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Journal articles on the topic 'Varus deformity of the femoral neck'

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1

Tirta, Maria, Ole Rahbek, and Søren Kold. "Case Report of Femoral Neck Stress Fracture in X-linked Hypophosphatemic Rachitis Patient Treated with Mechanical Axis Correction and a Literature Review." Journal of Orthopaedic Case Reports 13, no. 2 (2023): 5–9. http://dx.doi.org/10.13107/jocr.2023.v13.i02.3534.

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Introduction: X-linked hypophosphatemic rachitis (XLHR) is the most common cause of hereditary rickets that can lead to long bone deformities requiring multiple surgical correction procedures. In addition, high rates of fractures are reported in adult XLHR patients. This study aimed to report a case of femoral neck stress fracture in XLHR patient treated with mechanical axis correction. No previous studies demonstrating a combined valgus correction and cephalomedullary nail fixation were identified in the literature. Case Report: A 47-year-old male patient with XLHR attended the outpatient cli
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Fischer, Kenneth J., Felix Eckstein, and Christoph Becker. "DENSITY-BASED LOAD ESTIMATION PREDICTS ALTERED FEMORAL LOAD DIRECTIONS FOR COXA VARA AND COXA VALGA." Journal of Musculoskeletal Research 03, no. 02 (1999): 83–92. http://dx.doi.org/10.1142/s0218957799000105.

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Quantifying differences in joint loading for coxa vara and coxa valga is important for understanding what constitutes a pathological deformity. Prior free-body analyses for varus and valgus femora suggest that the loading direction in single-leg stance becomes more vertical for coxa valga and more horizontal for coxa vara. The objectives of this study were: 1) to apply a density-based load estimation technique to varus and valgus femora; 2) to infer potential differences in femoral loading for varus and valgus femora from the density; and 3) to compare the results with previous studies of femo
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3

Paley, Dror, Claire E. Shannon, Monica Nogueira, Catharina Chiari, and Matthew Harris. "Can Adding BMP2 Improve Outcomes in Patients Undergoing the SUPERhip Procedure?" Children 8, no. 6 (2021): 495. http://dx.doi.org/10.3390/children8060495.

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Congenital femoral deficiency (CFD) Paley type 1b is characterized by severe bony deformity of the upper femur, extra-articular contractures of the hip, and, delayed ossification of the femoral neck and/or subtrochanteric region. The Systematic Utilitarian Procedure for Extremity Reconstruction of the hip (SUPERhip) procedure for the correction of CFD deformities was developed in 1997. Initially, a non-fixed angle device (rush rod) was used for fixation. Late complications of persistent delayed ossification and recurrent varus deformity occurred. In order to reduce and treat such complications
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4

Kataria, Himanshu, Neeraj Sharma, and Rajesh Kumar Kanojia. "One-Stage Osteotomy and Fixation Using a Long Proximal Femoral Nail and Fibular Graft to Correct a Severe Shepherd's Crook Deformity in a Patient with Fibrous Dysplasia: A Case Report." Journal of Orthopaedic Surgery 17, no. 2 (2009): 245–47. http://dx.doi.org/10.1177/230949900901700229.

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We report a case where a one-stage osteotomy and fixation, using a long proximal femoral nail and fibular graft, was performed to correct a severe shepherd's crook deformity (70° varus and 50° retroversion) of the femoral neck with a pathological stress fracture in a patient with fibrous dysplasia. The neck shaft angle was corrected to 125°. At the 57-month follow-up, the patient was free of pain and had no limp or evidence of recurrence.
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Adams, Rachel, Brad Gilleland, Farrah Monibi, and Samuel Franklin. "The effect of valgus and varus femoral osteotomies on measures of anteversion in the dog." Veterinary and Comparative Orthopaedics and Traumatology 30, no. 03 (2017): 184–90. http://dx.doi.org/10.3415/vcot-16-09-0138.

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Summary Objective: To determine whether femoral osteotomies that change frontal plane alignment without affecting torsion influence anteversion and inclination. Methods: Femurs without deformity were scanned to create three-dimensional reconstructions. The femoral head-neck axis was identified by placement of a virtual intra-medullary pin. A proximal osteotomy was simulated to create three conditions while keeping torsion constant: Normal, Coxa Valga (neck-shaft angle increased by 12°), and Coxa Vara (neck-shaft angle decreased by 12°). Femoral anteversion was measured from an axial image in a
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Murphy, Colin G., Michel P. Bonnin, Antoine H. Desbiolles, Yannick Carrillon, and Tarik Aїt Si Selmi. "Varus will Have Varus; A Radiological Study to Assess and Predict Varus Stem Placement in Uncemented Femoral Stems." HIP International 26, no. 6 (2016): 554–60. http://dx.doi.org/10.5301/hipint.5000412.

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Background Varus inclination of the uncemented stem is not necessarily a technical error. The proximal femoral anatomy of hips with a coxa vara deformity frequently predisposes varus inclination. Methods We reviewed a series of 200 patients undergoing primary uncemented THA with the Corail® hip system. Preoperative data were based on patient demographics, diagnosis, and radiographic information (preoperative templating-CT measurements), and compared postoperative alignment for each stem and type of stem used. Proximal femoral traits which can alert surgeons, when templating preoperatively, to
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7

Lirtsman, V. M., V. I. Zorya, and S. F. Gnetetsky. "Treatment of femoral neck fractures at the turn of the century." N.N. Priorov Journal of Traumatology and Orthopedics 4, no. 2 (1997): 12–19. http://dx.doi.org/10.17816/vto106692.

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On the basis of world literature data review and personal observations the authors conclude that primary osteosynthesis should be performed on the day of patients admission in case no special contraindications are present. The application of massive monolithic fixators is not expedient because of their depress the reparative regeneration in fracture zone and damage blood supply of the femoral head. Two fixators are sufficient for stable osteosynthesis: distal fixator is placed with support at Adams arch and/or Markel spur and prevents varus deformity of the femoral head and neck; proximal fixa
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8

Zhang, Yuelei, Chao Yan, Lecheng Zhang, Wei Zhang, and Gang Wang. "Comparison of Ordinary Cannulated Compression Screw and Double-Head Cannulated Compression Screw Fixation in Vertical Femoral Neck Fractures." BioMed Research International 2020 (December 30, 2020): 1–9. http://dx.doi.org/10.1155/2020/2814548.

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Background. The treatment of vertical femoral neck fractures in young patients remains a challenge. This study is aimed at comparing ordinary cannulated compression screw (OCCS) and double-head cannulated compression screw (DhCCS) fixation in vertical femoral neck fractures both clinically and biomechanically. Materials and Methods. Clinically, the radiographs of 81 patients with Pauwel’s III femoral neck fractures, including 54 fractures fixed with three parallel OCCSs and 27 fractures fixed with three parallel DhCCSs, were reviewed retrospectively. Complications consisting of fixation failur
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9

Skvortsov, A., P. Andreev, R. Khabibyanov, and M. Maleev. "SURGICAL TREATMENT OF SYMPTOMATIC VARUS DEFORMITY OF THE FEMORAL NECK IN CHILDREN." Sciences of Europe, no. 147 (August 28, 2024): 25–28. https://doi.org/10.5281/zenodo.13382582.

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Patients with varus deformity of the femoral neck accounted for 8.39% of all patients with various types of orthopedic consequences of acute hematogenous metaepiphyseal osteomyelitis (OGMEO) in the hip joint area. Surgical treatment of these patients with this type of complication of OGMEO is aimed at correcting the angles of AT and SDU, and when surgically correcting the angles of the proximal section in coxa varae, it is necessary to take into account the force of compression occurring in the hip joint. Thus, when correcting the SDU up to 300, decompressive surgery on soft tissues is indicat
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10

AKAMATSU, YASUSHI, NAOTO MITSUGI, NAOYA TAKI, RYOHEI TAKEUCHI, and TOMOYUKI SAITO. "Relationship Between Low Bone Mineral Density and Varus Deformity in Postmenopausal Women with Knee Osteoarthritis." Journal of Rheumatology 36, no. 3 (2009): 592–97. http://dx.doi.org/10.3899/jrheum.080699.

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Objective.To assess the relationship between bone mineral density (BMD) and varus deformity arising from bone structural changes caused by knee osteoarthritis (OA) in postmenopausal women.Methods.This cross-sectional study involved 135 consecutive postmenopausal female patients who had varus knee OA and a Kellgren-Lawrence grade ≥ 2. Knee radiographs were obtained with the patient standing on one leg, and subjects were classified into 3 tertile groups according to femorotibial angle, which was taken as a measure of varus knee OA severity. We also measured the 3 subangles that make up the femor
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11

Batailler, Cécile, Alexandre Naaim, Jeremy Daxhelet, Sébastien Lustig, Matthieu Ollivier, and Sebastien Parratte. "Impact of the diaphyseal femoral deformity on the lower limb alignment in osteoarthritic varus knees." Bone & Joint Open 4, no. 4 (2023): 262–72. http://dx.doi.org/10.1302/2633-1462.44.bjo-2023-0024.r1.

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AimsThe impact of a diaphyseal femoral deformity on knee alignment varies according to its severity and localization. The aims of this study were to determine a method of assessing the impact of diaphyseal femoral deformities on knee alignment for the varus knee, and to evaluate the reliability and the reproducibility of this method in a large cohort of osteoarthritic patients.MethodsAll patients who underwent a knee arthroplasty from 2019 to 2021 were included. Exclusion criteria were genu valgus, flexion contracture (> 5°), previous femoral osteotomy or fracture, total hip arthroplasty, a
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12

Fu, Miss Cassidy, Aashish Goela, Ryan Degen, and Geoffrey Ng. "FP4.12 Statistical Shape Modelling to Differentiate the Symptomatic and Asymptomatic Hip in Bilateral Cam FAI." Journal of Hip Preservation Surgery 12, Supplement_1 (2025): i12—i13. https://doi.org/10.1093/jhps/hnaf011.038.

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Abstract Introduction: Individuals commonly present with bilateral femoroacetabular impingement (FAI) but often only experience unilateral symptoms. This suggests that additional anatomic factors, aside from cam and pincer morphology, may contribute to the presence of symptoms. This study compared the anatomic variations between the symptomatic and asymptomatic hips in bilateral FAI patients using imaging measurements and 3D statistical shape modelling. Methods: Fifty patients with bilateral radiographic FAI, but only symptomatic unilateral FAI (n = 50, m:f = 30:20, age = 25 ± 6 years) were in
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13

Carlile, Graeme S., Christopher P. Wakeling, Nichola Fuller, Darren Fern, and Mark R. Norton. "Hip Resurfacing Arthroplasty in Patients with Varus Deformity of the Femoral Neck-Shaft Angle." HIP International 21, no. 2 (2011): 225–30. http://dx.doi.org/10.5301/hip.2011.6498.

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14

Yasukawa, Shinji, Koji Tanegashima, Mamiko Seki, et al. "Evaluation of bone deformities of the femur, tibia, and patella in Toy Poodles with medial patellar luxation using computed tomography." Veterinary and Comparative Orthopaedics and Traumatology 29, no. 01 (2016): 29–38. http://dx.doi.org/10.3415/vcot-15-05-0089.

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SummaryObjectives: To evaluate morphological parameters of the femur, tibia, and patella in Toy Poodles with medial patellar luxation (MPL) using three-dimensional (3D) computed tomography (CT) and to compare these parameters between radiography and CT.Methods: Thirty-five hindlimbs of Toy Poodles were divided into normal and grade 2 and 4 MPL groups. The anatomical and mechanical lateral proximal femoral angle, anatomical and mechanical lateral distal femoral angle (aLDFA, mLDFA), femoral varus angle (FVA), inclination of the femoral head angle, procurvation angle, anteversion angle (AA), fro
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15

Uday, Prakash, and Kumar Nand. "Pre-Fixation Compression Screw as a Cutting- Edge Technique for Varus Correction during Proximal Femoral Nailing of Intertrochanteric Fractures: A Retrospective Observation." International Journal of Pharmaceutical and Clinical Research 16, no. 5 (2024): 1505–8. https://doi.org/10.5281/zenodo.12759559.

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<strong>Background:</strong>&nbsp;Intertrochanteric fractures are common in the ageing population and are typically treated using proximal femoral nailing (PFN). Achieving optimal alignment, particularly varus correction, is crucial for suc-cessful outcomes. The use of a pre-fixation compression screw presents a novel technique in this context.&nbsp;<strong>Aim:</strong>&nbsp;This study aims to evaluate the efficacy and products of using a pre-fixation compression screw for varus correction during PFN in patients with intertrochanteric fractures.&nbsp;<strong>Methods:</strong>&nbsp;In a retros
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16

Ng, K. C. Geoffrey, Mario Lamontagne, Jonathan R. T. Jeffers, George Grammatopoulos, and Paul E. Beaulé. "Anatomic Predictors of Sagittal Hip and Pelvic Motions in Patients With a Cam Deformity." American Journal of Sports Medicine 46, no. 6 (2018): 1331–42. http://dx.doi.org/10.1177/0363546518755150.

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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
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Ma, Norine, Peter Tischhauser, Carlo Camathias, Reinald Brunner, and Erich Rutz. "Long-Term Evolution of the Hip and Proximal Femur after Hip Reconstruction in Non-Ambulatory Children with Cerebral Palsy: A Retrospective Radiographic Review." Children 9, no. 2 (2022): 164. http://dx.doi.org/10.3390/children9020164.

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Background: Hip displacement in children with cerebral palsy (CP) has a higher prevalence in non-ambulatory children. Progression can lead to pain, pelvic obliquity and difficulty with sitting. This can be addressed with hip reconstruction. Our study aims to report the long-term radiological outcomes after hip reconstruction, in particular the evolution of femoral head deformity. Methods: A total of 58 hips of non-ambulatory children with CP were evaluated retrospectively using pre-operative, early (median 120 days) and late post-operative (median 8.6 years) anteroposterior standardised radiog
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18

Rana, Mohammad Masud, Nokul Kumar Datta, Mohammad Ishaq Bhuiyan, Md Asadullah Ripon, and Abu Zihad Mohammad Salim. "Outcome of Varus Derotation Osteotomy for Containment of Femoral Head in Advanced Perthes Disease." Journal of Enam Medical College 10, no. 2 (2021): 79–85. http://dx.doi.org/10.3329/jemc.v10i2.53532.

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Background: Legg-Calve-Perthes (LCP) disease, or idiopathic avascular necrosis of the femoral head occurs during early childhood and is caused by impaired circulation in the femoral head. Varus derotation osteotomy (VDO) was described over half a century ago, and is now a popular method for the operative treatment of Perthes disease.&#x0D; Objective: To find out the clinical and radiological outcome of varus derotation osteotomy for containment of femoral head in advanced Perthes disease.&#x0D; Materials and Methods: This observational study was conducted in the Department of Orthopaedic Surge
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Kehayov, Raycho I., Anton A. Semenistyy, Pavel R. Georgiev, and Aleksander I. Gerchev. "Treatment Outcomes After Open Reduction, Varus Derotational Osteotomy and Dega Acetabuloplasty in Children With Dislocated Dysplastic Hip: Retrospective Analysis." Traumatology and Orthopedics of Russia 29, no. 4 (2023): 116–24. http://dx.doi.org/10.17816/2311-2905-17407.

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Background. Treatment of developmental dysplasia of the hip (DDH) poses a great challenge for pediatric orthopedists due to the high risk of complications, the most severe of which are avascular necrosis of the femoral head and recurrent dislocation. In the most severe form of dysplasia, hip dislocation, the surgery is indicated after 18 months of age. However, the issue of determining the exact surgical intervention remains controversial.&#x0D; The aim of the study was to provide our own midterm treatment outcomes of patients with DDH, who underwent open reduction for DDH through a modified G
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Lusetti, Filippo, Andrea Bonardi, Chadi Eid, Anna De Bellesini, and Filippo Maria Martini. "Pelvic limb alignment measured by computed tomography in purebred English Bulldogs with medial patellar luxation." Veterinary and Comparative Orthopaedics and Traumatology 30, no. 03 (2017): 200–208. http://dx.doi.org/10.3415/vcot-16-07-0116.

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SummaryObjectives: The aim of the study was to describe the differences in pelvic limb alignment between healthy purebred English Bulldogs and those with medial patellar luxation through the measurement of femoral and tibial angles on computed tomography images in multiplanar reconstruction modality (MPRCT).Methods: Twenty-one purebred English Bulldogs were included and divided into two groups: one including healthy dogs (15 limbs) and the other including those with medial patellar luxation (24 limbs). Three different observers used MPR-CT to measure the following angles: anatomical lateral pr
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Skvortsov, A., I. Yashina, and R. Khabibyanov. "FEATURES OF FRAGMENT FIXATION IN THE TREATMENT OF PROXIMAL FEMOR FRACTURES IN CHILDREN." Sciences of Europe, no. 129 (November 27, 2023): 76–80. https://doi.org/10.5281/zenodo.10208989.

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When treating fractures of the femur, the greatest inconvenience and the greatest number of complications are observed in the treatment of fractures of the proximal femur in children. The short proximal bone fragment and the presence of a significant muscle mass make the problem of repositioning and maintaining bone fragments in the reduced position relevant to this day. The authors have developed and successfully used unilateral fixation device configurations for the treatment of this type of injury. Using the developed device, 20 patients with fractures of the upper third of the femur and 7
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Hayama, Tetsuo, Takuya Otani, Hideki Fujii, et al. "Clinical results of a short stem with flat tapered wedge design in primary total hip arthroplasty for hip dysplasia in Asians." Journal of Orthopaedic Surgery 28, no. 3 (2020): 230949902095674. http://dx.doi.org/10.1177/2309499020956742.

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Background: Cementless femoral reconstruction is challenging in hip dysplasia due to deformity of the proximal femur causing insufficient stem fixation and/or inadequate neck anteversion. Strategies to address these problems include the use of a modular stem or a distal fixation stem, but both stems have some characteristic disadvantages. Methods: We studied the postoperative clinical outcomes in primary total hip arthroplasty in 257 hips using the flat tapered wedge short femoral stem for hip dysplasia in an Asian population (postoperative follow-up period: 2 years to 6 years and 11 months; m
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Tanaka, T., S. Kitasato, M. Chazono та ін. "Use of an Injectable Complex of β-Tricalcium Phosphate Granules, Hyaluronate, and Fibroblast Growth Factor-2 on Repair of Unstable Intertrochanteric Fractures". Open Biomedical Engineering Journal 6, № 1 (2012): 98–103. http://dx.doi.org/10.2174/1874120701206010098.

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We evaluated effects of an injectable complex of β-tricalcium phosphate (β-TCP) granules, hyaluronate, and recombinant human fibroblast growth factor-2 (rhFGF-2) on repair of unstable intertrochanteric fractures in elderly patients. Twenty-five patients (range, 76-91 years) having 31.A2 fractures (AO classification) were treated with injection of the complex followed by intramedullary nails. Bone regeneration and β-TCP resorption, unions of intertrochanteric fractures and displaced lesser trochanters to the shaft, and varus deformity of the femoral neck were assessed by X-ray and CT scans. Fra
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Manish, Rajpoot, Sharma Sourabh, Uikey Suresh, Solanki Chetan, and Rao Mundlapati Gopala. "To Assess the Functional Outcome of Intertrochanteric Fractures of Femur Treated with Proximal Femoral Nail." International Journal of Toxicological and Pharmacological Research 12, no. 9 (2022): 180–86. https://doi.org/10.5281/zenodo.11480610.

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<strong>Background:&nbsp;</strong>Intertrochanteric fractures occurs in the old aged after accidental fall due to osteoporosis and poor bone quality but in young individuals, these fractures are the result of road traffic accidents. Interestingly these constitute around 34% of all hip fractures. The calcar decides the stability of these fractures. Fixation needed in these fractures for early mobilization and better functional outcome. The focus of surgical research in these fractures is to reduce implant failure and cut out of the femoral head and neck fixation components. The current practice
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Popsuishapka, Olexii, Serhii Dovhan та Oleksandr Khomyak. "Остеосинтез у разі переломів шийки та вертлюгової зони стегнової кістки в дітей". ORTHOPAEDICS, TRAUMATOLOGY and PROSTHETICS, № 2 (12 жовтня 2021): 10–16. http://dx.doi.org/10.15674/0030-59872021210-16.

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Proximal femur fractures are uncommon injuries in children, accounting for less than 1 % of all fractures per year, but usually result in hospitalization and are at risk of complications. We have designed a device for bone fragments fixation in the case of proximal femur fractures and the method of its application in adults. The device consists of rods that are screwed into the cap of the head, the diaphyseal part and the module, which is located in the subtrochanter area. The rods can be connected to the module at any angle in the frontal plane. The device provides a certain stage of installa
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Abubeih, Hossam M. A., Osama Farouk, Mohammad Kamal Abdelnasser, Amr Atef Eisa, Galal Zaki Said, and Wael El-adly. "Femoral malalignment after gamma nail insertion in the lateral decubitus position." SICOT-J 4 (2018): 34. http://dx.doi.org/10.1051/sicotj/2018033.

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Introduction: Insertion of gamma nail with the patient in lateral decubitus position have the advantages of easier access to the entry point, easier fracture reduction and easier implant positioning. Our study described the incidence of femoral angular and rotational deformity following gamma nail insertion in lateral decubitus position. Methods: In a prospective clinical case series, 31 patients (26 males and 5 females; the average age of 42.6 years) with 31 proximal femoral shaft fractures that were treated with gamma IMN were included in our study. Postoperatively, computerized tomography s
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T, Tanaka, Kumagae Y, Chazono M та ін. "An Injectable Complex of β-tricalcium Phosphate Granules, Hyaluronate, and rhFGF-2 on Repair of Long-bone Fractures with Large Fragments". Open Biomedical Engineering Journal 8, № 1 (2014): 52–59. http://dx.doi.org/10.2174/1874120701408010052.

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We evaluated the effects of an injectable complex of β-tricalcium phosphate (β-TCP) granules, hyaluronate, and recombinant human fibroblast growth factor-2 (rhFGF-2) on repair of unstable intertrochanteric fractures in elderly patients. Twenty-five patients (range, 76-91 years) having 31.A2 fractures (AO classification) were treated with injection of the complex followed by intramedullary nails. Bone regeneration and β-TCP resorption, unions of intertrochanteric fractures and displaced lesser trochanters to the shaft, and varus deformity of the femoral neck were assessed by X-ray and CT scans.
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Benditz, A., F. Koeck, A. Keshmiri, J. Grifka, G. Maderbacher, and C. Baier. "Different Kinematics of Knees with Varus and Valgus Deformities." Journal of Knee Surgery 31, no. 03 (2017): 264–69. http://dx.doi.org/10.1055/s-0037-1603340.

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AbstractFew data exist of kinematics of knees with varus and valgus deformities combined with osteoarthritis. The purpose of this study was to reveal different (1) tibiofemoral kinematics, (2) medial and lateral gaps, and (3) condylar liftoff of osteoarthritic knees with either varus or valgus deformity before and after total knee arthroplasty (TKA). For this purpose, 40 patients for TKA were included in this study, 23 knees with varus deformity and 17 knees with valgus deformity. All patients underwent computer navigation, and kinematics was assessed before making any cuts or releases and aft
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Klemt, Christian, Stephanie Kha, Hiba Naz, and Stephanie Pun. "EP2.35 The Effect of Femoral Deformity on Hip Contact Mechanics in Patients with Hip Dysplasia: A Finite Element Analysis Study." Journal of Hip Preservation Surgery 12, Supplement_1 (2025): i65—i66. https://doi.org/10.1093/jhps/hnaf011.210.

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Abstract Introduction: Prior finite element analysis (FEA) studies have estimated in-vivo contact mechanics through computational simulations, demonstrating that periacetabular osteotomy (PAO) can correct acetabular dysplasia and restore healthy joint contact mechanics to prevent the development of osteoarthritis. However, the effect of concomitant femoral deformities on hip contact stresses remains unknown. This study aimed to quantify the effect of femoral deformity on hip contact stresses during functional activities in patients with symptomatic hip dysplasia using FEA. Methods: We included
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Piras, Lisa, Bruno Peirone, Derek Fox, and Matteo Olimpo. "Comparison of osteotomy technique and jig type in completion of distal femoral osteotomies for correction of medial patellar luxation." Veterinary and Comparative Orthopaedics and Traumatology 30, no. 01 (2017): 28–36. http://dx.doi.org/10.3415/vcot-16-06-0086.

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SummaryObjectives: Femoral osteotomies are frequently completed to correct malalignment associated with patellar luxation. The objectives of this study were to compare the use of: 1) two different types of jig; and 2) different types of osteotomy in the realignment of canine femoral bone models which possessed various iterations of angular deformity.Methods: Models of canine femora possessing distal varus, external torsion and a combination of varus and torsion underwent correction utilizing two alignment jigs (Slocum jig and Deformity Reduction Device) and either a closing wedge ostectomy (CW
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Bori, Edoardo, and Bernardo Innocenti. "Biomechanical Analysis of Femoral Stem Features in Hinged Revision TKA with Valgus or Varus Deformity: A Comparative Finite Elements Study." Applied Sciences 13, no. 4 (2023): 2738. http://dx.doi.org/10.3390/app13042738.

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Hinged total knee arthroplasty (TKA) is a valid option to treat patients during revision of an implant; however, in case of varus/valgus deformity, the force transmission from the femur to the tibia could be altered and therefore the performance of the implant could be detrimental. To be able to evaluate this, the goal of this study was to investigate, using a validated finite element analysis, the effect of varus/valgus load configurations in the bones when a hinged TKA is used. In detail, short and long stem lengths (50 mm, and 120 mm), were analyzed both under cemented or press-fit fixation
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32

Park, Sin Hyung. "Comparison between Total Hip Arthroplasty for Avascular Osteonecrosis of Femoral Head and That for Fixation Failure of Femoral Neck Fracture." Soonchunhyang Medical Science 30, no. 1 (2024): 1–6. http://dx.doi.org/10.15746/sms.24.001.

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Objective: To compare the clinical and radiologic results between primary total hip replacement arthroplasty (THRA) in patients with avascular necrosis of femoral head (AVN) and secondary THRA in patients with fixation failure of femoral neck fracture.Methods: From March 2014 to February 2021, we retrospectively evaluated a total of 53 patients who underwent either THRA for AVN (33 cases) or THRA for fixation failure of femoral neck fracture (20 cases). Clinical performances and Hemodynamic scales were evaluated. Radiologic analyses were conducted to assess stem alignment, stem stability, the
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Dagneaux, L., M. P. Abdel, R. J. Sierra, D. G. Lewallen, R. T. Trousdale, and D. J. Berry. "TOTAL HIP ARTHROPLASTY IN PATIENTS WITH ANGULAR PROXIMAL FEMORAL DEFORMITIES." Orthopaedic Proceedings 106-B, SUPP_16 (2024): 24. http://dx.doi.org/10.1302/1358-992x.2024.16.024.

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Angular proximal femoral deformities increase the technical complexity of primary total hip arthroplasties (THAs). The goals were to determine the long-term implant survivorship, risk factors, complications, and clinical outcomes of contemporary primary THAs in this difficult cohort.Our institutional total joint registry was used to identify 119 primary THAs performed in 109 patients with an angular proximal femoral deformity between 1997 and 2017. The deformity was related to previous femoral osteotomy in 85%, and developmental or metabolic disorders in 15%. 53% had a predominantly varus angu
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Dagneaux, Louis, Matthew P. Abdel, Rafael J. Sierra, David G. Lewallen, Robert T. Trousdale, and Daniel J. Berry. "Total hip arthroplasty in patients with angular proximal femoral deformities." Bone & Joint Journal 107-B, no. 6 Supple B (2025): 101–8. https://doi.org/10.1302/0301-620x.107b6.bjj-2025-0305.r1.

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AimsAn angular proximal femoral deformity, in association with osteoarthritis (OA) of the hip, considerably increases the technical complexity of primary total hip arthroplasty (THA). The aims of this study were to determine the long-term implant survival, the risk factors for failure, complications, and clinical outcomes of contemporary primary THA in this difficult group of patients.MethodsOur institutional total joint registry was used to identify 119 primary THAs performed in 108 patients with an angular proximal femoral deformity, between January 1997 and September 2017. The deformity was
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35

Danino, B., R. Rödl, J. E. Herzenberg, et al. "Growth modulation in idiopathic angular knee deformities: is it predictable?" Journal of Children's Orthopaedics 13, no. 3 (2019): 318–23. http://dx.doi.org/10.1302/1863-2548.13.190033.

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Purpose To evaluate the temporal and spatial sequence of events following temporal hemiepiphysiodesis in idiopathic knee varus/valgus. Methods This is a retrospective multicentre study on 372 physes in 206 patients. The average rate of correction (ROC) was calculated; univariate and multivariate analysis were performed. Results In all, 92% of the femoral physes were followed for more than one year/reached skeletal maturity. Of those, 93% were corrected to a mechanical lateral distal femoral angle (mLDFA) of 85° to 89°; 2% did not, while 5% were over-corrected. A total of 92% of the tibial phys
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Bhimani, Rohan, Fardeen Bhimani, Rohan Bir Singh, and Preeti Singh. "Enhanced conventional method is as precise as navigation for distal femur resection during total knee replacement: a randomized controlled trial." F1000Research 8 (April 2, 2019): 360. http://dx.doi.org/10.12688/f1000research.18154.1.

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Introduction: The purpose of this prospective study was to determine the accuracy of distal femoral cut and femoral component placement in the coronal plane with the enhanced conventional technique when compared to computer navigation during total knee replacement (TKR). Methods: In total, 475 total knee arthroplasties (TKA) were analyzed (200 optimized conventional TKAs and 275 navigated TKAs) for postoperative mechanical alignment or hip-knee-ankle angle and femoral component coronal alignment and compared between the two groups Results: Mean femoral component coronal alignment was not signi
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MM, Bari, and Bari AM Shayan R. "Genu varum (Rt) genu valgum (Lt), post traumatic ankle varus deformity (Lt)." MOJ Orthopedics & Rheumatology 15, no. 2 (2023): 84–85. http://dx.doi.org/10.15406/mojor.2023.15.00622.

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Ilizarov Technique is a fantastic tool for correcting femoral varus, genu valgum and ankle varus. The case demonstrates an approach to large complex deformity in both right &amp; left knee, and left ankle region. All of the aforementioned deformities were fully corrected by the help of Ilizarov Technique.1,2,3
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Zhang, Hongjie, Jianxiong Ma, Aixian Tian, et al. "Analysis of cartilage loading and injury correlation in knee varus deformity." Medicine 103, no. 19 (2024): e38065. http://dx.doi.org/10.1097/md.0000000000038065.

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Knee varus (KV) deformity leads to abnormal forces in the different compartments of the joint cavity and abnormal mechanical loading thus leading to knee osteoarthritis (KOA). This study used computer-aided design to create 3-dimensional simulation models of KOA with varying varus angles to analyze stress distribution within the knee joint cavity using finite element analysis for different varus KOA models and to compare intra-articular loads among these models. Additionally, we developed a cartilage loading model of static KV deformity to correlate with dynamic clinical cases of cartilage inj
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Тишков, Nikolay Tishkov, Пусева, Marina Puseva, Рудаков, and Aleksey Rudakov. "CLINICAL USE OF ORTHO-SUV TRANSOSSEOUS HEXAPOD IN TREATMENT OF LOWER LIMB FALSE JOINTS." Бюллетень Восточно-Сибирского научного центра Сибирского отделения Российской академии медицинских наук 1, no. 4 (2016): 78–84. http://dx.doi.org/10.12737/22973.

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We studied the use of Ortho-SUV hexapod in the treatment of 15patients with lower limb false joints. All patients were at active working age – from 22 to 50years. In 12patients, the period from the moment of trauma was 1 to 3years, in 3patients – 3 to 6years. 5patients had femoral false joints, 10patients – shin false joints. In 98% of cases, the formation of false joints was caused by inadequate treatment of initial trauma. In 100% of cases, false joint localized at diaphyseal level and was accompanied with shortening of injured segment for 2.5±1.0cm in 13patients, and for 0.5 and 0.8cm in 2c
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Lee, Sung-Sahn, Jewon Jung, Hanbit Kim, et al. "The Effect of Severe Varus Deformity on Clinical and Radiographic Outcomes in Mechanical Aligned Total Knee Arthroplasty with Medial Stabilizing Technique." Journal of Clinical Medicine 13, no. 6 (2024): 1595. http://dx.doi.org/10.3390/jcm13061595.

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Background: The purpose was to compare the clinical and radiographic outcomes between preoperative mild and severe varus deformity after total knee arthroplasty (TKA) with medial stabilizing technique (MST). Methods: We retrospectively analyzed 158 knees of 125 female patients with a 2-year follow-up who underwent mechanically aligned TKA with MST between April 2018 and February 2021. Patients were divided into two groups; the severe varus group was defined as one with preoperative hip-knee ankle (HKA) angle ≥ 15° and the mild varus group with HKA angle &lt; 15°. Pre- and post-operative clinic
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Zinoviev, M. P., R. V. Paskov, S. K. Sergeev, and D. V. Rimashevsky. "RESIDUAL DEFORMITY AFTER BILATERAL KNEE ARTHROPLASTY: IMPACT ON SHORT TERM OUTCOMES." Traumatology and Orthopedics of Russia 24, no. 2 (2018): 19–28. http://dx.doi.org/10.21823/2311-2905-2018-24-2-19-28.

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Purpose— to evaluate the impact of frontal positioning of prosthesis components after bilateral Tka on short term functional outcomes. Material and Methods. The authors performed a retrospective analysis of teleroentgenograms of 466 patients after bilateral Tka with initial varus deformity. Functional and roentgenological outcomes were evaluated at average in 16,4±2,9 months postoperatively. Mean preoperative varus deformity was 10° (from 5 to 25°), initial angle between the anatomical and mechanical femoral axis (FVa) was 6,7±2° (from 3 to 12°). The neutral axis of both lower limbs (Hka = 180
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Puzzitiello, Richard N., Joseph N. Liu, Grant H. Garcia, et al. "Return to Work After Distal Femoral Varus Osteotomy." Orthopaedic Journal of Sports Medicine 8, no. 12 (2020): 232596712096596. http://dx.doi.org/10.1177/2325967120965966.

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Background: Distal femoral varus osteotomy (DFVO) is a well-described procedure to address valgus deformity of the knee. There is a paucity of information available regarding patients’ ability to return to work (RTW) after DFVO. Purpose: To report the objective findings for RTW rates and times for patients receiving a DFVO for lateral compartment osteoarthritis secondary to valgus deformity of the knee. Study Design: Cohort study; Level of evidence, 3. Methods: This was a retrospective study of patients who received a lateral-wedge opening DFVO. Patients must have worked within 3 years before
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Al-Omar, Hussain, Kavi Patel, and Om Lahoti. "NEUTRAL WEDGE DISTAL FEMORAL OSTEOTOMY (NWDFO) FOR CORRECTION OF LARGE VALGUS AND VARUS DEFORMITIES: TECHNIQUE AND RESULTS." Orthopaedic Proceedings 105-B, SUPP_10 (2023): 40. http://dx.doi.org/10.1302/1358-992x.2023.10.040.

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IntroductionAngular deformities of the distal femur can be corrected by opening, closing and neutral wedge techniques. Opening wedge (OW) and closing wedge (CW) are popular and well described in the literature. CW and OW techniques lead to leg length difference whereas the advantage of neutral wedge (NW) technique has several unique advantages. NW technique maintains limb length, wedge taken from the closing side is utilised on the opening side and since the angular correction is only half of the measured wedge on either side, translation of distal fragment is minimum. Leg lengths are not alte
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Ahmad, Sufian S., Luise Weinrich, Gregor M. Giebel, Myriam R. Beyer, Ulrich Stöckle, and Christian Konrads. "Frontal knee alignment influences the vertical orientation of the femoral neck in standing position." Bone & Joint Open 2, no. 12 (2021): 1057–61. http://dx.doi.org/10.1302/2633-1462.212.bjo-2021-0100.r1.

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Aims The aim of this study was to determine the association between knee alignment and the vertical orientation of the femoral neck in relation to the floor. This could be clinically important because changes of femoral neck orientation might alter chondral joint contact zones and joint reaction forces, potentially inducing problems like pain in pre-existing chondral degeneration. Further, the femoral neck orientation influences the ischiofemoral space and a small ischiofemoral distance can lead to impingement. We hypothesized that a valgus knee alignment is associated with a more vertical ori
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Eberbach, Helge, Julian Mehl, Matthias J. Feucht, Gerrit Bode, Norbert P. Südkamp, and Philipp Niemeyer. "Geometry of the Valgus Knee: Contradicting the Dogma of a Femoral-Based Deformity." American Journal of Sports Medicine 45, no. 4 (2016): 909–14. http://dx.doi.org/10.1177/0363546516676266.

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Background: Realignment osteotomies of valgus knee deformities are usually performed at the distal femur, as valgus alignment is considered to be a femoral-based deformity. This dogma, however, has not been proven in a large patient population. Valgus malalignment may also be caused by a tibial deformity or a combined tibial and femoral deformity. Purpose: The purposes of this study were (1) to analyze the coronal geometry of patients with valgus malalignment and identify the location of the underlying deformity and (2) to investigate the proportion of cases that require realignment osteotomy
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González-López, J. L., J. Soleto-Martín, and R. López-Casero Quirós. "Proximal Femoral Epiphysiolysis Secondary to a Femoral Neck Fracture." HIP International 13, no. 1 (2003): 45–48. http://dx.doi.org/10.1177/112070000301300110.

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Fractures of femoral neck in children present serious problems related to the fracture itself, or secondary to delayed and inadequate treatment. Urgent and appropriate treatment is therefore required. We present one case in which late diagnosis and inadequate treatment resulted in a varus union of a cervicotrochanteric fracture that seriously increased the shear forces, thus causing a chronic proximal femoral epiphysiolysis with an evolution similar to that seen in adolescents. This requires early surgical treatment and stable internal fixation with a functionally good medium-term result.
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Sigwalt, Loic, Brice Rubens-Duval, Billy Chedal-Bornu, Regis Pailhe, and Dominique Saragaglia. "Concept of Combined Femoral and Tibial Osteotomies." Journal of Knee Surgery 30, no. 08 (2017): 756–63. http://dx.doi.org/10.1055/s-0037-1603640.

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AbstractMedial knee osteoarthritis is not uncommon, and high tibial osteotomy (HTO) for some surgeons is a unique treatment option for young and active patients. However, the deformity is not always located at the level of proximal part of the tibia and the overcorrection needed to achieve a lasting functional result can lead to an oblique joint line. To avoid this undesirable effect to the joint line, a double-level osteotomy (DLO), one at the distal part of the femur and another one at the proximal part of the tibia, is a viable option. The aim of this article is to present the preoperative
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Cha, Myoung-Soo, Si-Young Song, Koo-Hyun Jung, and Young-Jin Seo. "Distal Femoral Medial Opening Wedge Osteotomy for Post-Traumatic, Distal Femoral Varus Deformity." Knee Surgery and Related Research 31, no. 1 (2019): 61–66. http://dx.doi.org/10.5792/ksrr.18.023.

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McDermott, A. G., J. A. Finklestein, I. Farine, E. L. Boynton, D. L. MacIntosh, and A. Gross. "Distal femoral varus osteotomy for valgus deformity of the knee." Journal of Bone & Joint Surgery 70, no. 1 (1988): 110–16. http://dx.doi.org/10.2106/00004623-198870010-00017.

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Weil, Yoram A., Amal Khoury, Imad Zuaiter, Ori Safran, Meir Liebergall, and Rami Mosheiff. "Femoral Neck Shortening and Varus Collapse After Navigated Fixation of Intracapsular Femoral Neck Fractures." Journal of Orthopaedic Trauma 26, no. 1 (2012): 19–23. http://dx.doi.org/10.1097/bot.0b013e318214f321.

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