keyword
https://read.qxmd.com/read/38521208/patients-with-lateral-and-anterolateral-cam-morphology-have-greater-deformities-versus-typical-anterolateral-deformity-alone-but-no-differences-in-postoperative-outcomes-a-propensity-matched-analysis-at-minimum-5-year-follow-up
#1
JOURNAL ARTICLE
Jordan H Larson, Reagan S Chapman, Sachin Allahabadi, Daniel J Kaplan, Kyleen Jan, Omair Kazi, Onur Hapa, Shane J Nho
PURPOSE: To compare pre- and post-operative findings between patients undergoing hip arthroscopy for femoroacetabular impingement syndrome (FAIS) with lateral impingement versus those without lateral impingement METHODS: Patients who underwent primary hip arthroscopy for FAIS between 2012-2017 with minimum 5-year follow-up were included. Alpha angle (AA) was measured on preoperative AP and 90° Dunn radiographs. Patients with AA > 60° on Dunn view but not AP view (no lateral impingement) were propensity matched by sex, age, and BMI in a 1:3 ratio to patients with AA > 60° on both views (lateral impingement)...
March 20, 2024: Arthroscopy
https://read.qxmd.com/read/38518557/investigating-pelvic-drop-gait-abnormality-in-adolescent-hip-pathology-patients
#2
JOURNAL ARTICLE
Nicholas R Anable, Lauren A Luginsland, Carlos Carlos, Wilshaw R Stevens, Alex M Loewen, Kelly A Jeans, Daniel J Sucato
BACKGROUND: Trendelenburg gait describes contralateral pelvic drop during single leg stance (SLS) with occasional lateral trunk lean compensation over the stance limb. However, quantitative research on 'uncompensated Trendelenburg' gait (pelvic drop independent of lateral trunk lean) remains sparse among populations that commonly utilize this gait pattern, such as adolescent hip pathology patients. RESEARCH QUESTION: How prevalent is uncompensated Trendelenburg among various adolescent hip pathologies and how is it related to hip load, hip abduction strength, and self-reported hip pain? METHODS: Gait, strength, and pain data were collected among 152 pre-operative patients clinically diagnosed with acetabular hip dysplasia, femoroacetabular impingement, Legg-Calvé-Perthes, or slipped capital femoral epiphysis (SCFE)...
March 11, 2024: Gait & Posture
https://read.qxmd.com/read/38507243/single-leg-heel-raise-capacity-is-lower-and-perceived-ankle-instability-is-greater-in-dancers-and-athletes-with-posterior-ankle-impingement-syndrome
#3
JOURNAL ARTICLE
Peta Baillie, Jill Cook, Katia Ferrar, Susan Mayes
OBJECTIVE: To compare clinical assessment findings between elite athletic populations with and without a clinical diagnosis of posterior ankle impingement syndrome (PAIS). DESIGN: Cross-sectional case-control study. SETTING: Elite ballet and sport. PARTICIPANTS: Ten male and female professional ballet dancers and athletes with a clinical diagnosis of PAIS and were matched for age, sex, and activity to 10 professional ballet dancers and athletes without PAIS...
March 20, 2024: Clinical Journal of Sport Medicine
https://read.qxmd.com/read/38495634/depression-scores-decrease-after-hip-arthroscopy-for-femoroacetabular-impingement-syndrome
#4
JOURNAL ARTICLE
Anthony J Zacharias, Matthew Dooley, Samuel Mosiman, Andrea M Spiker
PURPOSE: To evaluate clinical depression scores and functional outcomes following arthroscopic treatment of femoroacetabular impingement syndrome in patients with elevated preoperative depressive symptoms as defined by Patient-Reported Outcomes Measurement Information System for Depression (PROMIS-D). METHODS: Patients with femoroacetabular impingement syndrome completed the PROMIS-D Computer Adaptive Test and additional patient-reported outcome (PRO) measures preoperatively and at the time of postoperative visits...
April 2024: Arthroscopy, sports medicine, and rehabilitation
https://read.qxmd.com/read/38490438/anterior-knee-pain-patients-without-structural-knee-abnormalities-and-normal-lower-limb-skeletal-alignment-have-a-higher-prevalence-of-cam-femoroacetabular-impingement-syndrome-than-the-general-population
#5
JOURNAL ARTICLE
Marc Tey-Pons, Vicente Sanchis-Alfonso, Laura Parra-Calabuig, Damian R Griffin, João Espregueira-Mendes, Joan Carles Monllau
OBJECTIVES: This study aimed to ascertain the prevalence of cam Femoroacetabular Impingement Syndrome (cam-FAIS) in Anterior knee pain (AKP) patients devoid of both structural patellofemoral joint (PFJ) abnormalities and lower limb skeletal mal-alignment. A secondary objective was to examine pain and disability differences between AKP patients with and without cam-FAIS. METHODS: A total of 209 AKP patients were screened for eligibility. Inclusion criteria were normal imaging studies and normal lower limb alignment, and exclusion criteria were previous knee surgery and knee and/or hip osteoarthritis...
March 13, 2024: Journal of ISAKOS
https://read.qxmd.com/read/38485872/-155-tb-production-by-cyclotrons-what-level-of-155-gd-enrichment-allows-clinical-applications
#6
JOURNAL ARTICLE
Francesca Barbaro, Luciano Canton, Nikolay Uzunov, Laura De Nardo, Laura Melendez-Alafort
BACKGROUND: 155 Tb represents a potentially useful radionuclide for diagnostic medical applications, but its production remains a challenging problem, in spite of the fact that many production routes have been already investigated and tested. A recent experimental campaign, conducted with low-energy proton beams impinging on a 155 Gd target with 91.9% enrichment, demonstrated a significant co-production of 156g Tb, a contaminant of great concern since its half-life is comparable to that of 155 Tb and its high-energy γ emissions severely impact on the dose released and on the quality of the SPECT images...
March 15, 2024: EJNMMI Physics
https://read.qxmd.com/read/38479635/the-frank-stinchfield-award-assembly-and-dissociation-forces-differ-between-commonly-used-dual-mobility-implants-a-biomechanical-study
#7
JOURNAL ARTICLE
Katherine E Mallett, Sergio F Guarin-Perez, Alexander W Hooke, Allison Tanner, Joshua Bland, James S Fitzsimmons, Michael J Taunton, Rafael J Sierra
BACKGROUND: Intra-prosthetic dissociation (IPD) is a complication unique to dual mobility (DM) implants where the outer polyethylene head dissociates from the inner femoral head. Increasing reports of IPD at the time of closed reduction of large head DM dislocations prompted this biomechanical study evaluating the assembly and dissociation forces of DM heads. METHODS: We tested 17 polyethylene DM heads from five vendors. Of the heads, twelve were highly cross-linked polyethylene (4 vendors), and five were infused with vitamin E (2 vendors)...
March 11, 2024: Journal of Arthroplasty
https://read.qxmd.com/read/38471565/size-dependent-antipredator-responses-in-a-fish-shrimp-mutualism
#8
JOURNAL ARTICLE
Giovanni Polverino, Topi K Lehtonen, Andrew Geschke, Tara Callahan, Jessica Urbancic, Bob B M Wong
For prey, taking refuge from predators has obvious fitness benefits but may also be costly by impinging on time and effort available for feeding or attracting mates. The antipredator responses of refuge-seeking animals are therefore predicted to vary strategically depending on how threatening they perceive the risk. To test this, we studied the impacts of a simulated predatory threat on the antipredator responses of wild sandy prawn-gobies ( Ctenogobiops feroculus ) that co-inhabit burrows with Alpheus shrimp (family Alpheidae) in a mutualistic relationship...
March 2024: Biology Letters
https://read.qxmd.com/read/38449694/relationship-between-hip-capsular-thickness-and-instability-after-previous-hip-arthroscopic-surgery-a-matched-cohort-analysis
#9
JOURNAL ARTICLE
Suzanna M Ohlsen, Allan K Metz, Devin L Froerer, Alexander J Mortensen, Tyler R Smith, Joseph Featherall, Reece M Rosenthal, Stephen K Aoki
BACKGROUND: Thinner anterior hip capsules are associated with hip laxity, but there is little known about the impact of capsular thickness on the development of instability after primary hip arthroscopic surgery. PURPOSE: To investigate the relationship between hip capsular thickness as measured on preoperative magnetic resonance imaging (MRI) and the development of hip instability after hip arthroscopic surgery for femoroacetabular impingement. STUDY DESIGN: Case-control study; Level of evidence, 3...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38442676/dural-ectasia-with-cauda-equina-syndrome-a-rare-case-report
#10
Tumwesige R Kondo, Mathias S Ncheye, Happiness R Massawe, Godlisten S Kawiche, Honest H Massawe, Peter Magembe Mrimba
INTRODUCTION AND IMPORTANCE: Dural ectasia, which is often idiopathic, is seen both in patients with neurofibromatosis and Marfan's syndrome. In neurofibromatosis, the ectasia is most often seen in the thoracic region but can occur at any point along the dura. A complication such as cauda equina syndrome is usually rare. CLINICAL PRESENTATION: A 48 year old male complaining of recurrent throbbing headache, for 3 years, 2 years ago he developed progressively lower back pain, associated with numbness and tingling sensation of the lower limbs...
March 2024: International Journal of Surgery Case Reports
https://read.qxmd.com/read/38432789/scapular-stabilization-exercise-training-improves-treatment-effectiveness-on-shoulder-pain-scapular-dyskinesis-muscle-strength-and-function-in-patients-with-subacromial-pain-syndrome-a-randomized-controlled-trial
#11
RANDOMIZED CONTROLLED TRIAL
Ertugrul Yuksel, Sevgi Sevi Yesilyaprak
INTRODUCTION: Subacromial pain syndrome (SPS) is a common cause of shoulder pain, and is associated with functional limitation, workdays lost, disability, and poor quality of life. PURPOSE: Our purpose was to investigate the effects of scapular stabilization exercises in patients with SPS. METHOD: Sixty-four patients with SPS who also exhibit observable scapular dyskinesis defined by the scapular dyskinesis test were recruited and randomized to scapular stabilization exercise training group or to control group...
January 2024: Journal of Bodywork and Movement Therapies
https://read.qxmd.com/read/38431547/effects-of-manual-therapy-in-addition-to-stretching-and-strengthening-exercises-to-improve-scapular-range-of-motion-functional-capacity-and-pain-in-patients-with-shoulder-impingement-syndrome-a-randomized-controlled-trial
#12
RANDOMIZED CONTROLLED TRIAL
Sana Tauqeer, Ayesha Arooj, Hammad Shakeel
BACKGROUND: The current study aimed to measure the effectiveness of manual therapy in addition to stretching and strengthening exercises in patients with shoulder impingement syndrome to improve functional capacity, pain, and scapular range of motion. METHODS: This is a single-blinded randomized controlled trial. Thirty-two participants with chronic shoulder impingement syndrome were randomly allocated into two groups. Both groups received stretching and strengthening exercises while the treatment group was given manual therapy additionally...
March 2, 2024: BMC Musculoskeletal Disorders
https://read.qxmd.com/read/38399213/investigation-of-the-mechanical-behaviors-and-damage-mechanism-of-c-c-composites-impacted-by-high-velocity-jets
#13
JOURNAL ARTICLE
Yifan Yue, Bo Wang, Kefei Yan, Renxi Zhao, Chengyu Zhang, Yulong Li
Carbon/Carbon (C/C) composites exhibit excellent mechanical properties at high temperatures, making them widely used in aerospace, such as the leading edges of spaceplane wings and the nose cones of hypersonic aircraft. However, damage caused by rain erosion to C/C composites affects their mechanical properties and poses significant challenges during operational service periods. A jet impingement test platform was employed to conduct single and multiple water-jet erosion tests on three-dimensional orthogonal C/C composite materials and to investigate the residual mechanical properties of the specimens after jet impact...
February 19, 2024: Materials
https://read.qxmd.com/read/38391680/concurrent-learning-approach-for-estimation-of-pelvic-tilt-from-anterior-posterior-radiograph
#14
JOURNAL ARTICLE
Ata Jodeiri, Hadi Seyedarabi, Sebelan Danishvar, Seyyed Hossein Shafiei, Jafar Ganjpour Sales, Moein Khoori, Shakiba Rahimi, Seyed Mohammad Javad Mortazavi
Accurate and reliable estimation of the pelvic tilt is one of the essential pre-planning factors for total hip arthroplasty to prevent common post-operative complications such as implant impingement and dislocation. Inspired by the latest advances in deep learning-based systems, our focus in this paper has been to present an innovative and accurate method for estimating the functional pelvic tilt (PT) from a standing anterior-posterior (AP) radiography image. We introduce an encoder-decoder-style network based on a concurrent learning approach called VGG-UNET (VGG embedded in U-NET), where a deep fully convolutional network known as VGG is embedded at the encoder part of an image segmentation network, i...
February 17, 2024: Bioengineering
https://read.qxmd.com/read/38383332/does-scapular-dysfunction-alter-scapular-muscles-activity-and-kinematics-during-swim-stroke-motion-on-adolescent-swimmers
#15
JOURNAL ARTICLE
Takao Mise, Takeyasu Kurita, Shohei Kamakari, Hiroshi Akuzawa, Tomoki Oshikawa, Naoto Matsunaga, Koji Kaneoka
Scapular dyskinesis (SD) indicates dysfunction of the scapular muscle activity during the arm elevation, resulting in altered scapular kinematics. This study examined whether SD alters scapular muscle activity and kinematics during swim stroke motion. Seventeen swimmers (mean age: 13 ± 1 years) were divided into SD ( n  = 8) and control ( n = 9) groups. Scapular muscle activity (the upper, middle, and lower trapezius and the serratus anterior muscle) and kinematics data were collected and time-normalised (0-100%) during swim stroke motion by swim-bench on land...
February 21, 2024: Sports Biomechanics
https://read.qxmd.com/read/38379603/demographic-and-socioeconomic-patient-data-are-rarely-included-in-randomized-controlled-trials-for-femoral-acetabular-impingement-and-hip-arthroscopy-a-systematic-review
#16
REVIEW
Jacob L Kotlier, Amir Fathi, Pranit Kumaran, Cory K Mayfield, Matthew Orringer, Joseph N Liu, Frank A Petrigliano
PURPOSE: To determine the rate of reporting for sociodemographic variables in randomized controlled trials (RCTs) investigating femoral acetabular impingement (FAI) and hip arthroscopy. METHODS: PubMed, Scopus, and Web of Science were queried for articles relating to FAI and hip arthroscopy. Articles included in final analysis were RCTs investigating operative management of FAI. Included RCTs were analyzed for reporting of age and sex or gender as well as the following sociodemographic variables: race, ethnicity, insurance status, income, housing status, work status, and education level in the results section or any section of the paper...
April 2024: Arthroscopy, sports medicine, and rehabilitation
https://read.qxmd.com/read/38372123/does-dual-mobility-still-offer-improved-stability-in-smaller-cup-sizes-a-computer-modelling-comparison-of-stability-with-22-mm-versus-28-mm-inner-heads-in-dual-mobility-versus-single-bearing-constructs
#17
JOURNAL ARTICLE
Amit Atrey, Alessandro Navacchia, Sarah E Ward, David Rister, Jacqueline Brillantes, Alexandra Stavrakis, Amir Khoshbin
PURPOSE: Dislocation remains 1 of the leading causes of revision after primary total hip arthroplasty (THA) and there is clear evidence the dual-mobility (DM) is used more frequently to minimise this. But in smaller cups, whether the use of DM with smaller 22-mm heads imparts any increased stability compared to standard bearing is unknown; especially when those smaller cups now allow for large single-bearing (SB) heads. METHODS: 3 primary cup sizes (48 mm, 50 mm, 52 mm) were chosen a priori for modelling...
February 19, 2024: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://read.qxmd.com/read/38371072/hip-preservation-surgery-in-patients-with-femoroacetabular-impingement-syndrome-and-acetabular-dysplasia-improves-functional-measures-and-pain-catastrophizing
#18
JOURNAL ARTICLE
John M Gaddis, Rafael de Souza, Benjamin Montanez, Paul A Nakonezny, Bretton Laboret, Ryan Bialaszewski, Joel E Wells
Background Chronic hip pain is a debilitating condition that severely reduces one's quality of life. Prior studies uncovered a link between hip pathologies and pain catastrophizing, anxiety, and depression. The purpose of this study was to investigate whether hip preservation surgery in patients with femoroacetabular impingement syndrome (FAIS) and acetabular dysplasia (AD) improves functional outcomes and pain catastrophizing. Methods Patients with FAIS and AD were requested to complete a hip questionnaire both preoperatively and postoperatively at a single academic center (University of Texas Southwestern Medical Center, Dallas, Texas, USA)...
January 2024: Curēus
https://read.qxmd.com/read/38370172/relaminarization-of-jet-impingement-on-a-flat-plate-using-separation-induced-transition-correction-turbulence-modeling-preliminarily-applied-in-archeological-applications
#19
JOURNAL ARTICLE
Mongkol Kaewbumrung, Chalermpol Plengsa-Ard
The focus of the study was the validation of transition flow model which works with jet impingement applications. Reynolds averaged Navier Stokes (RANS) techniques, including a variation of transition options, such as <mml:math xmlns:mml="https://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>γ</mml:mi><mml:mo>-</mml:mo><mml:mtext>GEKO</mml:mtext><mml:mo>-</mml:mo><mml:mi>k</mml:mi><mml:mo>-</mml:mo><mml:mi>ω</mml:mi></mml:mrow></mml:math>, <mml:math xmlns:mml="https://www...
February 29, 2024: Heliyon
https://read.qxmd.com/read/38366471/prediction-of-temperature-dependent-nucleation-and-growth-rates-from-crystallization-related-heat-release
#20
JOURNAL ARTICLE
Joseph Kangas, Christopher J Hogan
We propose a method for determining the time and, therefore, temperature-dependent relative nucleation and growth rates during crystallization. We do so by linking the partial differential equation governing the time dynamics of the crystal size distribution to kinetic (Avrami) parameters describing heat release. This approach is tested in silico by nucleating and growing diffusion limited aggregates with time-varying morphology and growth rates unhindered by impingement. The associated heat release is analyzed, showing that nucleation and growth rates could be extracted with high fidelity...
January 2024: Physical Review. E
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