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https://www.readbyqxmd.com/read/29649099/functional-and-radiological-results-of-proximal-femoral-nail-antirotation-pfna-osteosynthesis-in-the-treatment-of-unstable-pertrochanteric-fractures
#1
Ahmad M Radaideh, Hashem A Qudah, Ziad A Audat, Rami A Jahmani, Ibraheem R Yousef, Abed Allah A Saleh
Pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. We evaluated radiographic and functional outcomes of patients with unstable pertrochanteric fractures treated with the proximal femur nail antirotation (PFNA). Between March 2013 and December 2015, fifty patients (28 male and 22 females with a mean age of 72.8 years (range, 20-94)) with unstable pertrochanteric fractures (AO 31.A2 and 31.A3) were fixed with the PFNA at our institution, and they were retrospectively evaluated...
April 12, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29567105/proximal-and-distal-alignment-of-normal-canine-femurs-a-morphometric-analysis
#2
Mehmet Erkut Kara, Figen Sevil-Kilimci, Ömer Gürkan Dilek, Vedat Onar
Many researchers are interested in femoral conformation because most orthopaedic problems of the long bones occur in the femur and its joints. The neck-shaft (NSA) and the anteversion (AVA) angles are good predictors for understanding the orientation of the proximal end of the femur. The varus (aLDFA) and procurvatum (CDFA) angles have also been used to understand the orientation of the distal end of the femur. The purposes of this study were to investigate the relationship between the proximal and distal angles of the femur and to compare the distal femoral angles in male and female dogs in order to investigate the sexual dimorphism...
March 19, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29526410/impingement-type-bony-morphology-was-related-to-cartilage-defects-but-not-pain-in-professional-ballet-dancers-hips
#3
Susan Mayes, Peter Smith, Jill Cook
OBJECTIVES: Professional ballet dancers may have hip bony morphology that predisposes them to cartilage or labral injury. However, the relationship between bony morphology and pathology has not been investigated in ballet. This study investigates associations between bony morphology, chondrolabral defects and hip pain in ballet dancers. DESIGN: Cross-sectional study. METHODS: 33 male and female professional ballet dancers, (mean age 27 years (range 19-39)), completed questionnaires with hip pain measured on a visual analogue scale; and underwent 3...
March 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29517923/anatomic-predictors-of-sagittal-hip-and-pelvic-motions-in-patients-with-a-cam-deformity
#4
K C Geoffrey Ng, Mario Lamontagne, Jonathan R T Jeffers, George Grammatopoulos, Paul E Beaulé
BACKGROUND: As there is a high prevalence of patients with cam deformities and no ongoing hip dysfunction, understanding the biomechanical factors predicting the onset of symptoms and degenerative changes is critical. One such variable is how the spinopelvic parameters may influence hip and pelvic sagittal mobility. Hypothesis/Purpose: Pelvic incidence may predict sagittal hip and pelvic motions during walking and squatting. The purpose was to determine which anatomic characteristics were associated with symptoms and how they influenced functional hip and pelvic ranges of motion (ROMs) during walking and squatting...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29512506/automation-of-a-dxa-based-finite-element-tool-for-clinical-assessment-of-hip-fracture-risk
#5
Yunhua Luo, Sharif Ahmed, William D Leslie
Finite element analysis of medical images is a promising tool for assessing hip fracture risk. Although a number of finite element models have been developed for this purpose, none of them have been routinely used in clinic. The main reason is that the computer programs that implement the finite element models have not been completely automated, and heavy training is required before clinicians can effectively use them. By using information embedded in clinical dual energy X-ray absorptiometry (DXA), we completely automated a DXA-based finite element (FE) model that we previously developed for predicting hip fracture risk...
March 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29508086/sleep-apnea-and-femoral-neck-bmd-among-singaporean-mid-life-women
#6
Han Ying Tng, Win Pa Pa Thu, Susan Logan, Izzuddin M Aris, Jane Cauley, Eu Leong Yong
The relationship between sleep apnea and bone health remains controversial. This study explored the relationship between sleep apnea and femoral neck BMD in midlife Asian women. Partner-witnessed apnea predicted higher femoral neck BMD, an effect validated by the STOP index. Our findings suggest that sleep apnea may protect bone health. PURPOSE: The menopause transition is associated with decline in bone mineral density (BMD) and sleep quality. However, any relationship between these two factors remains controversial...
March 5, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29482067/influence-of-geometry-on-proximal-femoral-shaft-strains-implications-for-atypical-femoral-fracture
#7
Ifaz T Haider, Prism Schneider, Andrew Michalski, W Brent Edwards
INTRODUCTION: Atypical femoral fractures (AFF) are characterized as low-energy fractures of the femoral shaft or subtrochanteric region. Femoral geometry is known to play a role in AFF risk; it is hypothesized that high-risk geometries are associated with elevated femoral shaft strain. However, it is not well known which geometric parameters have the greatest effect on strain, or whether interaction between parameters is significant. The purpose of this study was to thoroughly quantify the relationship between femoral geometry and diaphyseal strain, using patient specific finite element (FE) modelling in concert with parametric mesh morphing...
February 23, 2018: Bone
https://www.readbyqxmd.com/read/29474949/anterior-and-lateral-overcoverage-after-triple-pelvic-osteotomy-in-childhood-for-developmental-dislocation-of-the-hip-with-acetabular-dysplasia-frequency-features-and-medium-term-clinical-impact
#8
C Klein, A Fontanarosa, N Khouri, B Jonathan, J-P Padovani, C Glorion, P Wicart
BACKGROUND: Triple pelvic osteotomy (TPO) is a treatment option in children and adolescents with residual acetabular dysplasia after developmental dislocation of the hip (DDH). However, TPO to redirect the acetabulum is often blamed for anterior and lateral overcoverage of the femoral head. The main objectives of this study were to assess the potential clinical impact, frequency, and radiological features of acetabular overcorrection. Evidence of post-operative remodelling and associations linking younger age at surgery and/or dysplasia severity to the existence and magnitude of overcorrection were sought...
February 20, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29470236/is-the-lesser-trochanter-profile-a-reliable-means-of-restoring-anatomic-rotation-after-femur-fracture-fixation
#9
Lucas S Marchand, Dane C Todd, Patrick Kellam, Temitope F Adeyemi, David L Rothberg, Travis G Maak
BACKGROUND: Restoring normal femoral rotation is an important consideration when managing femur fractures. Femoral malrotation after fixation is common and several preventive techniques have been described. Use of the lesser trochanter profile is a simple method to prevent malrotation, because the profile changes with femoral rotation, but the accuracy of this method is unclear. QUESTIONS/PURPOSES: The purposes of this study were (1) to report the rotational profiles of uninjured femora in an adult population; and (2) to determine if the lesser trochanter profile was associated with variability in femoral rotation...
February 21, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29468265/the-tridimensional-geometry-of-the-proximal-femur-should-determine-the-design-of-cementless-femoral-stem-in-total-hip-arthroplasty
#10
Julien Wegrzyn, Jean-Paul Roux, Charlotte Loriau, Nicolas Bonin, Vincent Pibarot
PURPOSE: Using a cementless femoral stem in total hip arthroplasty (THA), optimal filling of the proximal femoral metaphyseal volume (PFMV) and restoration of the extramedullary proximal femoral (PF) parameters (i.e., femoral offset (FO), neck length (FNL), and head height (FHH)) constitute key goals for optimal hip biomechanics, functional outcome, and THA survivorship. However, almost 30% of mismatch between the PF anatomy and implant geometry of the most widely implanted non-modular cementless femoral stem has been demonstrated in a computed tomography scan (CT scan) study...
February 22, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29440159/multicentre-study-on-capsular-closure-versus-non-capsular-closure-during-hip-arthroscopy-in-danish-patients-with-femoroacetabular-impingement-fai-protocol-for-a-randomised-controlled-trial
#11
Christian Dippmann, Otto Kraemer, Bent Lund, Michael Krogsgaard, Per Hölmich, Martin Lind, Karen Briggs, Marc Philippon, Bjarne Mygind-Klavsen
INTRODUCTION: Hip arthroscopy has become a standard procedure in the treatment of hip joint pain not related to osteoarthritis or dysplasia in the young and active patient. There has been increasing focus on the contribution of the hip capsule to function and on stability following hip arthroscopy. It has been suggested that capsular closure after hip arthroscopy may prevent microinstability and macroinstability of the hip joint and reduce revision rate. However, it remains unknown whether capsular closure should be performed as a standard procedure when performing hip arthroscopies, especially in patients without additional risk factors for instability such as hypermobility or dysplasia of the hip...
February 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29406355/is-cam-type-deformity-that-important-commentary-on-an-article-by-matthew-j-kraeutler-md-et-al-femoral-version-abnormalities-significantly-outweigh-effect-of-cam-impingement-on-hip-internal-rotation
#12
Stuart C Marshall, S Charles Marshall
No abstract text is available yet for this article.
February 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29406341/femoral-version-abnormalities-significantly-outweigh-effect-of-cam-impingement-on-hip-internal-rotation
#13
Matthew J Kraeutler, Vivek Chadayammuri, Tigran Garabekyan, Omer Mei-Dan
BACKGROUND: The purpose of this study was to investigate the effects of femoral version, cam-type femoroacetabular impingement (FAI), and the combination of the 2 on the passive hip range of motion (ROM). METHODS: We prospectively analyzed a consecutive cohort of 220 patients (440 hips) who presented with unilateral or bilateral hip pain. The passive hip ROM was measured bilaterally with the patient in prone, supine, and lateral positions. Femoral version was measured and the presence of cam-type deformity was determined on preoperative computed tomography (CT) scans...
February 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29406129/a-decision-making-tool-to-prescribe-knee-orthoses-in-daily-practice-for-patients-with-osteoarthritis
#14
Emmanuel Coudeyre, Christelle Nguyen, Aurore Chabaud, Bruno Pereira, Johann Beaudreuil, Jean-Marie Coudreuse, Philippe Deat, Frédéric Sailhan, Alain Lorenzo, François Rannou
OBJECTIVE: To develop a decision-making tool (DMT) to facilitate the prescription of knee orthoses for patients with osteoarthritis (OA) in daily practice. METHODS: A steering committee gathered a multidisciplinary task force experienced in OA management/clinical research. Two members performed a literature review with qualitative analysis of the highest-quality randomized controlled trials and practice guidelines to confirm evidence concerning knee orthosis for OA...
February 2, 2018: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29381984/periprosthetic-bone-remodeling-of-short-cementless-femoral-stems-in-primary-total-hip-arthroplasty-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#15
Shuang G Yan, Di Li, Shuai Yin, Xingyi Hua, Jian Tang, Florian Schmidutz
BACKGROUND: Short-stem total hip arthroplasty (SHA) has been increasingly used in the treatment of hip arthroplasty. However, it is unclear whether there is a superiority of SHA in periprosthetic bone remodeling over standard stem total hip arthroplasty (THA). This meta-analysis of randomized-controlled trials (RCTs) compared the periprosthetic bone remodeling after SHA and THA. METHODS: PubMed and Embase were screened for relevant publications up to May 2017. RCTs that compared periprosthetic bone remodeling with bone mineral density (BMD) changes between SHA and THA were included...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29323746/acetabular-and-spino-pelvic-morphologies-are-different-in-subjects-with-symptomatic-cam-femoro-acetabular-impingement
#16
George Grammatopoulos, Andrew D Speirs, K C Geoffrey Ng, Charles Riviere, Kawan S Rakhra, Mario Lamontagne, Paul E Beaule
Acetabular and spino-pelvic (SP) morphological parameters are important determinants of hip joint dynamics. This prospective study aimed to determine whether acetabular and SP morphological differences exist between hips with and without cam morphology and between symptomatic and asymptomatic hips with cam morphology. A cohort of 67 patients/hips was studied. Hips were either asymptomatic with no cam (Controls, n = 18), symptomatic with cam (n = 26) or asymptomatic with cam (n = 23). CT-based quantitative assessments of femoral, acetabular, pelvic, and spino-pelvic parameters were performed...
January 11, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29318422/correction-to-morphological-characteristics-of-chronic-total-occlusion-predictors-of-different-strategies-for-long-segment-femoral-arterial-occlusions
#17
Li-Ming Wei, Yue-Qi Zhu, Pei-Lei Zhang, Fang Liu, Hai-Tao Lu, Jun-Gong Zhao
The original version of this article unfortunately contained mistakes. The legends to Figs. 2-4 were incorrectly interchanged. The correct versions are given below. The original article has been corrected.
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29297906/-treatment-of-acute-myocardial-infarction-in-2017
#18
Giovanni Cimmino, Davide D'Andrea, Ciro Mauro, Carmine Morisco, Plinio Cirillo
Acute myocardial infarction is a clinical cardiac emergency associated with potential and substantial morbidity and mortality. This disorder is triggered by an acute coronary syndrome caused by episodes of plaque ulceration, fissuration, or rupture with subsequent production of thrombogenic material and intravascular thrombus formation. The presence or absence of ST-segment elevation on the ECG defines the two main clinical spectrum of ST-segment elevation or non-ST-segment elevation myocardial infarction. In the last three decades, pharmacological and interventional management as well as in-hospital care have dramatically improved...
December 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29195753/ultrasound-determination-of-the-femoral-head-neck-alpha-angle
#19
D J Robinson, S Lee, P Marks, M E Schneider
The femoral head-neck alpha angle is used to quantify the degree of femoral head asphericity in patients suspected of cam-type femoroacetabular impingement. The measurement was first performed using magnetic resonance imaging and, more recently, three-dimensional computed tomography (CT). We set out to determine whether the alpha angle could be reliably measured using ultrasound. Patients were recruited from a cohort presenting for CT of the hip. Alpha angles were calculated following the departmental protocol by institutionally accredited radiographers...
February 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29189535/torsional-growth-modulation-of-long-bones-by-oblique-plating-in-a-rabbit-model
#20
David E Lazarus, Christine L Farnsworth, Megan E Jeffords, Nikolas Marino, Jericho Hallare, Eric W Edmonds
BACKGROUND: There is evidence that oblique tension band plating can affect torsional growth in long bones. This study sought to determine if the torsional growth could be modulated based on the angles of the tension band plating and whether or not oblique plating affected overall longitudinal growth. METHODS: New Zealand White rabbits (10.5 wk old) had one screw placed on the metaphyseal side and one on the epiphyseal side of both medial and lateral sides of the right knee distal femoral physis...
February 2018: Journal of Pediatric Orthopedics
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