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https://www.readbyqxmd.com/read/29238641/complication-rates-in-posterior-lumbar-interbody-fusion-plif-surgery-with-human-bone-morphogenetic-protein-2-medicare-population
#1
Raed Alobaidaan, Jeremiah R Cohen, Elizabeth L Lord, Zorica Buser, S Tim Yoon, Jim A Youssef, Jong-Beom Park, Darrel S Brodke, Jeffrey C Wang, Hans-Joerg Meisel
Study Design: Retrospective cohort study among Medicare beneficiaries who underwent posterior lumbar interbody fusion (PLIF) surgery. Objective: To identify the complication rates associated with the use of bone morphogenetic protein 2 (BMP2) in PLIF. Human BMP2 is commonly used in the "off-label" manner for various types of spine fusion procedures, including PLIF. However, recent studies have reported potential complications associated with the recombinant human BMP2 (rhBMP2) use in the posterior approach...
December 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29237287/early-sites-of-virus-replication-after-oral-sivmac251-infection-of-infant-macaques-implications-for-pathogenesis
#2
Angela Amedee, Bonnie Phillips, Kara Jensen, Spencer Robichaux, Nedra Lacour, Mark Burke, Michael Piatak, Jeffrey Lifson, Pamela A Kozlowski, Koen K A Van Rompay, Kristina De Paris
Despite optimization of preventative measures for vertical HIV-1 transmission, daily roughly 400 infants become HIV infected, most of them via breastfeeding. Viral entry has been presumed to occur in the gastrointestinal tract; however, the exact entry site(s) have not been defined. Therefore, we quantified viral RNA and DNA in oral, intestinal and systemic tissues of 15 infant macaques within 48-96 hours after oral SIVmac251 exposure. SIV DNA was detected as early as 48 hours, whereas SIV RNA was typically detected at later time points (72-96 hours)...
December 14, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29236897/central-nervous-system-vasculitis-in-a-patient-with-hiv-infection-a-diagnostic-challenge
#3
Nícolas de O Amui, Roberta G F Silva, Danilo M C Costa, Orlando G P Barsottini, José Luiz Pedroso, Paulo Roberto Abrão Ferreira
No abstract text is available yet for this article.
December 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29233145/suppression-of-interleukin-6-increases-enterovirus-a71-lethality-in-mice
#4
Li-Chiu Wang, Hui-Wen Yao, Chuan-Fa Chang, Shainn-Wei Wang, Shih-Min Wang, Shun-Hua Chen
BACKGROUND: Enterovirus A71 (EV-A71) infection can induce fatal encephalitis in young children. Clinical reports show that interleukin-6 (IL-6) levels in the serum and cerebrospinal fluid of infected patients with brainstem encephalitis are significantly elevated. We used a murine model to address the significance of endogenous IL-6 in EV-A71 infection. RESULTS: EV-A71 infection transiently increased serum and brain IL-6 protein levels in mice. Most importantly, absence of IL-6 due to gene knockout or depletion of IL-6 using neutralizing monoclonal antibody enhanced the mortality and tissue viral load of infected mice...
December 12, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29231805/understanding-host-parasite-relationship-the-immune-central-nervous-system-microenvironment-and-its-effect-on-brain-infections
#5
Laura Adalid-Peralta, Brenda Sáenz, Gladis Fragoso, Graciela Cárdenas
The central nervous system (CNS) has been recognized as an immunologically specialized microenvironment, where immune surveillance takes a distinctive character, and where delicate neuronal networks are sustained by anti-inflammatory factors that maintain local homeostasis. However, when a foreign agent such as a parasite establishes in the CNS, a set of immune defences is mounted and several immune molecules are released to promote an array of responses, which ultimately would control the infection and associated damage...
December 12, 2017: Parasitology
https://www.readbyqxmd.com/read/29230092/fetomaternal-and-pediatric-toxoplasmosis
#6
Helieh S Oz
Toxoplasmosis is one of the most important causes of foodborne illnesses and inflammatory complications, as well as congenital disorders. Promiscuous Toxoplasma is transmitted by contaminated food and animal produce, water, vegetations, fruits and sexually through semen. Toxoplasma infects nucleated cells with a unique tropism for muscles and central nervous system and a mind bugging malicious effect. Pregnant women with acute or reactivated toxoplasmosis can transmit Toxoplasma via transplacental to the fetus...
December 2017: Journal of Pediatric Infectious Diseases
https://www.readbyqxmd.com/read/29229552/caspase-6-is-a-dispensable-enabler-of-adult-mammalian-axonal-degeneration
#7
V Woo, C Cheng, A Duraikannu, A Chandrasekhar, K Purdy, J A Martinez, D W Zochodne
The progress of axonal degeneration (AxD) following injury or insult impacts both recovery from axonal transection and protection of axons from diverse insults, or axonopathy. Here we provide evidence that increases in capase-6 (Casp6) expression and action contribute to the progression of AxD. The expression of Casp6 protein and mRNA in distal branches of sensory axons undergoing AxD was confirmed. We developed and utilized a new model of axonopathy in live mice by serially visualizing the viability of cutaneous axons in the ear pinna that expressed an axonal YFP transgene, in response to capasaicin-induced AxD...
December 8, 2017: Neuroscience
https://www.readbyqxmd.com/read/29229308/lymphocyte-dominant-encephalitis-and-meningitis-in-simian-immunodeficiency-virus-infected-macaques-receiving-antiretroviral-therapy
#8
Lisa M Mangus, Sarah E Beck, Suzanne E Queen, Samuel A Brill, Erin N Shirk, Kelly A Metcalf Pate, Dillon C Muth, Robert J Adams, Lucio Gama, Janice E Clements, Joseph L Mankowski
A retrospective neuropathologic review of 30 SIV-infected pigtailed macaques receiving combination antiretroviral therapy (cART) was conducted. Seventeen animals with lymphocyte-dominant inflammation in the brain and/or meninges that clearly was morphologically distinct from prototypic SIV encephalitis and human immunodeficiency virus encephalitis were identified. Central nervous system (CNS) infiltrates in cART-treated macaques primarily comprised CD20+ B cells and CD3+ T cells with fewer CD68+ macrophages...
December 5, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29229275/frequency-of-treponema-pallidum-invasion-into-cerebrospinal-fluid-in-primary-or-secondary-early-stage-syphilis
#9
Mao Hagihara, Yuka Yamagishi, Hideo Kato, Yuichi Shibata, Arufumi Shiota, Daisuke Sakanashi, Hiroyuki Suematsu, Hiroki Watanabe, Nobuhiro Asai, Yusuke Koizumi, Tatsuro Furui, Seiichiro Takahashi, Koji Izumi, Hiroshige Mikamo
Frequency of Treponema pallidum invasion into cerebrospinal fluid (CSF) has not been clear at this present. Since it is impossible to culture T. pallidum in vitro at this present, we need molecular based-approach to detect it in CSF. Additionally, neurosyphilis is usually a late sequela, however it might result in asymptomatic neurosyphilis even at primary or secondary syphilis. This study was to reveal the frequency of T. pallidum invasion into CSF especially at primary or secondary syphilis with polymerase chain reaction (PCR) test...
December 8, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29228979/contrasting-effect-of-the-latency-reversing-agents-bryostatin-1-and-jq1-on-astrocyte-mediated-neuroinflammation-and-brain-neutrophil-invasion
#10
Alizé Proust, Corinne Barat, Mathieu Leboeuf, Jean Drouin, Michel J Tremblay
BACKGROUND: Despite effectiveness of the combined antiretroviral therapy, HIV-1 persists in long-lived latently infected cells. Consequently, new therapeutic approaches aimed at eliminating this latent reservoir are currently being developed. A "shock and kill" strategy using latency-reversing agents (LRA) to reactivate HIV-1 has been proposed. However, the impact of LRA on the central nervous system (CNS) remains elusive. METHODS: We used human fetal astrocytes and investigated the effects of several LRA on their functional and secretory activities...
December 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29228974/central-nervous-system-transcriptome-of-biomphalaria-alexandrina-an-intermediate-host-for-schistosomiasis
#11
Tamer A Mansour, Mohamed R Habib, Laura C Vicente Rodríguez, Anthony Hernández Vázquez, Julián Maldonado Alers, Alfredo Ghezzi, Roger P Croll, C Titus Brown, Mark W Miller
OBJECTIVE: Globally, more than 200 million people live at risk of the neglected tropical disease schistosomiasis (or snail fever). Larval schistosomes require the presence of specific snail species that act as intermediate hosts, supporting their multiplication and transformation into forms that can infect humans. This project was designed to generate a transcriptome from the central nervous system (CNS) of Biomphalaria alexandrina, the major intermediate host for Schistosoma mansoni in Egypt...
December 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29225872/acute-psychotic-symptoms-following-a-single-dose-of-levofloxacin
#12
Larissa Takser, Roland Grad
The objective of our case report was to raise awareness of the neurotoxic potential of levofloxacin in naïve patients. In patients with severe infections and comorbidities, it would be difficult to discriminate the neurotoxic effects of levofloxacin from those of the medical condition itself. Thus, health professionals should be aware of the early onset CNS effects of levofloxacin in naïve patients.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29224318/-distribution-and-drug-resistance-of-pathogens-of-blood-stream-infection-in-patients-with-hematological-malignancies-after-chemotherapy
#13
S Z Chen, K N Lin, M Xiao, X F Luo, Q Li, J H Ren, R Y Huang, M M Chen, Z Z Ally, T Chen, J D Yang, Jianda Hu
Objective: To investigate the distribution and resistance of pathogens isolated from blood cultures in patients with hematological malignancies after chemotherapy in Union Hospital of Fujian Medical University so as to understand the real situation of blood stream infection (BSI) and provide the basis for rational use of antibiotics in clinic. Methods: The data of 657 strains isolated from blood culture specimens of patients with hematological malignancies from January 2013 to December 2016 were collected analyzed...
November 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29223126/hpev-3-predominated-among-parechovirus-a-positive-infants-during-an-outbreak-in-2013-2014-in-queensland-australia
#14
Donna McNeale, Claire Y T Wang, Katherine E Arden, Ian M Mackay
BACKGROUND: Parechoviruses (HPeV) are endemic seasonal pathogens detected from the respiratory tract, gut, blood and central nervous system (CNS) of children and adults, sometimes in conjunction with a range of acute illnesses. HPeV CNS infection may lead to neurodevelopmental sequelae, especially following infection by HPeV-3, hence screening and genotyping are important to inform epidemiology, aetiology and prognosis. OBJECTIVES: To identify and characterise HPeVs circulating during an outbreak between November 2013 and April 2014 in Queensland, Australia...
December 6, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29222712/categorization-and-association-analysis-of-risk-factors-for-adverse-drug-events
#15
REVIEW
Lina Zhou, Anamika Paul Rupa
PURPOSE: Adverse drug events (ADE) are among the leading causes of morbidity and hospitalization. This review analyzes risk factors for ADE, particularly their categorizations and association patterns, the prevalence, severity, and preventability of ADE, and method characteristics of reviewed studies. METHODS: Literature search was conducted via PubMed, Science Direct, CINAHL, and MEDLINE. A review was conducted of research articles that reported original data about specific risk factors for ADE since 2000...
December 8, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29221755/unilateral-brachial-plexopathy-a-rare-complication-of-mycoplasma-pneumoniae-infection
#16
Barbara Robnik, Darja Keše, Tereza Rojko, Alenka Horvat-Ledinek, Aleš Pražnikar, Bojana Beović
Few reports in the literature describe isolated peripheral neuropathies in relation to Mycoplasma pneumoniae infection without concurrent damage to the central nervous system. To our knowledge only a single case of mononeuritis multiplex with brachial plexus neuropathy coincident with M. pneumoniae has been documented until now. Here we present the first clinical case of lobar M. pneumoniae pneumonia in a 19-year-old female patient, where coincident neurological complications manifested as unilateral brachial plexus neuropathy, affecting axillar and suprascapular nerves...
December 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29219259/nursing-management-of-childhood-chickenpox-infection
#17
Grace Boyd, Paul Anthony Heaton, Rachel Wilkinson, Siba Prosad Paul
Chickenpox is an extremely contagious infectious disease caused by varicella zoster virus (VZV). It is a common childhood illness characterised by an itchy vesicular rash and fever, which usually resolves spontaneously without medical intervention. Serious, and rarely fatal, complications can occur, including pneumonia, central nervous system infection, overwhelming secondary bacterial infections, especially with Group A streptococcus, and necrotising fasciitis. Therefore it is crucial that emergency department (ED) nurses can recognise the signs and symptoms that indicate deterioration...
December 8, 2017: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/29217093/risk-factors-for-the-appearance-of-secondary-foci-of-infection-in-children-with-community-acquired-staphylococcus-aureus-bacteraemia-cohort-study-2010-2016
#18
M Guadalupe Perez, Soledad Martiren, Florencia Escarra, Vanesa Reijtman, Alejandra Mastroianni, Ana Varela-Baino, Carola Cedillo, M Eva Garcia, Moira Taicz, Rosa Bologna
INTRODUCTION: Community-acquired Staphylococcus aureus (SA) bacteraemia is a common cause of hospitalisation in children. The occurrence of secondary foci (SF) of SA infection is associated with higher morbidity and mortality. OBJECTIVES: To identify risk factors for SF of infection in children with community-acquired SA bacteraemia. MATERIAL AND METHODS: Prospective cohort. All children aged from 30 days to 16 years admitted to a paediatric referral hospital between January 2010 and December 2016 for community-acquired infections, with SA isolated in blood cultures, were included...
December 4, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29214455/cryptococcus-gattii-infection-presenting-as-an-aggressive-lung-mass
#19
Shuwei Zheng, Thuan Tong Tan, Jaime Mei Fong Chien
Cryptococcus gattii is an endemic fungus predominantly isolated in the tropical and subtropical regions, causing predominantly pulmonary disease with a predilection for the central nervous system. Herein, we report a case of rapidly progressing C. gattii pneumonia in an immune-deficient but virologically suppressed host with underlying human immunodeficiency viral (HIV) infection, exhibiting various fungal morphologies from bronchoalveolar lavage (BAL) cytological specimens. A 51-year-old Chinese male with known HIV disease was admitted to the Singapore General Hospital for evaluation of functional decline, febrile episodes, and a left hilar mass on chest radiograph...
December 6, 2017: Mycopathologia
https://www.readbyqxmd.com/read/29210355/neuroangiostrongyliasis-the-subarachnoid-phase-and-its-implications-for-anthelminthic-therapy
#20
Paul Prociv, Megan Turner
Infection with the Rat Lungworm Angiostrongylus cantonensis is the leading cause of human eosinophilic meningoencephalitis worldwide. From its origins in southeastern Asia, the parasite was spread extensively throughout the twentieth century and is now established in many of the world's warmer regions. Its clinical effects range from mild and transient symptoms, usually headache with peripheral nerve dysfunction, to severe and permanent central nervous system (CNS) damage, occasionally fatal. The severity and prognosis of disease are determined by the larval dose, acquired by ingesting infected intermediate hosts (slugs and snails) or, less often, paratenic hosts, such as crabs, shrimps, frogs, and monitor lizards...
December 4, 2017: American Journal of Tropical Medicine and Hygiene
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