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Pneumonias

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https://www.readbyqxmd.com/read/27923071/c-type-lectin-mincle-recognizes-glucosyl-diacylglycerol-of-streptococcus-pneumoniae-and-plays-a-protective-role-in-pneumococcal-pneumonia
#1
Friederike Behler-Janbeck, Tomotsugu Takano, Regina Maus, Jennifer Stolper, Danny Jonigk, Meritxell Tort Tarrés, Thomas Fuehner, Antje Prasse, Tobias Welte, Mattie S M Timmer, Bridget L Stocker, Yoichi Nakanishi, Tomofumi Miyamoto, Sho Yamasaki, Ulrich A Maus
Among various innate immune receptor families, the role of C-type lectin receptors (CLRs) in lung protective immunity against Streptococcus pneumoniae (S. pneumoniae) is not fully defined. We here show that Mincle gene expression was induced in alveolar macrophages and neutrophils in bronchoalveolar lavage fluids of mice and patients with pneumococcal pneumonia. Moreover, S. pneumoniae directly triggered Mincle reporter cell activation in vitro via its glycolipid glucosyl-diacylglycerol (Glc-DAG), which was identified as the ligand recognized by Mincle...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27922910/impact-of-medicare-s-nonpayment-program-on-hospital-acquired-conditions
#2
Caroline P Thirukumaran, Laurent G Glance, Helena Temkin-Greener, Meredith B Rosenthal, Yue Li
BACKGROUND: Medicare's Nonpayment Program of 2008 (hereafter called Program) withholds hospital reimbursement for costs related to hospital-acquired conditions (HACs). Little is known whether a hospital's Medicare patient load [quantified by the hospital's Medicare utilization ratio (MUR), which is the proportion of inpatient days financed by Medicare] influences its response to the Program. OBJECTIVE: To determine whether the Program was associated with changes in HAC incidence, and whether this association varies across hospitals with differential Medicare patient load...
December 5, 2016: Medical Care
https://www.readbyqxmd.com/read/27922906/patient-outcomes-after-early-versus-late-tracheostomy-in-the-puerto-rico-trauma-hospital
#3
Ana M Romero Vázquez, Omar García Rodríguez, Ediel Ramos Meléndez, Pablo Rodríguez Ortiz
OBJECTIVE: This study aimed to evaluate the impact of early tracheostomy (ET, ≤7 days) versus that of late tracheostomy (LT, >7 days) on outcomes such as hospital length of stay (LOS), intensive care unit (ICU) days, mechanical ventilation (MV) days, and mortality ratio. METHODS: A historical cohort study was undertaken using charts of patients admitted to the Puerto Rico Trauma Hospital who required MV and underwent tracheostomies, from 2000 to 2013. A logistic regression was performed to evaluate the association between timing of tracheostomy and complications and mortality...
December 5, 2016: Journal of Patient Safety
https://www.readbyqxmd.com/read/27922699/adhesion-and-invasion-of-streptococcus-pneumoniae-to-primary-and-secondary-respiratory-epithelial-cells
#4
Sara Novick, Marilous Shagan, Karin Blau, Sarit Lifshitz, Noga Givon-Lavi, Nili Grossman, Lipa Bodner, Ron Dagan, Yaffa Mizrachi Nebenzahl
The interaction between Streptococcus pneumoniae (S. pneumoniae) and the mucosal epithelial cells of its host is a prerequisite for pneumococcal disease development, yet the specificity of this interaction between different respiratory cells is not fully understood. In the present study, three areas were examined: i) The capability of the encapsulated S. pneumoniae serotype 3 strain (WU2) to adhere to and invade primary nasal‑derived epithelial cells in comparison to primary oral‑derived epithelial cells, A549 adenocarcinoma cells and BEAS‑2B viral transformed bronchial cells; ii) the capability of the unencapsulated 3...
December 6, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922625/infections-in-the-spinal-cord-injured-population-a-systematic-review
#5
L Y Garcia-Arguello, J C O'Horo, A Farrell, R Blakney, M R Sohail, C T Evans, N Safdar
STUDY DESIGN: Spinal cord injury (SCI) patients are an increasing population due to recent military conflicts. SCI patients are at an increased risk of infection, but the epidemiology management and prevention strategies for these infections are unclear. OBJECTIVE: To review the incidence, microbiology and management of pneumonia, skin and soft tissue infections (SSTI), urinary tract infections (UTI) and bloodstream infections in the SCI population via literature review...
December 6, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27922256/statins-in-critical-care-to-give-or-not-to-give
#6
Amr S Omar, Samy Hanoura, Haifa M Aljanubi, Ahmed Mahfouz
Owing to statin's immune modulatory, anti-inflammatory, antioxidant, antithrombotic and endothelial function actions, they are widely used in the critical care settings in diverse disease scenarios. We aim to explore the evidence to globalize the utilization of statins in the intensive care practice for different indications. We carried out a search of the PubMed, Cochrane and EMBASE databases up to January 2016. We included review articles, meta-analyses, and original trials on the effects of statin therapy in the intensive care unit (ICU) combining the following MESH terms: 'satins', 'intensive care, 'cardiac surgery', 'sepsis', 'acute respiratory distress syndrome' 'pneumonia', subarachnoid hemorrhage', traumatic brain injury and 'critical illness'...
December 6, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27922247/a-pediatric-case-of-fascioliasis-with-eosinophilic-pneumonia
#7
Gülsüm İclal Bayhan, Abdulsamet Batur, Ayşegül Taylan-Özkan, Kaan Demirören, Yunus Emre Beyhan
Fasciolia spp. are common trematode infestations worldwide. Fasciolia spp. may lead to hepatic diseases in the acute phase and may cause biliary diseases in the chronic phase. In addition, Fasciolia spp. may rarely cause extrahepatic signs and symptoms. The clinical manifestations of fascioliasis are divided into three groups: typical, atypical, and ectopic. Eosinophilic pneumonia is an atypical presentation of acute fascioliasis and it has been reported very rarely. Herein, we report a boy with marked blood eosinophilia and eosinophilic pneumonia who was diagnosed with fascioliasis by serologic tests and abdominal USG...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922210/comparison-between-thoracic-radiographic-findings-and-postmortem-diagnosis-of-thoracic-diseases-in-dyspneic-companion-rats-rattus-norvegicus
#8
Virginie Fouriez-Lablée, Claire Vergneau-Grosset, Philip H Kass, Allison L Zwingenberger
Companion rats are often presented to veterinarians for respiratory difficulties. Dyspnea in rats is most commonly due to infectious pneumonia, and thoracic neoplasia can go undiagnosed ante mortem due to a mistaken interpretation of pneumonia. In domestic carnivores, pulmonary nodular patterns have been shown to correlate with lung neoplastic diseases and infectious diseases. The main objective of this retrospective case series study was to determine whether certain radiographic criteria could be correlated with the presence of thoracic infectious disease and neoplastic disease in companion rats...
December 6, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27922126/viral-and-bacterial-co-infection-in-severe-pneumonia-triggers-innate-immune-responses-and-specifically-enhances-ip-10-a-translational-study
#9
Jonathan Hoffmann, Daniela Machado, Olivier Terrier, Stephane Pouzol, Mélina Messaoudi, Wilma Basualdo, Emilio E Espínola, Rosa M Guillen, Manuel Rosa-Calatrava, Valentina Picot, Thomas Bénet, Hubert Endtz, Graciela Russomando, Gláucia Paranhos-Baccalà
Mixed viral and bacterial infections are widely described in community-acquired pneumonia; however, the clinical implications of co-infection on the associated immunopathology remain poorly studied. In this study, microRNA, mRNA and cytokine/chemokine secretion profiling were investigated for human monocyte-derived macrophages infected in-vitro with Influenza virus A/H1N1 and/or Streptococcus pneumoniae. We observed that the in-vitro co-infection synergistically increased interferon-γ-induced protein-10 (CXCL10, IP-10) expression compared to the singly-infected cells conditions...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921442/nebulized-antibiotics-in-mechanically-ventilated-patients-roadmap-and-challenges
#10
G Poulakou, G Siakallis, S Tsiodras, A Arfaras Melainis, G Dimopoulos
Nebulized antibiotics use has become common practice in the therapeutics of pneumonia in cystic fibrosis patients. There is an increasing interest in their use for respiratory infections in mechanically ventilated (MV) patients in order to a) overcome pharmacokinetic issues in the lung compartment with traditional systemic antibiotic use and b) prevent the emergence of multi-drug-resistant (MDR) pathogens. Areas covered: The beneficial effects of antibiotic nebulization in MV patients e.g. increasing efficacy, reduced toxicity and prevention of resistance are described...
December 6, 2016: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/27921337/extended-spectrum-cephalosporin-resistance-among-clinical-isolates-of-enterobacteriaceae-in-west-norway-during-2006-2013-a-prospective-surveillance-study
#11
Haima Mylvaganam, Helge Kolstad, Rebecca Irene Breistein, Grete Lind, Dag Harald Skutlaberg
Routine surveillance of resistance to broad-spectrum cephalosporins in Enterobacteriaceae and phenotypic identification of underlying mechanisms using a simple strategy was commenced in 2006 at our laboratory, serving West Norway. This report focuses on the results until 2013. The classical plasmid-mediated extended spectrum beta-lactamase (ESBLA ) among clinically relevant Escherichia coli isolates showed an increase from 0.6% to 4.3% during the surveillance period, while prevalence for other mechanisms remained stable, below 0...
December 6, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27921234/simultaneous-virus-identification-and-characterization-of-severe-unexplained-pneumonia-cases-using-a-metagenomics-sequencing-technique
#12
Xiaohui Zou, Guangpeng Tang, Xiang Zhao, Yan Huang, Tao Chen, Mingyu Lei, Wenbing Chen, Lei Yang, Wenfei Zhu, Li Zhuang, Jing Yang, Zhaomin Feng, Dayan Wang, Dingming Wang, Yuelong Shu
Many viruses can cause respiratory diseases in humans. Although great advances have been achieved in methods of diagnosis, it remains challenging to identify pathogens in unexplained pneumonia (UP) cases. In this study, we applied next-generation sequencing (NGS) technology and a metagenomic approach to detect and characterize respiratory viruses in UP cases from Guizhou Province, China. A total of 33 oropharyngeal swabs were obtained from hospitalized UP patients and subjected to NGS. An unbiased metagenomic analysis pipeline identified 13 virus species in 16 samples...
December 2, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27921227/-nosocomial-pneumonia-from-a%C3%A2-radiological-perspective
#13
REVIEW
P Agarwal, A Wielandner
Due to the high morbidity and mortality, nosocomial pneumonia represents a serious risk in hospitalized patients. The increased risk of infections with multidrug-resistant (MDR) pathogens makes a timely diagnosis and prompt therapy indispensable. A newly occurring or progressive infiltrate in any patient who has been hospitalized for more than 48 h should be viewed with suspicion. In contrast to community acquired pneumonia (CAP), radiography plays a limited role in the diagnosis of hospital-acquired pneumonia (HAP)...
December 5, 2016: Der Radiologe
https://www.readbyqxmd.com/read/27921149/a-case-of-urticarial-vasculitis-in-a-female-patient-with-lupus-mycoplasma-pneumoniae-infection-or-lupus-reactivation
#14
Mario Diplomatico, Maria Francesca Gicchino, Orsola Ametrano, Pierluigi Marzuillo, Alma Nunzia Olivieri
A 17-year-old female patient affected by systemic lupus erythematosus (SLE) (who had been taking 300 mg/die of hydroxychloroquine for 3 years), Graves' disease (treated with 10 mg/die of tapazole), and celiac disease came to our attention for urticarial vasculitis. She had been taking prednisone (25 mg/die) for 3 days, and her blood tests showed high levels of Mycoplasma pneumoniae IgM and IgG antibodies. The association between urticaria and M. pneumoniae infections can be present in up to 7% of the cases and, to the best of our knowledge, only two reports of urticarial vasculitis and M...
December 5, 2016: Rheumatology International
https://www.readbyqxmd.com/read/27920972/potentially-preventable-hospitalizations-for-acute-and-chronic-conditions-in-alaska-2010-2012
#15
Prabhu P Gounder, Sara M Seeman, Robert C Holman, Alice Rarig, Mary K McEwen, Claudia A Steiner, Michael L Bartholomew, Thomas W Hennessy
OBJECTIVE: The U.S. Agency for Healthcare Research and Quality's Prevention Quality Indicators comprise acute and chronic conditions for which hospitalization can be potentially prevented by high-quality ambulatory care. The Healthy Alaska 2020 initiative (HA2020) targeted reducing potentially preventable hospitalizations (PPH) for acute and chronic conditions among its health indicators. We estimated the PPH rate for adults aged ≥ 18 years in Alaska during 2010-2012. METHODS: We conducted a cross-sectional analysis of state-wide hospital discharge data obtained from the Healthcare Cost and Utilization Project and the Indian Health Service...
December 2016: Preventive Medicine Reports
https://www.readbyqxmd.com/read/27920654/a-rare-cause-of-pulmonary-nodules
#16
Michael Tsuyoshi Chew, Eric Chak, Karen Matsukuma
Crohn's disease is a chronic, idiopathic autoimmune disorder that primarily targets the gastrointestinal (GI) system. It is characterized by transmural inflammation of the GI tract that can occur anywhere from the mouth to the anus. Not infrequently, the disease may also have extraintestinal manifestations (EIMs) that can affect almost any organ system. It is estimated that EIMs affect up to 36% of patients with Crohn's disease, but the incidence and prevalence of pulmonary involvement are variable in the literature and may be as low as 0...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920416/re-evaluating-the-inhibition-of-stress-erosions-revise-a-protocol-for-pilot-randomized-controlled-trial
#17
Waleed Alhazzani, Gordon Guyatt, John C Marshall, Richard Hall, John Muscedere, Francois Lauzier, Lehana Thabane, Mohammed Alshahrani, Shane W English, Yaseen M Arabi, Adam M Deane, Tim Karachi, Bram Rochwerg, Simon Finfer, Nick Daneman, Nicole Zytaruk, Diane Heel-Ansdell, Deborah Cook, On Behalf Of
INTRODUCTION: Clinicians routinely administer stress ulcer prophylaxis to mechanically ventilated patients in the intensive care unit (ICU), most commonly prescribing proton pump inhibitors (PPIs). However, the incidence of gastrointestinal (GI) bleeding from stress ulceration is low and recent observational studies suggest these agents may increase infections. Therefore, a large randomized clinical trial (RCT) is needed to inform modern practice. The aim of this multicenter pilot trial is to determine the feasibility of performing a large RCT to investigate the efficacy and safety of withholding intravenous pantoprazole...
November 2016: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/27920001/a-case-report-of-pneumocystis-jiroveci-pneumonia-in-a-patient-with-metastatic-breast-cancer
#18
Abhijit Ray, Brian Khong, Hung T Khong
We describe a 69-year-old woman with metastatic breast cancer who developed dyspnea on exertion, persistent cough, fever and fatigue while on everolimus and exemestane combination. The initial differentials included opportunistic infection such as pneumocystis jiroveci pneumonia (PJP) vs. pneumonitis. Bronchoalveolar lavage (BAL) from bronchoscopy revealed PJP. The patient recovered after appropriate treatment. We also correlated the progressive decrease in her absolute lymphocyte count with PJP infection and recovery...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919902/genetic-environment-of-the-blakpc-2-gene-in-klebsiella-pneumoniae-isolate-which-may-have-been-imported-to-russia-from-southeast-asia
#19
Vladimir Ageevets, Julia Sopova, Irina Lazareva, Maya Malakhova, Elena Ilina, Elena Kostryukova, Vladislav Babenko, Alessandra Carattoli, Yuri Lobzin, Alexander Uskov, Sergey Sidorenko
The nucleotide sequence of a blaKPC-2-harboring plasmid (pKPCAPSS) from Klebsiella pneumoniae ST273 isolated in Saint Petersburg, Russia from a patient with history of recent travel to Vietnam is presented. This 127,970-bp plasmid possessed both IncFII and IncR replicons. blaKPC-2 was localized on a hypothetical mobile element. This element was flanked by 38bp inverted Tn3 repeats and included a Tn3-specific transposase gene, macrolide resistance operon (mphA, mrx, mphR), and a fragment of blaTEM with unique polymorphisms...
December 5, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27919900/n-acetyl-l-cysteine-and-cysteamine-new-strategies-against-mixed-biofilms-of-non-encapsulated-streptococcus-pneumoniae-and-non-typeable-haemophilus-influenzae
#20
Mirian Domenech, Ernesto García
Acute otitis media, a polymicrobial disease of the middle ear cavity of children, is a significant public health problem worldwide. It is most frequently caused by encapsulated Streptococcus pneumoniae and non-typeable Haemophilus influenzae, although the widespread use of pneumococcal conjugate vaccines is apparently producing an increase in carriage of non-encapsulated S. pneumoniae Frequently, pneumococci and H. influenzae live together in the human nasopharynx forming a self-produced biofilm. Biofilms represent a global medical challenge since the inherent antibiotic resistance of their producers demands the use of high doses of antibiotics over prolonged periods...
December 5, 2016: Antimicrobial Agents and Chemotherapy
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