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https://www.readbyqxmd.com/read/28932486/-on-track-and-off-track-shoulder-lesions
#1
REVIEW
E Itoi
Shoulder stability depends on the position of the arm as well as activities of the muscles around the shoulder. The capsulo-ligamentous structures are the main stabilisers with the arm at the end-range of movement, whereas negative intra-articular pressure and concavity-compression effect are the main stabilisers with the arm in the mid-range of movement.There are two types of glenoid bone loss: fragment type and erosion type. A bone loss of the humeral head, known as a Hill-Sachs lesion (HSL), is a compression fracture of the humeral head caused by the anterior rim of the glenoid when the humeral head is dislocated anteriorly in front of the glenoid...
August 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28932284/acromial-j-bone-graft-on-the-acromion-for-surgical-treatment-of-glenohumeral-instability-an-anatomical-study
#2
Matthieu Sanchez, Shahnaz Klouche, Bruno Faivre, Thomas Bauer, Philippe Hardy
BACKGROUND: Anterior glenohumeral instability is frequently associated with anteroinferior glenoid bone defects. One original technique has been described in the literature that incorporates a J-shaped graft from the iliac crest into the anterior glenoid rim. The main goal of the present study was to evaluate the feasibility of harvesting a J-shaped graft from the acromion that corresponds to previously described dimensions. The secondary goal was to determine the ideal harvesting site...
October 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28893848/a-review-of-10-years-of-scapula-injuries-sustained-by-uk-military-personnel-on-operations
#3
Darren C Roberts, D M Power, S A Stapley
BACKGROUND: Scapula fractures are relatively uncommon injuries, mostly occurring due to the effects of high-energy trauma. Rates of scapula fractures are unknown in the military setting. The aim of this study is to analyse the incidence, aetiology, associated injuries, treatment and complications of these fractures occurring in deployed military personnel. METHODS: All UK military personnel returning with upper limb injuries from Afghanistan and Iraq were retrospectively reviewed using the Royal Centre for Defence Medicine database and case notes (2004-2014)...
September 11, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28873346/painful-posterior-shoulder-instability-anticipating-and-preventing-failure-a-study-in-25-patients
#4
Jerome Garret, Geoffroy Nourissat, Marie Béatrice Hardy, Diego Antonucci, Philippe Clavert, Pierre Mansat, Arnaud Godenèche
BACKGROUND: Painful posterior shoulder instability (PPSI) is the least common of the three clinical patterns of posterior shoulder instability. PPSI is defined as pain combined with anatomical evidence of posterior instability but no instability events. MATERIAL AND METHOD: We studied a multicentre cohort of 25 patients with PPSI; 23 were identified retrospectively and had a follow-up of at least 2 years and 2 patients were included prospectively. Most patients engaged in sports...
September 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28756567/growth-plate-injury-at-the-base-of-the-coracoid-mri-features
#5
Erin FitzGerald Alaia, Zehava Sadka Rosenberg, Ignacio Rossi, Jonathan Zember, Johannes B Roedl, Lynne Pinkney, Lynne S Steinbach
PURPOSE: To assess the MRI features of growth plate injury at the base of the coracoid process. MATERIALS AND METHODS: Subjects were identified through retrospective search of our department imaging database and teaching files and the teaching files of two outside academic institutions. The coracoid base growth plate was examined with attention to widening, irregularity, abnormal signal intensity of the growth plate, and the presence of adjacent soft tissue edema...
July 29, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28751094/revision-of-failed-shoulder-hemiarthroplasty-to-reverse-total-arthroplasty-analysis-of-157-revision-implants
#6
Giovanni Merolla, Eric Wagner, John W Sperling, Paolo Paladini, Elisabetta Fabbri, Giuseppe Porcellini
BACKGROUND: There remains a paucity of studies examining the conversion of failed hemiarthroplasty (HA) to reverse total shoulder arthroplasty (RTSA). Therefore, the purpose of this study was to examine a large series of revision HA to RTSA. METHODS: A population of 157 patients who underwent conversion of a failed HA to a revision RTSA from 2006 through 2014 were included. The mean follow-up was 49 months (range, 24-121 months). The indications for revision surgery included instability with rotator cuff insufficiency (n = 127) and glenoid wear (n = 30); instability and glenoid wear were associated in 38 cases...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28728432/postoperative-recurrence-of-instability-due-to-new-anterior-glenoid-rim-fractures-after-arthroscopic-bankart-repair
#7
Shigeto Nakagawa, Takehito Hirose, Yuta Tachibana, Ryo Iuchi, Tatsuo Mae
BACKGROUND: Computed tomography (CT) sometimes reveals a new fracture of the anterior glenoid rim in patients with postoperative recurrence of instability after arthroscopic Bankart repair using suture anchors, but there have been few previous reports about such fractures. HYPOTHESIS: The placement of a large number of suture anchors during arthroscopic Bankart repair might be associated with a new glenoid rim fracture. STUDY DESIGN: Cohort study; Level of evidence, 3...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28706846/arthroscopic-reduction-and-fixation-of-transverse-intra-articular-glenoid-fractures-with-scapular-extension
#8
Anastasios Papadonikolakis
The most common procedure to address transverse glenoid fractures that are characterized by intra-articular step-off or gapping is open reduction and internal fixation. Disadvantages of open surgery are delay in regaining full range of motion, increased approach morbidity, neurovascular complications, and the need for capsulotomy, which delays healing and increases the risk of stiffness. An arthroscopically assisted fracture fixation, as described in this article, is characterized by better visualization of the glenoid articular surface and reduction of the intra-articular fragments under direct vision, which diminishes the chances of residual step-off after fixation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28663018/intraoral-vertico-sagittal-ramus-osteotomy-modification-of-the-l-shaped-osteotomy
#9
J Iwanaga, S Kikuta, M Nakamura, A Koba, K Ogata, S Toyofuku, R S Tubbs, J Kusukawa
The sagittal split ramus osteotomy and intraoral vertical ramus osteotomy carry the potential risk of postoperative nerve paralysis, bleeding, and fracture and dislocation of the condyle. In 1992, Choung first described the intraoral vertico-sagittal ramus osteotomy for the purpose of avoiding postoperative dislocation of the condyle. However, there is still potential for damaging the inferior alveolar nerve and maxillary artery with this technique. The authors have developed a modified technique to minimize these risks...
June 26, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28658583/risk-of-engagement-of-bipolar-bone-defects-in-posterior-shoulder-instability
#10
Philipp Moroder, Fabian Plachel, Mark Tauber, Peter Habermeyer, Andreas Imhoff, Dennis Liem, Helmut Lill, Herbert Resch, Christian Gerhardt, Markus Scheibel
BACKGROUND: The risk of re-engagement of bipolar bone defects in posterior shoulder instability has not yet been investigated. HYPOTHESIS: Posterior glenoid defects can lead to the engagement of supposedly noncritical reverse Hill-Sachs lesions (RHSLs). STUDY DESIGN: Descriptive laboratory study. METHODS: In a retrospective multicenter study, 102 cases of posterior shoulder dislocations and resulting RHSLs were collected...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28630753/how-to-deal-with-a-glenoid-fracture
#11
Lars Henrik Frich, Morten Schultz Larsen
The glenoid fossa is involved in approximately 10% of all scapular fractures.Glenoid fossa incongruity is surprisingly well tolerated.Surgery is recommended when 20% or more of the anterior glenoid fossa is involved.Glenoid rim fractures often lead to chronic shoulder instability.Unstable glenoid neck fractures need surgical treatment and stable fractures can be treated conservatively.CT examination with 3D reformations of the glenoid fossa has improved insight into fracture morphology and fracture patterns and is very helpful for clinical decision makers...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28595841/an-atypical-variant-of-superolateral-dislocation-of-the-mandibular-condyle-a-case-report
#12
Kapil Malik, Subhas C Debnath, Apurba K Adhyapok, Kriti Hazarika
Dislocation of the mandibular condyle from the glenoid fossa can occur in anterior, posterior, lateral, and superior directions. Posterior, lateral, and superior dislocations are rare. Superolateral dislocation is seldom encountered in clinical practice. It is generally associated with fracture of the anterior or contralateral side of the mandible. The occurrence of superolateral dislocation of the condyle hooked above the zygomatic arch with an associated fracture of the medial pole of the condyle is rare and has been reported only once in the literature...
May 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28588662/management-of-painful-reverse-shoulder-arthroplasty
#13
REVIEW
Anders L Ekelund
Even though reverse shoulder arthroplasty is a very successful procedure, painful complications occur. During the initial postoperative years, the most common reasons for pain are instability, postoperative fracture of the acromion or spine, and periprosthetic infection. Later, aseptic loosening, with humeral loosening being more frequent that glenoid loosening, can be a source of pain and reduction in function. A careful patient history, clinical examination, plain radiographs, computed tomography and blood tests give an explanation for the pain in most cases...
July 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28567225/clinical-outcomes-and-complications-during-the-learning-curve-for-reverse-total-shoulder-arthroplasty-an-analysis-of-the-first-40-cases
#14
Chul-Hyun Cho, Kwang-Soon Song, Tae-Won Koo
BACKGROUND: The purpose of this study was to investigate the results and complications during the learning curve of reverse total shoulder arthroplasty (RTSA) for rotator cuff deficiency. METHODS: We retrospectively reviewed the first 40 cases of RTSA performed by a single surgeon. The mean age of patients was 72.7 years (range, 63 to 81 years) and mean follow-up period was 26.7 months (range, 9 to 57 months). Clinical outcomes were evaluated using a visual analog scale (VAS) for pain, the University of California at Los Angeles (UCLA) shoulder score, American Shoulder and Elbow Surgeon (ASES) score, subjective shoulder value (SSV), and active range of motion (ROM)...
June 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28553421/irreducible-anterior-shoulder-dislocation-with-interposition-of-the-long-head-of-the-biceps-and-greater-tuberosity-fracture-a-case-report-and-review-of-the-literature
#15
Konstantinos Pantazis, Andreas Panagopoulos, Irini Tatani, Basilis Daskalopoulos, Ilias Iliopoulos, Minos Tyllianakis
BACKGROUND: Failure of closed manipulative reduction of an acute anterior shoulder dislocation is seldom reported in the literature and is usually due to structural blocks such as soft tissue entrapment (biceps, subscapularis, labrum), bony fragments (glenoid, greater tuberosity) and severe head impaction (Hill-Sachs lesion). CASE REPORT: We present a case of an irreducible anterior shoulder dislocation in a 57-year-old male patient after a road-traffic accident...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28547248/inferior-glenoid-fossa-fractures-patho-anatomy-and-results-of-operative-treatment
#16
Jan Bartoníček, Michal Tuček, Daniel Klika
INTRODUCTION: A typical feature of inferior glenoid fractures is a distal fragment separated from the glenoid fossa. In most cases, the inferior glenoid fractures are associated with a fracture of the scapular body. However, there are no detailed studies of inferior glenoid fractures, and only brief mentions can be found in the literature in this respect. MATERIAL AND METHODS: The basic group comprised 42 patients, with the mean age of 48 years, who sustained 42 fractures of the inferior glenoid...
May 25, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28507972/bilateral-coracoid-avulsion-fractures-with-unilateral-anterior-instability-with-glenoid-bone-loss-use-of-avulsed-fragment-for-reconstruction-of-glenoid
#17
Prateek Kumar Gupta, Ashis Acharya, Amit Mourya
INTRODUCTION: Coracoid fractures are often missed since the fracture is not visualized in a routine anteroposterior view of the shoulder and special views are not ordered. Shoulder dislocation is common but it is rare to have a dislocation with a coracoid fracture. The purpose of this paper is to present the rare occurrence of bilateral coracoid fractures in a patient with unilateral anterior shoulder instability managed using the same fractured coracoid fragment by the latarjet procedure...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28439163/superolateral-dislocation-of-bilateral-intact-mandibular-condyles-a-rare-case-series
#18
Satishkumar G Patil, Bindu S Patil, Udupikrishna Joshi, B M Rudagi, Aafreen Aftab
BACKGROUND AND PURPOSE: The dislocation of mandibular condyle is a clinical condition in which the head of condyle has been displaced out of the glenoid fossa. Complete dislocation of the mandibular condyle can occur in anterior, posterior, lateral and superior direction. Among these dislocations, bilateral superolateral dislocation of mandibular condyles is quite rare and often misdiagnosed. Because of its rare occurrence and unusual clinical course, the best treatment is debatable. PATIENTS AND METHOD: We present the first case series of true bilateral superolateral dislocation of intact mandibular condyles (Type 2B) without fracturing the Zygomatic arch, associated with symphysis fracture...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28430721/outcomes-of-reverse-total-shoulder-arthroplasty-for-proximal-humeral-fractures-primary-arthroplasty-versus-secondary-arthroplasty-after-failed-proximal-humeral-locking-plate-fixation
#19
Emilio Sebastia-Forcada, Alejandro Lizaur-Utrilla, Román Cebrian-Gomez, Francisco A Miralles-Muñoz, Fernando A Lopez-Prats
OBJECTIVE: To compare the outcomes of reverse shoulder arthroplasty (RSA) between patients with failed proximal humeral locking plate (PHLP) fixation and those with acute fractures. DESIGN: Matched case-control study. SETTING: University hospital, Level I trauma center. PATIENTS: Thirty consecutive patients with fracture sequelae because of failed PHLP fixation (mean age 73) were age and sex matched to 30 patients with acute fracture (mean age 75)...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28408254/midterm-outcomes-of-bone-grafting-in-glenoid-defects-treated-with-reverse-shoulder-arthroplasty
#20
Yaiza Lopiz, Carlos García-Fernández, Alvaro Arriaza, Belen Rizo, Hector Marcelo, Fernando Marco
BACKGROUND: Large glenoid defects are a difficult reconstructive problem for shoulder surgeons. The purpose of this study was to determine the complications, rate of healing, and functional results of glenoid bone grafting in primary or revision surgery with reverse shoulder arthroplasty. METHODS: We retrospectively reviewed 23 patients with glenoid bone loss who underwent primary or revision surgery using a glenoid bone graft with a minimum follow-up of 2 years...
April 10, 2017: Journal of Shoulder and Elbow Surgery
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