METHODS: A 1.0T open magnetic resonance imaging system was used in 18 female and 19 male subjects, to determine the distances between the humeral head and the acromion or coracoid, and contact with the rotator cuff (RC)...
February 11, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28183087/development-of-the-human-biceps-brachii-tendon-and-coracoglenoid-ligament-7th-12th-week-of-development
#7
Crótida de la Cuadra-Blanco, Luis A Arráez-Aybar, Jorge A Murillo-González, Manuel E Herrera-Lara, Juan A Mérida-Velasco, José R Mérida-Velasco
The goal of this study is to clarify the development of the long head of the biceps brachii tendon (LHBT) and to verify the existence and development of the coracoglenoid ligament. Histological preparations of 22 human embryos (7-8 weeks of development) and 43 human fetuses (9-12 weeks of development) were studied bilaterally using a conventional optical microscope. The articular interzone gives rise to the LHBT, glenoid labrum, and articular capsule. During the fetal period, it was observed that in 50 cases (58%), the LHBT originated from both the glenoid labrum and the scapula, while in 36 cases (42%), it originated only from the glenoid labrum...
February 10, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28167193/the-scapula-backward-tipping-test-an-inter-rater-reliability-study
#8
Deepak Sebastian, Raghu Chovvath, Ramesh Malladi
BACKGROUND & PURPOSE: The purpose of this study was to determine the reliability of the scapula backward tipping test (SBTT) in detecting the presence of pectoralis minor (PM) tightness and subsequently scapula forward tipping, in a symptomatic population. PM tightness with scapula forward tipping has been described to cause pain and dysfunction in the shoulder region. METHODS: 30 patients with a diagnosis of shoulder pain were randomly assigned and examined by 2 musculoskeletal physical therapists at a time...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28167190/change-of-pectoralis-minor-length-and-acromial-distance-during-scapular-retraction-at-60%C3%A2-shoulder-elevation
#9
Nitaya Viriyatharakij, Chatchada Chinkulprasert, Navarat Rakthim, Jetjaree Patumrat, Butsarin Ketruang
As the pectoralis minor muscle is inserted into the coracoid process, an improper length of this muscle would affect scapular and shoulder motions. Therefore, this study is proposed to assess the effects on pectoralis minor's length and acromial distance after active scapular retraction in scaption at 60° elevation. Sixty right-hand-dominant participants (11 males, 49 females) were randomized into an intervention group and a control group. The intervention group performed pectoralis minor muscle stretching by active scapular retraction, while the control group were asked to sit in an upright position...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28149720/arthroscopically-assisted-acromioclavicular-and-coracoclavicular-ligament-reconstruction-for-chronic-acromioclavicular-joint-instability
#10
Frank Martetschläger, Mark Tauber, Peter Habermeyer, Nael Hawi
Acromioclavicular (AC) joint injuries are common injuries, especially in the young and active, male population. AC joint injuries account for 12% of all injuries of the shoulder girdle in the overall population. Although conservative treatment is recommended for Rockwood type I and type II injuries, there is controversial debate about optimal treatment for type III injuries. High-grade injuries are typically treated operatively to avoid painful sequelae. A vast number of different surgical methods have been described over the past few decades...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149718/arthroscopic-bone-grafting-for-anteroinferior-glenoid-defect-using-template
#11
Wichan Kanchanatawan, Jatupon Kongtharvonskul, Kaiwan Sriruanthong, Gem Dorjiee
Significant anteroinferior glenoid bone loss is widely accepted as a major pathology of recurrent anterior shoulder dislocation, particularly after failed arthroscopic Bankart repair. Numerous surgical techniques for glenoid bone grafting have been described and have been reported to yield successful outcomes. Both open and arthroscopic approaches have been used, with the coracoid and the iliac crest being commonly used for bone graft. When compared with open surgery, an arthroscopic approach has many advantages...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149713/arthroscopic-iliac-crest-bone-block-for-reconstruction-of-the-glenoid-a-fixation-technique-using-an-adjustable-length-loop-cortical-suspensory-fixation-device
#12
Socrates Kalogrianitis, Vasileios Tsouparopoulos
Recurrent anterior shoulder instability with significant bone loss represents a surgical challenge. Anterior bone block procedures including variations of the Latarjet coracoid transfer have been used in this setting. Bone graft resorption with prominence of the metalwork is a serious concern, whereas the relative contribution of the dynamic sling effect of a Latarjet procedure is still controversial. We describe an arthroscopic technique for anatomic reconstruction of anterior glenoid bone defects using autologous iliac crest graft...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28139644/a-bizarre-early-cretaceous-enantiornithine-bird-with-unique-crural-feathers-and-an-ornithuromorph-plough-shaped-pygostyle
#13
Min Wang, Jingmai K O'Connor, Yanhong Pan, Zhonghe Zhou
Enantiornithes are the most successful clade of Mesozoic birds. Here, we describe a new enantiornithine bird, Cruralispennia multidonta gen. et sp. nov., from the Protopteryx-horizon of the Early Cretaceous Huajiying Formation of China. Despite being among the oldest known enantiornithines, Cruralispennia displays derived morphologies that are unexpected at such an early stage in the evolution of this clade. A plough-shaped pygostyle, like that of the Ornithuromorpha, evolved convergently in the Cruralispennia lineage, highlighting the homoplastic nature of early avian evolution...
January 31, 2017: Nature Communications
https://www.readbyqxmd.com/read/28107077/evaluation-of-cardiac-size-in-the-common-kestrel-falco-tinnunculus-based-on-radiographic-measurements
#14
Ali Mirshahi, Mahnaz Shariatzadeh, Jamshid Razmyar, Mohammad Azizzadeh
The common kestrel ( Falco tinnunculus ) is a common raptor found worldwide. To establish reference intervals for cardiac size by radiography, 14 adult common kestrels were evaluated clinically and with radiographs (lateral and ventrodorsal views). The cardiac width, thoracic width, distance between third and fourth ribs, synsacrum width, coracoid width, and distance between clavicle bones were measured on ventrodorsal radiographs. The ratio between cardiac width and the other 5 indices was calculated. Results showed a significant, positive correlation between the cardiac width and thoracic width and between cardiac width and coracoid width...
December 2016: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28052415/arthroscopic-approach-and-intra-articular-anatomy-of-the-dorsal-and-plantar-synovial-compartments-of-the-bovine-tarsocrural-joint
#15
Hélène Lardé, Sylvain Nichols, Marie Babkine, André Desrochers
OBJECTIVE: To determine arthroscopic approaches to the dorsal and plantar synovial compartments of the tarsocrural joint in adult cattle, and to describe the arthroscopic intra-articular anatomy from each approach. STUDY DESIGN: Ex vivo study. ANIMALS: Fresh adult bovine cadavers (n = 7). METHODS: Two tarsocrural joint were injected with latex to determine arthroscopic portal locations and arthroscopy of the tarsocrural joint of 12 tarsi was performed...
January 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28049592/traditional-versus-congruent-arc-latarjet-technique-effect-on-surface-area-for-union-and-bone-width-surrounding-screws
#16
Guillaume D Dumont, Bryan G Vopat, Stephen Parada, Randy Cohn, Amun Makani, George Sanchez, Petar Golijanin, Brendin R Beaulieu-Jones, Anthony Sanchez, Matthew T Provencher
PURPOSE: To compare the surface area available for bony contact and the width of bone on each side of the Latarjet fixation screws in the traditional Latarjet technique versus the congruent arc modification of the Latarjet technique. METHODS: Computed tomographic scans of 24 shoulders in patients with glenohumeral instability who underwent multiplanar reconstruction measurements with multiple dimensions of the coracoid. The surface area of the coracoid available for bony contact with the anterior glenoid and width of bone on each side of a 3...
December 31, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28043316/treatment-of-shoulder-dislocation-with-greater-tuberosity-and-glenoid-fractures
#17
Shah Jehan, Najeeb Mohammad Akhi Baig, Jacob Der Tavitian
Large glenoid fractures are relatively uncommon with shoulder dislocation. Simultaneous glenoid and greater tuberosity fractures with anterior shoulder dislocation are very rare. We report on a 48-year right-handed male who sustained a fall during skiing. He had anterior shoulder dislocation combined with large glenoid fracture and greater tuberosity fracture. He was treated surgically with fixation of the glenoid and greater tuberosity fractures, using two different approaches. The deltopectoral approach with coracoid osteotomy and subscapularis split was used for glenoid fixation...
December 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28039495/comparative-study-of-open-and-arthroscopic-coracoid-transfer-for-shoulder-anterior-instability-latarjet-clinical-results-at-short-term-follow-up
#18
Bartłomiej Kordasiewicz, Konrad Małachowski, Maciej Kicinski, Sławomir Chaberek, Stanisław Pomianowski
PURPOSE AND HYPOTHESIS: The aim of this study was to compare early clinical results after open and arthroscopic Latarjet stabilisation in anterior shoulder instability. Our hypothesis was the results of arthroscopic stabilisation were comparable with the results of open procedure. MATERIAL AND METHODS: The clinical results of the patients after primary Latarjet procedure were analysed. Patients operated on between 2006 and 2011 using an open technique composed the OPEN group and patients operated on arthroscopically between 2011 and 2013 composed the ARTHRO group; 48 out of 55 shoulders (87%) in OPEN and 62 out of 64 shoulders (97%) in ARTHRO were available to follow-up...
December 30, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/28018084/recurrent-anterior-instability-of-the-shoulder-associated-with-coracoid-fracture-an-unusual-presentation
#19
Nikhil Verma, Deepak Chahar, Ankit Chawla, Ravi Sreenivasan, Amite Pankaj
Recurrent anterior shoulder instability following shoulder dislocation has an incidence as high as 68% among the younger population, however its association with coracoid fracture is extremely rare. Majority of coracoid fractures reported earlier have been shown to be associated with seizure disorder. We report a case of displaced coracoid fracture associated with recurrent anterior instability in a patient with no history of seizure disorder and its implications in causation as well as management are discussed...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28003075/editorial-commentary-arthroscopically-assisted-acromioclavicular-joint-reconstruction-not-seeing-does-not-mean-do-not-worry
#20
EDITORIAL
Andreas B Imhoff, Felix Dyrna
To minimize risks during arthroscopic-assisted reduction and internal fixation of acromioclavicular dislocation, drilling should only be performed with an anatomically reduced clavicle. This re-creates the important distances to the neurovascular structures because a posteriorly displaced clavicle reduces the distance to the suprascapular nerve. In addition, visualization is of high importance for the arthroscopic coracoid preparation, as are mini-open incisions, to create an accurate and well-placed tunnel for drilling...
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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