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Legg calve perthes

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https://www.readbyqxmd.com/read/27904729/treatment-of-late-onset-legg-calve-perthes-disease-by-arthrodiastasis
#1
Sung Soo Kim, Chan Woo Lee, Hyeon Jun Kim, Hyun Ho Kim, Lih Wang
BACKGROUND: To evaluate the efficacy of arthrodiastasis for Legg-Calve-Perthes disease. METHODS: Arthrodiastasis was conducted using external fixator devices (Orthofix) in 7 patients at least 8 years of age with a diagnosis of Legg-Calve-Perthes disease. The average follow-up was 80 months (range, 32 to 149 months), and their average age was 9.1 years (range, 8 to 12 years). The results of treatment were evaluated by measuring the degree of hip pain and the range of motion of the hip at 6 months after the operation and comparing the values with preoperative measurements...
December 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27886352/alterations-of-serum-osteocalcin-levels-in-patients-with-legg-calv%C3%A3-perthes
#2
Wen-Bo Wei, Sha-Jie Dang, Yong Li, Zong-Zhi Liu
BACKGROUND: Legg-Calvé-Perthes disease (LCPD) is a paediatric form of osteonecrosis that ultimately heals but will cause femoral head and acetabular deformities. The purpose of this study was to investigate the early serum measurement of osteocalcin in children with femoral head necrosis compared with that of healthy children. METHODS: 20 patients with LCPD (4 girls and 16 boys) and 20 healthy volunteers (5 girls and 15 boys) were enrolled. All patients did not have additional treatment...
November 14, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27864891/3d-mri-quantification-of-femoral-head-deformity-in-legg-calv%C3%A3-perthes-disease
#3
Karen D Standefer, Molly Dempsey, ChanHee Jo, Harry K W Kim
The purpose of this study was to quantify femoral head deformity in patients with Legg-Calvé-Perthes disease (LCPD) using a novel three dimensional (3D) magnetic resonance imaging (MRI) reconstruction and volume based analysis. Bilateral femoral heads of 17 patients (mean age 9.9 ± 2.0 years; 12 boys, 5 girls) with LCPD were scanned 1-2 times (n= 33 LCPD heads, 20 normal heads) using a 1.5T MRI scanner. Fourteen patients had unilateral and three had bilateral LCPD with 5 hips in the Waldenström initial stage, 9 in the fragmentation stage, 14 in the reossification stage, and 5 in the healed stage...
November 19, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27852919/can-we-solve-legg-calv%C3%A3-perthes-disease-with-better-imaging-technology-commentary-on-an-article-by-harry-k-w-kim-md-ms-et-al-assessment-of-femoral-head-revascularization-in-legg-calv%C3%A3-perthes-disease-using-serial-perfusion-mri
#4
https://www.readbyqxmd.com/read/27852906/assessment-of-femoral-head-revascularization-in-legg-calv%C3%A3-perthes-disease-using-serial-perfusion-mri
#5
Harry K W Kim, Jamie Burgess, Alec Thoveson, Paul Gudmundsson, Molly Dempsey, Chan-Hee Jo
BACKGROUND: Legg-Calvé-Perthes disease is a juvenile form of osteonecrosis of the femoral head. The purpose of this study was to use serial perfusion magnetic resonance imaging (MRI) to determine the pattern and rate of revascularization of the femoral heads of patients with the active stage of Legg-Calvé-Perthes disease. METHODS: We performed a prospective study of 29 patients (30 hips) with a mean age (and standard deviation) of 8.4 ± 1.9 years who were diagnosed with Waldenström Stage-1 or 2 Legg-Calvé-Perthes disease...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27832014/proximal-femoral-osteotomy-in-legg-calv%C3%A3-perthes-disease-using-a-monolateral-external-fixator-surgical-technique-outcome-and-complications
#6
Kwang-Won Park, Ishani P Shah, Ashok K Ramanathan, Tae-Jin Lee, Hae-Ryong Song
: Although external fixation methods have been described for proximal femoral osteotomy for various etiologies, none are dedicated to a single disease entity. Our study introduces a technique of proximal femoral osteotomy and fixation with a monolateral external fixator system in Legg-Calvé-Perthes disease (LCPD). Twenty-three patients (19 males, four females) with LCPD underwent surgery at our institute between 2004 and 2012. Varus osteotomy (group A, 11 hips) and valgus osteotomy (group B, 12 hips) were performed and the monolateral external fixator system was used...
November 9, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27828848/lateral-shelf-acetabuloplasty-for-severe-legg-calv%C3%A3-perthes-disease-in-patients-older-than-8-years-a-mean-eleven-year-follow-up
#7
Wen-Chao Li, Rui-Jiang Xu
The natural history of Legg-Calvé-Perthes disease (LCPD) in children older than 8 years is usually poor without treatment. The treatment goal is to prevent deformity and incongruity of the hip by achieving a stable spherical femoral head in a deep, congruent, sharp-edged acetabulum, with a good range of hip movement at skeletal maturity. Lateral shelf acetabuloplasty in LCPD can increase the coverage of the femoral head, benefiting the remodeling of the femoral head and acetabulum. The aim of this study was to evaluate the efficacy of lateral shelf acetabuloplasty for severe LCPD in patients older than 8 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27698645/bilateral-legg-calve-perthes-disease-and-kienbock-s-disease-in-a-child-with-factor-v-leiden-thrombophilia-a-case-report
#8
Heather L Baltzer, Scott Riester, Steven L Moran
Background: The etiology of multifocal osteonecrosis is not definitively known; however, hypercoagulable state is a very plausible cause. Methods: We present an unusual case of a 12-year-old boy with a history of Legg-Calve-Perthes disease presenting with right wrist pain who was subsequently diagnosed with Kienbock's disease. The finding of multifocal osteonecrosis prompted testing for a hypercoagulable state that was positive for Factor V Leiden thrombophilia. A thorough literature review using Medline database was conducted to investigate associations between inherited hypercoagulable states and multifocal osteonecrosis...
September 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/27648614/necrotic-bone-stimulates-proinflammatory-responses-in-macrophages-through-the-activation-of-toll-like-receptor-4
#9
Naga Suresh Adapala, Ryosuke Yamaguchi, Matthew Phipps, Olumide Aruwajoye, Harry K W Kim
In children with Legg-Calvé-Perthes disease, loss of blood supply to the femoral head results in ischemic osteonecrosis. Generally, macrophages play important roles in the inflammatory response to tissue necrosis, but their role in ischemic osteonecrosis of the femoral head (ONFH) is not known. The purpose of this study was to determine the macrophage-inflammatory responses after ONFH and the receptor mechanisms involved in sensing the necrotic bone, using a piglet model of Legg-Calvé-Perthes disease. Induction of ONFH resulted in increased numbers of CD14(+) macrophages (4...
September 17, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27646418/do-radiographic-parameters-of-dysplasia-improve-to-normal-ranges-after-bernese-periacetabular-osteotomy
#10
Eduardo N Novais, Stephen Duncan, Jeffrey Nepple, Gail Pashos, Perry L Schoenecker, John C Clohisy
BACKGROUND: The goal of periacetabular osteotomy (PAO) is to improve the insufficient coverage of the femoral head and achieve joint stability without creating secondary femoroacetabular impingement. However, the complex tridimensional morphology of the dysplastic acetabulum presents a challenge to restoration of normal radiographic parameters. Accurate acetabular correction is important to achieve long-term function and pain improvement. There are limited data about the proportion of patients who have normal radiographic parameters restored after PAO and the factors associated with under- and overcorrection...
September 19, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27628762/-modified-pembersal-osteotomy-technique-with-lyophilized-human-allograft
#11
C Druschel, K Heck, C Kraft, R Placzek
OBJECTIVE: PemberSal osteotomy to improve femoral head coverage by rotating the acetabular roof ventrally and laterally. INDICATIONS: Insufficient coverage of the femoral head, and can be combined with other surgical procedures such as femoral intertrochanteric varus-derotation osteotomy and open reduction for developmental dysplasia and dislocation of the hip or to improve sphericity and containment in Legg-Calvé-Perthes disease. This specific acetabuloplasty can only be performed in patients with an open epiphyseal growth-plate...
December 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27580735/what-mri-findings-predict-failure-10-years-after-surgery-for-femoroacetabular-impingement
#12
Markus S Hanke, Simon D Steppacher, Helen Anwander, Stefan Werlen, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Magnetic resonance arthrogram (MRA) with radial cuts is presently the best available preoperative imaging study to evaluate chondrolabral lesions in the setting of femoroacetabular impingement (FAI). Existing followup studies for surgical treatment of FAI have evaluated predictors of treatment failure based on preoperative clinical examination, intraoperative findings, and conventional radiography. However, to our knowledge, no study has examined whether any preoperative findings on MRA images might be associated with failure of surgical treatment of FAI in the long term...
August 31, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27522609/alumina-alumina-total-hip-arthroplasty-for-the-sequelae-of-legg-calve-perthes-disease-a-comparative-study-with-adult-onset-osteonecrosis
#13
Soong Joon Lee, Jeong Joon Yoo, Hee Joong Kim
BACKGROUND: Total hip arthroplasty (THA) for sequelae of Legg-Calve-Perthes disease (LCPD) involves specific concerns for deformity, leg length discrepancy (LLD), and relatively young age. Excellent long-term outcome has been proven after Alumina-Alumina (Al-Al) THA for relatively young patients, however, there was no study for Al-Al THA for LCPD sequelae. The aim of this study is to evaluate the results of Al-Al THA for LCPD sequelae and to compare the results with those for adult-onset ONFH, in which THA is necessitated in relatively young age and excellent long term outcome has been proven after Al-Al THA...
August 10, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27519973/diffusion-weighted-imaging-and-the-skeletal-system-a-literature-review
#14
REVIEW
K Yao, J M Troupis
Diffusion-weighted imaging (DWI) is a magnetic resonance imaging (MRI) sequence that has a well-established role in neuroimaging, and is increasingly being utilised in other clinical contexts, including the assessment of various skeletal disorders. It utilises the variability of Brownian motion of water molecules; the differing patterns of water molecular diffusion in various biological tissues help determine the contrast obtained in DWI. Although early research on the clinical role of DWI focused mainly on the field of neuroimaging, there are now more studies demonstrating the promising role DWI has in the diagnosis and monitoring of various osseous diseases...
November 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27509329/the-pathogenesis-and-treatment-of-legg-calv%C3%A3-perthes-disease
#15
Talal Ibrahim, David G Little
No abstract text is available yet for this article.
July 19, 2016: JBJS Reviews
https://www.readbyqxmd.com/read/27489318/the-long-term-outcome-after-varus-derotational-osteotomy-for-legg-calv%C3%A3-perthes-disease-a-mean-follow-up-of-42-years
#16
Noam Shohat, Leonel Copeliovitch, Yossi Smorgick, Ran Atzmon, Yigal Mirovsky, Nogah Shabshin, Yiftah Beer, Gabriel Agar
BACKGROUND: Varus derotational osteotomy (VDRO) is one of the most common surgical treatments for Legg-Calvé-Perthes disease, yet its long-term results have not been fully assessed. We aimed to determine the long-term clinical and radiographic outcomes following VDRO. METHODS: Forty patients (43 hips) who underwent VDRO for Legg-Calvé-Perthes disease at our institution from 1959 to 1983, and participated in a follow-up study completed 10 years earlier, were approached for the present study...
August 3, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27478667/a-case-of-legg-calv%C3%A3-perthes-disease-due-to-transient-synovitis-of-the-hip
#17
Tadahiko Ohtsuru, Yasuaki Murata, Yuji Morita, Yutaro Munakata, Yoshiharu Kato
Transient synovitis (TS) of the hip develops spontaneously in childhood; it usually has a good prognosis and is a self-limiting disease. However, its pathology is not well known. We describe a case of Legg-Calvé-Perthes disease (LCPD) that seemingly developed due to TS. Even if TS is diagnosed on the basis of the patient's medical history and imaging findings, physicians should consider the possibility of LCPD and perform a careful observation if joint effusion continues and/or a symptom does not improve within 4 weeks...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27471901/prevalence-of-obesity-in-patients-with-legg-calv%C3%A3-perthes-disease
#18
David Charles Neal, Travis Hall Alford, Amanda Moualeu, Chan-Hee Jo, John Anthony Herring, Harry K W Kim
INTRODUCTION: Children with Legg-Calvé-Perthes disease classically have been described as thin, small, and socioeconomically disadvantaged. Despite the obesity epidemic, no study has determined the prevalence of obesity in this patient population and its effect on treatment. METHODS: This is a retrospective study of 150 patients (172 hips) with Legg-Calvé-Perthes disease seen between 2009 and 2014. Patients were grouped based on body mass index at the initial visit...
September 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27442215/single-versus-combined-procedures-for-severely-involved-legg-calv%C3%A3-perthes-disease
#19
Makoto Kamegaya, Mitsuaki Morita, Takashi Saisu, Jun Kakizaki, Yasuhiro Oikawa, Yuko Segawa
BACKGROUND: The concept of containment as an effective approach to reduce the risk of femoral head deformity has been questioned because modest results have been achieved after nonoperative and operative treatments for severely involved Legg-Calvé-Perthes disease. Several reports have shown the limited effectiveness of some conventional single procedures. However, there is limited data on the effectiveness of combined procedures. METHODS: The surgical group comprised 77 patients (mean age 8...
July 20, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27385385/-t%C3%A3-nnis-and-kalchschmidt-triple-pelvic-osteotomy
#20
A R Zahedi, C Lüring, D Janßen
BACKGROUND: The Tönnis and Kalchschmidt triple pelvic osteotomy (TPO) has been performed at the Klinikum Dortmund for more than 30 years. In more than 5000 cases the TPO has proven its potential to deal with even severe dysplastic hips. TPO can be easily combined with other hip procedures as intertrochanteric osteotomies and even impingement treatment can easily be done. As an elaborate technique TPO respects the growth plates and can therefore also be used for treating Legg-Calve-Perthes disease...
August 2016: Der Orthopäde
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