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https://www.readbyqxmd.com/read/28330797/flexible-intramedullary-nailing-for-treatment-of-proximal-humeral-and-humeral-shaft-fractures-in-children-a-retrospective-series-of-118-cases
#1
Zenon Pogorelić, Sanja Kadić, Klaudio Pjer Milunović, Irena Pintarić, Miro Jukić, Dubravko Furlan
BACKGROUND: The aim of this study was to analyze outcomes of treatment and complications in children treated with flexible intramedullary nailing (FIN) due to humeral fracture. HYPOTHESIS: The FIN for treatment of humeral fractures in children would allow an early functional and cast-free follow-up with a quick pain reduction and low complication rate. PATIENTS AND METHODS: From May 2002 until May 2016 case records of all children who underwent fixation with titanium intramedulary nails because of humeral fracture were retrospectively reviewed...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28261435/flexible-intramedullary-nailing-of-forearm-fractures-at-the-distal-metadiaphyseal-junction-in-adolescents
#2
Byung Sung Kim, Yong Sung Lee, Sung Yong Park, Jae Hwi Nho, Sun Geun Lee, Young Hwan Kim
BACKGROUND: The purpose of this study was to analyze the radiographic and functional outcomes of flexible intramedullary (IM) nailing in adolescent patients with forearm fractures at the diaphysis or at the metadiaphyseal junction (MDJ). METHODS: We retrospectively reviewed the results of 40 patients who underwent IM nailing for pediatric forearm fractures. Thirty males and 10 females were followed for an average of 16 months (range, 12 to 20 months). Their average age was 11 years (range, 10 to 16 years)...
March 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28180118/spontaneous-hemarthrosis-of-the-knee-late-complication-of-flexible-femur-nailing-a-case-report
#3
Indranil V Kushare, Matthew E Oetgen, Suzanne J Walters
We present a case report of acute spontaneous knee hemarthosis due to erosion of the nail through the knee joint capsule in a boy, seven months following retrograde flexible nailing for fractured femur. Careful positioning of the location of the insertion site of flexible nails and proper nail tip management are important to avoid this rare late complication.
September 2016: Trauma Monthly
https://www.readbyqxmd.com/read/28153480/radiographic-predictors-of-symptomatic-screw-removal-after-retrograde-femoral-nail-insertion
#4
Max Hamaker, Nathan N O'Hara, W Andrew Eglseder, Marcus F Sciadini, Jason W Nascone, Robert V O'Toole
INTRODUCTION: Removal of symptomatic implants is a common procedure performed by orthopaedic trauma surgeons. No guidance is available regarding which factors contribute to the likelihood of an implant becoming symptomatic. Our objective was to determine whether radiographic parameters associated with distal interlocks in retrograde femoral nails are associated with the rate of symptomatic screw removal. PATIENTS AND METHODS: We conducted a retrospective review at a Level I trauma center...
January 6, 2017: Injury
https://www.readbyqxmd.com/read/28150088/neurocognitive-findings-in-onychophagia-pathological-nail-biting
#5
Austin W Blum, Sarah A Redden, Jon E Grant
A notable number of people struggle to control the desire to bite their nails, resulting in impairment and distress. Understanding this behavior and the inability to control it has received little research attention. One possible mechanism to understand nail biting is through the use of neurocognitive assessments. Neurocognitive assessments of pathological nail biting, however, are lacking. This analysis assesses the clinical presentation and neurocognitive profile of adults with nail biting relative to participants without nail biting...
February 1, 2017: Psychiatric Quarterly
https://www.readbyqxmd.com/read/28141692/biomechanical-analysis-of-retrograde-flexible-intramedullary-nail-constructs-in-a-simulated-pediatric-femur-fracture-model
#6
Daniel C Bland, Sheena R Black, William A Pierce, Robert L Wimberly, Anthony I Riccio
BACKGROUND: Various flexible intramedullary nail (FIMN) constructs for pediatric femur fractures are described; however, no biomechanical study has compared stability of medial-lateral entry versus all-lateral entry retrograde nailing. Our purpose is to compare the rotational and bending stiffness of 2 different FIMN constructs and 2 different materials in a simulated pediatric femur fracture model. METHODS: Eighty adolescent-sized composite femurs were used to simulate transverse (40 femurs) and oblique (40 femurs) mid-diaphyseal fractures...
January 30, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28133813/the-hiv-1-envelope-glycoprotein-structure-nailing-down-a-moving-target
#7
REVIEW
Andrew B Ward, Ian A Wilson
Structure determination of the HIV-1 envelope glycoprotein (Env) presented a number of challenges, but several high-resolution structures have now become available. In 2013, cryo-EM and x-ray structures of soluble, cleaved SOSIP Env trimers from the clade A BG505 strain provided the first glimpses into the Env trimer fold as well as more the variable regions. A recent cryo-EM structure of a native full-length trimer without any stabilizing mutations had the same core structure, but revealed new insights and features...
January 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28056254/-interpretation-of-american-academy-of-orthopaedic-surgeons-clinical-practice-guideline-on-the-treatment-of-pediatric-diaphyseal-femur-fractures
#8
W Chen, J Li, Y Z Zhang
The original guideline on the Treatment of Pediatric Diaphyseal Femur Fractures (PDFF) was developed by the American Academy of Orthopaedic Surgeons (AAOS) in 2009, and the guideline was updated by AAOS in 2015. In this reissue, all recommendations in the original guideline identified as"inconclusive" were removed with seven recommendations reserved and without new recommendations added. The recommendations in the current guideline were listed as follows: (1) Children younger than 36 months with PDFF should be evaluated for child abuse...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28029668/titanium-elastic-nailing-system-tens-for-tibia-fractures-in-children-functional-outcomes-and-complications
#9
K M Kc, P Acharya, A Sigdel
INTRODUCTION: Closed reduction and cast application is still regarded as first line treatment for pediatric tibial fractures. Over the past few decades, management of pediatric tibial fractures has shifted more towards operative intervention because of quicker recovery, shorter rehabilitation period, less immobilization, lack of stiffness of adjoining joints, and less psychological impact to the children. Flexible intramedullary nails not only fulfill the above advantage but also maintain alignment and rotation...
October 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27826905/current-approaches-to-flexible-intramedullary-nailing-for-bone-lengthening-in-children
#10
REVIEW
Dmitry Popkov, Pierre Lascombes, Pierre Journeau, Arnold Popkov
Limb-length discrepancies and extremity deformities are among the most common non-traumatic orthopaedic conditions for which children are hospitalised. There is a need to develop new treatment options for lower-limb length discrepancy in order to ameliorate treatment outcomes, avoid or reduce rates of complication and provide early rehabilitation. The authors report on the basic principles, experimental and clinical data, advantages, problems and complications of a combined technique associating the Ilizarov method and flexible intramedullary nailing (FIN) in limb lengthening and deformity correction in children...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27824793/extensor-tendon-injury-associated-with-dorsal-entry-flexible-nailing-of-radial-shaft-fractures-in-children-a-report-of-5-new-cases-and-review-of-the-literature
#11
Hamadi A Murphy, Viral V Jain, Shital N Parikh, Eric J Wall, Roger Cornwall, Charles T Mehlman
BACKGROUND: Extensor pollicis longus (EPL) tendon injury following the dorsal approach to elastic stable intramedullary nailing (ESIN) of the radius has been reported in a growing number of cases in the literature. This study includes 5 new cases from our institution as well as a comprehensive review of previously reported cases from the literature. METHODS: We conducted a retrospective chart review of all patients undergoing ESIN between January 1, 2004 and December 31, 2013 at our institution...
November 7, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27803112/intermediate-filaments-structure-and-assembly
#12
REVIEW
Harald Herrmann, Ueli Aebi
Proteins of the intermediate filament (IF) supergene family are ubiquitous structural components that comprise, in a cell type-specific manner, the cytoskeleton proper in animal tissues. All IF proteins show a distinctly organized, extended α-helical conformation prone to form two-stranded coiled coils, which are the basic building blocks of these highly flexible, stress-resistant cytoskeletal filaments. IF proteins are highly charged, thus representing versatile polyampholytes with multiple functions. Taking vimentin, keratins, and the nuclear lamins as our prime examples, we present an overview of their molecular and structural parameters...
November 1, 2016: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/27580309/quantification-of-radiation-exposure-in-the-operating-theatre-during-management-of-common-fractures-of-the-upper-extremity-in-children
#13
J F Maempel, O D Stone, A W Murray
Introduction Surgical procedures to manage trauma to the wrist, forearm and elbow in children are very common. Image intensifiers are used routinely, yet studies/guidelines that quantify expected radiation exposure in such procedures are lacking. Methods Information on demographics, injury type, surgeon grade and dose area product (DAP) of radiation exposure per procedure was collected prospectively for 248 patients undergoing manipulation/fixation of injuries to the elbow, forearm or wrist at a paediatric hospital over 1 year...
September 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/27579811/stress-modulation-of-fracture-fixation-implants
#14
Michael J Beltran, Cory A Collinge, Michael J Gardner
Stress modulation is the concept of manipulating bridge plate variables to provide a flexible fixation construct that allows callus formation through uneventful secondary bone healing. Obtaining absolute stability through the anatomic reduction of all fracture fragments comes at the expense of fracture biology, whereas intramedullary nailing, which is more advantageous for diaphyseal fractures of the lower extremity, is technically demanding and often may not be possible when stabilizing many metaphyseal fractures...
October 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27524031/advanced-interlocking-systems-to-improve-heavy-load-bearing-characteristics-of-flexible-intramedullary-nailing
#15
Leopold Berger, Johannes Eichler, E Jonathan S Ryll, Stefan Fischerauer, Michael J Raschke, Andreas Kolbitsch, Christoph Castellani, Annelie-Martina Weinberg
Flexible intramedullary nailing (FIN) is a minimally invasive and widespread standard method for osteosynthesis of pediatric long bone fractures. In the case of unstable fractures of the lower extremity, interlocking systems need to be used to prevent axial shortening and subsequent perforation of the nail at its insertion site. In the present study, four different screw-fixed interlocking systems for FINs (Hofer TwinPlug with two 3-mm titanium interlocking screws, Hofer FixPlug with 3-mm titanium interlocking screw, Hofer Plug with 3...
November 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27459140/pediatric-diaphyseal-femur-fractures-submuscular-plating-compared-with-intramedullary-nailing
#16
COMPARATIVE STUDY
Sean A Sutphen, Juan D Mendoza, Andrew C Mundy, Jingzhen G Yang, Allan C Beebe, Walter P Samora, Kevin E Klingele
This study compared the radiographic and clinical outcomes of pediatric diaphyseal femur fractures treated by submuscular plating, flexible retrograde intramedullary nailing, or rigid antegrade intramedullary nailing with a trochanteric entry point in skeletally immature patients who were 8 years and older. A retrospective review was conducted of skeletally immature patients 8 years and older who were treated for femur fracture with submuscular plating, flexible intramedullary nailing, or rigid intramedullary nailing from 2001 to 2014 with a minimum 12-week follow-up...
November 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/27294706/a-meta-analysis-of-flexible-intramedullary-nailing-versus-external-fixation-for-pediatric-femoral-shaft-fractures
#17
Yong Cheng Guo, Guo Ming Feng, Guang Wei Xing, Jin Neng Yin, Bing Xia, Yan Zhao Dong, Xue Qiang Niu, Qianyi He, Pengfei Hu
To compare the difference in efficacy following flexible intramedullary nailing (FIN) and external fixation (EF) for pediatric femoral shaft fractures. A systematic search was performed on PubMed, Embase, Medline, and Cochrane library for relevant studies. We included controlled trials comparing complications between FIN and EF for pediatric femoral shaft fractures published before 25 November 2014. Modified Jadad scores were utilized to assess the methodological quality of the studies included. The meta-analysis was carried out using Stata 12...
September 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27231630/scalable-wide-field-optical-coherence-tomography-based-angiography-for-in-vivo-imaging-applications
#18
Jingjiang Xu, Wei Wei, Shaozhen Song, Xiaoli Qi, Ruikang K Wang
Recent advances in optical coherence tomography (OCT)-based angiography have demonstrated a variety of biomedical applications in the diagnosis and therapeutic monitoring of diseases with vascular involvement. While promising, its imaging field of view (FOV) is however still limited (typically less than 9 mm(2)), which somehow slows down its clinical acceptance. In this paper, we report a high-speed spectral-domain OCT operating at 1310 nm to enable wide FOV up to 750 mm(2). Using optical microangiography (OMAG) algorithm, we are able to map vascular networks within living biological tissues...
May 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27152902/flexible-intramedullary-nailing-of-pediatric-humeral-fractures-indications-techniques-and-tips
#19
Derek M Kelly
Most proximal and diaphyseal pediatric humeral fractures can be treated successfully by closed means; however, certain patient factors or fracture characteristics may make surgical stabilization with flexible intramedullary nails (FIN) a better choice. Common indications for FIN of pediatric humeral fractures include unstable proximal-third fractures in children nearing skeletal maturity, unstable distal metaphyseal-diaphyseal junction fractures, shaft fractures in polytraumatized patients or patients with ipsilateral both-bone forearm fractures (floating elbow), and prophylactic stabilization of benign diaphyseal bone cysts or surgical stabilization of pathologic fractures...
June 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27137905/flexible-intramedullary-nails-for-femur-fractures-in-pediatric-patients-heavier-than-100-pounds
#20
James Shaha, Jason M Cage, Sheena Black, Robert L Wimberly, Steven H Shaha, Anthony I Riccio
BACKGROUND: Flexible intramedullary nailing (FIMN) of femoral shaft fractures in children >100 pounds remains controversial. The purpose of this study is to assess the relationship between patient weight and alignment at radiographic union following Ender's FIMN of pediatric femoral shaft fractures. METHODS: An IRB approved, retrospective review of all patients who sustained a femoral shaft fracture treated by retrograde, stainless-steel Ender's FIMN was performed at a level 1 pediatric trauma center from 2005 to 2012...
April 30, 2016: Journal of Pediatric Orthopedics
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