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Coracoid

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https://www.readbyqxmd.com/read/29241816/triple-bundle-anatomical-reconstruction-using-the-coracoacromial-ligament-and-the-short-head-of-biceps-tendon-to-stabilize-chronic-acromioclavicular-joint-dislocations-a-cadaver-feasibility-study
#1
M Le Hanneur, D Delgrande, T Lafosse, J-D Werthel, P Hardy, B Elhassan
INTRODUCTION: In cases of chronic acromioclavicular joint separation, the biomechanical properties of anatomical reconstructions are closer to the native configuration than the Weaver-Dunn procedure. Consequently, the radiological and clinical outcomes are better. However, an additional incision is needed to harvest the graft, which increases the procedure's morbidity. HYPOTHESIS: Triple-bundle reconstruction can be performed with the coracoacromial ligament (CAL) and the semi conjoined tendon (SCT)...
December 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29236126/-structural-damage-after-shoulder-dislocation-and-development-of-surgical-treatment-from-a-historical-perspective
#2
REVIEW
P Habermeyer, P Magosch
In the nineteenth century there was a high incidence of habitual shoulder instability caused by epileptic seizures and accompanied by therapeutic dilettantism, which led to socioeconomic problems in the working population. In the preradiography era the pathomechanism of shoulder dislocation was only known on the basis of cadaver studies and autopsy findings. The underlying structural disorders of habitual shoulder instability in the Bismarck era were published by Malgaigne, Broca and Hartmann. In1898 the first surgical reconstructive stabilization procedure for habitual shoulder dislocation was performed by Wilhelm Müller in Rostock...
December 13, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29220405/maaqwi-cascadensis-a-large-marine-diving-bird-avialae-ornithurae-from-the-upper-cretaceous-of-british-columbia-canada
#3
Sandy M S McLachlan, Gary W Kaiser, Nicholas R Longrich
Mesozoic bird fossils from the Pacific Coast of North America are rare, but small numbers are known from the Late Cretaceous aged sediments of Hornby Island, British Columbia. Most are unassociated fragments that offer little information, but additional preparation of a large coracoid has revealed more details of its structure, as well as three associated wing bones. Phylogenetic analysis suggests that Maaqwi cascadensis, gen. et sp. nov. represents a derived crown or near-crown member of Ornithurae, and specifically suggests affinities with Vegaviidae...
2017: PloS One
https://www.readbyqxmd.com/read/29198350/editorial-commentary-healthy-skepticism-an-invaluable-trait
#4
EDITORIAL
Richard L Angelo
Using a switching stick from the posterior portal is a frequently employed method of identifying the location for the subscapularis split for a shoulder arthroscopic Latarjet. However, in a recent cadaveric study, in none of the 20 specimens studied did this technique result in the split being placed in the preferred position-the junction of the superior two-thirds and the inferior one-third of the subscapularis. As a result, if the position of the coracoid graft is too superior, the anteroinferior extension of the glenoid arc and the vector of the conjoined sling may be suboptimal and fail to restrain humeral head translation...
December 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29198018/fate-of-coracoid-grafts-after-the-latarjet-procedure-will-be-analogous-to-the-original-glenoid-by-remodelling
#5
Young Moon Kee, Jung Youn Kim, Hwan Jin Kim, Skand Sinha, Yong-Girl Rhee
PURPOSE: To evaluate the location, magnitude, and change over time of osteolysis of coracoid grafts after Latarjet procedure. METHODS: This is a retrospective study of 54 patients (55 shoulders) who underwent the Latarjet procedure. Three-dimensional computed tomography (CT) scans were performed preoperatively, immediately postoperatively, and at follow-up (mean 7.7 and 31.7 months postoperative). "En face" views of the glenoid, size of glenoid defect and changes in the glenoid surface area postoperatively were measured relative to the area of an assumed outer-fitting circle...
December 2, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29172635/midterm-clinical-results-in-rugby-players-treated-with-the-bristow-procedure
#6
Takayuki Kawasaki, Yoshinori Hasegawa, Takefumi Kaketa, Yuki Shiota, Yoshinori Gonda, Shogo Sobue, Hideo Kobayashi, Jun Yamakawa, Yoshiaki Itoigawa, Kazuo Kaneko
BACKGROUND: Although surgical shoulder stabilization by coracoid transfer is effective for collision athletes and has a low reinjury rate, no reports have described the midterm results of this procedure in specific patient cohorts of sufficient number or provided subjective assessments of these patients. PURPOSE: To evaluate midterm results after treatment of shoulder instability with the Bristow procedure in a large cohort of rugby players. STUDY DESIGN: Case series; Level of evidence, 4...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29167784/main-determinants-of-ossification-in-humerus-bone-and-coracoid-process-among-iranian-neonates
#7
Azadeh Memarian, Shahrokh Mehrpisheh, Elham Zarei, Farrokh Taphtachi, Leila Abdolkarimi
No abstract text is available yet for this article.
November 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29166217/the-radiologist-s-primer-to-imaging-the-noncuff-nonlabral-postoperative-shoulder
#8
Christopher R Smith, Jason T Yoon, Jeremiah R Long, Michael V Friedman, Travis J Hillen, James D Stensby
Many radiologists are familiar with the preoperative imaging assessment of patients with labral tears, rotator cuff abnormalities, and end-stage arthritis, as well as the subsequent primary reconstructions and repairs commonly encountered in routine clinical management. However, the second-line surgical procedures and augmentation procedures performed for refractory or recurrent shoulder instability and the extra-articular surgical procedures of the shoulder girdle may challenge even the most experienced musculoskeletal radiologist...
November 22, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29145279/osteosarcoma-in-the-coracoid-process-that-mimicked-an-osteochondroma-a-case-report
#9
Zhiping Luo, Conglin Ye, Hong-Xun Sang
RATIONALE: Osteosarcomas are the most common primary malignant bone tumors in children and young adults; these tumors often affect the metaphyses of long bones such as the proximal humerus, proximal tibia, and distal femur. In contrast, osteosarcoma of the coracoid process is extremely rare. PATIENT CONCERNS: Herein, we describe a case of osteosarcoma affecting the coracoid process in a 40-year-old woman. The patient presented with shoulder pain, weakness, and an inability to raise her left arm...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29140162/eight-week-return-to-play-following-latarjet-shoulder-reconstruction-in-an-australian-football-player-a-case-report
#10
Myles Murphy, Marshall Stockden, Ken Withers, William Breidahl, Jonathon Charlesworth
INTRODUCTION: Anterior shoulder dislocations are a common injury in many sports resulting in extended time lost from play with an extremely high recurrence rate in young athletes playing high risk sport. Latarjet shoulder reconstruction is a common surgical procedure used to prevent subsequent dislocation with an expected rehabilitation timeframe of between four to six months before return to play. CASE DESCRIPTION: A 21-year-old male Australian football player experienced two left sided shoulder dislocations before undergoing a left Latarjet shoulder reconstruction...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29137028/role-of-positioning-posterior-cord-on-coracoid-approach-brachial-plexus-block-guided-by-nerve-stimulator-compared-with-guided-by-ultrasound
#11
Wensheng He, Zhuo Liu, Zhenyu Wu, Wenchao Liu, Haijun Sun, Xiaochun Yang
BACKGROUND: Coracoid approach is efficient and safe for brachial plexus block, and is guided by nerve stimulator or ultrasound in general. Many trials have proved that ultrasonic guidance was more efficacious than nerve stimulator guidance. We hypothesized that positioning posterior cord could enhance the anesthesia effect of coracoid approach brachial plexus block (CABPB) guided by nerve stimulator. METHODS: Eighty patients were randomized into 2 groups to receive CABPB with positioning posterior cord guided by nerve stimulator (group A) or CABPB guided by ultrasound (group B)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29114636/accuracy-of-coracoid-bone-graft-placement-open-versus-arthroscopic-latarjet
#12
Adriano Russo, Andrea Grasso, Annalisa Arrighi, Angela Pistorio, Luigi Molfetta
Purpose  The aim of this study was to compare the accuracy of the coracoid bone graft placement with the open Latarjet-Patte and arthroscopic Latarjet (arthro-Latarjet) procedures in the treatment of anterior instability of the shoulder. Methods  Forty-six patients affected by anterior shoulder instability were divided into two groups. In group A ( n  = 25), patients were operated by arthroscopic Latarjet (arthro-Latarjet) procedure and in group B ( n  = 21), patients were operated by open Latarjet-Patte procedure...
June 2017: Joints
https://www.readbyqxmd.com/read/29102872/shoulder-balance-in-lenke-type-2-adolescent-idiopathic-scoliosis-should-we-fuse-to-the-second-thoracic-vertebra
#13
Huiliang Yang, Gi Hye Im, Bowen Hu, Lei Wang, Chunguang Zhou, Limin Liu, Yueming Song
OBJECTIVES: There are many different systems recommending upper instrumented vertebra (UIV) for Lenke type 2 adolescent idiopathic scoliosis (AIS), several of which suggest that all Lenke type 2 AIS patients should be fused to the second thoracic vertebra (T2). However, all previously proposed UIV selecting systems do not accurately predict postoperative shoulder balance. We investigated whether fusing to T2 could prevent postoperative shoulder imbalance and identified circumstances under which to fuse up to T2...
October 31, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29096342/bipolar-fracture-dislocation-of-clavicle-a-report-of-osteosynthesis-and-early-soft-tissue-reconstruction
#14
Renaldi Prasetia, Hermawan Nagar Rasyid
INTRODUCTION: Bipolar dislocation of the clavicle, also called bifocal or pan-articular dislocation or floating clavicle, is an uncommon traumatic injury. The injury of this case is also concomitant with distal third clavicle and coracoid fracture. This article aimed to report the experience of performing osteosynthesis and early soft tissue reconstruction on these injuries. CASE REPORT: We reported a case of bipolar clavicle fracture-dislocation in concomitant with coracoid fracture in a man, aged 32 years old, successfully treated 24days after accident by fixation of both fractures and early simultaneous reconstruction of sternoclavicular- acromioclavicular-coracoclavicular joints...
October 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29094054/can-a-drill-guide-improve-the-coracoid-graft-placement-during-the-latarjet-procedure-a-prospective-comparative-study-with-the-freehand-technique
#15
Johannes Barth, Achilleas Boutsiadis, Lionel Neyton, Laurent Lafosse, Gilles Walch
Background: One of the factors that can affect the success of the Latarjet procedure is accurate coracoid graft (CG) placement. Hypothesis: The use of a guide can improve placement of the CG and screw positioning in the sagittal and axial planes as compared with the classic open ("freehand") technique. Study Design: Cohort study; Level of evidence, 2. Methods: A total of 49 patients who underwent a Latarjet procedure for the treatment of recurrent anterior shoulder instability were prospectively included; the procedure was performed with the freehand technique in 22 patients (group 1) and with use of a parallel drill guide during screw placement in 27 patients (group 2)...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29060242/interactive-patient-specific-3d-approximation-of-scapula-bone-shape-from-2d-x-ray-images-using-landmark-constrained-statistical-shape-model-fitting
#16
T Mutsvangwa, W Wasswa, V Burdin, B Borotikar, T S Douglas
We report on an interactive tool for patientspecific 3D approximation of scapula bone shape from 2D X-ray images using landmark-constrained statistical shape model (SSM) fitting. The 3D localization of points on the 2D X-ray images was done through X-ray stereophotogrammetry. The inferior angle, acromion and the coracoid process were identified as reliable landmarks from the anteroposterior (AP) and oblique lateral views in a landmark selection study. The 3D scapula surface was approximated through fitting the scapula SSM to the 3D reconstructed coordinates of the selected landmarks...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29051871/bilateral-divergent-shoulder-s-fracture-dislocation-case-in-an-ischemic-stroke-patient
#17
Atchi Walla, Faré Gnandi-Piou, Pilakimwé Egbohou, Komi Assogba, Mawuko Quacoe
INTRODUCTION: The literature review revealed that nowadays only about 15 cases of bilateral shoulder dislocation associated with the fracture of the upper end of the humerus have been published. The triad of lesional mechanism designated by the triple syndrome E composed of epilepsy, electrocution, and external trauma was the circumstances noted in which these fractures dislocations occur with migration of the two humeral heads either forward or backward. CASE REPORT: An architect of 36-year-old, right-handed, was admitted in emergency department for loss of knowledge of progressive installation...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29038740/reverse-fosbury-flop-tear-of-the-rotator-cuff
#18
Jérôme Tirefort, Gregory Cunningham, Alexandre Lädermann
INTRODUCTION: "Fosbury flop" tear is an avulsion of the posterosuperior rotator cuff from the bone with reversal healing on its medial bursal-side. This case report describes a unique variant of Fosbury flop tear with a lesion of the musculotendinous junction that healed, for its tendon part, on the anterior humerus and coracoid process. CASE PRESENTATION: A 62-year-old man developed a posttraumatic painful shoulder with active loss of range of motion. Magnetic resonance arthrography demonstrated a lesion of the musculotendinous junction of the supraspinatus with healing of the tendon on the above-mentioned structures (reverse Fosbury flop)...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29021876/coracoid-process-morphology-using-3d-ct-imaging-in-a-malaysian-population
#19
I I Imma, N M Nizlan, A R Ezamin, S Yusoff, M H Shukur
Introduction: The aims of this study are to define the coracoid process anatomy in a Malaysian population, carried out on patients in Hospital Serdang with specific emphasis on the dimension of the base of coracoid process which is important in coraco-acromial (CC) ligament reconstruction, to define the average amount of bone available for use in coracoid transfer, and to compare the size of coracoid process based on gender and race, and with findings in previous studies. Materials and Methods: Fifteen pairs of computed tomography (CT) based 3-dimensional models of shoulders of patients aged between 20 to 60 years old were examined...
July 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28994027/management-of-glenoid-bone-loss-with-anterior-shoulder-instability-indications-and-outcomes
#20
REVIEW
Justin Rabinowitz, Richard Friedman, Josef K Eichinger
PURPOSE OF REVIEW: Glenoid Bone Loss is a commonly encountered problem in anterior shoulder instability. In this article, we review current techniques for diagnosis, indications and management of glenoid bone loss. RECENT FINDINGS: Multiple bone grafting techniques are available depending on the glenoid defect size including the coracoid, distal clavicle, iliac crest, and allograft distal tibia. Advancement in imaging methods allows for more accurate quantification of bone loss...
December 2017: Current Reviews in Musculoskeletal Medicine
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