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Skeletal trauma

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https://www.readbyqxmd.com/read/28530778/a-comparison-of-the-treatment-results-of-dpen-reduction-internal-fixation-and-intramedullary-nailing-in-adult-forearm-diaphyseal-fractures
#1
Ahmet Köse, Ali Aydın, Naci Ezirmik, Ömer Selim Yıldırım
BACKGROUND: We compared the union and functional results of intramedullary nailing and open reduction internal fixation treatment applied to adults with a forearm diaphysis fracture (fracture of the radius and/or ulna). METHODS: We retrospectively examined 90 patients with completed skeletal maturation who were surgically treated for a forearm diaphyseal fracture. Patients with a Monteggia Galeazzi and ipsilateral upper extremity fracture and those with an open epiphyseal line, Type 3 open fracture, pathological fracture, or brain trauma were excluded from the study...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28521914/the-face-of-conflict-significant-sharp-force-trauma-to-the-mid-facial-skeleton-in-an-individual-of-probable-16th-17th-century-date-excavated-from-byczyna-poland
#2
Agata Izabela Cieślik, Paweł Dąbrowski, Magdalena Anita Przysiężna-Pizarska
A variety of injuries have always been associated with violence, consequences of which people had to deal with. In this paper we present a complex of craniofacial and dental injuries resulted from sharp force trauma. The basis of our study was historical skeletal material excavated from archeological site in Byczyna (11th-17th century), Poland. An individual whose skeleton was exhumed from the grave No. 610 exhibited healed, oblique trauma of the left maxilla, damage to the crowns of right central and lateral incisors and concomitant luxation of the right maxillary central incisor...
June 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28521709/modulation-of-inflammatory-response-to-implanted-biomaterials-using-natural-compounds
#3
Maria Yanez, James Blanchette, Ehsan Jabbarzadeh
Tissue engineering offers a promising strategy to restore injuries resulting from trauma, infection, tumor resection, or other diseases. In spite of significant progress, the field faces a significant bottleneck; the critical need to understand and exploit the interdependencies of tissue healing, angiogenesis, and inflammation. Inherently, the balance of these interacting processes is affected by a number of injury site conditions that represent a departure from physiological environment, including reduced pH, increased concentration of free radicals, hypoglycemia, and hypoxia...
May 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28512793/5-azacytidine-mediated-hmsc-behaviour-on-electrospun-scaffolds-for-skeletal-muscle-regeneration
#4
Ines Fasolino, Vincenzo Guarino, Valentina Cirillo, Luigi Ambrosio
Incomplete regeneration after trauma or muscular dysfunction is a common problem in muscle replacement therapies. Recent approaches in tissue engineering allow for the replication of skeletal muscle structure and function in vitro and in vivo by molecular therapies and implantable scaffolds which properly address muscle cells towards myotube differentiation and maturation. Here, we investigate the in vitro response of human Mesenchymal Stem Cells (hMSC) on electrospun fibres made of Polycaprolactone (PCL) in the presence of 5-azacytidine (5-AZA) to evaluate how fibrous network may influence the therapeutic effect of drug during in vitro myogenesis...
May 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28511873/misdiagnosis-of-vertebral-fractures-on-local-radiographic-readings-of-the-multicentre-point-prevalence-of-osteoporosis-in-internal-medicine-study
#5
Daniele Diacinti, Claudio Vitali, Gualberto Gussoni, Daniela Pisani, Luigi Sinigaglia, Gerolamo Bianchi, Ranuccio Nuti, Luigi Gennari, Stefano Pederzoli, Maddalena Grazzini, Antonella Valerio, Antonino Mazzone, Carlo Nozzoli, Mauro Campanini, Carlina V Albanese
BACKGROUND: Osteoporotic vertebral fractures (VFs) are often misdiagnosed because asymptomatic and occurring in the absence of specific trauma. Further, diagnostic assessment of VFs may be suboptimal. AIM OF THE STUDY: To assess the misdiagnosis of vertebral fractures on local radiographic readings in the cohort of patients enrolled in the POINT study. METHODS: We enrolled hospitalised patients, admitted for any cause to the Internal Medicine Units of 37 hospitals participating to the cross-sectional previously published POINT study...
May 13, 2017: Bone
https://www.readbyqxmd.com/read/28507959/intramuscular-arteriovenous-hemangioma-of-thigh-a-case-report-and-review-of-literature
#6
Sanjeev Patnaik, Praveen Kumar, Biswaranjan Nayak, Nachiketa Mohapatra
INTRODUCTION: Skeletal muscle hemangiomas are uncommon soft tissue tumors; more than 90% are misdiagnosed initially. They present as chronic pain and swelling in a muscle with or without a history of trauma. Magnetic resonance imaging is the investigation of choice. Many treatment modalities for the symptomatic hemangiomas are available of which surgical excision is the most preferred. CASE REPORT: We present an unusual case of pain, swelling, and restriction of movements in the right knee following an episode of trauma in an 8-year-old boy diagnosed to have intramuscular arteriovenous hemangioma in the vastusmedialis and vastusintermedius for which he was treated by surgical excision and followed for 2 years and found to have no recurrence...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28505080/first-insights-into-human-fingertip-regeneration-by-echo-doppler-imaging-and-wound-microenvironment-assessment
#7
Paris Jafari, Camillo Muller, Anthony Grognuz, Lee Ann Applegate, Wassim Raffoul, Pietro G di Summa, Sébastien Durand
Fingertip response to trauma represents a fascinating example of tissue regeneration. Regeneration derives from proliferative mesenchymal cells (blastema) that subsequently differentiate into soft and skeletal tissues. Clinically, conservative treatment of the amputated fingertip under occlusive dressing can shift the response to tissue loss from a wound repair process towards regeneration. When analyzing by Immunoassay the wound exudate from occlusive dressings, the concentrations of brain-derived neurotrophic factor (BDNF) and leukemia inhibitory factor (LIF) were higher in fingertip exudates than in burn wounds (used as controls for wound repair versus regeneration)...
May 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28481811/trochanteric-entry-for-femoral-lengthening-nails-in-children-is-it-safe
#8
Ahmed I Hammouda, Julio J Jauregui, Martin G Gesheff, Shawn C Standard, John E Herzenberg
BACKGROUND: Antegrade intramedullary (IM) nailing for skeletally immature femur fractures can damage the capital femoral epiphysis blood supply, leading to avascular necrosis (AVN) of the femoral head. Reported AVN rates are 2% for piriformis entry and 1.4% for trochanteric entry. None of previous reports described IM lengthening nails for limb lengthening procedures. We have used self-lengthening telescopic nails with a proximal Herzog bend and standard trochanteric entry for femoral lengthening in children...
June 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28480105/conservative-management-of-craniovertebral-junction-injuries-still-a-good-option
#9
Humam Tanki, Abrar A Wani, Altaf U Ramzan, Nayl K Malik, Sarbjit S Chhibber, Bashir A Dar, Sajad Arif, Zulfiqar Ali, M Masood Laherwal
BACKGROUND: Injuries to the craniovertebral junction (CVJ) are not uncommon, and are among the few skeletal injuries that carry a high mortality rate. Successful management of these injuries depends on familiarity with the normal anatomic relationships of this region, as well as prudent decision making regarding surgical versus conservative management alternatives. METHODS: The purpose of this study was to analyze the indications for conservative treatment of CVJ trauma and to analyze the outcomes...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28475764/the-chaperone-activity-of-4pba-ameliorates-the-skeletal-phenotype-of-chihuahua-a-zebrafish-model-for-dominant-osteogenesis-imperfecta
#10
Roberta Gioia, Francesca Tonelli, Ilaria Ceppi, Marco Biggiogera, Sergey Leikin, Shannon Fisher, Elena Tenedini, Timur A Yorgan, Thorsten Schinke, Kun Tian, Jean-Marc Schwartz, Fabiana Forte, Raimund Wagener, Simona Villani, Antonio Rossi, Antonella Forlino
Classical osteogenesis imperfecta (OI) is a bone disease caused by type I collagen mutations and characterized by bone fragility, frequent fractures in absence of trauma and growth deficiency. No definitive cure is available for OI and to develop novel drug therapies, taking advantage of a repositioning strategy, the small teleost zebrafish (Danio rerio) is a particularly appealing model. Its small size, high proliferative rate, embryo transparency and small amount of drug required make zebrafish the model of choice for drug screening studies, when a valid disease model is available...
May 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28473090/acr-appropriateness-criteria-%C3%A2-suspected-physical-abuse-child
#11
Sandra L Wootton-Gorges, Bruno P Soares, Adina L Alazraki, Sudha A Anupindi, Jeffrey P Blount, Timothy N Booth, Molly E Dempsey, Richard A Falcone, Laura L Hayes, Abhaya V Kulkarni, Sonia Partap, Cynthia K Rigsby, Maura E Ryan, Nabile M Safdar, Andrew T Trout, Roger F Widmann, Boaz K Karmazyn, Susan Palasis
The youngest children, particularly in the first year of life, are the most vulnerable to physical abuse. Skeletal survey is the universal screening examination in children 24 months of age and younger. Fractures occur in over half of abused children. Rib fractures may be the only abnormality in about 30%. A repeat limited skeletal survey after 2 weeks can detect additional fractures and can provide fracture dating information. The type and extent of additional imaging for pediatric patients being evaluated for suspected physical abuse depends on the age of the child, the presence of neurologic signs and symptoms, evidence of thoracic or abdominopelvic injuries, and social considerations...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28464294/skeletal-indicators-of-shark-feeding-on-human-remains-evidence-from-florida-forensic-anthropology-cases
#12
Michala K Stock, Allysha P Winburn, George H Burgess
This research examines a series of six Florida forensic anthropology cases that exhibit taphonomic evidence of marine deposition and shark-feeding activities. In each case, we analyzed patterns of trauma/damage on the skeletal remains (e.g., sharp-force bone gouges and punctures) and possible mechanisms by which they were inflicted during shark predation/scavenging. In some cases, shark teeth were embedded in the remains; in the absence of this evidence, we measured interdental distance from defects in the bone to estimate shark body length, as well as to draw inferences about the potential species responsible...
May 2, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28458848/delayed-leg-paraplegia-associated-with-hyperextension-injury-in-patients-with-diffuse-idiopathic-skeletal-hyperostosis-dish-case-report-and-review-of-the-literature
#13
Tatsuya Yamamoto, Yoshiomi Kobayashi, Yoji Ogura, Yohei Takahashi, Yoshio Shinozaki, Jun Ogawa
Diffuse idiopathic skeletal hyperostosis (DISH) is characterized by calcifications and ossification of ligaments and tendon insertions. The patients with DISH are susceptible to spinal column injury with trivial trauma due to immobilization of vertebrae and this easily leads to spinal cord injury. However, only few reports on hyperextension injuries of the thoracolumbar spine with DISH exist. Here we report three cases of those who developed delayed leg paraplegia after hyperextension injuries of the thoracolumbar spine with DISH...
March 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28455214/conserved-signaling-pathways-underlying-heterotopic-ossification
#14
Chen Kan, Lijun Chen, Yangyang Hu, Na Ding, Haimei Lu, Yuyun Li, John A Kessler, Lixin Kan
Heterotopic ossification (HO), a serious disorder of extra-skeletal bone formation, occurs as a common complication of trauma or in rare genetic disorders. Many conserved signaling pathways have been implicated in HO; however, the exact underlying molecular mechanisms for many forms of HO are still unclear. The emerging picture is that dysregulation of bone morphogenetic protein (BMP) signaling plays a central role in the process, but that other conserved signaling pathways, such as Hedgehog (HH), Wnt/β-catenin and Fibroblast growth factors (FGF), are also involved, either through cross-talk with BMP signaling or through other independent mechanisms...
April 25, 2017: Bone
https://www.readbyqxmd.com/read/28453295/postinjury-exercise-and-platelet-rich-plasma-therapies-improve-skeletal-muscle-healing-in-rats-but-are-not-synergistic-when-combined
#15
Paola Contreras-Muñoz, Joan Ramon Torrella, Xavier Serres, David Rizo-Roca, Meritxell De la Varga, Ginés Viscor, Vicente Martínez-Ibáñez, José Luis Peiró, Tero A H Järvinen, Gil Rodas, Mario Marotta
BACKGROUND: Skeletal muscle injuries are the most common sports-related injury and a major concern in sports medicine. The effect of platelet-rich plasma (PRP) injections on muscle healing is still poorly understood, and current data are inconclusive. PURPOSE: To evaluate the effects of an ultrasound-guided intramuscular PRP injection, administered 24 hours after injury, and/or posttraumatic daily exercise training for 2 weeks on skeletal muscle healing in a recently established rat model of skeletal muscle injury that highly mimics the muscle trauma seen in human athletes...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448295/the-role-of-mitochondrial-stress-in-muscle-wasting-following-severe-burn-trauma
#16
John O Ogunbileje, David N Herndon, Andrew J Murton, Craig Porter
Increased resting metabolic rate (hypermetabolism) and skeletal muscle wasting are hallmarks of the pathophysiological stress response to severe burn trauma. However, whether these two responses occur independently in burn patients or are in fact related remains unclear. In light of recent evidence demonstrating that increased proteolysis in skeletal muscle of burned patients is accompanied by mitochondrial hypermetabolism, oxidative stress, and protein damage; in this article, we discuss the evidence for a role for the mitochondrion in skeletal muscle wasting following severe burn trauma...
April 21, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28448058/a-rapid-automated-protocol-for-muscle-fiber-population-analysis-in-rat-muscle-cross-sections-using-myosin-heavy-chain-immunohistochemistry
#17
Konstantin D Bergmeister, Marion Gröger, Martin Aman, Anna Willensdorfer, Krisztina Manzano-Szalai, Stefan Salminger, Oskar C Aszmann
Quantification of muscle fiber populations provides a deeper insight into the effects of disease, trauma, and various other influences on skeletal muscle composition. Various time-consuming methods have traditionally been used to study fiber populations in many fields of research. However, recently developed immunohistochemical methods based on myosin heavy chain protein expression provide a quick alternative to identify multiple fiber types in a single section. Here, we present a rapid, reliable and reproducible protocol for improved staining quality, allowing automatic acquisition of whole cross sections and automatic quantification of fiber populations with ImageJ...
March 28, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447275/risk-factors-for-shoulder-dystocia-the-impact-of-mother-s-race-and-ethnicity
#18
Jennifer Gaudet Hefele, Palmira Santos, Grant Ritter, Neha Varma, Ann Hendrich
Shoulder dystocia is a rare but severe birth trauma where the neonate's shoulders fail to deliver after delivery of the head. Failure to deliver the shoulders quickly can lead to severe, long-term injury to the infant, including nerve injury, skeletal fractures, and potentially death. This observational study examined shoulder dystocia risk factors by race and ethnicity using a sample of 19,236 pregnant women who presented for labor and delivery from July 1, 2010 until June 30, 2013 at five locations. Multivariate analyses were used to identify risk factors associated with shoulder dystocia occurrence in racial/ethnic groups with high incidence rates...
April 26, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28434032/diabetes-bone-and-glucose-lowering-agents-basic-biology
#19
REVIEW
Beata Lecka-Czernik
Skeletal fragility often accompanies diabetes and does not appear to correlate with low bone mass or trauma severity in individuals with diabetes. Instead (and in contrast to those with osteoporotic bone disease), bone remodelling and bone turnover are compromised in both type 1 and type 2 diabetes, contributing to defective bone material quality. This review is one of a pair discussing the relationship between diabetes, bone and glucose-lowering agents; an accompanying review is provided in this issue of Diabetologia by Ann Schwartz (DOI: 10...
April 22, 2017: Diabetologia
https://www.readbyqxmd.com/read/28426701/exploratory-study-on-the-effect-of-osteoactivin-on-muscle-regeneration-in-a-rat-volumetric-muscle-loss-model
#20
Jinjin Ma, Andrew R Baker, Anthony Calabro, Kathleen A Derwin
Wounds causing extensive injury loss of muscle, also known as volumetric muscle loss (VML), are frequently associated with high-energy civilian trauma and combat-related extremity injuries. Currently, no effective clinical therapy is available for promoting de novo muscle tissue regeneration to restore muscle function following VML. Recent studies have shown evidence that osteoactivin (OA), a transmembrane glycoprotein, has the ability to prevent skeletal muscle atrophy in response to denervation. Therefore the objective of this study is to investigate the potential regenerative effect of OA embedded and delivered via a cross-linked gelatin hydrogel within a volumetric tibialis anterior muscle defect in a rat model...
2017: PloS One
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