acromioclavicular joint

Justin O Aflatooni, Brett D Meeks, Andrew W Froehle, Kevin F Bonner
BACKGROUND: Biceps tenotomy and tenodesis are surgical treatments for pathology of the proximal tendon of the long head of the biceps. There is debate over which procedure provides better patient outcomes. PURPOSE: Compare patient-reported outcomes and satisfaction between biceps tenotomy and tenodesis. METHODS: This retrospective cohort study including all patients undergoing arthroscopic biceps tenodesis or tenotomy as part of more extensive shoulder surgery with a single surgeon...
February 18, 2020: Journal of Orthopaedic Surgery and Research
Mitchell I Kennedy, Liam A Peebles, Matthew T Provencher, Robert F LaPrade
Numerous operative techniques have been described for acromioclavicular and coracoclavicular ligament reconstruction for the treatment of acromioclavicular joint instability. Injuries of this nature are commonly sustained by contact-sport athletes in high-impact collisions or falls. Traumatic injury to the acromioclavicular joint and ligamentous structures can range in severity, as can the degree of subsequent joint instability. Injuries classified between Type I and Type III are generally treated nonoperatively, whereas Type-IV injuries may be treated similarly to the treatment described in this article for Type-V injuries...
October 2019: JBJS essential surgical techniques
Andrea Lazik-Palm, Oliver Kraff, Stefan H G Rietsch, Mark E Ladd, Michael Kamminga, Sascha Beck, Harald H Quick, Jens M Theysohn
BACKGROUND: To evaluate feasibility and diagnostic performance of clinical 7-T magnetic resonance imaging (MRI) of the shoulder. METHODS: Eight patients with suspected lesions of the rotator cuff underwent 7-T MRI before arthroscopy. Image quality was scored for artifacts, B1 + inhomogeneities, and assessability of anatomical structures. A structured radiological report was compared to arthroscopy. In four patients, a visual comparison with pre-existing 1.5-T examinations was performed...
February 7, 2020: European Radiology Experimental
Michael-Alexander Malahias, Thomas Sarlikiotis, Emmanouil Brilakis, Dimitrios Gerogiannis, Grigorios Avramidis, Emmanouil Antonogiannakis
Purpose: To investigate whether the 'Surgilig' technique is safe and effective for the treatment of patients suffering from acromioclavicular joint (ACJ) dislocations graded as Rockwood's type III or higher. Methods: A systematic review was conducted according to Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. Results: The failure rate of the "Surgilig" implant was very low (3.5%), while patients' satisfaction was high (88...
March 2020: Journal of Orthopaedics
Adam Łazarski, Sylwia Sarzyńska, Sławomir Struzik, Tomasz Jędral, Paweł Łęgosz, Paweł Małdyk
BACKGROUND: Rockwood Type III acromioclavicular joint injuries are treated both conservatively and surgically. There is still no consensus on an optimal fixation method. The aim of this study was to evaluate which of the surgical methods used in our Department produces the best outcomes in long-term follow-up. MATERIAL AND METHODS: The study involved 27 patients. Wire cerclage was used in 12 patients, 11 patients were operated on by the Ladermann method, and a hook plate was used in 4 patients...
June 30, 2019: Ortopedia, Traumatologia, Rehabilitacja
Fady Azar, Christian Pfeifer, Volker Alt, Benedikt Pregler, Isabella Weiss, Agnes Mayr, Maximilian Kerschbaum
Background: The side-comparative coracoclavicular (CC) distance is used to describe the vertical instability component of acute acromioclavicular (AC) joint dislocations. Elevation of the clavicle or a depression of the shoulder girdle can lead to an increased CC distance. The dislocation direction has not yet been investigated and is not included in common classification systems. Hypothesis: Clavicle elevation is primarily responsible for vertical dislocation in AC joint separation...
November 2019: Orthopaedic Journal of Sports Medicine
Ian Peeters, Stijn Herregodts, Lieven De Wilde, Alexander Van Tongel
BACKGROUND: The most commonly used repair techniques to treat an acromioclavicular dislocation imply a suspension mechanism by substituting the supero-inferior oriented coracoclavicular structures with a tight rope mechanism or allograft. Recently, the importance of restoring the antero-posterior stability by addressing the acromioclavicular structures has also been demonstrated. If an in situ repair at the acromioclavicular joint itself could achieve a reposition and would be strong enough, the suspension of the CC structures might become obsolete...
January 23, 2020: Orthopaedics & Traumatology, Surgery & Research: OTSR
Hasan Taleb, Ahmadreza Afshar, Mohammad J Shariyate, Ali Tabrizi
Background: This study was conducted to evaluate the clinical outcomes of the acromioclavicular joint (ACJ) fixation with hook plate (HP) and continuous loop double endobutton fixation (CLDE) in the treatment of acute ACJ dislocation. Methods: This retrospective study was conducted on eight patients with HP and nine patients with CLDE fixations for acute ACJ dislocations. The subjects were evaluated by various criteria, including disabilities of the Arm, Shoulder, and Hand (DASH), American Shoulder and Elbow Surgeons Standardized Shoulder Assessment (ASES), University of California, Los Angeles (UCLA) shoulder rating scale, Shoulder Constant score, Simple Shoulder Test (SST), and coracoclavicular (CC) distance...
November 2019: Archives of Bone and Joint Surgery
Christian Reintgen, Erik B Gerlach, Bradley S Schoch, Kelly Mamelson, Thomas W Wright, Kevin W Farmer, Joseph J King
Background: Lack of uniformity in reported outcomes makes comparisons between acromioclavicular joint (ACJ) injury studies challenging. Knowledge of common outcome measures and standardization will help orthopaedic surgeons report and compare outcomes more consistently. Purpose: To identify the most commonly reported outcome measures for ACJ injuries. Study Design: Systematic review. Methods: A systematic review was performed to identify all English-language original articles assessing any type of management of ACJ injuries (acute and chronic) in PubMed and Scopus from 2007 to 2017...
January 2020: Orthopaedic Journal of Sports Medicine
John Taylor Mansfield, Mehul J Desai
OBJECTIVE: The objective of this study was to determine the effect of axillary peripheral nerve stimulation (PNS) on pain reduction in patients with chronic shoulder pain. Chronic shoulder pain was defined as pain greater than six months originating from any of the following and not the result of a stroke: subacromial impingement syndrome/rotator cuff pathology, glenohumeral joint arthritis, acromioclavicular joint arthritis, adhesive capsulitis, or biceps tendinopathy. MATERIALS AND METHODS: Eight adult patients with chronic shoulder pain, as defined above, who either did not respond to surgical intervention or who were deemed not ideal surgical candidates underwent permanent axillary PNS therapy...
January 13, 2020: Neuromodulation: Journal of the International Neuromodulation Society
Brian P Kennedy, Zehava Sadka Rosenberg, Michael J Alaia, Mohammad Samim, Erin F Alaia
OBJECTIVE: To report radiographic features and complications of coracoclavicular ligament reconstruction and the association of radiographic features with symptomatology. MATERIALS AND METHODS: Retrospective picture archiving and communication system query (1/2012-8/2018) identified subjects with prior coracoclavicular ligament reconstruction. Post-operative radiographs were reviewed with attention to the following: (1) acromioclavicular alignment, (2) coracoclavicular width, (3) distal clavicular osteolysis, (4) osseous tunnel widening, and (5) hardware complication or fracture...
January 11, 2020: Skeletal Radiology
J Luis Samper-Escudero, Aldo F Contreras-González, Manuel Ferre, Miguel A Sánchez-Urán, David Pont-Esteban
This article describes the performance of a flexible resistive sensor network to track shoulder motion. This system monitors every gesture of the human shoulder in its range of motion except rotations around the longitudinal axis of the arm. In this regard, the design considers the movement of the glenohumeral, acromioclavicular, sternoclavicular, and scapulothoracic joints. The solution presented in this work considers several sensor configurations and compares its performance with a set of inertial measurement units (IMUs)...
January 6, 2020: Soft Robotics
Angelo Iovane, Marco Di Gesù, Francesco Mantia, Ewan Thomas, Giuseppe Messina
RATIONALE: Calcific tendinopathy is one of the most frequent causes of nontraumatic shoulder pain. However, intra-articular calcifications appear to be an infrequent condition. We herein report a rare case study of an intra-articular calcification of the acromioclavicular joint. PATIENT CONCERNS: A 46-year-old man presented with an acute pain in the anterior superior region of the left shoulder which also radiated to the left cervical region. The man during the physical evaluation also presented severe functional limitation of the shoulder movements in all planes of motion...
January 2020: Medicine (Baltimore)
Liam A Peebles, Travis J Dekker, Ramesses A Akamefula, Petar Golijanin, W Jeffrey Grantham, Matthew T Provencher
Although chronic pain and dysfunction of the acromioclavicular (AC) joint can reliably be treated with distal clavicle excision, disruption of the local stabilizing ligamentous structures may result in iatrogenic instability of the joint. Iatrogenic AC joint instability is a rare condition caused by over resection of the distal clavicle with unintended injury to the stabilizing ligaments in the treatment of AC joint pain. Addressing postresection instability can prove to be difficult because most reconstruction techniques are intended for patients with traumatic AC joint instability with the goal of creating an anatomically stable joint...
December 2019: Arthroscopy Techniques
Gun Min Youn, Moyukh O Chakrabarti, Patrick J McGahan, James L Chen
Injuries to the acromioclavicular (AC) joint are common among adults in their twenties and account for 8% of all joint dislocations. Although there are numerous operative approaches to treating AC joint separations, a gold standard does not exist because of lack of conclusive evidence supporting the use of 1 standard technique. In this Technical Note and accompanying video, we describe an anatomic AC joint repair using a suture cerclage tensioning system to accurately control the reduction and improve the precision and outcomes of the repair...
December 2019: Arthroscopy Techniques
Yassine Ochen, Reinier B Beks, Benjamin L Emmink, Philippe Wittich, Detlef van der Velde, R Marijn Houwert, Jort Keizer
Background: Different surgical fixation methods are available for the treatment of acromioclavicular (AC) joint dislocations. The aim of this study was to present the results of five years of experience with the Ligament Augmentation and Reconstruction System (LARS) fixation technique by a single surgeon. Methods: A single-center retrospective cohort study was performed. All patients treated for an AC joint dislocation with LARS fixation by the same surgeon between 2012 and 2016 (n = 20) were eligible for inclusion...
January 2020: Journal of Orthopaedics
Nian-Nian Zhang, Wei-Feng Ren, Lin Liang, Yang-Yi Zhu
No abstract text is available yet for this article.
November 25, 2019: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Daichi Morikawa, Augustus D Mazzocca, Elifho Obopilwe, Mark P Cote, Cameron Kia, Jeremiah D Johnson, Florian B Imhoff, Bastian Scheiderer
PURPOSE: To analyze the posterior translational and rotational stability of the acromioclavicular (AC) joint following reconstruction of the superior acromioclavicular ligament complex (ACLC) using dermal allograft. METHODS: Six fresh-frozen cadaveric shoulders were used (mean age of 65.3 ± 6.9 years). The resistance force against posterior translation (10 mm) and torque against posterior rotation (20°) was measured. Specimens were first tested with both the intact ACLC and coracoclavicular ligaments...
January 2020: Arthroscopy
Joongbae Seo, Kang Heo, Seong-Jun Kim, Jun-Kyom Kim, Hee-Jung Ham, Jaesung Yoo
BACKGROUND: The conventional AO hook locking compression plate (LCP) (Synthes, Solothurn, Switzerland) has only three holes for lateral fragments; therefore it is not suitable for use during the fixation of small-comminuted fragments in some cases. Recently, a novel hybrid hook LCP (TDM, Seoul, Korea) was developed to overcome this limitation. Here, we evaluated the clinical and radiologic outcomes of a novel hybrid hook LCP for Neer type V distal clavicle fractures compared to the outcomes of a conventional AO hook plate...
December 8, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
How-Yun Ko, Ka-Wo Lee
BACKGROUND: Kirschner wire migration is one of the most common complications after internal fixation of fracture or dislocation in the shoulder region. However, cases of contralateral wire migration are rare. We present a case of contralateral loosened Kirschner wire migration from the right acromioclavicular joint to the left side of the neck without damage to any important structures or great vessels. CASE PRESENTATION: We report a case of a loosened Kirschner wire migrating from the right acromioclavicular joint to the left side of the neck in a 34-year-old Taiwanese man following a route of transversal, descendant, and then ascendant directions...
December 11, 2019: Journal of Medical Case Reports
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