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tibial torsion

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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/29759883/minimally-invasive-plate-osteosynthesis-for-tibial-derotation-osteotomies-in-children-with-cerebral-palsy
#2
Ilker Abdullah Sarikaya, Ali Seker, Ozan Ali Erdal, Mehmet Ali Talmac, Muharrem Inan
OBJECTIVE: Tibial derotation osteotomy can be used in the treatment of rotational deformities in case of ineffective conservative management. Our aim was to evaluate the results of the patients who underwent minimal invasive plate osteosynthesis for tibial derotation osteotomies. METHODS: Total of 16 patients (17 procedures) were included in this study. Mean age was 11.5 (3-25) years. We clinically assessed the tibial torsion by measuring the thigh-foot angle (TFA)...
May 11, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29697490/lower-extremity-rotational-profile-and-toe-walking-in-preschool-children-with-autism-spectrum-disorder
#3
Atilla Arik, Cemalettin Aksoy, Ayla Aysev, Melda Akçakin
The aim of this study was to establish the torsional and toe-walking profiles of children with autism spectrum disorder (ASD), and to analyze the correlations between torsion, toe-walking, autism severity score, and age. In total, 79 consecutive children with autism were examined to determine their hip rotations, thigh-foot angle, degree of toe-walking, and autism severity. Femoral and tibial torsion values, of the preschool patients, were compared statistically with age-matched controls. The hip rotation profile of the patients was similar to the normal group...
April 24, 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/29694621/correlation-between-physical-examination-and-three-dimensional-gait-analysis-in-the-assessment-of-rotational-abnormalities-in-children-with-cerebral-palsy
#4
Fernando Borge Teixeira, Amancio Ramalho Júnior, Mauro César de Morais Filho, Danielli Souza Speciali, Catia Miyuki Kawamura, José Augusto Fernandes Lopes, Francesco Camara Blumetti
Objective To evaluate the correlation between physical examination data concerning hip rotation and tibial torsion with transverse plane kinematics in children with cerebral palsy; and to determine which time points and events of the gait cycle present higher correlation with physical examination findings. Methods A total of 195 children with cerebral palsy seen at two gait laboratories from 2008 and 2016 were included in this study. Physical examination measurements included internal hip rotation, external hip rotation, mid-point hip rotation and the transmalleolar axis angle...
2018: Einstein
https://www.readbyqxmd.com/read/29683001/relationship-between-femoral-anteversion-and-tibial-torsion-ct-evaluation-of-38-unilateral-developmental-dysplasia-of-the-hip-patients
#5
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/29604337/sexually-dimorphic-tibia-shape-is-linked-to-natural-osteoarthritis-in-str-ort-mice
#6
Behzad Javaheri, Hajar Razi, Miriam Piles, Roberto de Souza, Yu-Mei Chang, Iris Maric-Mur, Mark Hopkinson, Peter D Lee, Andrew A Pitsillides
OBJECTIVES: Human osteoarthritis (OA) is detected only at late stages. Male STR/Ort mice develop knee OA spontaneously with known longitudinal trajectory, offering scope to identify OA predisposing factors. We exploit the lack of overt OA in female STR/Ort and in both sexes of parental, control CBA mice to explore whether early divergence in tibial bone mass or shape are linked to emergent OA. METHOD: We undertook detailed micro-CT comparisons of trabecular and cortical bone, multiple structural/architectural parameters and finite element modelling (FEM) of the tibia from male and female STR/Ort and CBA mice at 8-10 (pre-OA), 18-20 (OA onset) and 40+ weeks (advanced OA) of age...
March 28, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29534279/a-comparison-of-angular-values-of-the-pelvic-limb-with-normal-and-medial-patellar-luxation-stifles-in-chihuahua-dogs-using-radiography-and-computed-tomography
#7
Thitaporn Phetkaew, Marissak Kalpravidh, Rampaipat Penchome, Chalika Wangdee
OBJECTIVE:  This article aimed to determine and compare the angular values of the pelvic limb in normal and medial patellar luxation (MPL) stifles in Chihuahuas using radiography and computed tomographic (CT) scan, to identify the relationship between pelvic limb angles and severity of MPL. In addition, radiographic and CT images were compared to determine the more suitable method of limb deformity assessment. METHODS:  Sixty hindlimbs of Chihuahuas were divided into normal and grade 1, 2, 3 and 4 MPL groups...
February 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29506933/extrinsic-factors-as-component-positions-to-bone-and-intrinsic-factors-affecting-postoperative-rotational-limb-alignment-in-total-knee-arthroplasty
#8
Tomoharu Mochizuki, Takashi Sato, Osamu Tanifuji, Satoshi Watanabe, Koichi Kobayashi, Naoto Endo
BACKGROUND: This study aimed to identify the factors affecting postoperative rotational limb alignment of the tibia relative to the femur. We hypothesized that not only component positions but also several intrinsic factors were associated with postoperative rotational limb alignment. METHODS: This study included 99 knees (90 women and 9 men) with a mean age of 77 ± 6 years. A three-dimensional (3D) assessment system was applied under weight-bearing conditions to biplanar long-leg radiographs using 3D-to-2D image registration technique...
February 13, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29330745/-treatment-of-rotational-malalignment-of-the-lower-leg
#9
REVIEW
P Keppler
BACKGROUND: Rotational malalignment after intramedullary nailing of tibial shaft fractures is not uncommon. In-toeing and out-toeing conditions in children are often the reason for orthopedic and traumatological medical consultation. OBJECTIVE: Evaluation of diagnostic modalities and therapeutic options for rotational malalignment in relationship to the patient's age. Surgical indications and efficacy of specific surgical techniques. MATERIAL AND METHODS: Systematic literature search in the German Institute for Medical Documentation and Information (DIMDI) and MEDLINE and evaluation of the currently published articles...
March 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29239536/-patellar-instability-diagnosis-and-treatment
#10
Trieu Hoai Nam Ngo, Robin Martin
The aim of this paper is to present recent advances in surgical management of patellar instability. Several anatomical factors were reported to promote instability. We propose to classify them in two groups. Extra articular factors are valgus and torsion deformity. Articular factors include trochlea and patella dysplasia, tibial tubercle lateralization and medial patellofemoral ligament (MPFL) insufficiency. Acute patellar dislocations are treated conservatively, with exception for osteochondral and MPFL avulsion fractures that require acute reinsertion...
December 13, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29154969/adults-with-cystic-fibrosis-have-deficits-in-bone-structure-and-strength-at-the-distal-tibia-despite-similar-size-and-measuring-standard-and-relative-sites
#11
Kyle K Nishiyama, Sanchita Agarwal, Anna Kepley, Fernando Rosete, Yizhong Hu, X Edward Guo, Claire L Keating, Emily A DiMango, Elizabeth Shane
Individuals with cystic fibrosis (CF) have lower bone mineral density (BMD) by DXA and are at higher risk of fracture than healthy controls. However, the 2-dimensional measurement of areal BMD (aBMD) provided by DXA is influenced by bone size and the true extent of the bone deficit is unclear. Our objective was to use high-resolution peripheral quantitative computed tomography (HR-pQCT) and individual trabecula segmentation (ITS) analysis to compare volumetric BMD (vBMD), microarchitecture and estimated strength at the distal radius and tibia in 26 young adults with CF and 26 controls matched for age, gender, and race...
February 2018: Bone
https://www.readbyqxmd.com/read/29150745/alignment-in-the-transverse-plane-but-not-sagittal-or-coronal-plane-affects-the-risk-of-recurrent-patella-dislocation
#12
Shigeru Takagi, Takashi Sato, Satoshi Watanabe, Osamu Tanifuji, Tomoharu Mochizuki, Go Omori, Naoto Endo
PURPOSE: Abnormalities of lower extremity alignment (LEA) in recurrent patella dislocation (RPD) have been studied mostly by two-dimensional (2D) procedures leaving three-dimensional (3D) factors unknown. This study aimed to three-dimensionally examine risk factors for RPD in lower extremity alignment under the weight-bearing conditions. METHODS: The alignment of 21 limbs in 15 RPD subjects was compared to the alignment of 24 limbs of 12 healthy young control subjects by an our previously reported 2D-3D image-matching technique...
November 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29140160/clinical-measures-and-their-contribution-to-dysfunction-in-individuals-with-patellar-tendinopathy
#13
Hyunjae Jeon, Melanie L McGrath, Neal Grandgenett, Adam B Rosen
CONTEXT: Patellar tendinopathy is prevalent in physically active populations and it affects their quality of living, performance of activity, and may contribute to the early cessation of their athletic careers. A number of previous studies have identified contributing factors for patellar tendinopathy however their contributions to self-reported dysfunction remain unclear. OBJECTIVE: The purpose of this investigation was to determine if strength, flexibility, and various lower extremity static alignments contributed to self-reported function and influence the severity of patellar tendinopathy...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29134368/-patellofemoral-instability
#14
S F Fucentese
Patellofemoral instability is an extremely limiting pathology in young and active patients. Anatomical reasons for patellar instability, such as high-riding patella, elevated distance from the tibial tuberosity to trochlear groove (TTTG), trochlear dysplasia, insufficient medial patellofemoral ligament (MPFL) and malpositioning of the axes and torsion can lead to chronic patellofemoral instability and must be thoroughly analyzed. The first dislocation can be treated conservatively, with the exception of an osteochondral defect...
January 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29079908/patellofemoral-dysbalance-and-genua-valga-outcome-after-femoral-varisation-osteotomies
#15
Jörg Dickschas, Felix Ferner, Christoph Lutter, Kolja Gelse, Jörg Harrer, Wolf Strecker
INTRODUCTION: Patellofemoral dysbalance may be caused by trochlear dysplasia, an elevated TTTG distance, femoral or tibial torsional deformities, patella alta, or a genu valgum. The surgical procedure for the treatment of a genu valgum is varisation osteotomy, usually in the femoral aspect. Several authors believe that a genu valgum is one cause of patellofemoral dysbalance, but studies about the outcome of the treatment with a varisation osteotomy are rare. MATERIALS AND METHODS: Nineteen knees in 18 patients, aged on average 28 (16-52) years were investigated in a retrospective study...
January 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29023791/application-of-computed-tomography-and-stereolithography-to-correct-a-complex-angular-and-torsional-limb-deformity-in-a-donkey
#16
Alexandra Radtke, Samantha Morello, Peter Muir, Courtney Arnoldy, Jason Bleedorn
OBJECTIVE: To report the evaluation, surgical planning, and outcome for correction of a complex limb deformity in the tibia of a donkey using computed tomographic (CT) imaging and a 3D bone model. STUDY DESIGN: Case report. ANIMALS: A 1.5-year-old, 110 kg donkey colt with an angular and torsional deformity of the right pelvic limb. METHODS: Findings on physical examimation included a severe, complex deformity of the right pelvic limb that substantially impeded ambulation...
November 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28942027/tibial-tubercle-torsion-a-new-factor-of-patellar-instability
#17
V Chassaing, J-M Zeitoun, M Camara, J-L Blin, S Marque, M-D Chancelier
INTRODUCTION: External torsion of the anterior tibial tubercle (TT), defined as external rotation around a craniocaudal axis with respect to the posterior femoral condylar plane, may induce patellar instability. To our knowledge no studies have focused on this parameter. The present study aimed to perform an MRI analysis of TT torsion. The study hypothesis was that TT torsion correlates with patellar instability and with 3 of its components: tibial tubercle-trochlear groove (TT-TG) distance, axial engagement index of the patella (AEI), and patellar tilt...
December 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28925669/lower-extremity-abnormalities-in-children
#18
Caitlyn M Rerucha, Caleb Dickison, Drew C Baird
Leg and foot problems in childhood are common causes of parental concern. Rotational problems include intoeing and out-toeing. Intoeing is most common in infants and young children. Intoeing is caused by metatarsus adductus, internal tibial torsion, and femoral anteversion. Out-toeing is less common than intoeing and occurs more often in older children. Out-toeing is caused by external tibial torsion and femoral retroversion. Angular problems include genu varum (bowleg) and genu valgum (knock knee). With pes planus (flatfoot), the arch of the foot is usually flexible rather than rigid...
August 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28904628/tibial-derotational-osteotomies-in-two-neuromuscular-populations-comparing-cerebral-palsy-with-myelomeningocele
#19
R M Thompson, S Ihnow, L Dias, V Swaroop
PURPOSE: To review the outcomes of tibial derotational osteotomies (TDOs) as a function of complication and revision surgery rates comparing a cohort of children with myelodysplasia to a cohort with cerebral palsy (CP). METHODS: A chart review was completed on TDOs performed in a tertiary referral centre on patients with myelodysplasia or CP between 1985 and 2013 in patients aged > 5 years with > 2 years follow-up. Charts were reviewed for demographics, direction/degree of derotation, complications and need for re-derotation...
August 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28869487/rhbmp-2-in-an-injectable-gelfoam-carrier-enhances-consolidation-of-the-distracted-callus-in-a-sheep-model
#20
Thilo Floerkemeier, Fritz Thorey, Mathias Wellmann, Christof Hurschler, Stefan Budde, Henning Windhagen
BACKGROUND: A major problem associated with distraction osteogenesis is the long time required for consolidation. OBJECTIVE: The goal of this study was to determine whether a percutaneous injection of recombinant human bone morphogenetic protein-2 (rhBMP-2) in a Gelfoam carrier would enhance bone consolidation following distraction. METHODS: A unilateral tibial osteotomy combined with external stabilization was performed in 14 adult sheep...
December 4, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
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