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https://www.readbyqxmd.com/read/27913446/use-of-bioresorbable-implants-for-orbital-fracture-reconstruction
#1
Stephanie M Young, Gangadhara Sundar, Thiam-Chye Lim, Stephanie S Lang, George Thomas, Shantha Amrith
PURPOSE: Bioresorbable implants offer several advantages over permanent implants and serve as a useful alternative in the reconstruction of orbital fractures. Our aim of the study was to evaluate the clinical effectiveness and safety of various bioresorbable implants in the repair of orbital fractures. METHODS: A retrospective review of all patients who had undergone orbital fracture repair with bioresorbable implants in a single tertiary trauma centre from January 2005 to December 2014 was performed...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27904474/poly-adp-ribose-polymerase-inhibition-reveals-a-potential-mechanism-to-promote-neuroprotection-and-treat-neuropathic-pain
#2
REVIEW
Prashanth Komirishetty, Aparna Areti, Ranadeep Gogoi, Ramakrishna Sistla, Ashutosh Kumar
Neuropathic pain is triggered by the lesions to peripheral nerves which alter their structure and function. Neuroprotective approaches that limit the pathological changes and improve the behavioral outcome have been well explained in different experimental models of neuropathy but translation of such strategies to clinics has been disappointing. Experimental evidences revealed the role of free radicals, especially peroxynitrite after the nerve injury. They provoke oxidative DNA damage and consequent over-activation of the poly(ADP-ribose) polymerase (PARP) upregulates pro-inflammatory pathways, causing bioenergetic crisis and neuronal death...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27895899/oxidatively-degradable-poly-thioketal-urethane-ceramic-composite-bone-cements-with-bone-like-strength
#3
Madison A P McEnery, Sichang Lu, Mukesh K Gupta, Katarzyna J Zienkiewicz, Joseph C Wenke, Kerem N Kalpakci, Daniel Shimko, Craig L Duvall, Scott A Guelcher
Synthetic bone cements are commonly used in orthopaedic procedures to aid in bone regeneration following trauma or disease. Polymeric cements like PMMA provide the mechanical strength necessary for orthopaedic applications, but they are not resorbable and do not integrate with host bone. Ceramic cements have a chemical composition similar to that of bone, but their brittle mechanical properties limit their use in weight-bearing applications. In this study, we designed oxidatively degradable, polymeric bone cements with mechanical properties suitable for bone tissue engineering applications...
2016: RSC Advances
https://www.readbyqxmd.com/read/27780110/latent-classes-of-childhood-poly-victimization-and-associations-with-suicidal-behavior-among-adult-trauma-victims-moderating-role-of-anger
#4
Ruby Charak, Brianna M Byllesby, Michelle E Roley, Meredith A Claycomb, Tory A Durham, Jana Ross, Cherie Armour, Jon D Elhai
The aims of the present study were first to identify discrete patterns of childhood victimization experiences including crime, child maltreatment, peer/sibling victimization, sexual violence, and witnessing violence among adult trauma victims using latent class analysis; second, to examine the association between class-membership and suicidal behavior, and third to investigate the differential role of dispositional anger on the association between class-membership and suicidal behavior. We hypothesized that those classes with accumulating exposure to different types of childhood victimization (e...
December 2016: Child Abuse & Neglect
https://www.readbyqxmd.com/read/27712995/combination-strategy-of-parp-inhibitor-with-antioxidant-prevent-bioenergetic-deficits-and-inflammatory-changes-in-cci-induced-neuropathy
#5
Prashanth Komirishetty, Aparna Areti, Ranadeep Gogoi, Ramakrishna Sistla, Ashutosh Kumar
Neuropathic pain, a debilitating pain condition and the underlying pathogenic mechanisms are complex and interwoven amongst each other and still there is scant information available regarding therapies which promise to treat the condition. Evidence indicate that oxidative/nitrosative stress induced poly (ADP-ribose) polymerase (PARP) overactivation initiate neuroinflammation and bioenergetic crisis culminating into neurodegenerative changes following nerve injury. Hence, we investigated the therapeutic effect of combining an antioxidant, quercetin and a PARP inhibitor, 4-amino 1, 8-naphthalimide (4-ANI) on the hallmark deficits induced by chronic constriction injury (CCI) of sciatic nerve in rats...
October 3, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27698643/foreign-body-reaction-and-osteolysis-in-dorsal-lunate-dislocation-repair-with-bioabsorbable-suture-anchor
#6
Ezequiel Ernesto Zaidenberg, Pablo Roitman, Gerardo Luis Gallucci, Jorge Guillermo Boretto, Pablo De Carli
Background: In recent years the use of biodegradable suture anchors for treating tendon and ligament pathology in hand surgery became popular. These materials are biocompatible, radiolucent, and load sharing, as they incrementally transfer load to surrounding bone during the resorption process. Despite these numerous advantages, polyglycolic (PGA) and poly-L-lactic acid (PLLA) have become a problem because of the potential risk for foreign body reactions. Methods: This article presents a case of an intraosseous foreign body reaction and massive osteolysis of the proximal carpal after dorsal lunate dislocation repair with bioabsorbable suture anchors...
September 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/27679751/plastic-surgery-challenges-in-war-wounded-i-flap-based-extremity-reconstruction
#7
Jennifer M Sabino, Julia Slater, Ian L Valerio
Scope and Significance: Reconstruction of traumatic injuries requiring tissue transfer begins with aggressive resuscitation and stabilization. Systematic advances in acute casualty care at the point of injury have improved survival and allowed for increasingly complex treatment before definitive reconstruction at tertiary medical facilities outside the combat zone. As a result, the complexity of the limb salvage algorithm has increased over 14 years of combat activities in Iraq and Afghanistan. Problem: Severe poly-extremity trauma in combat casualties has led to a large number of extremity salvage cases...
September 1, 2016: Advances in Wound Care
https://www.readbyqxmd.com/read/27561247/orthopaedic-nursing-challenges-in-poly-traumatised-patient-management-a-critical-analysis-of-an-orthopaedic-and-trauma-unit
#8
Carlo Biz, Lisa Buffon, Roberto Marin, Natalia Petrova
INTRODUCTION AND BACKGROUND: Trauma is the most frequent cause of death in people under 40 years old. It is an important problem not only because of the high mortality but also because of the consequential disability that can lead to serious economic consequences. STUDY AIMS: This descriptive, comparative study investigates the definitive management of poly-traumatised patients in an Italian Orthopaedic Ward in order to highlight its strengths and weaknesses in comparison with the most recent literature...
April 21, 2016: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/27502024/occlusive-bandaging-of-wounds-with-decreased-circulation-promotes-growth-of-anaerobic-bacteria-and-necrosis-case-report
#9
Fariba Nayeri
BACKGROUND: Topical occlusive/semi-occlusive dressings that induce a damp and trapped environment are widely used in wound treatment. Subjecting the wound with impaired circulation to such trapped/air-free environment potentiates the growth of anaerobic bacteria and risk for serious infection. CASE PRESENTATION: We present a case of previously healthy Swedish male that had a muscle contusion after heavy trauma that induced impaired circulation. The application of an occlusive bandage to the post-traumatic wound on the patient resulted in a poly-microbial anaerobic infection and necrosis...
2016: BMC Research Notes
https://www.readbyqxmd.com/read/27450741/bioabsorbable-versus-metallic-interference-screws-for-graft-fixation-in-anterior-cruciate-ligament-reconstruction
#10
REVIEW
Pedro Debieux, Carlos E S Franciozi, Mário Lenza, Marcel Jun Tamaoki, Robert A Magnussen, Flávio Faloppa, João Carlos Belloti
BACKGROUND: Anterior cruciate ligament (ACL) tears are frequently treated with surgical reconstruction with grafts, frequently patella tendon or hamstrings. Interference screws are often used to secure the graft in bone tunnels in the femur and tibia. This review examines whether bioabsorbable interference screws give better results than metal interference screws when used for graft fixation in ACL reconstruction. OBJECTIVES: To assess the effects (benefits and harms) of bioabsorbable versus metallic interference screws for graft fixation in ACL reconstruction...
July 24, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27444121/microglial-activation-induced-by-the-alarmin-s100b-is-regulated-by-poly-adp-ribose-polymerase-1
#11
Jianguo Xu, Handong Wang, Seok Joon Won, Jayinee Basu, David Kapfhamer, Raymond A Swanson
Brain injury resulting from stroke or trauma can be exacerbated by the release of proinflammatory cytokines, proteases, and reactive oxygen species by activated microglia. The microglial activation resulting from brain injury is mediated in part by alarmins, which are signaling molecules released from damaged cells. The nuclear enzyme poly(ADP-ribose) polymerase-1 (PARP-1) has been shown to regulate microglial activation after brain injury, and here we show that signaling effects of the alarmin S100B are regulated by PARP-1...
November 2016: Glia
https://www.readbyqxmd.com/read/27435965/injectable-gentamicin-loaded-thermo-responsive-hyaluronic-acid-derivative-prevents-infection-in-a-rabbit-model
#12
Gert-Jan A Ter Boo, Daniel Arens, Willem-Jan Metsemakers, Stephan Zeiter, R Geoff Richards, Dirk W Grijpma, David Eglin, T Fintan Moriarty
UNLABELLED: Despite the use of systemic antibiotic prophylaxis, the surgical fixation of open fractures with osteosynthesis implants is associated with high infection rates. Antibiotic-loaded biomaterials (ALBs) are increasingly used in implant surgeries across medical specialties to deliver high concentrations of antibiotics to the surgical site and reduce the risk of implant-associated infection. ALBs which are either less or not restricted in terms of spatial distribution and which may be applied throughout complex wounds could offer improved protection against infection in open fracture care...
October 1, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27406558/traumatic-cervical-internal-carotid-artery-pseudoaneurysm-in-a-child-refractory-to-initial-endovascular-treatment-case-report-and-technical-considerations
#13
Arthur Wang, Justin G Santarelli, Michael F Stiefel
PURPOSE: Optimal management of extracranial carotid artery dissections (eCAD) in pediatric patients is not well documented, and endovascular interventions are rarely reported. METHODS: A 10-year-old girl sustained multiple systemic injuries in a motor vehicle accident, including an eCAD with pseudoaneurysm. She initially failed both aspirin and endovascular stenting with progressive enlargement of a traumatic cervical carotid pseudoaneurysm and stenosis. RESULTS: Second-stage endovascular stent placement with coiling resulted in successful occlusion of the pseudoaneurysm...
December 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27278330/brain-derived-neurotrophic-factor-delivered-to-the-brain-using-poly-lactide-co-glycolide-nanoparticles-improves-neurological-and-cognitive-outcome-in-mice-with-traumatic-brain-injury
#14
Igor Khalin, Renad Alyautdin, Tin Wui Wong, Justin Gnanou, Ganna Kocherga, Jörg Kreuter
Currently, traumatic brain injury (TBI) is the leading cause of death or disabilities in young individuals worldwide. The multi-complexity of its pathogenesis as well as impermeability of the blood-brain barrier (BBB) makes the drug choice and delivery very challenging. The brain-derived neurotrophic factor (BDNF) regulates neuronal plasticity, neuronal cell growth, proliferation, cell survival and long-term memory. However, its short half-life and low BBB permeability are the main hurdles to be an effective therapeutic for TBI...
November 2016: Drug Delivery
https://www.readbyqxmd.com/read/27193135/effectiveness-of-non-invasive-external-pelvic-compression-a-systematic-review-of-the-literature
#15
REVIEW
Peyman Bakhshayesh, Tarek Boutefnouchet, Anna Tötterman
INTRODUCTION: Pelvic fractures might carry a significant risk of bleeding. A wide variety of pelvic binders together with pelvic sheets are available and offer an adjunct to the initial management of poly-trauma patients with pelvic injuries. These devices are collectively referred to as pelvic circumferential compression devices (PCCDs). The aim of this study was to review the literature for evidence pertinent to the efficacy and safety of PCCDs. METHODS: Using the PRISMA guidelines a systematic search on PubMed, Web of Science, CINAHL, Embase and Scopus was carried out...
May 18, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27135075/venous-glucose-serum-lactate-and-base-deficit-as-biochemical-predictors-of-mortality-in-patients-with-polytrauma
#16
Sameh Saad, Naglaa Mohamed, Amr Moghazy, Gouda Ellabban, Soliman El-Kamash
BACKGROUND: The trauma and injury severity score (TRISS) and Acute Physiology and Chronic Health Evaluation IV (APACHE IV) are accurate but complex. This study aimed to compare venous glucose, levels of serum lactate, and base deficit in polytraumatized patients as simple parameters to predict the mortality in these patients versus (TRISS) and (APACHE IV). METHODS: This was a comparative cross-sectional study of 282 patients with polytrauma presented to the Emergency Department (ED)...
January 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/27127034/gentamicin-loaded-poly-lactic-co-glycolic-acid-microparticles-for-the-prevention-of-maxillofacial-and-orthopedic-implant-infections
#17
Claudia Flores, Stephanie Degoutin, Feng Chai, Gwenael Raoul, Jean-Chritophe Hornez, Bernard Martel, Juergen Siepmann, Joel Ferri, Nicolas Blanchemain
Trauma and orthopedic surgery can cause infections as any open surgical procedures. Such complications occur in only1 to 5% of the cases, but the treatment is rather complicated due to bacterial biofilm formation and limited drug access to the site of infection upon systemic administration. An interesting strategy to overcome this type of complications is to prevent bacterial proliferation and biofilm formation via the local and controlled release of antibiotic drugs from the implant itself. Obviously, the incorporation of the drug into the implant should not affect the latter's biological and mechanical properties...
July 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27110843/delinquent-victim-youth-adapting-a-trauma-informed-approach-for-the-juvenile-justice-system
#18
Lisa Rapp
The connection between victimization and later delinquency is well established and most youth involved with the juvenile justice system have at least one if not multiple victimizations in their history. Poly-victimized youth or those presenting with complex trauma require specialized assessment and services to prevent deleterious emotional, physical, and social life consequences. Empirical studies have provided information which can guide practitioners work with these youth and families, yet many of the policies and practices of the juvenile justice system are counter to this model...
September 2016: Journal of Evidence-informed Social Work
https://www.readbyqxmd.com/read/27071973/episcleral-drug-film-for-better-targeted-ocular-drug-delivery-and-controlled-release-using-multilayered-poly-%C3%AE%C2%B5-caprolactone-pcl
#19
Shumao Sun, Jie Li, Xiaoli Li, Bifei Lan, Shiyu Zhou, Yongchun Meng, Lingyun Cheng
UNLABELLED: Triamcinolone acetonide (TA) and poly-ε-caprolactone (PCL) were engineered into a micro drug film for episcleral application to better manage chronic vitreoretinal diseases such as proliferative vitreoretinopathy (PVR). Compared to an intravitreal drug injection, this drug film is much safer without breaking into ocular barriers. Compared to a traditional subtenon injection, this drug film demonstrated superior therapeutic duration, better drug bioavailability in the choroid and retina, and better-targeted drug delivery ability...
June 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27058286/the-selection-of-core-international-classification-of-functioning-disability-and-health-icf-categories-for-patient-reported-outcome-measurement-in-spine-trauma-patients-results-of-an-international-consensus-process
#20
Said Sadiqi, A Mechteld Lehr, Marcel W Post, Wilco C H Jacobs, Bizhan Aarabi, Jens R Chapman, Robert N Dunn, Marcel F Dvorak, Michael G Fehlings, S Rajasekaran, Luiz R Vialle, Alexander R Vaccaro, F Cumhur Oner
BACKGROUND CONTEXT: There is no outcome instrument specifically designed and validated for spine trauma patients without complete paralysis, which makes it difficult to compare outcomes of different treatments of the spinal column injury within and between studies. PURPOSE: The paper aimed to report on the evidence-based consensus process that resulted in the selection of core International Classification of Functioning, Disability, and Health (ICF) categories, as well as the response scale for use in a universal patient-reported outcome measure for patients with traumatic spinal column injury...
August 2016: Spine Journal: Official Journal of the North American Spine Society
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