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https://www.readbyqxmd.com/read/28101589/-intramedullary-nailing-in-diaphyseal-clavicle-fractures-using-minimally-invasive-percutaneous-reduction
#1
M Müller, T Freude, U Stöckle, T M Kraus
OBJECTIVE: Closed reduction and intramedullary nailing is common in diaphyseal clavicle fractures. The aim of this report is to demonstrate a surgical method with minimally invasive percutaneous reduction in cases where closed reduction fails. The procedure is associated with good cosmetic results. INDICATIONS: Percutaneous reduction using two reduction forceps enables intramedullary nailing without an open procedure. CONTRAINDICATIONS: Open, multifragmented or non-dislocated fractures, oblique fractures due to postoperative dislocation or shortening risk, fracture having potential to become compound fractures, neurovascular complications, pseudoarthroses...
January 18, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28051824/atypical-femoral-fracture-as-first-sign-of-non-hodgkin-lymphoma-case-report-with-a-brief-review-of-the-literature
#2
G Saviola, P Prometti, P R Ferrari, L G Dalle Carbonare
ABSTRACT: Atypical subtrochanteric and diaphyseal femoral fractures (AFF) have been suggested to be associated with the use of bisphosphonates (BPs), but the role of these drugs is still under debate. A 64-year old female, never treated with BPs was admitted to our Rehabilitation Institute because of a recent right AFF. The patient began suffering from low back pain radiating to the groin and to the anterior regions of the right thigh and leg, A nuclear magnetic resonance (NMR) of the lumbar spine showed disc protrusions at the L3-L4 and L5-S1 levels with impingement of the spinal nerve root...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28042220/internal-carotid-artery-fibromuscular-dysplasia-in-a-child-incidental-postmortem-finding-after-head-injury
#3
Arulselvi Subramanian, Garima Aggarwal, Deepak Agarwal, Sanjeev Lalwani
Fibromuscular dysplasia (FMD) is a rare, segmental, nonatheromatous, and noninflammatory arterial disease of unknown etiology. It predominantly involves renal artery (60-75%) followed by extracranial part of the internal carotid artery and vertebral arteries (25-30%). The disease typically affects middle-aged women and involves intermediate-sized arteries throughout the body. There are rare case reports of extracranial FMD compounding a trauma case. A patient was brought to trauma center emergency with a history of fall from height...
January 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28031644/ineffective-treatment-of-low-molecular-weight-heparin-in-obese-subject-with-traumatic-fractures-of-the-leg
#4
Egidio Imbalzano, Michele Creazzo, Giovanni Trapani, Giuseppina Lizio, Antonino Saitta
American College of Chest Physicians Evidence-Based Clinical Practice Guidelines, 9th edition, 2012, suggest no prophylaxis rather than pharmacological thromboprophylaxis in management of venous thromboembolism (VTE) risk of isolated lower leg injuries distal to knee requiring leg immobilization. Low-molecular-weight heparin (LMWH) is a class of drugs commonly used as antithrombotics in surgery and in case of prolonged bed rest and hypomobility. A 35-year-old obese man with no history of health disease (height, 170 cm; weight, 95 kg; and body mass index, 32...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27942920/traumatic-elevated-vertex-fracture-with-delayed-increase-in-intracranial-pressure-a-rare-case
#5
Uday Singh Raswan, Sarbjit Singh Chhiber, Altaf U Ramzan
INTRODUCTION: Skull fractures are traditionally classified into linear, comminuted or depressed which can either be simple or compound. A skull fracture where the bone fragment is elevated above the intact skull known as elevated skull fracture has been reported infrequently in literature. CASE PRESENTATION: We report a unique case of simple elevated vertex fracture in a 3-month-old child where the vertex had separated from the calvarium and was elevated above the level of outer table in a patient with delayed neurological deterioration...
December 9, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27942778/novel-mutations-in-the-sec24d-gene-in-chinese-families-with-autosomal-recessive-osteogenesis-imperfecta
#6
H Zhang, H Yue, C Wang, J Gu, J He, W Fu, W Hu, Z Zhang
: We sought to characterize the phenotypes and identify the SEC24D gene mutations associated with Chinese families of osteogenesis imperfecta (OI). Using whole-exome sequencing, we discovered two novel compound SEC24D mutations of OI patients. Our study extended both the phenotypic and the genotype of the OI patients with SEC24D mutations. INTRODUCTION: To date, only three compound heterozygous mutations in the SEC24D gene have been found to cause recessively inherited forms of OI...
December 10, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27939817/late-onset-hereditary-hypophosphatemic-rickets-with-hypercalciuria-hhrh-due-to-mutation-of-slc34a3-npt2c
#7
Gauri Dhir, Dong Li, Hakon Hakonarson, Michael A Levine
OBJECTIVE: To identify a genetic basis for markedly reduced bone density and multiple fractures in an adult patient with hypophosphatemia and hypercalciuria. SUBJECTS: A 54-year-old Vietnamese man, his unaffected two daughters and wife. METHODS: We performed biochemical studies and sequenced the SLC34A3 gene using genomic DNA from peripheral blood mononuclear cells. RESULTS: Biochemical evaluation of the proband revealed hypophosphatemia with increased renal phosphate wasting, hypercalciuria, low serum parathyroid hormone (PTH) and an elevated serum 1,25(OH)2D level...
December 7, 2016: Bone
https://www.readbyqxmd.com/read/27929693/use-of-recycled-external-fixators-in-management-of-compound-injuries
#8
Swagat Mahapatra, Nandakumar Rengarajan
BACKGROUND: Compound fractures form a bulk of Orthopaedic Trauma cases in a developing country like India. External Fixation devices are the mainstays of treatment of these open fractures. They are generally used as a one use disposable device and add a great burden to the health care costs, especially in a developing country. In our study we evaluated the efficacy and complication rate of recycled external fixators with that of new external fixators. MATERIALS AND METHODS: This was a prospective randomised interventional study conducted in a tertiary care teaching hospital of a developing country...
January 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/27927507/sacral-alar-iliac-fixation-in-pediatric-deformity-radiographic-outcomes-and-complications
#9
Amit Jain, Khaled M Kebaish, Paul D Sponseller
STUDY DESIGN: Retrospective case series. OBJECTIVES: To assess the radiographic outcomes and complications of sacral-alar-iliac (SAI) fixation in children. SUMMARY OF BACKGROUND DATA: Pelvic fixation in children undergoing spinal deformity surgery can be challenging because of complex anatomy, compound biomechanical forces at the lumbosacral junction, and poor bone quality. METHODS: Radiographic and clinical records of 80 consecutive patients aged 18 years or younger who underwent posterior spinal fusion surgery with SAI fixation by one pediatric orthopedic surgeon and who had a minimum 2 years of follow-up (mean follow-up: 3...
May 2016: Spine Deformity
https://www.readbyqxmd.com/read/27911415/extraction-of-plant-based-capsules-for-microencapsulation-applications
#10
Michael G Potroz, Raghavendra C Mundargi, Jae Hyeon Park, Ee-Lin Tan, Nam-Joon Cho
Microcapsules derived from plant-based spores or pollen provide a robust platform for a diverse range of microencapsulation applications. Sporopollenin exine capsules (SECs) are obtained when spores or pollen are processed so as to remove the internal sporoplasmic contents. The resulting hollow microcapsules exhibit a high degree of micromeritic uniformity and retain intricate microstructural features related to the particular plant species. Herein, we demonstrate a streamlined process for the production of SECs from Lycopodium clavatum spores and for the loading of hydrophilic compounds into these SECs...
November 9, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27901621/perfluorooctanoic-acid-induces-mitochondrial-dysfunction-in-mc3t3-e1-osteoblast-cells
#11
Eun Mi Choi, Kwang Sik Suh, Sang Youl Rhee, Seungjoon Oh, Jeong-Taek Woo, Sung Woon Kim, Young Seol Kim, Youngmi Kim Pak, Suk Chon
Perfluorooctanoic acid (PFOA), a stable organic perfluorinated compound, is an emerging persistent organic pollutant, found widely in human and wildlife populations. Recent evidence suggests that exposure to environmental toxicants can be associated with higher risks of osteoporosis and fractures. We studied the cellular toxicology of PFOA in MC3T3-E1osteoblast cells. To examine the effect of PFOA, we measured cell viability, reactive oxygen species (ROS), mitochondrial superoxide, and mitochondrial parameters including adenosine triphosphate (ATP) level, mitochondrial membrane potential (MMP), cardiolipin content, and cytochrome c release in MC3T3-E1 cells...
November 30, 2016: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/27871407/the-role-of-orthobiologics-in-fracture-healing-and-arthrodesis
#12
REVIEW
Sheldon S Lin, Michael G Yeranosian
Nonunion after tibial shaft fracture and hindfoot arthrodesis remains a major problem. Known risk factors include advanced age, immunosuppression, smoking, and diabetes. Several factors must be considered in the fracture healing process. This review evaluates the efficacy of orthobiologics in improving union rates after fracture or arthrodesis. Use of compounds have shown increased cellular proliferation experimentally. Percutaneous autologous bone marrow has shown increased cellular proliferation. Matrix supplementation has shown significant improvements in bone healing...
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27871226/functional-validation-of-novel-compound-heterozygous-variants-in-b3gat3-resulting-in-severe-osteopenia-and-fractures-expanding-the-disease-phenotype
#13
Florian Job, Shuji Mizumoto, Laurie Smith, Natario Couser, Ashley Brazil, Howard Saal, Melanie Patterson, Margaret I Gibson, Sarah Soden, Neil Miller, Isabelle Thiffault, Carol Saunders, Shuhei Yamada, Katrin Hoffmann, Kazuyuki Sugahara, Emily Farrow
BACKGROUND: A new disease class of syndromes, described as linkeropathies, which are derived from defects in the glycosaminoglycan-linker region as well as glycosaminoglycan-side chains of proteoglycans is increasingly being recognized as a cause of human disease. Proteoglycans are an essential component of the extracellular matrix. Defects in the enzymatic process of proteoglycan synthesis broadly occur due to the incorrect addition of side chains. Previously, homozygous missense variants within the B3GAT3 gene encoding beta 1,3 glucuronyltransferase 3(GlcAT-I) responsible for the biosynthesis of glycosaminoglycans have been described in 7 individuals...
November 21, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27867137/minimally-invasive-internal-fixation-of-distal-femur-fractures
#14
REVIEW
Guy Piétu, Mathieu Ehlinger
Fractures of the distal femur remain a daunting challenge. Since 1970, operative treatment has been recommended. Unfortunately it is fraught with complications, and techniques have been developed to limit incidence of non-union, infection and stiffness. A soft-tissue friendly approach is the key point, with minimally invasive surgery as the ultimate goal: its biological and anatomical advantages have; been demonstrated, but clinical studies have been less convincing, being based on historical series. At present, retrograde nailing and minimally invasive percutaneous plate osteosynthesis (ideally by locking plate) are the two main techniques...
November 17, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27856330/metformin-suppresses-adipogenesis-through-both-amp-activated-protein-kinase-ampk-dependent-and-ampk-independent-mechanisms
#15
Suet Ching Chen, Rebecca Brooks, Jessica Houskeeper, Shaun K Bremner, Julia Dunlop, Benoit Viollet, Pamela J Logan, Ian P Salt, S Faisal Ahmed, Stephen J Yarwood
People with Type 2 diabetes mellitus (T2DM) have reduced bone mineral density and an increased risk of fractures due to altered mesenchymal stem cell (MSC) differentiation in the bone marrow. This leads to a shift in the balance of differentiation away from bone formation (osteogenesis) in favour of fat cell development (adipogenesis). The commonly used anti-diabetic drug, metformin, activates the osteogenic transcription factor Runt-related transcription factor 2 (Runx2), which may suppress adipogenesis, leading to improved bone health...
January 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27845743/a-structure-identification-and-toxicity-assessment-of-the-degradation-products-of-aflatoxin-b%C3%A2-in-peanut-oil-under-uv-irradiation
#16
Jin Mao, Bing He, Liangxiao Zhang, Peiwu Li, Qi Zhang, Xiaoxia Ding, Wen Zhang
Aflatoxins, a group of extremely hazardous compounds because of their genotoxicity and carcinogenicity to human and animals, are commonly found in many tropical and subtropical regions. Ultraviolet (UV) irradiation is proven to be an effective method to reduce or detoxify aflatoxins. However, the degradation products of aflatoxins under UV irradiation and their safety or toxicity have not been clear in practical production such as edible oil industry. In this study, the degradation products of aflatoxin B₁ (AFB₁) in peanut oil were analyzed by Ultra Performance Liquid Chromatograph-Thermo Quadrupole Exactive Focus mass spectrometry/mass spectrometry (UPLC-TQEF-MS/MS)...
November 12, 2016: Toxins
https://www.readbyqxmd.com/read/27833693/e-cigarette-blast-injury-complex-facial-fractures-and-pneumocephalus
#17
Benjamin A Archambeau, Stephanie Young, Carol Lee, Troy Pennington, Christopher Vanderbeek, Dan Miulli, John Culhane, Michael Neeki
Electronic cigarettes (also known as e-cigarettes or e-cigs) are becoming a popular method of recreational nicotine use over recent years. The growth of new brands and devices has been outpacing the FDA's ability to regulate them. As a result, some of these devices fail without warning, most likely from malfunction of the lithium-ion batteries that are in close proximity to volatile compounds within the device. Failures have occurred during both use and storage of the devices or their components. The subsequent injuries from several of these events, including full thickness burns requiring grafting and blast injuries, have been observed at Arrowhead Regional Medical Center, a regional trauma and burn center in southern California...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27826127/effects-of-abaloparatide-sc-ba058-on-bone-histology-and-histomorphometry-the-active-phase-3-trial
#18
Carolina Moreira, Lorraine A Fitzpatrick, Yamei Wang, Robert R Recker
There are a number of effective treatments for osteoporosis but most are in the antiresorptive class of compounds. Abaloparatide-SC is a new osteoanabolic agent, which increased bone mineral density and lowered the risk of osteoporosis-related fractures in the phase 3 ACTIVE trial. The objective of this report is to describe the effects of abaloparatide-SC 80μg on bone histology and histomorphometry in iliac crest bone biopsies from this trial in which participants were randomized to receive blinded daily subcutaneous injections of placebo or abaloparatide-SC 80μg/d or open-label teriparatide 20μg/d for 18months...
November 5, 2016: Bone
https://www.readbyqxmd.com/read/27810549/technical-modifications-for-intraoral-quadrangular-le-fort-ii-osteotomy
#19
Clemens Klug, Julia Cede
PURPOSE: The intraoral quadrangular Le Fort II osteotomy (IQLFIIO) represents a reliable surgical method in cases of midfacial deficiency with good functional, esthetic, and stable long-term results. PATIENTS AND METHODS: In this technical note, we present 3 surgical modifications to previous reports: 1) inferior orbital rim osteotomy by angulated piezosurgical instruments, thereby avoiding the use of chisels in the orbital region; 2) osteosynthetic fixation only laterally at the zygomatic buttress with 2 L-shaped miniplates, thus avoiding paranasal osteosynthesis; and 3) advancement step camouflage in the lateral infraorbital region with a compound mass of autologous bone chips and fibrin glue with the intention to reduce bone block-associated side effects...
October 6, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27796462/novel-mutations-in-serpinf1-result-in-rare-osteogenesis-imperfecta-type-vi
#20
Jian-Yi Wang, Yi Liu, Li-Jie Song, Fang Lv, Xiao-Jie Xu, A San, Jian Wang, Huan-Ming Yang, Zi-Ying Yang, Yan Jiang, Ou Wang, Wei-Bo Xia, Xiao-Ping Xing, Mei Li
Osteogenesis imperfecta (OI) is a group of inherited disorders characterized by recurrent fragile fractures. Serpin peptidase inhibitor, clade F, member 1 (SERPINF1) is known to cause a distinct, extremely rare autosomal recessive form of type VI OI. Here we report, for the first time, the detection of SERPINF1 mutations in Chinese OI patients. We designed a novel targeted next-generation sequencing panel of OI-related genes to identify pathogenic mutations, which were confirmed with Sanger sequencing and by co-segregation analysis...
October 28, 2016: Calcified Tissue International
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