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https://www.readbyqxmd.com/read/28235123/management-of-proximal-biceps-pathology-in-overhead-athletes-what-is-the-role-of-biceps-tenodesis
#1
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
#2
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
#3
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
#4
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...
February 7, 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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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...
February 14, 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
#13
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
https://www.readbyqxmd.com/read/28189195/the-diagnostic-performance-of-non-contrast-3-tesla-magnetic-resonance-imaging-3-t-mri-versus-1-5-tesla-magnetic-resonance-arthrography-1-5-t-mra-in-femoro-acetabular-impingement
#14
Ana M Crespo-Rodríguez, Jose C De Lucas-Villarrubia, Miguel Pastrana-Ledesma, Ana Hualde-Juvera, Santiago Méndez-Alonso, Mario Padron
OBJECTIVE: The aim of this study was to evaluate the diagnostic accuracy of 3-T non-contrast MRI versus 1.5-T MRA for assessing labrum and articular cartilage lesions in patients with clinical suspicion of femoro-acetabular impingement (FAI). SUBJECTS AND METHODS: Fifty patients (thirty men and twenty women, mean age 42.5 years) underwent 1.5-T MRA, 3-T MRI and arthroscopy on the same hip. An optimized high-resolution proton density spin echo pulse sequence was included in the 3-T non-contrast MRI protocol...
March 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28183087/development-of-the-human-biceps-brachii-tendon-and-coracoglenoid-ligament-7th-12th-week-of-development
#15
Crótida de la Cuadra-Blanco, Luis A Arráez-Aybar, Jorge A Murillo-González, Manuel E Herrera-Lara, Juan A Mérida-Velasco, José R Mérida-Velasco
The goal of this study is to clarify the development of the long head of the biceps brachii tendon (LHBT) and to verify the existence and development of the coracoglenoid ligament. Histological preparations of 22 human embryos (7-8 weeks of development) and 43 human fetuses (9-12 weeks of development) were studied bilaterally using a conventional optical microscope. The articular interzone gives rise to the LHBT, glenoid labrum, and articular capsule. During the fetal period, it was observed that in 50 cases (58%), the LHBT originated from both the glenoid labrum and the scapula, while in 36 cases (42%), it originated only from the glenoid labrum...
February 10, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28169108/prevalence-and-clinical-significance-of-hypertrophic-labrum-in-non-dysplastic-hips
#16
Yong-Chan Ha, Young-Kyun Lee, Kyung-Hoi Koo, Ki-Bum Kwon, Sang-Heon Song
BACKGROUND: Hypertrophic labrum in dysplastic hip has been frequently reported and is known as limbus in developmental dysplasia of the hip. However, hypertrophic labrum without hip dysplasia has not been reported to date. The purpose of this study was to define hypertrophic labrum and to investigate the prevalence and clinical significance of an abnormally hypertrophic labrum in non-dysplastic hips. METHODS: Between 2007 and 2014, direct CT arthrography was performed in 464 patients (470 hips) who had chronic groin pain and positive impingement or Faber test...
February 3, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28168720/external-morphogenesis-of-the-tardigrade-hypsibius-dujardini-as-revealed-by-scanning-electron-microscopy
#17
Vladimir Gross, Irene Minich, Georg Mayer
Tardigrada, commonly called water bears, is a taxon of microscopic panarthropods with five-segmented bodies and four pairs of walking legs. Although tardigrades have been known to science for several centuries, questions remain regarding many aspects of their biology, such as embryogenesis. Herein, we used scanning electron microscopy to document the external changes that occur during embryonic development in the tardigrade Hypsibius dujardini (Eutardigrada, Parachela, Hypsibiidae). Our results show an accelerated development of external features, with approximately 30 hrs separating the point at which external structures first become recognizable and a fully formed embryo...
February 6, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28157619/effects-of-hip-joint-transverse-plane-range-of-motion-with-a-modeled-effusion-and-capsular-tear-a-cadaveric-study
#18
Casey Hebert, Mark P Smyth, Erik Woodard, Collin C Bills, Marc J Mihalko, William M Mihalko
BACKGROUND: Multiple factors contribute to range of motion of the hip joint in the transverse plane: bony anatomy, hip capsule, corresponding ligaments, articular labrum, ligamentum teres, and negative intra-articular pressure. We hypothesized that violation of the negative pressure of the hip and simulation of an effusion would increase range of motion in the transverse plane in a cadaver model. METHODS: Ten hip specimens were obtained and dissected with the femur and iliac wing mounted in a custom joint-testing rig in neutral position...
January 21, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28149744/arthroscopic-psoas-management-techniques-for-psoas-preservation-and-psoas-tenotomy
#19
Andrea M Spiker, Ryan M Degen, Christopher L Camp, Struan H Coleman
The iliopsoas tendon is an important dynamic stabilizer of the hip joint, and it should be carefully identified and preserved during routine hip arthroscopy. However, it may also be a source of hip pain manifesting as iliopsoas tendinitis or a snapping hip or contributing to the development of labral pathology caused by psoas impingement. In the appropriately indicated, refractory cases of iliopsoas-related hip pain, surgical intervention in the form of an iliopsoas tenotomy at the level of the labrum can result in reliable pain relief...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149736/arthroscopic-debridement-of-the-thrower-s-shoulder-less-is-more
#20
Paul E Caldwell, Dustin C Dyer, Sara E Pearson
The thrower's shoulder has long been a topic of debate among shoulder specialists. The tremendous forces produced during the throwing motion coupled with the compilation of the pathology encountered in the thrower's shoulder have generated a complex treatment algorithm. Simplifying management options has been challenging and recommendations continue to evolve. Treatment of injuries to the thrower's shoulder most commonly involves addressing partial articular-sided rotator cuff tears. These can be isolated or more commonly associated with tearing of the posterior superior labrum...
December 2016: Arthroscopy Techniques
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