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https://www.readbyqxmd.com/read/28427871/arthroscopic-assisted-coracoclavicular-ligament-reconstruction-for-acute-acromioclavicular-dislocation-using-2-clavicular-and-1-coracoid-cortical-fixation-buttons-with-suture-tapes
#1
Sang-Jin Shin, Yoon Sang Jeon, Rag Gyu Kim
PURPOSE: To introduce an arthroscopically assisted coracoclavicular (CC) fixation technique using a cortical fixation button device and to evaluate the clinical and radiologic outcomes in patients with acute acromioclavicular (AC) dislocation who were treated with the technique. METHODS: Twenty-one consecutive patients with grade III and V acute AC dislocation who underwent arthroscopically assisted CC ligament reconstruction using a cortical fixation button device were prospectively enrolled...
April 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28421316/comparison-of-the-coracoid-and-retroclavicular-approaches-for-ultrasound-guided-infraclavicular-brachial-plexus-block
#2
Nilgun Kavrut Ozturk, Ali Sait Kavakli
PURPOSE: This prospective randomized study compared the coracoid and retroclavicular approaches to ultrasound-guided infraclavicular brachial plexus block (IBPB) in terms of needle tip and shaft visibility and quality of block. We hypothesized that the retroclavicular approach would increase needle tip and shaft visibility and decrease the number of needle passes compared to the coracoid approach. METHODS: A total of 100 adult patients who received IBPB block for upper limb surgery were randomized into two groups: a coracoid approach group (group C) and a retroclavicular approach group (group R)...
April 18, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28409097/arthroscopic-technique-for-stabilization-of-chronic-acromioclavicular-joint-instability-with-coracoclavicular-and-acromioclavicular-ligament-reconstruction-using-a-gracilis-tendon-graft
#3
Nina Pühringer, Jens Agneskirchner
We present an arthroscopic technique for stabilization of chronic acromioclavicular (AC) joint instability using a transclavicular-transcoracoidal button technique, combined with a coracoclavicular and AC ligament reconstruction using the gracilis tendon. This arthroscopic technique achieves an anatomic reduction of the clavicle without further implant removal. It ensures vertical and horizontal stabilization of the AC joint. Using a horizontal drill hole through the clavicle and looping the gracilis tendon graft around the coracoid avoids weakening of the coracoid with the risk of fracture...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28395420/-application-of-the-method-of-anatomic-coracoclavicular-ligament-reconstruction-for-distal-clavicle-fractures
#4
J H Fang, G L Tang, H Chen, L J Song, X Li
Objective: To assess the clinical results of the method of anatomic coracoclavicular ligament reconstruction for distal clavicle fractures. Methods: From August 2013 to January 2015, the super image system was used to measure the CT data of 16 patients suffering distal clavicle fractures before operation in Department of Orthopaedics , the First Affiliated Hospital of Nanjing Medical Univerisity. The fractures' morphological features and acromioclavicular dislocation degree were assessed. By referring to the data collected by the my research group on Chinese people's coracoclavicular ligament, the injuries of the coracoclavicular ligament were estimated, which was then to verify the actual injuries detected during operation...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28373938/arthroscopic-acromioclavicular-joint-reconstruction-using-knotless-coracoclavicular-fixation-and-soft-tissue-anatomic-coracoclavicular-ligament-reconstruction
#5
Travis J Menge, Dimitri S Tahal, J Christoph Katthagen, Peter J Millett
Acromioclavicular joint injuries are one of the most common shoulder injuries, and there are a variety of treatment options. Recently, there have been newer arthroscopic techniques that have addressed coracoid and clavicle fracture risk by using a knotted suture-button fixation through a single, small bone tunnel with additional looped soft-tissue graft stabilization. Although clinical outcomes have been good to excellent, there have still been instances of knot and hardware irritation. The described technique builds on the latest advances and achieves an anatomic coracoclavicular (CC) reconstruction through a single knotless CC fixation device with additional soft-tissue allograft reconstruction of the CC ligaments...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28372969/the-triple-dislocation-fracture-anterior-shoulder-dislocation-with-concomitant-fracture-of-the-glenoid-rim-greater-tuberosity-and-coracoid-process-a-series-of-six-cases
#6
Fabian Plachel, Jakob E Schanda, Reinhold Ortmaier, Alexander Auffarth, Herbert Resch, Robert Bogner
BACKGROUND: A combined fracture of the glenoid rim, greater tuberosity, and coracoid process after anterior shoulder dislocation is a rare event. Only 1 patient has been reported in the literature. METHODS: All patients with a first-time traumatic anterior shoulder dislocation in a level A trauma center were retrospectively reviewed. Among the 2068 patients treated between 1998 and 2013, we identified 6 patients (0.3%; 1 female, 5 male) with "triple dislocation fracture" (anterior shoulder dislocation with concomitant fracture of the glenoid rim, greater tuberosity, and coracoid process)...
March 31, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28372967/is-the-two-dimensional-computed-tomography-scan-analysis-reliable-for-coracoid-graft-positioning-in-latarjet-procedures
#7
Johannes Barth, Lionel Neyton, Pierre Métais, Jean-Claude Panisset, Laurent Baverel, Gilles Walch, Laurent Lafosse
BACKGROUND: The aim of the study was to develop a computed tomography (CT)-based measurement protocol for coracoid graft (CG) placement in both axial and sagittal planes after a Latarjet procedure and to test its intraobserver and interobserver reliability. METHODS: Fifteen postoperative CT scans were included to assess the intraobserver and interobserver reproducibility of a standardized protocol among 3 senior and 3 junior shoulder surgeons. The evaluation sequence included CG positioning, its contact area with the glenoid, and the angle of its screws in the axial plane...
March 31, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28364322/arthroscopic-management-of-lesser-tuberosity-osteochondroma-causing-impingement-and-subscapularis-tear-of-the-shoulder
#8
Jung Ryul Kim, Ju Hong Lee, Sung Il Wang
Although the proximal humerus is a common site of osteochondroma, osteochondroma arising from the lesser tuberosity of the proximal humerus is rare. Because of the anatomy of the shoulder, mechanical impingement can occur via direct contact of the protruding lesser tuberosity against the glenoid rim or coracoid. In younger patients, this may cause isolated tearing of the subscapularis. In this study, is presented a rare case of osteochondroma on the lesser tuberosity that caused a subscapularis tear after shoulder impingement in a 34-year-old male...
March 31, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28353299/an-unusual-case-of-accessory-head-of-coracobrachialis-muscle-involving-lateral-cord-of-brachial-plexus-and-its-clinical-significance
#9
Silvio Antonio Garbelotti, Sérgio Ricardo Marques, Paulo Ricardo Rocha, Valdemir Rodrigues Pereira, Luis Otavio Carvalho de Moraes
Knowledge of anatomical variations in the peripheral nervous system is key in the interpretation of unusual clinical signs or during physical or diagnostic imaging. This case study is a description of an anatomical variation between the coracobrachialis muscle and brachial plexus. In a routine dissection in the human anatomy laboratory, we were faced with an anatomical variation in the coracobrachialis muscle, observed in the upper right limb of a male cadaver. The coracobrachialis muscle had a common origin at the apex of the coracoid process and then divided into two heads...
March 29, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28351205/arthroscopic-versus-open-latarjet-in-the-treatment-of-recurrent-anterior-shoulder-dislocation-with-marked-glenoid-bone-loss
#10
Yiming Zhu, Chunyan Jiang, Guanyang Song
BACKGROUND: Very few studies have compared open Latarjet versus arthroscopic Latarjet procedures. PURPOSE: To compare the clinical and computed tomographic outcomes between open and arthroscopic Latarjet procedures. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: A prospective, comparative study was performed. The open Latarjet group included 44 patients, and the arthroscopic Latarjet group included 46 patients...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28332045/an-unusual-mechanism-of-coracoid-fracture-in-a-beginner-golfer
#11
Ju Hong Lee, Jung Ryul Kim, Sung Il Wang
Golfers may injure themselves as a result of repetitive asymmetrical loads exerted on the body by poor swing mechanics. If the repetitive sub-maximal loading is not removed, this repetitive loading will exceed the adaptive capacity of bone, eventually resulting in a stress fracture. Stress fracture of the scapula due to golfing is extremely rare. Only two cases of acromion fracture have been reported. A rare case of nontraumatic coracoid fracture in a 50-year-old female beginner golfer is reported here. The mechanism of injury is also discussed...
March 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28299316/ultrasonographic-validation-of-anatomical-landmarks-for-localization-of-the-tendon-of-the-long-head-of-biceps-brachii
#12
Saiyun Hou, John Harrell, Sheng Li
Objectives. To establish anatomical landmarks for biceps tendon groove localization based on intrinsic anatomical relations and to validate the localization with ultrasonographic measurement. Design. Perspective, observational, single-blinded pilot study. Participants. 25 healthy male and female volunteers ages 24-50 years. Methods. We used two anatomical landmarks, the medial epicondyle vertical line related landmark and the coracoid process landmark. The distance from the groove skin mark to the medial epicondyle vertical line and the coracoid process was measured horizontally and was measured at 0° and 45° of shoulder external rotation, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28288680/erratum-to-anatomical-study-of-the-coracoid-process-in-mongolian-male-cadavers-using-the-latarjet-procedure
#13
Jianqiang Lian, Lele Dong, Yanjun Zhao, Jinlei Sun, Wenlong Zhang, Chunzheng Gao
No abstract text is available yet for this article.
March 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28280877/unusual-intraosseous-fossilized-soft-tissues-from-the-middle-triassic-nothosaurus-bone
#14
Dawid Surmik, Bruce M Rothschild, Roman Pawlicki
Fossilized soft tissues, occasionally found together with skeletal remains, provide insights to the physiology and functional morphology of extinct organisms. Herein, we present unusual fossilized structures from the cortical region of bone identified in isolated skeletal remains of Middle Triassic nothosaurs from Upper Silesia, Poland. The ribbed or annuli-shaped structures have been found in a sample of partially demineralized coracoid and are interpreted as either giant red blood cells or as blood vessel walls...
April 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28274881/arthroscopic-congruent-arc-shoulder-bone-block-for-severe-glenoid-bone-defect-preliminary-report
#15
J Kany, B Codanda, P Croutzet, R Guinand
INTRODUCTION: Glenoid bone defect remains a surgical challenge in managing anterior shoulder instability. The technique first described by Latarjet has become the gold standard, but may fail to restore fully normal anatomy in case of severe "inverted-pear" glenoid bone defect. Likewise, the naturally "banana-shaped" coracoid process fails to match this flat shoulder. The congruent-arc modified Latarjet technique, which consists in pivoting the coracoid process through 90°, optimizes the contact surface, adapting to the glenoid curvature radius and increasing the articular surface of the graft...
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28258327/latarjet-procedure-using-subscapularis-split-approach-offers-better-rotational-endurance-than-partial-tenotomy-for-anterior-shoulder-instability
#16
Ali Ersen, Fevzi Birisik, Hakan Ozben, Ata Can Atalar, Turker Sahinkaya, Aksel Seyahi, Mehmet Demirhan
PURPOSE: Latarjet, which is a coracoid bone block procedure, is an effective treatment for anterior shoulder instability with glenoid bone loss. During this reconstructive procedure the subscapularis may be tenotomized or be split to expose the glenoid neck. The aim of this study was to assess the effect of subscapularis management on functional outcomes and internal and external rotation durability and strength. Hypothesis is that the subscapularis split approach will result in better functional results and superior internal rotation strength and endurance...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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
#17
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.
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28211284/decreased-axial-coracoid-inclination-angle-is-associated-with-rotator-cuff-tears
#18
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
#19
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
#20
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
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