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https://www.readbyqxmd.com/read/28097118/femur-neck-fracture-in-a-young-marfan-syndrome-patient
#1
Yong-Uk Kwon, Gyu-Min Kong, Jun-Ho Park
Marfan syndrome is an autosomal dominant and could decrease bone mineral density. So patients with Marfan syndrome could vulnerable to trauma in old ages. We present the first report, to the best of our knowledge, of a rare fracture of the femoral neck with a minor traumatic history in a juvenile Marfan syndrome patient whose physis is still open. Although the patient is young, her bone mineral density was low and the geometry of femur is changed like old ages. The femur neck fracture in children is very rare and only caused by high energy trauma, we concluded that the Marfan syndrome makes the bone weaker in young age and preventative medications to avoid fractures in younger Marfan syndrome patients are necessary in early ages...
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28076751/salter-harris-type-iv-fracture-of-the-proximal-phalanx-of-the-thumb-with-rotation-of-the-epiphysis-outcome-10-years-following-open-reduction-and-k-wire-fixation
#2
Mohammad M Al-Qattan
INTRODUCTION: Salter-Harris type IV fracture of the proximal phalanx with 90° rotation of the epiphysis is very rare. We report on a case of Salter-Harris type IV fracture of the proximal phalanx of the thumb with rotation of the epiphysis and document the outcome 10 years after surgery. PRESENTATION OF CASE: A 5-year old boy presented with Salter-Harris type IV fracture of the thumb with 90° rotation of the epiphysis. Open reduction and K-wire fixation was done...
December 27, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28058484/hoverboards-spectrum-of-injury-and-association-with-an-uncommon-fracture
#3
Andrew H Schapiro, Neil U Lall, Christopher G Anton, Andrew T Trout
BACKGROUND: Self-balancing electric scooters, commonly known as hoverboards, are a new and popular consumer item with recognized fall hazards. The spectrum of injuries associated with hoverboard use has not been studied. OBJECTIVE: The purpose of this study is to determine the spectrum of radiologically apparent injuries associated with hoverboard use. MATERIALS AND METHODS: We retrospectively reviewed all imaging studies interpreted at our institution for hoverboard-related injuries during an 8-month period...
January 6, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28051829/apophyseal-and-epiphyseal-knee-injuries-in-the-adolescent-athlete
#4
P Persiani, F M Ranaldi, A Formica, M Mariani, O Mazza, M Crostelli, C Villani
OBJECTIVES: In the context of pediatric sports injuries, the epiphyseal and apophyseal knee fractures represent rather peculiar lesions. The most frequently involved anatomical area is the knee. The peculiar function of the physis and the need to preserve their integrity, makes choosing what treatment methods to employ very important. Objective of this study is to assess the kind and the effectiveness of the most suitable treatment in the apophyseal and epiphyseal knee lesions occurring in the adolescents...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28050457/evaluation-of-clinical-outcomes-of-management-of-paediatric-bone-forearm-fractures-using-titanium-elastic-nailing-system-a-prospective-study-of-50-cases
#5
Rajesh Kapila, Rakesh Sharma, Ankush Chugh, Mahesh Goyal
INTRODUCTION: Forearm fractures are common injuries in children. In older children, there management is difficult due to increased chances of re-displacement after closed reduction. AIM: The aim of this prospective study was to evaluate the clinical outcome of managing paediatric forearm fractures using Titanium Elastic Nailing System (TENS). MATERIALS AND METHODS: A total of 50 patients in the age group 6 to 14 years with fractures in both bones of forearm were managed by internal fixation using TENS and prospective follow-up were done for six months...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28041741/is-there-a-correlation-between-the-change-in-the-interscrew-angle-of-the-eight-plate-and-the-delta-joint-orientation-angles
#6
Salih Marangoz, Kadir Buyukdogan, Sevilay Karahan
OBJECTIVES: It is known that the screws of the eight-plate hemiepiphysiodesis construct diverge as growth occurs through the physis. Our objective was to investigate whether there is a correlation between the amount of change of the joint orientation angle (JOA) and that of the interscrew angle (ISA) of the eight-plate hemiepiphysiodesis construct before and after correction. PATIENTS AND METHODS: After the institutional review board approval, medical charts and X-rays of all patients operated for either genu valgum or genu varum with eight-plate hemiepiphysiodesis were analyzed retrospectively...
December 29, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28031496/arthroscopic-transphyseal-anterior-cruciate-ligament-reconstruction-in-adolescent-athletes
#7
Luca Dei Giudici, Roberto Fabbrini, Luca Garro, Serena Arima, Antonio Gigante, Agostino Tucciarone
PURPOSE: To evaluate the 5-year outcome of arthroscopic transphyseal anterior cruciate ligament (ACL) reconstruction in 19 adolescent athletes. METHODS: 14 male and 5 female adolescent athletes aged 12 to 16 (mean, 13.9) years with Tanner stage 2 or 3 open physes underwent arthroscopic transphyseal ACL reconstruction by a single surgeon and were followed up for 5 years. Patients were evaluated using the numerical rating score (NRS) for pain, knee osteoarthritis outcome score (KOOS), International Knee Documentation Committee (IKDC) score, Tegner Activity Scale, and Lysholm Score, as well as the leg length discrepancy, femorotibial alignment, varus or valgus deformities, active and passive knee range of motion...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28027146/gradual-deformity-correction-in-blount-disease
#8
Stephanie W Mayer, Elizabeth W Hubbard, Dan Sun, Robert K Lark, Robert D Fitch
BACKGROUND: Blount disease is a disorder of the posteromedial proximal tibial physis which causes a progressive varus, procurvatum, and internal rotation deformity of the tibia. Untreated, it can cause significant limb malalignment. The goal of this study is to evaluate the results of correction of Blount disease using types of external fixation. METHODS: We conducted a retrospective review of 41 patients (51 limbs) who underwent correction of Blount disease with an Ilizarov external fixator or a Taylor spatial frame (TSF) by a single surgeon...
December 23, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28010745/optical-nose-based-on-porous-silicon-photonic-crystal-infiltrated-with-ionic-liquids
#9
Haijuan Zhang, Leimiao Lin, Dong Liu, Qiaofen Chen, Jianmin Wu
A photonic-nose for the detection and discrimination of volatile organic compounds (VOCs) was constructed. Each sensing element on the photonic sensor array was formed by infiltrating a specific type of ionic liquid (IL) into the pore channel of a patterned porous silicon (PSi) chip. Upon exposure to VOC, the density of IL dramatically decreased due to the nano-confinement effect. As a result, the IL located in pore channel expanded its volume and protrude out of the pore channel, leading to the formation of microdroplets on the PSi surface...
February 8, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28009801/classification-of-cruciate-ligament-dysplasia-and-the-severity-of-congenital-fibular-deficiency
#10
Janet L Walker, Todd A Milbrandt, Henry J Iwinski, Vishwas R Talwalkar
BACKGROUND: Dysplasia of the cruciate ligaments has been found in many patients with congenital fibular deficiency. A recent classification system has shown that radiographic tibial spine changes can predict the hypoplasia and aplasia of the cruciate ligaments. We used this radiographic classification to determine the frequency of these abnormalities and how they correlate with the severity of fibular deficiency and lateral femoral condylar hypoplasia. METHODS: Using a hospital database search for fibular deficiency, 99 patients ≥6 years with unilateral fibular deficiency were identified...
December 22, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28005495/growth-plate-lesions-of-fattening-bulls
#11
M Levi, K E Dittmer, A Gentile, A Beltrame, M Bolcato, M Morgante, E Fiore, C Benazzi
Lameness related to growth plate lesions is an important problem in the beef industry. This article describes the macroscopic and microscopic lesions in the distal metatarsal physis of bulls from an association of farmers in northeastern Italy. The metatarsal bones of 62 bulls (12 with severe lameness and 50 without lameness), average age 16.44 ± 1.72 months, were examined at the abattoir. The animals came from the same geographic area and shared intensive husbandry practices and a diet based on maize starch...
January 1, 2016: Veterinary Pathology
https://www.readbyqxmd.com/read/28005409/safe-drilling-paths-in-the-distal-femoral-epiphysis-for-pediatric-medial-patellofemoral-ligament-reconstruction
#12
Cynthia V Nguyen, Lutul D Farrow, Raymond W Liu, Allison Gilmore
BACKGROUND: Anatomic surgical reconstruction of the medial patellofemoral ligament (MPFL) has been popularized for the treatment of recurrent patellar instability in the skeletally immature population. Previous anatomic studies have found that the femoral attachment point of the MPFL is very close to the distal femoral physis. PURPOSE: To establish the safe angles for drilling the distal femoral epiphysis for MPFL graft placement. STUDY DESIGN: Descriptive laboratory study...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27943670/effective-and-selective-trapping-of-volatile-organic-sulfur-derivatives-by-montmorillonite-intercalated-with-a-%C3%AE-oxo-fe-iii-phenanthroline-complex
#13
Fabrizio Bernini, Elena Castellini, Daniele Malferrari, German Rafael Castro, Claro Ignacio Sainz Díaz, Maria Franca Brigatti, Marco Borsari
The μ-oxo Fe(III)-phenanthroline complex [(OH2)3(Phen)FeOFe(Phen) (OH2)3](+4) intercalated in montmorillonite provides a stable hybrid material. In this study, the ability and efficiency of this material to immobilize thiols in gas phase, acting as a trap at the solid-gas interface, were investigated. Aliphatic thiols containing both hydrophilic and hydrophobic end groups were chosen to test the selectivity of this gas trap. DR-UV-vis, IR, elemental analysis, thermal analysis and evolved gas mass spectrometry, X-ray powder diffraction, and X-ray absorption spectroscopy techniques were employed to characterize the hybrid material before and after thiol exposure and to provide information on the entrapping process...
December 21, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27941532/modification-of-the-alignment-between-the-tibial-tubercle-and-the-trochlear-groove-induced-by-temporary-hemiepiphysiodesis-for-lower-extremity-angular-deformities-a-trigonometric-analysis
#14
Dimitri Ceroni, Amira Dhouib, Laura Merlini, Georgios Kampouroglou
: This study aimed to predict the modification of the alignment between the tibial tubercle (TT) and the trochlear groove (TG) that occurs during femoral or tibial hemiepiphysiodesis. MRI scans of 541 knees were retrospectively reviewed to determine the distances between the cranial insertion of the patellar tendon on the TT and the femoral physis (FP)/tibial physis (TP). Thereafter, we developed a trigonometric formula to calculate the predicted change of the TT-TG distance that occurs during hemiepiphysiodesis around the knee using both the planned angular correction as well as the length between the physis (both distal femoral and proximal tibial) and the insertion of the patellar tendon of the TT...
December 9, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27941042/apophyseal-injuries-in-children-s-and-youth-sports
#15
REVIEW
Umile Giuseppe Longo, Mauro Ciuffreda, Joel Locher, Nicola Maffulli, Vincenzo Denaro
INTRODUCTION: The authors reviewed the current English literature regarding apophyseal injuries affecting young athletes, to highlight the frequency and characteristics of these injuries, to clarify risk factors and specific prevention measures, and to identify future research objectives. SOURCES OF DATA: The authors performed a comprehensive search of the medical literature, using the Medline database, including all English articles. Various combinations of the Keywords 'injury', 'sports', 'athletic injuries', 'avulsion fractures', 'physeal', 'physis', 'apophysis', 'apophysitis', 'growth plate' were used...
December 2016: British Medical Bulletin
https://www.readbyqxmd.com/read/27936605/hydrodynamic-analysis-resolves-the-pharmaceutically-relevant-absolute-molar-mass-and-solution-properties-of-synthetic-poly-ethylene-glycol-s-created-by-varying-initiation-sites
#16
Ivo Nischang, Igor Perevyazko, Tobias Majdanski, Jürgen Vitz, Grit Festag, Ulrich S Schubert
The solution behavior originating from molecular characteristics of synthetic macromolecules plays a pivotal role in many areas, in particular the life sciences. This situation necessitates the use of complementary hydrodynamic analytical methods as the only means for a complete structural understanding of any macromolecule in solution. To this end, we present a combined hydrodynamic approach for studying in-house prepared, low dispersity poly(ethylene glycols)s (PEGs), also known as poly(ethylene oxide)s (PEOs) depending on the classification used, synthesized from varying initiation sites by the living anionic ring opening polymerization...
December 22, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27914027/the-role-of-guided-growth-as-it-relates-to-limb-lengthening
#17
REVIEW
Peter M Stevens
For decades, the classic indication for limb lengthening has been reserved for anisomelia that was expected to reach or exceed 5 cm at maturity. Epiphysiodesis was reserved for discrepancies in the 2-5 cm range. With the increasing sophistication of fixators, including rail, hexapod, and hybrid, complex deformities may be corrected simultaneously while moderate to extreme lengthening is achieved. More recently, iterations of telescoping intramedullary rods have further strengthened our armamentarium. Meanwhile, permanent epiphysiodesis techniques, both open and percutaneous, have yielded to more versatile and reversible tethering of one (angle) or both (length) sides of a physis...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27889923/normal-radiological-unossified-hip-joint-space-and-femoral-head-size-development-during-growth-in-675-children-and-adolescents
#18
Veronika Wegener, Gabriele Jorysz, Andreas Arnoldi, Sandra Utzschneider, Bernd Wegener, Volkmar Jansson, Bernhard Heimkes
Evaluation of hip joint space width during child growth is important to aid in the early diagnosis of hip pathology in children. We established reference values for hip joint space and femoral head size for each age. Hip joint space development during growth was retrospectively investigated medial and cranial in 1350 hip joints of children using standard anteroposterior supine plain pelvic radiographs. Maximum capital femoral epiphysis diameter and femoral radii were further more investigated. Hip joint space values show a slow decline during growth...
November 7, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27845969/closing-the-growth-plate-a-review-of-indications-and-surgical-options
#19
Joseph J Ruzbarsky, Christine Goodbody, Emily Dodwell
PURPOSE OF REVIEW: The purpose is to review the indications for epiphysiodesis in the treatment of pediatric limb length discrepancies; provide an update on current diagnostic, planning, and surgical techniques; and to introduce possible future alternatives. RECENT FINDINGS: Retrospective comparative studies have failed to demonstrate superiority of one epiphysiodesis technique over the others. EOS low-dose biplanar X-ray and smartphone growth prediction applications are improving our ability to diagnose and plan treatment for leg length discrepancy...
November 14, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27798791/anterolateral-ligament-of-the-knee-shows-variable-anatomy-in-pediatric-specimens
#20
Kevin G Shea, Matthew D Milewski, Peter C Cannamela, Theodore J Ganley, Peter D Fabricant, Elizabeth B Terhune, Alexandra C Styhl, Allen F Anderson, John D Polousky
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction failure rates are highest in youth athletes. The role of the anterolateral ligament in rotational knee stability is of increasing interest, and several centers are exploring combined ACL and anterolateral ligament reconstruction for these young patients. Literature on the anterolateral ligament of the knee is sparse in regard to the pediatric population. A single study on specimens younger than age 5 years demonstrated the presence of the anterolateral ligament in only one of eight specimens; therefore, much about the prevalence and anatomy of the anterolateral ligament in pediatric specimens remains unknown...
October 31, 2016: Clinical Orthopaedics and related Research
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