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https://www.readbyqxmd.com/read/27923602/patient-specific-chondrolabral-contact-mechanics-in-patients-with-acetabular-dysplasia-following-treatment-with-peri-acetabular-osteotomy
#1
Christine L Abraham, Spencer J Knight, Christopher L Peters, Jeffrey A Weiss, Andrew E Anderson
OBJECTIVE: Using a validated, patient-specific finite element (FE) modeling protocol, we evaluated cartilage and labrum (i.e. chondrolabral) mechanics before and after peri-acetabular osteotomy (PAO) to provide insight into the ability of this procedure to improve mechanics in dysplastic hips. DESIGN: Five patients with acetabular dysplasia were recruited in this case-controlled, prospective study. Models, which included anatomy for bone, cartilage, and labrum, were generated from computed tomography arthrography scans acquired before and after PAO...
December 3, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27904970/reliability-of-magnetic-resonance-imaging-versus-arthroscopy-for-the-diagnosis-and-classification-of-superior-glenoid-labrum-anterior-to-posterior-lesions
#2
Fatih Yıldız, Kerem Bilsel, Anıl Pulatkan, Gökçer Uzer, Ayşe Aralaşmak, Musa Atay
PURPOSE: The physical examination of the shoulder is usually not reliable for the true diagnosis of superior glenoid labrum anterior to posterior (SLAP) lesions. Magnetic resonance imaging (MRI) has been routinely used for the diagnosis. This prospective study investigates the radiological diagnosis of the SLAP lesions and compares accuracy of arthroscopic and MRI classifications. METHODS: One hundred thirty-two patients with positive physical examination signs using O'Brien, Yergason, resistance supination external rotation and Krank tests and MRI findings are included in the study...
November 30, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27872991/shoulder-manual-muscle-resistance-test-cannot-fully-detect-muscle-weakness
#3
Takayuki Nagatomi, Tatsuo Mae, Teruyoshi Nagafuchi, Shin-Ichi Yamada, Koutatsu Nagai, Minoru Yoneda
PURPOSE: The shoulder manual resistance test is one of the common clinical assessments for patients with muscle weakness. However, there have been no studies investigating the threshold for muscle weakness. The purpose of this study was to clarify the threshold for muscle weakness in the shoulder manual muscle resistance test. METHODS: Fifty-three patients (37.9 ± 20.6 years old) with either rotator cuff tear (21 patients), superior labrum anterior-to-posterior (SLAP) lesion (7 patients), or Bankart lesion (25 patients) of one shoulder were administered three manual muscle resistance tests (abduction strength, external rotation, and belly press tests)...
November 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27826700/a-systematic-review-and-meta-analysis-of-diagnostic-test-of-mra-versus-mri-for-detection-superior-labrum-anterior-to-posterior-lesions-type-ii-vii
#4
REVIEW
Alisara Arirachakaran, Manusak Boonard, Kornkit Chaijenkij, Kwanchai Pituckanotai, Akom Prommahachai, Jatupon Kongtharvonskul
OBJECTIVE: To determine the diagnostic performance of magnetic resonance arthrography (MRA) and magnetic resonance imaging (MRI) in superior labrum anterior to posterior lesions (type II-VII) of the shoulder. MATERIAL AND METHODS: PubMed and Scopus search engines, an electronic search of articles was performed from inception to February 19, 2016. Diagnostic performance of index tests was compared by the summary area under receiver operator characteristic curve (AUROC)...
November 8, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27811520/shoulder-and-elbow-injuries-in-the-adolescent-athlete
#5
Mia Smucny, Joel Kolmodin, Paul Saluan
With the recent increase in youth sports participation and single-sport youth athletes over the past 30 years, there has been an increase in the number of acute and overuse sports injuries in this population. This review focuses on overuse and traumatic injuries of the shoulder and elbow in young athletes. In particular we discuss little league shoulder, glenohumeral internal rotation deficit, glenohumeral instability, superior labrum anterior posterior lesions, Little League elbow, Panner disease, osteochondritis dissecans of the capitellum, posteromedial elbow impingement, and posterolateral rotatory instability of the elbow...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27810732/tailored-poly-ethylene-glycol-dimethacrylate-based-shape-memory-polymer-for-orthopedic-applications
#6
G Jerald Maria Antony, Chethan S Jarali, S T Aruna, S Raja
Shape-memory polymers (SMPs) are stimuli-responsive materials known for their outstanding ability to be actuated from temporary shape into original shape. Because of this unique functionality SMPs are promising materials for diverse technological applications including smart biomedical devices. In this article, the work has been focused towards tailoring the SMP precursor and crosslinker wt% to obtain biocompatible acrylate based shape memory polymer with glass transition temperature (Tg) close to human body temperature...
October 19, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27793805/superior-labrum-anterior-posterior-tears-in-the-national-football-league
#7
Caitlin C Chambers, T Sean Lynch, Daniel B Gibbs, Jason H Ghodasra, Shawn Sahota, Kristina Franke, Christina D Mack, Gordon W Nuber
BACKGROUND: Shoulder disorders are common in football players, with up to 50% of National Football League (NFL) recruits reporting a history of shoulder injuries. Superior labrum anterior-posterior (SLAP) tears are an entity with well-described detrimental effects on return to play in overhead-throwing athletes but with minimal data in contact athletes. PURPOSE: To identify the incidence, predisposing factors, and effect of SLAP tears in NFL athletes and prospects as well as the treatment patterns of NFL team physicians...
October 28, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27777474/magnetic-resonance-imaging-evaluation-of-meniscoid-superior-labrum-normal-variant-or-superior-labral-tear
#8
Marcelo Novelino Simão, Emily N Vinson, Charles E Spritzer
OBJECTIVE: The objective of this study was to determine the incidence of a "meniscoid" superior labrum. MATERIALS AND METHODS: This was a retrospective analysis of 582 magnetic resonance imaging examinations of shoulders. Of those 582 examinations, 110 were excluded, for a variety of reasons, and the final analysis therefore included 472 cases. Consensus readings were performed by three musculoskeletal radiologists using specific criteria to diagnose meniscoid labra...
July 2016: Radiologia Brasileira
https://www.readbyqxmd.com/read/27765830/superior-labral-anterior-posterior-slap-tears-in-the-military-a-clinical-review-of-incidence-diagnosis-and-treatment-compared-with-the-civilian-population
#9
William Rossy, George Sanchez, Anthony Sanchez, Matthew T Provencher
CONTEXT: Given the notable physical demands placed on active members of the military, comprehension of recent trends in management and outcomes of superior labral anterior-posterior (SLAP) tears in this patient population is critical for successful treatment. EVIDENCE ACQUISITION: Electronic databases, including PubMed, MEDLINE, and Embase, were reviewed for the years 1985 through 2016. STUDY DESIGN: Database review. LEVEL OF EVIDENCE: Level 5...
October 7, 2016: Sports Health
https://www.readbyqxmd.com/read/27726737/imaging-the-glenoid-labrum-and-labral-tears
#10
Tineke De Coninck, Steven S Ngai, Monica Tafur, Christine B Chung
The shoulder joint is the most unstable articulation in the entire human body. While this certainly introduces vulnerability to injury, it also confers the advantage of broad range of motion. There are many elements that work in combination to offset the inherent instability of the glenohumeral joint, but the glenoid labrum is perhaps related most often. Broadly, clinical unidirectional instability can be subdivided into anterior and posterior instability, which usually raise concern for anteroinferior and posteroinferior labral lesions, respectively...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27718121/what-are-the-risk-factors-for-revision-surgery-after-hip-arthroscopy-for-femoroacetabular-impingement-at-7-year-followup
#11
Pascal Cyrill Haefeli, Christoph Emanuel Albers, Simon Damian Steppacher, Moritz Tannast, Lorenz Büchler
BACKGROUND: In recent years, surgical treatment of symptomatic femoroacetabular impingement (FAI) has been increasingly performed using arthroscopy. Bony pathomorphologies and damage to the labrum as well as cartilage defects can be addressed with comparable results to open surgery with overall less surgery-related complications. Despite the increasing importance of hip arthroscopy, however, reports on midterm clinical and radiographic outcomes and comparison to open surgical hip dislocation are scarce...
October 7, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27697179/editorial-commentary-the-not-so-benign-nature-of-an-isolated-slap-repair
#12
Matthew T Provencher
Although superior labrum anterior posterior (SLAP) repairs have a relatively high success rate, emerging evidence suggests that this is not always the case. The authors of "Subsequent Shoulder Surgery Following Isolated Arthroscopic SLAP Repair" reveal that 1 in 10 people needed additional surgery within 3 years after SLAP repair-mainly for disorders of the rotator cuff, biceps, and distal clavicle. This underscores the fact that SLAP tears rarely occur in isolation and that the initial diagnosis and management may require more than just SLAP work...
October 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27589914/an-anatomical-investigation-of-clock-face-landmarks-around-the-glenoid-for-shoulder-arthroscopy-orientation
#13
Ryuzo Arai, Hideto Harada, Hiroyuki Tsukiyama, Yoshimitsu Takahashi, Masahiko Kobayashi, Takahiko Saji, Shuichi Matsuda
BACKGROUND: For shoulder arthroscopy, few anatomical landmarks are available and inexperienced surgeons tend to be adrift due to the limited visual field of the scope. The purpose of this study was to demonstrate the useful landmarks around the glenoid for accurate orientation, and also the safe distance to avoid suprascapular nerve injury during surgical procedures around the glenoid. METHODS: In 15 human solution-fixed cadavers, a cross-section of the shoulder joint on the labrum surface was created...
August 30, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27497788/variable-reporting-of-functional-outcomes-and-return-to-play-in-superior-labrum-anterior-and-posterior-tear
#14
Michael E Steinhaus, Eric C Makhni, Adam C Lieber, Cynthia A Kahlenberg, Lawrence V Gulotta, Anthony A Romeo, Nikhil N Verma
BACKGROUND: Outcomes assessments after superior labrum anterior and posterior (SLAP) tear/repair are highly varied, making it difficult to draw comparisons across the literature. This study examined the inconsistency in outcomes reporting in the SLAP tear literature. We hypothesize that there is significant variability in outcomes reporting and that although most studies may report return to play, time to return reporting will be highly variable. METHODS: The PubMed, Medline, Scopus, and Embase databases were systematically reviewed for studies from January 2000 to December 2014 reporting outcomes after SLAP tear/repair...
November 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27469476/-surgical-treatment-of-posterosuperior-impingement-psi
#15
M Beirer, G H Sandmann, A B Imhoff, S Buchmann
OBJECTIVE: To restore the physiologic anterior and posterior capsular volume to achieve an anatomic central contact point of the glenohumeral articulation and treatment of concomitant glenohumeral injuries due to posterosuperior impingement (PSI). INDICATIONS: Plateauing of clinical improvement despite adequate nonsurgical treatment (for at least 6-12 months). CONTRAINDICATIONS: General contraindications for elective arthroscopic surgery...
December 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27462534/arthroscopic-labrum-reconstruction-in-the-hip-using-the-indirect-head-of-rectus-femoris-as-a-local-graft-surgical-technique
#16
Zachary T Sharfman, Eyal Amar, Thomas Sampson, Ehud Rath
The importance of the acetabular labrum has been well documented for the health and function of the hip joint. Labral reconstruction has proven effective but often requires the use of a cadaveric allograft or auto graft from the fascia lata or gracilis. The indirect head of the rectus femoris is in close proximity with the anterior superior acetabulum, which is the most common site of labral tears. Using the indirect head of the rectus femoris as a local graft minimizes surgical invasiveness by mitigating the need to harvest the graft from a different location, in case of an autograft, and by minimizing donor site morbidity and damage to local tissues...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27435988/correlation-between-physical-examination-and-intraoperative-findings-in-shoulder-disease-treated-by-arthroscopy-statistical-analysis-of-150-patients
#17
P García Parra, M Anaya Rojas, B Jiménez Bravo, M O González Oria, M Lisbona Muñoz, J J Gil Álvarez, P Cano Luis
INTRODUCTION: Only a few clinical exploratory manoeuvres are truly discriminatory and useful in shoulder disease. The aim of this study is to correlate the physical examination results of the shoulder with the true diagnosis found by arthroscopy. METHODS: A retrospective case series of 150 patients with the most common surgical conditions of the shoulder. Data were collected on the suspicion of each pathology, the physical examination of the patient, and the actual discovery of the disease during arthroscopic surgery...
September 2016: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/27408492/biomechanical-properties-of-tenotomy-versus-biceps-knot-in-a-cadaver-model
#18
Micah Lissy, Amanda Esquivel, Allison Cracchiolo, Stephen Lemos
BACKGROUND: Biceps tenotomy and biceps tenodesis are the primary methods of treating biceps pathology. This study describes a new technique of tenotomy with the goal of autotenodesis to give the biceps a higher load to failure and decreased chance of a Popeye deformity. PURPOSE: The purpose of this study was to evaluate the strength of the "biceps knot", which is an outlet tenodesis of the biceps tendon and compare the biomechanical properties of this technique to tenotomy...
September 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27385837/identification-and-management-of-chronic-shoulder-pain-in-the-presence-of-an-mra-confirmed-humeral-avulsion-of-the-inferior-glenohumeral-ligament-hagl-lesion
#19
Arif Karmali, Jennifer McLeod
OBJECTIVE: To present the assessment and conservative management of chronic shoulder pain in the presence of a humeral avulsion of the inferior glenohumeral ligament (HAGL) lesion in an active individual. CLINICAL FEATURES: A 47 year-old female office-worker with constant, deep, right shoulder pain with occasional clicking and catching claimed to have "tore something" in her right shoulder five years ago while performing reverse bicep curls. A physical exam led to differential diagnoses of a Superior Labrum Anterior to Posterior (SLAP) lesion, Bankart lesion, and bicipital tendinopathy...
June 2016: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/27317919/ultrasonographic-evaluation-and-feasibility-of-posterior-superior-internal-impingement-syndrome-a-case-series
#20
Hyun-Kyung Do, Jae-Young Lim
Posterosuperior impingement (PSI) is an underdiagnosed cause of posterior shoulder pain and should be differentiated from classic and external impingement. PSI involves the internal impingement of soft tissues, including the undersurface of the rotator cuff against the posterosuperior labrum when the arm is brought into abduction and external rotation (ABER). Ultrasonography (US) can be useful in the assessment of PSI because of its high resolution and ability to perform during dynamic maneuvers in ABER. This series of three cases illustrates the feasibility of US to the evaluation of PSI when the history and physical examination implicate this condition...
June 15, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
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