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Femoral anteversion

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https://www.readbyqxmd.com/read/29775910/hip-and-patellofemoral-joint-loading-during-gait-are-increased-in-children-with-idiopathic-torsional-deformities
#1
Elyse Passmore, H Kerr Graham, Marcus G Pandy, Morgan Sangeux
BACKGROUND: Torsional deformities of the femur and tibia are associated with gait impairments and joint pain. Several studies have investigated these gait deviations in children with cerebral palsy. However, relatively little is known about gait deviations in children with idiopathic torsion and debate ensues about the management of these patients. RESEARCH QUESTION: What are the effects of idiopathic increased femoral neck anteversion and external tibial torsion on lower-limb kinematics, kinetics and joint loading during gait in children and adolescents...
May 9, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29765881/determinants-of-hip-and-femoral-deformities-in-children-with-spastic-cerebral-palsy
#2
Yoona Cho, Eun Sook Park, Han Kyul Park, Jae Eun Park, Dong-Wook Rha
Objective: To find factors affecting hip and femoral deformities in children with spastic cerebral palsy (CP) by comparing various clinical findings with imaging studies including plain radiography and computed tomography (CT) imaging. Methods: Medical records of 709 children with spastic CP who underwent thorough baseline physical examination and functional assessment between 2 to 6 years old were retrospectively reviewed. Fifty-seven children (31 boys and 26 girls) who had both plain radiography of the hip and three-dimensional CT of the lower extremities at least 5 years after baseline examination were included in this study...
April 2018: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29756497/relationship-between-muscular-and-bony-anatomy-in-native-hips-a-theoretical-background-for-approach-specific-implant-positioning
#3
Doruk Akgün, Philipp von Roth, Tobias Winkler, Carsten Perka, Adam Trepczynski, Bernd Preininger
INTRODUCTION: The aim of this study was to analyse the relationship between bony joint orientation and the distribution of hip musculature. METHODS: The bone anatomy of the hip (femoral antetorsion (AT), acetabular anteversion (AV), and combined anteversion (AV/AT)) and the muscle volume of the gluteal muscles and the tensor fasciae latae were analysed bilaterally using computed tomography data of 49 patients. Muscle force direction (MFD) was determined for each muscle...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29733439/proximal-versus-distal-femoral-derotation-osteotomy-in-bilateral-cerebral-palsy
#4
Mirjam Niklasch, Elizabeth R Boyer, Tom Novacheck, Thomas Dreher, Michael Schwartz
AIM: Femoral derotation osteotomy (FDO) can be conducted either proximally or distally to correct internal rotation gait (IRG) and increased anteversion in children with cerebral palsy (CP). Previous studies with limited numbers of participants have presented comparable short-term static and kinematic outcomes for both techniques. The objective of this retrospective multicentre study was to verify this thesis with a larger number of patients. METHOD: In total, 119 children with CP and IRG were included after matching the groups on preoperative mean stance hip rotation: 67 intertrochanteric (proximal group) FDO (average age at surgery 9y [SD 3y]); 52 supracondylar (distal group) FDO (average age at surgery 12y [SD 3y])...
May 7, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29720218/the-anteroposterior-axis-of-the-tibia-is-adjusted-to-approximately-a-right-angle-to-the-anterior-pelvic-plane-in-the-standing-position-in-patients-with-hip-dysplasia-similar-to-normal-subjects-a-cross-sectional-study
#5
Norio Imai, Dai Miyasaka, Hayato Suzuki, Kazuki Tsuchiya, Tomoyuki Ito, Izumi Minato, Naoto Endo
BACKGROUND: We previously described that the anteroposterior (AP) axis of the tibia is approximately perpendicular to the transverse axis of the anterior pelvic plane (APP) in the standing position in healthy subjects. The purpose of this study was to investigate the rotational alignment between the APP and clinical epicondylar axis and the AP axis of the tibia relative to pelvic coordination in the standing position in normal subjects and in women with developmental dysplasia of the hip (DDH) to aid decision making for surgeons in the alignment of implants in total hip or knee arthroplasty...
May 2, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29707056/characterization-of-proximal-femoral-anatomy-in-the-skeletally-immature-patient
#6
B G Beutel, S J Girdler, J A Collins, N Y Otsuka, A Chu
Purpose: The morphology of the proximal femur has been extensively studied in the adult population. However, no literature providing a comprehensive evaluation of the anatomy in paediatric patients exists. The current study aims to characterize such anatomy in skeletally-immature patients, examine potential differences between genders, and analyze how these anatomical parameters change with age. Methods: Cadaveric femurs from the Hamann-Todd Osteological Collection were examined...
April 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29696606/femoral-derotational-osteotomies
#7
REVIEW
Manfred Nelitz
PURPOSE OF REVIEW: Femoral derotational osteotomies are performed to correct residual symptomatic increased femoral torsion in adolescents and adults. Typical indications are anterior knee pain caused by patellar maltracking and patellofemoral instability. There is still no consensus as to what the correct indication is and which surgical techniques lead to the best outcomes in performing a femoral derotational osteotomy. RECENT FINDINGS: Good early clinical outcomes have been reported...
April 25, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29683001/relationship-between-femoral-anteversion-and-tibial-torsion-ct-evaluation-of-38-unilateral-developmental-dysplasia-of-the-hip-patients
#8
Kyu-Jin Cho, Kyung-Soon Park, Young-Rok Shin, Hong-Yeol Yang, Taek-Rim Yoon
INTRODUCTION: Patients with developmental dysplasia of the hip (DDH) present with a wide spectrum of deformities. Few studies have assessed the relationship between femoral anteversion (FA) and rotational profile. The aim of this study is to evaluate the influence of FA on the lower extremity rotational profile by comparing tibial torsion (TT) between the extremities on both sides in patients with unilateral DDH, using computed tomography (CT). PATIENTS AND METHODS: Thirty eight patients with unilateral developmental dysplasia of the hip, who underwent a preoperative rotational profile CT scan at our institution, were evaluated...
April 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29657851/kinematic-alignment-technique-for-total-hip-and-knee-arthroplasty-the-personalized-implant-positioning-surgery
#9
Charles Rivière, Stefan Lazic, Loïc Villet, Yann Wiart, Sarah Muirhead Allwood, Justin Cobb
Conventional techniques for hip and knee arthroplasty have led to good long-term clinical outcomes, but complications remain despite better surgical precision and improvements in implant design and quality.Technological improvements and a better understanding of joint kinematics have facilitated the progression to 'personalized' implant positioning (kinematic alignment) for total hip (THA) and knee (TKA) arthroplasty, the true value of which remains to be determined.By achieving a true knee resurfacing, the kinematic alignment (KA) technique for TKA aims at aligning the components with the physiological kinematic axes of the knee and restoring the constitutional tibio-femoral joint line frontal and axial orientation and soft-tissue laxity...
March 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29605796/femoral-anteversion-assessment-comparison-of-physical-examination-gait-analysis-and-eos-biplanar-radiography
#10
David E Westberry, Linda I Wack, Roy B Davis, James W Hardin
BACKGROUND: Multiple measurement methods are available to assess transverse plane alignment of the lower extremity. RESEARCH QUESTION: This study was performed to determine the extent of correlation between femoral anteversion assessment using simultaneous biplanar radiographs and three-dimensional modeling (EOS imaging), clinical hip rotation by physical examination, and dynamic hip rotation assessed by gait analysis. METHODS: Seventy-seven patients with cerebral palsy (GMFCS Level I and II) and 33 neurologically typical children with torsional abnormalities completed a comprehensive gait analysis with same day biplanar anterior-posterior and lateral radiographs and three-dimensional transverse plane assessment of femoral anteversion...
March 26, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29576639/total-hip-arthroplasty-by-the-direct-anterior-approach-using-a-neck-preserving-stem-safety-efficacy-and-learning-curve
#11
Aditya Khemka, Omar Mograby, Sarah J Lord, Zelda Doyle, Munjed Al Muderis
Background: The concept of femoral neck preservation in total hip replacement (THR) was introduced in 1993. It is postulated that retaining cortical bone of the femoral neck offers triplanar stability, uniform stress distribution, and accommodates physiological anteversion. However, data on safety, efficacy and learning curve are lacking. Materials and Methods: We prospectively assessed all patients who were operated for a THR with a short neck preserving stem (MiniHip) between 2012 and 2014...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29573918/minimum-10-year-outcome-of-one-stage-total-hip-arthroplasty-without-subtrochanteric-osteotomy-using-a-cementless-custom-stem-for-crowe-iii-and-iv-hip-dislocation
#12
Olivier Freddy Hitz, Xavier Flecher, Sébastien Parratte, Matthieu Ollivier, Jean-Noël Argenson
BACKGROUND: Options for total hip arthroplasty (THA) in high dislocated hips include subtrochanteric osteotomy (STO), high hip center positioning, and 2-stage surgery with progressive lowering using an external fixator before THA. We described the long-term results of 1-stage THA performed without STO, using a cementless customized stem associated if necessary with sequential tenotomies and/or greater trochanteric osteotomy. METHODS: Ninety-eight consecutive THA without STO were performed using this technique...
February 21, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29567105/proximal-and-distal-alignment-of-normal-canine-femurs-a-morphometric-analysis
#13
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/29564292/short-term-outcomes-of-ceramic-coated-metal-on-metal-large-head-in-total-hip-replacement-arthroplasty
#14
Weon-Yoo Kim, Myung-Sup Ko, Se-Won Lee, Kwang-Sub Kim
Purpose: This study characterizes the short-term outcomes of ceramic coated metal-on-metal (MoM) large head total hip arthroplasty (THA) in prospectively selected patients aged 70 to 75 years. Materials and Methods: Eighteen patients (18 hips) between the ages of 70 and 75-years old with THA using ceramic-coated MoM large heads between June 2014 and December 2014 were evaluated. We prospectively selected patients younger than 70 years for bipolar hemiarthroplasty and older than 75 years for conventional THA...
March 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29562413/-a-therapeutic-effect-analysis-of-femur-first-principle-and-combined-anteversion-technique-during-total-hip-arthroplasty
#15
X Q Wang, C S Wu, S Sun, J Wang, W Li, W Zhang
Objective: To investigate the situation of hip dislocation with the application of "femur first" principle and "combined anteversion technique" during total hip arthroplasty. Methods: A retrospective analysis has been done on the clinical data about 104 patients(133 hips)who were diagnosed as hip disease and were treated with total hip arthroplasty by the doctors from the Department of Joint Orthorpaedics of Shandong Provincial Hospital Affiliated to Shandong University from June 2014 to June 2016, and all the prostheses applied in the operation were cementless ones...
April 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29560334/change-of-femoral-anteversion-angle-in-children-with-intoeing-gait-measured-by-three-dimensional-computed-tomography-reconstruction-one-year-follow-up-study
#16
Minsik Kong, Hongsik Jo, Chang Han Lee, Se-Woong Chun, Chulho Yoon, Heesuk Shin
Objective: To evaluate femoral anteversion angle (FAA) change in children with intoeing gait depending on age, gender, and initial FAA using three-dimensional computed tomography (3D-CT). Methods: The 3D-CT data acquired between 2006 and 2016 were retrospectively reviewed. Children 4 to 10 years of age with symptomatic intoeing gait with follow-up interval of at least 1 year without active treatment were enrolled. Subjects were divided into three groups based on age: group 1 (≥4 and <6 years), group 2 (≥6 and <8 years), and group 3 (≥8 and <10 years)...
February 2018: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29532499/influence-of-radiographic-techniques-on-the-measurement-of-femoral-anteversion-angles-and-a-conformation-score-of-pelvic-limbs-in-labrador-retrievers
#17
Ayman A Mostafa, Devin P Cunningham, Randy J Boudrieau, Michael P Kowaleski, Dominique J Griffon
OBJECTIVE: To determine repeatability of and correlation between 2 radiographic measurements of femoral anteversion angles (FAA) and to determine their influence on a score derived from tibial plateau angle (TPA) and FAA to predict the risk of cranial cruciate ligament disease (CCLD). STUDY DESIGN: Prospective clinical study. ANIMALS: Forty-eight Labrador retrievers with or without CCLD. METHODS: FAA and CCLD scores were calculated for each limb from extended pelvic radiographs (t-FAA) or angled (a-FAA) projections of the femur by 3 investigators...
April 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29529664/the-safe-zone-range-for-cup-anteversion-is-narrower-than-for-inclination-in-tha
#18
William S Murphy, Ho Hyun Yun, Brett Hayden, Jens H Kowal, Stephen B Murphy
BACKGROUND: Cup malposition is a common cause of impingement, limitation of ROM, acceleration of bearing wear, liner fracture, and instability in THA. Previous studies of the safe zone based on plain radiographs have limitations inherent to measuring angles from two-dimensional projections. The current study uses CT to measure component position in stable and unstable hips to assess the presence of a safe zone for cup position in THA. QUESTIONS/PURPOSES: (1) Does acetabular component orientation, when measured on CT, differ in stable components and those revised for recurrent instability? (2) Do CT data support historic safe zone definitions for component orientation in THA? METHODS: We identified 34 hips that had undergone revision of the acetabulum for recurrent instability that also had a CT scan of the pelvis between August 2003 and February 2017...
February 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29526410/impingement-type-bony-morphology-was-related-to-cartilage-defects-but-not-pain-in-professional-ballet-dancers-hips
#19
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/29492995/radiological-and-osteological-study-of-the-pelvic-limbs-in-free-ranging-capybaras-hydrochoerus-hydrochaeris
#20
G C Brombini, S C Rahal, B C Schimming, I F C Santos, M H Tsunemi, M J Mamprim, L S Alves, A L Filadelpho, C R Teixeira
This study aimed to describe the radiographic anatomy and osteology and to evaluate angular radiographic measurements-Norberg angle, inclination angle and anteversion angle-of the pelvic limbs in free-ranging capybaras. Twenty cadavers of free-ranging capybaras (Hydrochoerus hydrochaeris), including five adults and 15 subadults, were studied. Ventrodorsal, craniocaudal, dorsoplantar and mediolateral radiographic views of the pelvic limbs were obtained. The radiographic features were described together with bone samples...
June 2018: Anatomia, Histologia, Embryologia
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