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Skeletal infection

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https://www.readbyqxmd.com/read/28540118/spinal-cord-injury-in-the-geriatric-population-risk-factors-treatment-options-and-long-term-management
#1
REVIEW
Tochukwu C Ikpeze, Addisu Mesfin
Spinal cord injuries (SCIs) are sustained by more than 12 500 patients per year in the United States and more globally. The SCIs disproportionately affect the elderly, especially men. Approximately 60% of these injuries are sustained traumatically through falls, but nontraumatic causes including infections, tumors, and medication-related epidural bleeding have also been documented. Preexisting conditions such as ankylosing spondylitis and diffuse idiopathic skeletal hyperostosis can render the spine stiff and are risk factors as well as cervical spondylosis and ensuing cervical stenosis...
June 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/28521913/a-6500-year-old-middle-neolithic-child-from-pollera-cave-liguria-italy-with-probable-multifocal-osteoarticular-tuberculosis
#2
Vitale S Sparacello, Charlotte A Roberts, Ammielle Kerudin, Romy Müller
Clear skeletal evidence of prehistoric tuberculosis (TB) is rare, especially in children. We describe and differentially diagnose the pathological changes displayed by a five-year-old child, Pollera 21 (PO21) dated to the Middle Neolithic of Liguria (Italy), or 5740±30 BP (Beta-409341; 6635-6453cal BP, 2σ, OxCal 4.2). PO21 shows a number of osteoarticular lesions, mainly of a lytic nature with very little bone proliferation: the vertebral column, the shoulder and pelvic girdles, and the ribcage are involved...
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/28506310/unexpected-evolutionarily-conserved-rapid-effects-of-viral-infection-on-oxytocin-receptor-and-tgf-%C3%AE-psmad3
#4
Yutong Liu, Irina Conboy
BACKGROUND: shRNA lentiviral vectors are extensively used for gene knockdowns in mammalian cells, and non-target shRNAs typically are considered the proper experimental control for general changes caused by RNAi. However, the effects of non-target lentivirus controls on the modulation of cell signaling pathways remain largely unknown. In this study, we evaluated the effect of control lentiviral transduction on oxytocin receptor (OXTR) expression through the ERK/MAPK pathway in mouse and human skeletal muscle cells, on myogenic activity, and in vivo on mouse muscle regeneration...
May 15, 2017: Skeletal Muscle
https://www.readbyqxmd.com/read/28501129/loss-of-muscle-mass-a-significant-predictor-of-postoperative-complications-in-acute-diverticulitis
#5
Kazuhide Matsushima, Kenji Inaba, Vidhi Jhaveri, Vincent Cheng, Keith Herr, Stefano Siboni, Aaron Strumwasser, Demetrios Demetriades
BACKGROUND: Severe muscle mass depletion, sarcopenia, has been shown to be associated with poor operative outcomes. However, its impact on emergency abdominal operations remains unclear. The purpose of this study was to examine the association between low muscle mass (LMM) and outcomes after emergency operations for acute diverticulitis. PATIENTS AND METHODS: Patients ≥18 y requiring an emergency operation for acute diverticulitis between January 2007 and September 2014 were included...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28483381/brains-and-brawn-toxoplasma-infections-of-the-central-nervous-system-and-skeletal-muscle
#6
REVIEW
Elizabeth A Wohlfert, Ira J Blader, Emma H Wilson
Toxoplasma gondii is a widespread parasitic pathogen that infects over a third of the world's population. Following an acute infection, the parasite can persist within its mammalian host as intraneuronal or intramuscular cysts. Cysts will occasionally reactivate, and - depending on the host's immune status and site of reactivation - encephalitis or myositis can develop. Because these diseases have high levels of morbidity and can be lethal, it is important to understand how Toxoplasma traffics to these tissues, how the immune response controls parasite burden and contributes to tissue damage, and what mechanisms underlie neurological and muscular pathologies that toxoplasmosis patients present with...
May 5, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28481627/outcomes-after-percutaneous-reduction-and-fixation-of-low-energy-lisfranc-injuries
#7
Michael Vosbikian, Joseph T O'Neil, Christine Piper, Ronald Huang, Steven M Raikin
BACKGROUND: Lisfranc injuries are often missed initially or not anatomically reduced, leading to midfoot collapse, arthrosis, and pain. Operative management of these injuries is also fraught with complications, particularly with respect to the soft tissues. Wound dehiscence and infection are not uncommon. The goal of this study was to analyze the outcomes of a minimally invasive technique in reduction and percutaneous fixation of low-energy minimally displaced Lisfranc injuries and determine if it is a safe alternative to more traditional, open approaches...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28466246/pathogenic-endoparasites-of-the-spotted-seatrout-cynoscion-nebulosus-patterns-of-infection-in-estuaries-of-south-carolina-usa
#8
Stephen A Arnott, Iva Dyková, William A Roumillat, Isaure de Buron
Six types of pathogenic endoparasites in an economically important fish, spotted seatrout Cynoscion nebulosus, were studied in order to test whether prevalence of infection and assemblage richness varied with season, host sex, host size, or host age. Fish were collected from South Carolina estuaries, USA, over 12 months (n = 216; total lengths 15-663 mm). They were screened histologically for presence of Henneguya cynoscioni (Myxozoa) and Cardicola spp. (Digenea) in the heart, Kudoa inornata (Myxozoa) in the skeletal muscle, Sinuolinea dimorpha (Myxozoa) in the urinary system, Ichthyophonus sp...
May 2, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28463629/fatal-systemic-salmonellosis-in-a-florida-manatee-trichechus-manatus-latirostris
#9
Bryan S Vorbach, David S Rotstein, Nicole I Stacy, Carla Mavian, Marco Salemi, Thomas B Waltzek, Martine de Wit
A subadult male Florida manatee ( Trichechus manatus latirostris) stranded dead on Florida's Atlantic coast in January 2015. Necropsy and histopathologic findings confirmed chronic systemic bacterial infection caused by Salmonella enterica serotype IV 50:z4,z23,:- involving renal, respiratory, lymphatic, and skeletal systems. This was a unique case of systemic salmonellosis in a Florida manatee.
May 2, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28457041/sternocleidomastoid-abscess-mimicking-a-thyroid-swelling-in-a-young-female
#10
A Pandey, Keshri S Yadav, Gaurav Singh, P K Maheshwari, M Chaturvedi
Primary pyomyositis is a bacterial infection of skeletal muscle with acute or subacute clinical course. This usually present with localized abscess.We report a case of an 18 years old female presenting with swelling in midline of neck moving with deglutition mimicking a thyroid swelling. On further investigation patient was confirmed to have sternocleidomastoid myositis. Previous case reports have showed various etiologies for development of abscess. After thorough examination and investigations, patient was found to have an idiopathic sternocleidomastoid abscess which responded well to empirical antibiotic therapy...
February 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28456665/a-novel-paradigm-links-mitochondrial-dysfunction-with-muscle-stem-cell-impairment-in-sepsis
#11
REVIEW
Laurent Chatre, Franck Verdonk, Pierre Rocheteau, Clément Crochemore, Fabrice Chrétien, Miria Ricchetti
Sepsis is an acute systemic inflammatory response of the body to microbial infection and a life threatening condition associated with multiple organ failure. Survivors may display long-term disability with muscle weakness that remains poorly understood. Recent data suggest that long-term myopathy in sepsis survivors is due to failure of skeletal muscle stem cells (satellite cells) to regenerate the muscle. Satellite cells impairment in the acute phase of sepsis is linked to unusual mitochondrial dysfunctions, characterized by a dramatic reduction of the mitochondrial mass and hyperactivity of residual organelles...
April 26, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28456661/trichinella-spiralis-impact-on-mesenchymal-stem-cells-immunohistochemical-study-by-image-analyzer-in-murine-model
#12
Marwa A Hasby Saad, Eiman A Hasby
This study aims to elucidate whether Trichinella spiralis infection or its crude antigen administration can stimulate recruitment of CD105(+ve)/CD45(-ve) cells that could represent MSCs in intestine and skeletal muscle of experimental BALB/c albino mice compared to healthy control mice. Studied mice were divided into: 20 healthy control, 20 with orally induced T. spiralis infection, 20 received adult worm crude antigen orally and 20 received larval crude antigen intramuscular. According to specific timing schedule, mice were sacrificed and tissue sections were examined for CD105 and CD45 immunohistochemical expression using image J image analyzing software, to compare different study groups...
April 27, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28455561/radiographic-assessment-of-distal-femur-cemented-stems-in-tumor-endoprostheses
#13
R E Turcotte, N A Stavropoulos, J Toreson, M Alsultan
BACKGROUND: Distal femoral endoprosthesis (DFE) has become the optimal method of reconstruction in the skeletally mature patients treated for malignant bone tumor. Albeit literature has reported wide range of aseptic loosening in cemented components (6-32%), few authors showed that cement was not detrimental to long-term success of primary distal femoral implants possibly relating to cementing technique. METHODS: A series of consecutive of DFE (MRS and GMRS, Styker Orthopaedics, Mahwah, NJ) was retrospectively reviewed for evidence of loosening on plain radiographs...
April 28, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28435571/outcome-of-skeletal-reconstructive-surgery-for-metastatic-bone-tumours-in-the-femur
#14
N H Mohamed-Haflah, Y Kassim, I Zuchri, W Zulmi
INTRODUCTION: The role of surgery in skeletal metastasis is to reduce morbidity and improve the quality of life in terminally ill patients. We report our experience with patients who underwent skeletal reconstructive surgery for metastatic bone tumour of the femur. MATERIALS AND METHODS: Twenty nine operations for skeletal metastasis of the femur performed in our centre between 2009 and 2015 were included in this study. We evaluated the choice of implant, complications, survival rate and functional outcome...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28431581/sacroiliitis-mimics-a-case-report-and-review-of-the-literature
#15
Maria J Antonelli, Marina Magrey
BACKGROUND: Radiographic sacroiliitis is the hallmark of ankylosing spondylitis (AS), and detection of acute sacroiliitis is pivotal for early diagnosis of AS. Although radiographic sacroiliitis is a distinguishing feature of AS, sacroiliitis can be seen in a variety of other disease entities. CASE PRESENTATION: We present an interesting case of sacroiliitis in a patient with Paget disease; the patient presented with inflammatory back pain which was treated with bisphosphonate...
April 22, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28424287/protective-efficacy-of-formaldehyde-inactivated-whole-virus-vaccine-and-antivirals-in-a-murine-model-of-coxsackievirus-a10-infection
#16
Zhenjie Zhang, Zhaopeng Dong, Juan Li, Michael J Carr, Dongming Zhuang, Jianxing Wang, Yawei Zhang, Shujun Ding, Yigang Tong, Dong Li, Weifeng Shi
Coxsackievirus A10 (CVA10) is one of the major pathogens associated with hand, foot and mouth disease (HFMD). CVA10 infection can cause herpangina and viral pneumonia, which can be complicated by severe neurological sequelae. Morbidity and mortality of CVA10-associated HFMD has been increasing in recent years, particularly in the pan-Pacific region. There are limited studies however on the pathogenesis and immunology of CVA10-associated HFMD infections, and few antiviral drugs or vaccines have been reported...
April 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28423372/patterns-of-disease-in-patients-with-middle-lobe-predominant-bronchiectasis
#17
Melissa J McDonnell, Mohammed Ahmed, Jeeban Das, Michael O'Mahony, David Breen, Anthony O'Regan, J J Gilmartin, John Bruzzi, Robert M Rutherford
BACKGROUND: Middle-lobe predominant bronchiectasis affecting the right middle-lobe and/or lingula (RMLP) is classically described in asthenic, elderly females with skeletal abnormalities or associated nontuberculous mycobacterial (NTM) infection. OBJECTIVES: We aimed to evaluate the frequency and clinical characteristics of patients with an RMLP phenotype in a cohort of newly diagnosed bronchiectasis patients and determine associations with disease severity. METHODS: A retrospective observational cross-sectional cohort study of consecutive bronchiectasis patients in our institution was performed...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28419808/outcomes-after-1-stage-versus-2-stage-revision-anterior-cruciate-ligament-reconstruction
#18
Justin J Mitchell, Jorge Chahla, Chase S Dean, Mark Cinque, Lauren M Matheny, Robert F LaPrade
BACKGROUND: Revision anterior cruciate ligament reconstruction (ACLR) is becoming increasingly common as the number of primary ACLR cases continues to rise. Despite this, there are limited data on the outcomes of revision ACLR and even less information specifically addressing the differences in 1-stage revision reconstruction versus those performed in a 2-stage fashion after primary reconstruction. PURPOSE: To compare the outcomes, patient satisfaction, and failure rates of 1-stage versus 2-stage revision ACLR...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28410697/multifocal-pure-tubercular-osteomyelitis-an-unusual-presentation-in-childhood
#19
Sananda Pati, Sangita De, Tarak Nath Ghosh, Mrinal Kanti Ghosh
Tuberculosis is a major health problem in the developing world. One-third of children infected with Mycobacterium tuberculosis have extra pulmonary involvement. Skeletal tuberculosis occurs in 1-6% of them with vertebra being the commonest site. Pure tubercular osteomyelitis without joint involvement occurs in only 2-3% cases of osteoarticular tuberculosis. Common sites are femur, tibia, and fibula. Disseminated skeletal involvement is very rare in children (7%) and calvarial osteomyelitis is even rarer (1%)...
April 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28402022/steroidogenic-acute-regulatory-protein-star-overexpression-reduces-inflammation-and-insulin-resistance-in-obese-mice
#20
Yanyan Qiu, Xianxian Sui, Shengxuan Cao, Xiaobo Li, Yanxia Ning, Songmei Wang, Lianhua Yin, Xiuling Zhi
Steroidogenic acute regulatory protein (StAR), a mitochondrial cholesterol delivery protein, plays a beneficial role in hyperlipidemia, NAFLD and endothelial inflammation. Elevated circulating fatty acids and low grade inflammation are known as key risk factors of insulin resistance and type 2 diabetes. In the present study, C57BL/6J mice were fed with a HFD and infected with recombinant adenovirus expressing StAR by tail-vein injection. Intraperitoneal glucose/insulin tolerance test was performed to assess the insulin sensitivity...
April 12, 2017: Journal of Cellular Biochemistry
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