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https://www.readbyqxmd.com/read/29110047/hip-shape-is-symmetric-non-dependent-on-limb-dominance-and-gender-specific-implications-for-femoroacetabular-impingement-a-3d-ct-analysis-in-asymptomatic-subjects
#1
Vasco V Mascarenhas, Paulo Rego, Pedro Dantas, Miguel Castro, Lennart Jans, Rui M Marques, Nélia Gouveia, Francisco Soldado, Olufemi R Ayeni, José G Consciência
OBJECTIVE: To determine the reference intervals (RefInt) of the quantitative morphometric parameters of femoroacetabular impingement (FAI) in asymptomatic hips with computed tomography (CT) and determine their dependence on age, side, limb dominance and sex. METHODS: We prospectively included 590 patients and evaluated 1111 hips with semi-automated CT analysis. We calculated overall, side- and sex-specific parameters for imaging signs of cam [omega and alpha angle (α°)] and pincer-type morphology [acetabular version (ACvers), lateral centre-edge angle (LCEA) and cranio-caudal coverage]...
November 6, 2017: European Radiology
https://www.readbyqxmd.com/read/29107133/physeal-fractures-of-the-lower-leg-in-children-and-adolescents-therapeutic-results-pitfalls-and-suggested-management-protocol-based-on-the-experience-of-the-authors-and-contemporary-literature
#2
Marcin Karlikowski, Jerzy Sułko
INTRODUCTION: Physeal fractures in children frequently give rise to concerns about the condition of the growth plate. Our observations have proven that the dysfunction of the growth plate is less frequent complication in those cases than misdiagnosed interposition of the periosteum. The aim of this paper is to familiarize the readers with the issue of treatment of physeal fractures of the distal tibia and fibula in the growing skeleton. MATERIALS AND METHODS: We analyzed the group of 75 patients - children and adolescents - with surgically treated physeal fractures of the lower leg...
October 26, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29104071/hybrid-fixation-in-adult-osteochondritis-dissecans-of-the-knee
#3
L Chadli, C Steltzlen, C Toanen, P Boisrenoult, P Beaufils, N Pujol
Osteochondritis dissecans progresses to osteoarthritis if integration of the fragment is not obtained. The prognosis of osteochondritis dissecans is more severe in adults, as spontaneous integration due to physeal closure does not occur. Hybrid fixation consists in combining screw fixation of the fragment with mosaicplasty through the fragment to promote integration into the native condyle. We describe this technique with reference to 17 patients.
November 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29070026/a-biomechanical-comparison-of-kirschner-wire-fixation-on-fracture-stability-in-salter-harris-type-i-fractures-of-the-proximal-humeral-physis-in-a-porcine-cadaveric-model
#4
Jiawen Ma, Tian Wang, Vedran Lovric, Kenneth A Johnson, William R Walsh
BACKGROUND: The physis is the weakest component of immature long bones, and physeal fractures constitute about 30% of fractures in growing dogs. Fractures of the proximal humeral physis typically have a Salter Harris type I or II configuration. These fractures require accurate reduction and adequate stabilization to allow for any potential continued longitudinal bone growth, in conjunction with physeal fracture healing. Conventional internal fixation of these fractures involves insertion of two parallel Kirschner wires, although other methods described include tension band wiring, Rush pinning, and lag screws...
October 25, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29064870/biomechanical-evaluation-of-pediatric-anterior-cruciate-ligament-acl-reconstruction-techniques-with-and-without-the-anterolateral-ligament-all
#5
Natasha Trentacosta, James L Pace, Melodie Metzger, Max Michalski, Trevor Nelson, Landon Polakof, Bert Mandelbaum
BACKGROUND: Two popular physeal-sparing procedures used in the management of anterior cruciate ligament (ACL) injuries in skeletally immature patients are the iliotibial band (ITB) ACL reconstruction (ACLR) and the all-epiphyseal (AE) ACLR. Although there has been concern for overconstraint of the lateral compartment of the knee with the ITB ACLR technique, rotational stability, as provided by the anterolateral ligament (ALL) and ACL, has not been assessed in the setting of pediatric ACLR techniques...
October 23, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29053502/the-community-orthopaedic-surgeon-taking-trauma-call-pediatric-ankle-fracture-pearls-and-pitfalls
#6
Shital N Parikh, Charles T Mehlman
Pediatric ankle fractures are common and have unique fracture characteristics because of the presence of distal tibial and fibular physes. When displaced (>3 mm widening of the physis or >2 mm intra-articular gap/step-off), these fractures are typically treated with anatomical reduction and internal fixation. Computed tomography is recommended for preoperative evaluation and surgical planning for intra-articular fractures. These fractures in younger children with substantial growth remaining should be followed closely to monitor for any growth disturbance...
November 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29052010/open-versus-closed-treatment-of-distal-tibia-physeal-fractures-a-systematic-review-and-meta-analysis
#7
Waleed A Asad, Manaf H S Younis, Abdulaziz F Ahmed, Talal Ibrahim
AIMS: Distal tibia physeal fractures can lead to growth complications such as premature physeal closure (PPC), angular deformity and leg length discrepancy. The aim of our study was to systematically review the literature to assess whether open reduction and internal fixation (ORIF) is associated with lower rates of PPC compared to closed treatment. MATERIALS AND METHODS: We searched several databases from 1966 to 2016 for studies that evaluated ORIF versus closed treatment of distal tibia physeal fractures...
October 19, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29051906/intra-articular-physeal-fractures-of-the-distal-femur-a-frequently-missed-diagnosis-in-adolescent-athletes
#8
Andrew T Pennock, Henry B Ellis, Samuel C Willimon, Charles Wyatt, Samuel E Broida, M Morgan Dennis, Tracey Bastrom
BACKGROUND: Intra-articular physeal fractures of the distal femur are an uncommon injury pattern, with only a few small case series reported in the literature. PURPOSE: To pool patients from 3 high-volume pediatric centers to better understand this injury pattern, to determine outcomes of surgical treatment, and to assess risk factors for complications. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A multicenter retrospective review of all patients presenting with an intra-articular physeal fracture between 2006 and 2016 was performed...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29051887/uncommon-floating-knee-in-a-teenager-a-case-report-of-ipsilateral-physeal-fractures-in-distal-femur-and-proximal-tibia
#9
Youssef Othman, Lassaad Hassini, Aymen Fekih, Issam Aloui, Abderrazek Abid
INTRODUCTION: The concomitance of ipsilateral physeal fractures of the distal femur and the proximal tibia is an extremely scarce entity. It is conceptually similar to floating knee in pediatric population. CASE REPORT: One case with this injury is reported in a 16-year-old teenager. He was treated surgically by close reduction and internal fixation. The diagnosis of the tibial fracture was initially missed and the fracture was seen on the post-operative radiographs...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29034768/effects-on-cancellous-bone-in-the-metaphysis
#10
Kathryn E Gropp
Cancellous bone has high metabolic activity compared to many other bone compartments and can be affected not only by changes in physeal activity but also by perturbations in homeostasis caused by changes in physiology or on-target pharmacology. Examples of several types of resulting morphologic findings were presented; if known, the pathways causing morphologic changes were discussed.
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29025614/outcome-of-distal-tibia-physeal-fractures-a-review-of-cases-as-related-to-risk-factors
#11
Fabio D'Angelo, Giuseppe Solarino, Davide Tanas, Alessia Zani, Paolo Cherubino, Biagio Moretti
INTRODUCTION: The physeal fractures represent the 20-30% of all fractures of the child. The distal tibial physis is the third most frequently injured. The most important complication is the premature physeal closure (PPC). Aim of this study is to evaluate risk factors that can influence the outcome like fracture pattern, fracture displacement, mechanism of injury and treatment method. MATERIAL AND METHODS: The records of 46 patients treated for distal tibia physeal fractures between 2003 and 2013 were reviewed...
October 2017: Injury
https://www.readbyqxmd.com/read/29016430/an-anatomic-and-radiographic-study-of-the-distal-tibial-epiphysis
#12
Cynthia V Nguyen, Janelle D Greene, Daniel R Cooperman, Raymond W Liu
BACKGROUND: Although the undulating shape of the distal tibial epiphysis is well recognized, its anatomic features have not been well quantified in the literature. To guide the placement of surgical implants about the distal tibial physis, we investigated the topographical anatomy of the distal tibial epiphysis and explored the ability of standard radiographs to visualize the physis. METHODS: We studied 30 cadaveric distal tibial epiphyses in specimens 3 to 14 years of age...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28984680/pan-tibial-avascular-necrosis-in-a-12-year-old-boy-a-case-report
#13
Nirmal R Gopinathan, Balaji Saibaba, Siva S Santhanam, Kevin Syam
We report a unique case of post-traumatic avascular necrosis of tibia in a 12-year-old boy following a Salter-Harris type II physeal injury of the proximal tibia. The diagnosis was made on the basis of classical radiological findings. The only clinical symptom was diffuse shin pain. The patient was managed conservatively. At our 2-year follow-up, there was clinical and radiological evidence of spontaneous resolution of avascular necrosis, but with sequelae. The child developed a limb-length discrepancy and genu valgum...
October 3, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28983219/reliability-and-reproducibility-of-subject-positioning-with-eos-low-dose-biplanar-x-ray
#14
Christine Goodbody, Paz Kedem, Michaela Thompson, Huong T Do, Douglas N Mintz, Roger F Widmann, Emily R Dodwell
BACKGROUND: EOS low-dose biplanar X-ray used with tantalum bead implantation is an appealing imaging modality to evaluate limb length and physeal growth due its relatively low radiation exposure, excellent inter- and intra-observer reliability, and minimal magnification/shrinkage error. QUESTIONS/PURPOSES: The purpose of this study was to establish the error in total length and inter-bead distances using EOS and tantalum beads due to variable positioning in the EOS gantry, by assessing variation in measurements made on the same subject repeatedly positioning by one positioner (intra-positioner measurement error) and variation in measurements made on the same subject with positioning by multiple positioners (inter-positioner measurement error)...
October 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28970983/double-row-suture-anchor-repair-of-posterolateral-corner-avulsion-fractures
#15
Brian B Gilmer
Posterolateral corner avulsion fractures are a rare variant of ligamentous knee injury primarily described in the skeletally immature population. Injury is often related to a direct varus moment placed on the knee during sporting activities. Various treatment strategies have been discussed ranging from nonoperative management, to excision of the bony fragment, to primary repair with screws or suture. The described technique is a means for achieving fixation of the bony avulsion using principles familiar to double-row transosseous equivalent rotator cuff repair...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28961634/seasonal-variation-in-slipped-capital-femoral-epiphysis-new-findings-using-a-national-children-s-hospital-database
#16
Randall T Loder, Chris A Schneble
BACKGROUND: Slipped capital femoral epiphysis (SCFE) demonstrates seasonal variation in certain latitudes but not others. Is such variation influenced by temperature differences, sunlight exposure and subsequent vitamin D production, or other climate variables? It was the purpose of this study to further investigate the seasonal variation in month of presentation for SCFE. METHODS: Data for this study originated from the Pediatric Hospital Information System for all children with a diagnosis of SCFE from January 1, 2004 through December 31, 2014...
September 28, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28934543/long-term-results-of-intercalary-endoprosthetic-short-segment-fixation-following-extended-diaphysectomy
#17
Nicholas S Tedesco, Alexandra L Van Horn, Robert M Henshaw
Intercalary endoprosthetic reconstruction following diaphyseal resection of osseous tumors offers functional advantages through preservation of native joints adjacent to the resected defect. Use of such implants is restricted by the amount of bone available for stem fixation adjacent to the defect. This study aimed to determine whether short osseous segment fixation with acceptable outcomes and complication rate can be reliably achieved with a customized intercalary endoprosthesis following extended diaphysectomy...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28925312/what-is-the-best-treatment-for-displaced-salter-harris-ii-physeal-fractures-of-the-distal-tibia
#18
Hoon Park, Dong Hoon Lee, Seung Hwan Han, Sungmin Kim, Nam Kyu Eom, Hyun Woo Kim
Background and purpose - The optimal treatment of displaced Salter-Harris (SH) II fractures of the distal tibia is controversial. We compared the outcomes of operative and nonoperative treatment of SH II distal tibial fractures with residual gap of >3 mm. Factors that may be associated with the incidence of premature physeal closure (PPC) were analyzed. Patients and methods - We retrospectively reviewed 95 patients who were treated for SH II distal tibial fractures with residual gap of >3 mm after closed reduction...
September 19, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28917547/growth-of-the-new-thumb-metacarpal-after-pollicization-for-thumb-hypoplasia
#19
Michael A Tonkin, Nathan D Trist, Dirk J van der Spuy, Albert Yoon, Harvinder P Singh, Richard D Lawson
PURPOSE: To investigate the radiographic length and width of the new thumb metacarpal in relation to the middle finger proximal phalanx; to assess the incidence of premature physeal closure of the new metacarpal; and to consider whether there is a relationship between growth characteristics and the presence of union or nonunion of the new trapezium to the retained index finger metacarpal base. MATERIALS AND METHODS: Forty pollicizations were assessed with preoperative or immediate postoperative radiographs and follow-up radiographs to establish the growth characteristics of the new thumb metacarpal...
September 14, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28878540/bare-medial-epicondyle-physeal-fracture-of-the-humerus-a-case-report
#20
Takashi Oda, Kenji Watanabe
We identified an unusual case of the medial epiondyle physeal fracture, which has been caused by a direct blow, accompanied with complete stripping of soft tissue. Surgery was performed for open reduction and internal fixation of the medial epicondyle and reattachment of the anterior oblique bundle of medial collateral ligament and flexor muscle origin. Six months after the surgery, strength of wrist flexion and forearm pronation, range of motion and valgus stability of the left elbow had recovered. One year after the injury, radiographs showed atrophy and sclerosis of the medial epicondylar apophysis...
August 2017: Journal of Clinical Orthopaedics and Trauma
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