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https://www.readbyqxmd.com/read/28547587/new-quantitative-radiographic-parameters-for-vertical-and-horizontal-instability-in-acromioclavicular-joint-dislocations
#1
Matthias A Zumstein, Philippe Schiessl, Benedikt Ambuehl, Lilianna Bolliger, Johannes Weihs, Martin H Maurer, Beat K Moor, Michael Schaer, Sumit Raniga
PURPOSE: The aim of this study was to identify the most accurate and reliable quantitative radiographic parameters for assessing vertical and horizontal instability in different Rockwood grades of acromioclavicular joint (ACJ) separations. Furthermore, the effect of projectional variation on these parameters was investigated in obtaining lateral Alexander view radiographs. METHODS: A Sawbone model of a scapula with clavicle was mounted on a holding device, and acromioclavicular dislocations as per the Rockwood classification system were simulated with the addition of horizontal posterior displacement...
May 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28477219/reliability-of-ultrasound-grading-traditional-score-and-new-global-omeract-eular-score-system-gloess-results-from-an-inter-and-intra-reading-exercise-by-rheumatologists
#2
Lucio Ventura-Ríos, Cristina Hernández-Díaz, Diana Ferrusquia-Toríz, Esteban Cruz-Arenas, Pedro Rodríguez-Henríquez, Ana Laura Alvarez Del Castillo, Alfredo Campaña-Parra, Efrén Canul, Gerardo Guerrero Yeo, Juan Jorge Mendoza-Ruiz, Mario Pérez Cristóbal, Sandra Sicsik, Karina Silva Luna
This study aims to test the reliability of ultrasound to graduate synovitis in static and video images, evaluating separately grayscale and power Doppler (PD), and combined. Thirteen trained rheumatologist ultrasonographers participated in two separate rounds reading 42 images, 15 static and 27 videos, of the 7-joint count [wrist, 2nd and 3rd metacarpophalangeal (MCP), 2nd and 3rd interphalangeal (IPP), 2nd and 5th metatarsophalangeal (MTP) joints]. The images were from six patients with rheumatoid arthritis, performed by one ultrasonographer...
May 5, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28458012/lack-of-genotoxicity-in%C3%A2-vivo-for-food-color-additive-allura-red-ac
#3
Maria Bastaki, Thomas Farrell, Sachin Bhusari, Kamala Pant, Rohan Kulkarni
Allura Red AC is an approved food color additive internationally with INS number 129, in the United States as food color subject to batch certification "Food, Drug, and Cosmetic" (FD&C) Red No. 40, and in Europe as food color additive with E number 129. In their evaluation of the color (2013), the European Food Safety Authority (EFSA) expressed concerns of potential genotoxicity, based primarily on one genotoxicity study that was not conducted according to Guidelines. The present in vivo genotoxicity study was conducted according to OECD Guidelines in response to EFSA's request for additional data...
April 27, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28454783/lack-of-genotoxicity-in%C3%A2-vivo-for-food-color-additive-tartrazine
#4
Maria Bastaki, Thomas Farrell, Sachin Bhusari, Kamala Pant, Rohan Kulkarni
Tartrazine is approved as a food color additive internationally with INS number 102, in the United States as food color subject to batch certification "Food, Drug, and Cosmetic" (FD&C) Yellow No. 5, and in Europe as food color additive with E number 102. In their evaluation of the color (2013), the European Food Safety Authority (EFSA) expressed concerns of potential genotoxicity, based primarily on one genotoxicity study that was not conducted according to Guidelines. The present in vivo genotoxicity study was conducted according to OECD Guidelines in response to EFSA's request for additional data...
April 25, 2017: Food and Chemical Toxicology
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
#5
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/28413226/grade-v-acromioclavicular-joint-separation-in-a-57-year-old-mountain-biker
#6
Peter C Emary, Kylie M Watkins, John A Taylor
Patients rarely present to a chiropractic office setting during the acute stage of a high-grade (i.e. Rockwood types IV-VI) separation of the acromioclavicular (AC) joint. Moreover, such cases are non-existent in the peer-reviewed chiropractic literature. Some controversy exists over the optimal (surgical vs. non-surgical) treatment of severe AC joint injuries. Published reports of nonoperative management for grade V injuries of the AC joint are also scarce. This case review highlights the plain film imaging and conservative management of a 57-year-old patient diagnosed with an acute Rockwood type V AC joint separation...
March 2017: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/28375560/evaluation-of-a-direct-motion-estimation-correction-method-in-respiratory-gated-pet-mri-with-motion-adjusted-attenuation
#7
Alexandre Bousse, Richard Manber, Beverley F Holman, David Atkinson, Simon Arridge, Sébastien Ourselin, Brian F Hutton, Kris Thielemans
PURPOSE: Respiratory motion compensation in PET/CT and PET/MRI is essential as motion is a source of image degradation (motion blur, attenuation artifacts). In previous work, we developed a direct method for joint image reconstruction/motion estimation (JRM) for attenuation-corrected (AC) respiratory-gated PET, which uses a single attenuation-map (μ-map). This approach was successfully implemented for respiratory-gated PET/CT, but since it relied on an accurate μ-map for motion estimation, the question of its applicability in PET/MRI is open...
April 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/27989719/coracoid-bypass-procedure-surgical-technique-for-coracoclavicular-reconstruction-with-coracoid-insufficiency
#8
Mandeep S Virk, Evan Lederman, Christopher Stevens, Anthony A Romeo
BACKGROUND: Failed acromioclavicular (AC) joint reconstruction secondary to a coracoid fracture or insufficiency of the coracoid is an uncommon but challenging clinical situation. We describe a surgical technique of revision coracoclavicular (CC) reconstruction, the coracoid bypass procedure, and report short-term results with this technique in 3 patients. METHODS: In the coracoid bypass procedure, reconstruction of the CC ligaments is performed by passing a tendon graft through a surgically created bone tunnel in the scapular body (inferior to the base of the coracoid) and then fixing the graft around the clavicle or through bone tunnels in the clavicle...
December 15, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27940250/comparative-study-on-the-treatment-of-rockwood-type-iii-acute-acromioclavicular-dislocation-clinical-results-from-the-tightrope-%C3%A2-technique-vs-k-wire-fixation
#9
K Horst, C Garving, T Thometzki, P Lichte, M Knobe, T Dienstknecht, M Hofman, H-C Pape
BACKGROUND AND HYPOTHESIS: The aim of this study was to address the inconsistency regarding the operative treatment of Rockwood type III acromioclavicular joint separation. We compared results after single- and double TightRope(®) reduction with results after acromioclavicular transfixation via K-wires only and additional ligament augmentation in acute acromioclavicular (AC) joint separations graded Rockwood type III, and hypothesized that the TightRope(®) technique leads to better clinical and radiological results...
April 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27855670/influence-of-disruption-of-the-acromioclavicular-and-coracoclavicular-ligaments-on-glenohumeral-motion-a-kinematic-evaluation
#10
Kempland C Walley, Babak Haghpanah, Andreas Hingsammer, Ethan R Harlow, Ashkan Vaziri, Joseph P DeAngelis, Ara Nazarian, Arun J Ramappa
BACKGROUND: Changes to the integrity of the acromioclavicular (AC) joint impact scapulothoracic and clavicular kinematics. AC ligaments provide anterior-posterior stability, while the coracoclavicular (CC) ligaments provide superior-inferior stability and a restraint to scapular internal rotation. The purpose of this cadaveric study was to describe the effect of sequential AC and CC sectioning on glenohumeral (GH) kinematics during abduction (ABD) of the arm. We hypothesized that complete AC ligament insult would result in altered GH translation in the anterior-posterior plane during abduction, while subsequent sectioning of both CC ligaments would result in an increasing inferior shift in GH translation...
November 17, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27703932/acromioclavicular-joint-dislocation-with-ipsilateral-mid-third-clavicle-mid-shaft-humerus-and-coracoid-process-fracture-a-case-report
#11
Naveen Sharma, Avinash Mandloi, Ashish Agrawal, Shailendra Singh
INTRODUCTION: The clavicle, humerus and acromioclavicular (AC) joint separately are very commonly involved in traumatic injuries around the shoulder. Acromioclavicular joint dislocation with distal clavicle fracture is a well recognized entity in clinical practice. AC joint dislocation with mid shaft clavicle fracture is uncommon and only few cases have been reported in literature. However, to the best of our knowledge, this is the first case report to describe an acromioclavicular dislocation with ipsilateral mid shaft clavicle, mid shaft humerus and coracoid process fracture...
April 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27435407/an-imperfect-past-lessons-learned-from-the-national-review-of-asthma-deaths-nrad-uk
#12
EDITORIAL
Shuaib Nasser
Asthma deaths are a barometer of the quality of asthma care. The principal care for patients with severe asthma is often a joint partnership between primary and secondary services. Communication between the two services determines the effectiveness of treatment. Undertaking an audit on asthma in either primary or separately in secondary care is a relatively straightforward process. However, when the audit spans both primary and secondary care in a country as large as the United Kingdom which is further sub-divided into the separate healthcare systems of England, Wales, Scotland, and Northern Island, then the audit becomes considerably more challenging...
2016: Respiratory Research
https://www.readbyqxmd.com/read/27334621/comparison-of-surgical-outcomes-between-fixation-with-hook-plate-and-loop-suspensory-fixation-for-acute-unstable-acromioclavicular-joint-dislocation-a-systematic-review-and-meta-analysis
#13
REVIEW
Alisara Arirachakaran, Manusak Boonard, Peerapong Piyapittayanun, Vajarin Phiphobmongkol, Kornkit Chaijenkij, Jatupon Kongtharvonskul
Treatment of acute (≤4 weeks) high-grade acromioclavicular (AC) joint separation (types III-VI) is still controversial. Currently, the two modern techniques that are widely used include hook plate fixation and coracoclavicular (CC) ligament fixation using a suspensory loop device (tightrope, synthetic ligament or absorbable polydioxansulfate sling). These techniques are both reported to have superior clinical outcomes. This systematic review and meta-analysis aimed to assess and compare clinical outcomes of hook plate fixation versus fixation of the CC ligament using a loop suspensory fixation (LSF) device for the treatment of AC joint injury...
August 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27315820/the-orientation-and-variation-of-the-acromioclavicular-ligament-an-anatomic-study
#14
Masataka Nakazawa, Akimoto Nimura, Tomoyuki Mochizuki, Masahiro Koizumi, Tatsuo Sato, Keiichi Akita
BACKGROUND: Several biomechanical studies have shown that the acromioclavicular (AC) ligament prevents posterior translation of the clavicle in the horizontal plane. In anatomy textbooks, however, the AC ligament is illustrated as running straight across the AC joint surface. HYPOTHESIS: The AC ligament does not run straight across the joint surface, and the configuration of the AC ligament may vary. STUDY DESIGN: Descriptive laboratory study...
June 17, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26759765/arthroscopic-assisted-acromioclavicular-joint-reconstruction-using-the-tightrope-device-with-allograft-augmentation-surgical-technique
#15
Rachel M Frank, Scott W Trenhaile
Surgical management of acromioclavicular (AC) joint separations remains challenging, especially in the revision setting. Most commonly, Rockwood type I and II injuries are managed nonoperatively whereas type IV, V, and VI injuries are managed with surgery. Type III separations are more controversial, with evidence supporting both nonoperative and operative treatment options. Multiple different arthroscopic techniques have been described; however, there is no current gold standard. AC joint reconstruction with the TightRope device (Arthrex, Naples, FL) with the patient in the lateral decubitus position is a method of restoring joint stability that allows for a minimally invasive, low-profile fixation construct using a single drill hole through the clavicle...
August 2015: Arthroscopy Techniques
https://www.readbyqxmd.com/read/26685688/acromioclavicular-joint-dislocations-coracoclavicular-reconstruction-with-and-without-additional-direct-acromioclavicular-repair
#16
Lukas Weiser, Jakob V Nüchtern, Kay Sellenschloh, Klaus Püschel, Michael M Morlock, Johannes M Rueger, Michael Hoffmann, Wolfgang Lehmann, Lars G Großterlinden
PURPOSE: To evaluate different stabilisation techniques for acromioclavicular (AC) joint separations, including direct AC repair, and to compare the properties of the stabilised and native joints. METHODS: An established in vitro testing model for the AC joint was used to analyse joint stability after surgical reconstruction [double TightRope (DTR), DTR with AC repair (DTR + AC), single TR with AC repair (TR + AC), and PDS sling with AC repair (PDS + AC)]...
December 19, 2015: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/26548513/reliability-of-radiographic-measurements-for-acromioclavicular-joint-separations
#17
O Gastaud, J L Raynier, F Duparc, L Baverel, K Andrieu, N Tarissi, J Barth
INTRODUCTION: The treatment of acromioclavicular (AC) joint separations is controversial, particularly for Rockwood type III injuries. Rockwood type IV injuries, which correspond to horizontal instability, are very likely under-diagnosed. The objective of this study was to evaluate the inter- and intra-observer reproducibility of the Rockwood classification through an evaluation of standard radiographs, as described in the original article. MATERIAL AND METHODS: This was a prospective radiographic study using protocol-based data from the 2014 symposium of the French Society of Arthroscopy (SFA)...
December 2015: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/25914562/complications-following-arthroscopic-fixation-of-acromioclavicular-separations-a-systematic-review-of-the-literature
#18
REVIEW
Jarret M Woodmass, John G Esposito, Yohei Ono, Atiba A Nelson, Richard S Boorman, Gail M Thornton, Ian Ky Lo
PURPOSE: Over the past decade, a number of arthroscopic or arthroscopically assisted reconstruction techniques have emerged for the management of acromioclavicular (AC) separations. These techniques provide the advantage of superior visualization of the base of the coracoid, less soft tissue dissection, and smaller incisions. While these techniques have been reported to provide excellent functional results with minimal complications, discrepancies exist within the literature. This systematic review aims to assess the rate of complications following these procedures...
2015: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/25729529/acromioclavicular-septic-arthritis-and-sternoclavicular-septic-arthritis-with-contiguous-pyomyositis
#19
Sally A Corey, William A Agger, Andrew T Saterbak
Acromioclavicular (AC) and sternoclavicular (SC) septic arthritis with contiguous pyomyositis are rare, especially in immunocompetent individuals. We report a case of septic AC joint with pyomyositis of the deltoid and supraspinatus muscles and a separate case with septic SC joint with pyomysitis of the sternocleidomastoid muscle. Both patients had similar presentations of infections with Staphylococcus aureus and were successfully treated with surgical incision and drainage followed by prolonged antibiotic therapy...
March 2015: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/25582873/return-to-play-after-nonoperative-management-for-a-severe-type-iii-acromioclavicular-separation-in-the-throwing-shoulder-of-a-collegiate-pitcher
#20
Scott T Watson, Douglas J Wyland
BACKGROUND: Treatment of type III acromioclavicular (AC) separations is controversial, especially in the dominant shoulder of a high-level throwing athlete. This case report describes the return to play after nonoperative management of a collegiate baseball pitcher with a severe type III AC separation in his throwing shoulder. HYPOTHESIS/PURPOSE: Case report of return to play with nonoperative management of a type III AC separation in the throwing shoulder of a collegiate pitcher...
February 2015: Physician and Sportsmedicine
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