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https://www.readbyqxmd.com/read/28315143/unclassified-mr-arthrography-pattern-evaluation-in-patients-with-episodes-of-recurrent-antero-inferior-shoulder-dislocation
#1
Luca Saba, Massimo De Filippo
PURPOSE: To evaluate prospectively the incidence of unclassifiable MR arthrography patterns of glenoid anterior-inferior labrum lesions, in patients with at least two episodes of recurrent antero-inferior shoulder dislocation. MATERIALS AND METHODS: The MR shoulder Arthrography images of 36 patients, with at least two episodes of recurrent antero-inferior dislocation, were prospectively evaluated, during a period between November 2015 and Mai 2016. All patients were contacted after 6 months of the MR arthrography to evaluate their course of treatment...
March 17, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28314887/mechanical-strains-passing-through-the-acetabular-labrum-modify-its-shape-during-hip-motion-an-anatomical-study
#2
Matthieu Ollivier, Thomas Le Corroller, Sebastien Parratte, Patrick Chabrand, Jean-Noël Argenson, Olivier Gagey
PURPOSE: The function of the hip labrum during hip motion remains poorly known. Our hypothesis was that acetabular labrum will deform and change its shape during adduction to abduction movement consecutively to variation of strains passing from the acetabulum to the femoral head. An ex vivo anatomical study was conducted to analyse the morphological parameters variation of the mid-portion of the labrum (length, thickness, shape, deformation) as well as femoro-labral strains during hip adduction to abduction movement...
March 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28298065/clinical-assessment-of-the-dynamic-labral-shear-test-for-superior-labrum-anterior-and-posterior-lesions
#3
Sonal Sodha, Uma Srikumaran, Kyubo Choi, Amrut U Borade, Edward G McFarland
BACKGROUND: Diagnosing superior labrum anterior and posterior (SLAP) lesions through physical examination remains challenging. The dynamic labral shear test (DLST) has been shown to have likelihood ratios (LRs) of 31.6 and 1.1 for diagnosing SLAP lesions. PURPOSE: To determine the clinical utility of the DLST for diagnosing SLAP lesions. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: This prospective, consecutive case series included 774 patients who underwent diagnostic arthroscopy and a preoperative DLST between 2007 and 2013...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28264280/notes-on-species-of-the-genus-i-chlaenius-i-bonelli-1810-coleoptera-carabidae-chlaeniini-from-four-agro-climatic-zones-of-rajasthan-with-description-of-two-new-species
#4
N Yaiphabi Chanu, R Swaminathan
Fourteen species of the genus Chlaenius from the semi-arid and sub-humid plain zones of Rajasthan (India) have been revised in this paper, including the description of two new species: Chlaenius (Lissauchenius) udaipurensis sp. nov. and Chlaenius (Chlaeniellus) pseudotristis sp. nov. A key to these species has been given with suitable line diagrams and photographs to illustrate key taxonomic characters including labrum, mentum, maxillary and labial palpi, pronotum, elytra and aedeagus.
March 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/28249968/defining-modes-of-failure-after-joint-preserving-surgery-of-the-hip
#5
P E Beaulé, H Bleeker, A Singh, J Dobransky
AIMS: Joint-preserving surgery of the hip (JPSH) has evolved considerably and now includes a number of procedures, including arthroscopy, surgical dislocation, and redirectional osteotomies of the femur and acetabulum. There are a number of different factors which lead to failure of JPSH. Consequently, it is of interest to assess the various modes of failure in order to continue to identify best practice and the indications for these procedures. PATIENTS AND METHODS: Using a retrospective observational study design, we reviewed 1013 patients who had undergone JPSH by a single surgeon between 2005 and 2015...
March 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28249340/arthroskopische-therapie-bei-spinoglenoidalem-ganglion
#6
Kilian Rueckl, Christian Konrads, Thomas Barthel, Maximilian Rudert, Friedrich Boettner, Piet Plumhoff
Aims and Indications A paralabral ganglion cyst of the shoulder can cause neuropathy of the inferior branches of the suprascapular nerve. This can lead to atrophy of the infraspinatus muscle. Arthroscopic decompression of the cyst in combination with repair of the associated labrum tear appears to be an effective treatment option. Methods Initially the connection of the cyst to the joint in the area of the posterior rim of the glenoid is identified arthroscopically. Following the decompression of the cyst the labrum tear is repaired to avoid recurrence...
February 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28243338/the-bony-bankart-lesion-how-to-measure-the-glenoid-bone-loss
#7
REVIEW
Jarosław Skupiński, Małgorzata Zofia Piechota, Wojciech Wawrzynek, Jarosław Maczuch, Anna Babińska
An osseous Bankart lesion is commonly seen in patients with an anterior shoulder dislocation. It is defined as a detachment of the anteroinferior labrum associated with a glenoid rim fracture. Radiological studies are crucial not only for detecting glenoid bone defects but also for measuring the amount of bone loss. The precise quantification of the bony defect is crucial for the therapeutic desicion-making and clinical outcomes. Although we know that major glenoid bone loss requires surgical intervention, none of the studies performed so far answered the question what size of the defect should be an indication for open surgery procedures...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28235123/management-of-proximal-biceps-pathology-in-overhead-athletes-what-is-the-role-of-biceps-tenodesis
#8
REVIEW
Justin W Griffin, Timothy S Leroux, Anthony A Romeo
Overhead throwing is a common causative factor in disorders of the proximal biceps in athletes. In recent years, arthroscopic repair of unstable superior labral tears or biceps tendonitis involving the long head of the biceps tendon anchor has become the standard of care. However, in some cases, superior labrum anterior-posterior (SLAP) repair requires additional evaluation and even revision surgery, which contributes to patient dissatisfaction. Differentiating overall biceps tendonitis from superior labral tears alone can be a challenge...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235117/safety-of-superior-labrum-anterior-and-posterior-slap-repair-posterior-to-biceps-tendon-is-improved-with-a-percutaneous-approach
#9
COMPARATIVE STUDY
Patrick J Denard, Christopher R Adams
We conducted a study to compare a standard anterosuperolateral (ASL) portal with a percutaneous Port of Wilmington (PW) portal for repair of superior labrum anterior and posterior (SLAP) tears. We hypothesized that anchors placed through the PW portal would be less likely to penetrate the glenoid or injure the suprascapular nerve (SSN). This study used 6 matched-pair cadaveric shoulders. Two anchors were arthroscopically placed posterior to the biceps, at 11 o'clock and 10 o'clock, to simulate a SLAP repair...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235109/treatment-of-femoroacetabular-impingement-labrum-cartilage-osseous-deformity-and-capsule
#10
REVIEW
Marc J Philippon, Ioanna Bolia, Renato Locks, Hajime Utsunomiya
Femoroacetabular impingement (FAI) surgery aims to restore the native anatomical relationships between bones and the soft tissues comprising the hip joint. The goal of this approach is to mimic the natural biomechanical function of the hip joint and translate it into a perfect clinical outcome. In this article, we describe the indications and contraindications for our preferred hip arthroscopic techniques for correcting FAI in both primary and revision cases and discuss the role of postoperative rehabilitation and use of biologics in further improving patient outcomes...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28233552/higher-medially-directed-joint-reaction-forces-are-a-characteristic-of-dysplastic-hips-a-comparative-study-using-subject-specific-musculoskeletal-models
#11
Michael D Harris, Bruce A MacWilliams, K Bo Foreman, Christopher L Peters, Jeffrey A Weiss, Andrew E Anderson
Acetabular dysplasia is a known cause of hip osteoarthritis. In addition to abnormal anatomy, changes in kinematics, joint reaction forces (JRFs), and muscle forces could cause tissue damage to the cartilage and labrum, and may contribute to pain and fatigue. The objective of this study was to compare lower extremity joint angles, moments, hip JRFs and muscle forces during gait between patients with symptomatic acetabular dysplasia and healthy controls. Marker trajectories and ground reaction forces were measured in 10 dysplasia patients and 10 typically developing control subjects...
March 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28229565/calcifying-tendinitis-of-the-long-head-of-the-biceps-brachii-and-superior-labrum-a-report-of-one-case-and-literature-review
#12
Xing-He Xue, Zhen-Hua Feng, Zhen-Xing Li, Xiao-Yun Pan
INTRODUCTION: Calcifying tendinitis of the shoulder is characterized with the formation of the calcium deposits in tendon, which mostly involves supraspinatus. The formation of the calcium deposits may be related to the excessive mechanical stimulation and non-tenocytes generation from tendon stem cell. The disease is usually associated with pain, especially when activating the shoulder. MATERIALS AND METHODS: We describe one case of calcifying tendinitis involving the long head of the biceps brachii and superior labrum...
February 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28224441/does-medicaid-insurance-confer-adequate-access-to-adult-orthopaedic-care-in-the-era-of-the-patient-protection-and-affordable-care-act
#13
Joseph T Labrum, Taylor Paziuk, Theresa C Rihn, Alan S Hilibrand, Alexander R Vaccaro, Mitchell G Maltenfort, Jeffrey A Rihn
BACKGROUND: A current appraisal of access to orthopaedic care for the adult patient receiving Medicaid is important, since Medicaid expansion was written into law by the Patient Protection and Affordable Care Act (PPACA). QUESTIONS/PURPOSES: (1) Do orthopaedic practices provide varying access to orthopaedic care for simulated patients with Medicaid insurance versus private insurance in a blinded survey? (2) What are the surveyed state-by-state Medicaid acceptance rates for adult orthopaedic practices in the current era of Medicaid expansion set forth by the PPACA? (3) Do surveyed rates of access to orthopaedic care in the adult patient population vary across practice setting (private vs academic) or vary with different Medicaid physician reimbursement rates? (4) Are there differences in the surveyed Medicaid acceptance rates for adult orthopaedic practices in states that have expanded Medicaid coverage versus states that have foregone expansion? METHODS: Simulated Patient Survey: We performed a telephone survey study of orthopaedic offices in four states with Medicaid expansion...
February 21, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28224066/the-use-of-accessory-portals-in-bankart-repair-with-posterior-extension-in-the-lateral-decubitus-position
#14
Gregory L Cvetanovich, Jason T Hamamoto, Kevin J Campbell, Mark McCarthy, John D Higgins, Nikhil N Verma
The Bankart lesion, in which the anteroinferior labrum is detached from the glenoid, is the critical anatomic lesion in the majority of patients with anterior glenohumeral instability. Some patients with anterior glenohumeral instability will have Bankart lesions with posterior extension beyond the 6-o'clock position, and achieving anatomic labral repair in these cases can present a technical challenge. In our experience, the lateral decubitus position and use of accessory portals allow superior visualization of the inferior half of the glenohumeral joint for glenoid and labral preparation, anchor placement, and suture management...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28210944/postoperative-imaging-in-arthroscopic-hip-surgery
#15
REVIEW
F Di Pietto, V Chianca, R de Ritis, E Cesarano, A Reginelli, A Barile, M Zappia, L Ginolfi
Arthroscopic surgery of the hip, compared to that of the knee or the shoulder, has only recently been developed in any significant way. Current indications for arthroscopic surgery of the hip include: diagnosis and treatment of lesions symptomatic of the acetabular labrum, femoroacetabular impingement (FAI), chondral lesions, joint infections, lesions of the teres ligament, impingement of the psoas tendon, pathology of the peritrochanteric space, external snapping hip (coxa saltans), and traumatic and atraumatic instability...
February 16, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28210648/utilization-of-platelet-rich-plasma-for-musculoskeletal-injuries-an-analysis-of-current-treatment-trends-in-the-united-states
#16
Joanne Y Zhang, Peter D Fabricant, Chad R Ishmael, Jeffrey C Wang, Frank A Petrigliano, Kristofer J Jones
BACKGROUND: Platelet-rich plasma (PRP) has emerged as a popular biologic treatment for musculoskeletal injuries and conditions. Despite numerous investigations on the efficacy of PRP therapy, current utilization of this treatment within the United States is not widely known. PURPOSE: To investigate the national utilization of PRP, including the incidence and conditions for which it is used in the clinical setting, and to determine the current charges associated with this treatment...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203588/return-to-play-and-prior-performance-in-major-league-baseball-pitchers-after-repair-of-superior-labral-anterior-posterior-tears
#17
Ryan Smith, Daniel J Lombardo, Graysen R Petersen-Fitts, Charles Frank, Troy Tenbrunsel, Gannon Curtis, James Whaley, Vani J Sabesan
BACKGROUND: The published return-to-play (RTP) rates for Major League Baseball (MLB) pitchers who have undergone surgical repair of superior labrum anterior-posterior (SLAP) tears vary widely and are generally accepted to be lower in the subset of competitive throwers. The efficacy of surgical treatment for MLB players is largely unknown. PURPOSE: To examine the RTP rate and performance of MLB pitchers who have undergone SLAP tear repair between 2003 and 2010. STUDY DESIGN: Descriptive epidemiological study...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197872/mr-arthrography-of-the-shoulder-evaluation-of-isotropic-3d-intermediate-weighted-fse-and-hybrid-gre-t1-weighted-sequences
#18
Giovanni Foti, Paolo Avanzi, William Mantovani, Flavia Dal Corso, Emanuele Demozzi, Claudio Zorzi, Giovanni Carbognin
PURPOSE: To compare the diagnostic accuracy of three-dimensional (3D) fast spin echo (FSE) intermediate-weighed (IW-3D) and 3D hybrid double-echo steady-state T1-weighted sequences (Hy-3D) and two-dimensional (FSE) images (2D) at shoulder MR arthrography (MRA). MATERIALS AND METHODS: Institutional review board approval was obtained and informed consent was waived for this retrospective study. From September 2011 to October 2014, 102 patients who had undergone 1...
February 15, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28197752/surgical-dislocation-for-pediatric-and-adolescent-hip-deformity-clinical-and-radiographical-results-at-3%C3%A2-years-follow-up
#19
Nicola Guindani, Oliver Eberhardt, Thomas Wirth, Michele F Surace, Francisco F Fernandez
INTRODUCTION: The aim of this study is to evaluate the clinical, radiographic short-term results and complications after surgical hip dislocation in young patients (≤18 years). MATERIALS AND METHODS: Clinical and radiographic outcomes were assessed in patients who underwent a surgical hip dislocation Ganz-type approach between 2008 and 2012. Diagnosis included Legg-Calvé-Perthes disease, slipped capital femoral epiphysis, femoroacetabular impingement, osteonecrosis of the femoral head, multiple hereditary exostoses and pigmented villonodular synovitis...
April 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28195988/decision-making-for-labral-treatment-in-the-hip-repair-versus-d%C3%A3-bridement-versus-reconstruction
#20
Benjamin G Domb, David E Hartigan, Itay Perets
The role and function of the acetabular labrum have been studied extensively in the past decade. Recent studies have proposed that, in addition to causing pain and mechanical symptoms, labral tears may accelerate arthritis. Labral preservation is believed to be important because of the role the labrum plays in maintaining a healthy joint. Treatment of the acetabular labrum is becoming one of the fastest growing fields in orthopaedics; therefore, the treatment decision-making process must be refined. Currently, three commonly practiced labral treatments are available: repair, débridement, and reconstruction...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
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