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Organizing pneumonia

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https://www.readbyqxmd.com/read/28222102/anln-truncation-causes-a-familial-fatal-acute-respiratory-distress-syndrome-in-dalmatian-dogs
#1
Saila Holopainen, Marjo K Hytönen, Pernilla Syrjä, Meharji Arumilli, Anna-Kaisa Järvinen, Minna Rajamäki, Hannes Lohi
Acute respiratory distress syndrome (ARDS) is the leading cause of death in critical care medicine. The syndrome is typified by an exaggerated inflammatory response within the lungs. ARDS has been reported in many species, including dogs. We have previously reported a fatal familial juvenile respiratory disease accompanied by occasional unilateral renal aplasia and hydrocephalus, in Dalmatian dogs. The condition with a suggested recessive mode of inheritance resembles acute exacerbation of usual interstitial pneumonia in man...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28221102/rhodococcus-infection-in-solid-organ-and-hematopoietic-stem-cell-transplant-recipients-1
#2
Pascalis Vergidis, Ella J Ariza-Heredia, Anoma Nellore, Camille N Kotton, Daniel R Kaul, Michele I Morris, Theodoros Kelesidis, Harshal Shah, Seo Young Park, M Hong Nguyen, Raymund R Razonable
We conducted a case-control study of 18 US transplant recipients with Rhodococcus infection and 36 matched controls. The predominant types of infection were pneumonia and bacteremia. Diabetes mellitus and recent opportunistic infection were independently associated with disease. Outcomes were generally favorable except for 1 relapse and 1 death.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28219296/phytochemical-screening-and-evaluation-of-in-vitro-antioxidant-and-antimicrobial-activities-of-the-indigenous-medicinal-plant-albizia-odoratissima
#3
Venkanna Banothu, Chandrasekharnath Neelagiri, Uma Adepally, Jayalakshmi Lingam, Kesavaharshini Bommareddy
CONTEXT: Albizia odoratissima (L. f.) Benth has been used in Indian folk medicine to treat numerous inflammatory pathologies, such as leprosy, ulcers, burns and asthma. OBJECTIVE: To evaluate the antioxidant and antimicrobial properties of A. odoratissima. MATERIALS AND METHODS: Dried leaves of A. odoratissima were extracted in organic solvents (hexane, chloroform, ethyl acetate, and methanol). The total phenolic content (TPC) and total flavonoid content (TFC) were determined using the Folin-Ciocalteu and aluminum chloride colorimetric methods, respectively...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28218729/exhaled-breath-metabolomics-for-the-diagnosis-of-pneumonia-in-intubated-and-mechanically-ventilated-intensive-care-unit-icu-patients
#4
Pouline M P van Oort, Sanne de Bruin, Hans Weda, Hugo H Knobel, Marcus J Schultz, Lieuwe D Bos, On Behalf Of The Mars Consortium
The diagnosis of hospital-acquired pneumonia remains challenging. We hypothesized that analysis of volatile organic compounds (VOCs) in exhaled breath could be used to diagnose pneumonia or the presence of pathogens in the respiratory tract in intubated and mechanically-ventilated intensive care unit patients. In this prospective, single-centre, cross-sectional cohort study breath from mechanically ventilated patients was analysed using gas chromatography-mass spectrometry. Potentially relevant VOCs were selected with a p-value < 0...
February 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28215914/fecal-carriage-of-mdros-in-a-population-of-lebanese-elderly-dynamics-and-impact-on-bacterial-fitness
#5
Caren Challita, Elias Dahdouh, Michel Attieh, Iman Dandachi, Elio Ragheb, Roy Taoutel, Carl Tanba, Ziad Daoud
Muti-Drug Resistant Organisms (MDROs) are problematic all over the world, especially in Lebanon. High fecal carriage rates of MDR Enterobacteriaceae were reported from Lebanese nursing homes. Some studies show that MDROs have a fitness cost as compared to sensitive isolates. In this study, the competitive growth of MDR Escherichia coli obtained from fecal samples from elderly is assessed. Fecal swabs from ten elderly patients from a Lebanese nursing home were obtained between June and December, 2015. Isolates were identified by API 20E and antimicrobial susceptibilities were determined...
February 16, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28215789/a-ten-year-review-of-total-hospital-onset-intensive-care-unit-bloodstream-infections-at-an-academic-medical-center
#6
Anna M Civitarese, Eric Ruggieri, J Matthias Walz, Deborah Ann Mack, Stephen O Heard, Michael Mitchell, Craig M Lilly, Karen E Landry, Richard T Ellison
OBJECTIVE: The rates of central line-associated bloodstream infections (CLABSIs) in United States intensive care units (ICU) have decreased significantly, and a parallel reduction in the rates of total hospital onset bacteremias in these units should also be expected. We report 10-year trends for total hospital onset ICU-associated bacteremias at a tertiary care academic medical center. DESIGN: This was a retrospective analysis of all positive blood cultures among patients admitted to seven adult ICUs for the period FY2005 through FY2014 according to Centers for Disease Control and Prevention National Healthcare Safety Network definitions...
February 16, 2017: Chest
https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#7
S M Zaki, D W Denning
We aimed to estimate the burden of serious fungal infections in Egypt, currently unknown, based on the size of the populations at risk and available epidemiological data. Data were obtained from the World Health Organization (WHO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), and published reports with clearcut denominators. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology. The population of Egypt in 2011 was ∼82,500,000; 31% children, and 8% women >60 years of age...
February 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28212992/nivolumab-induced-interstitial-lung-disease-analysis-of-two-phase-ii-studies-patients-with-recurrent-or-advanced-non-small-cell-lung-cancer
#8
Terufumi Kato, Noriyuki Masuda, Yoichi Nakanishi, Masashi Takahashi, Toyoaki Hida, Hiroshi Sakai, Shinji Atagi, Shiro Fujita, Hiroshi Tanaka, Koji Takeda, Miyako Satouchi, Yoshinobu Namba, Tomohide Tamura
OBJECTIVES: Drug-induced interstitial lung disease (ILD) is often associated with high mortality; however it is difficult to predict and manage. we examined the clinical findings and imaging characteristics of nivolumab induced ILD reported in the two phase II studies patients with recurrent or advanced non-small-cell lung cancer. MATERIALS AND METHODS: We examined the clinical findings and imaging characteristics of all cases of ILD reported in two phase II trials of nivolumab, an anti-programmed death-1 antibody, in Japanese patients with recurrent or advanced non-small-cell lung cancer...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212095/identifying-bacterial-essential-genes-based-on-a-feature-integrated-method
#9
Yan Lin, Fa-Zhan Zhang, Kai Xue, Yi-Zhou Gao, Feng-Biao Guo
Essential genes are those genes of an organism that are considered to be crucial for its survival. Identification of essential genes is therefore of great significance to advance our understanding of the principles of cellular life. We have developed a novel computational method, which can effectively predict bacterial essential genes by extracting and integrating homologous features, protein domain feature, gene intrinsic features and network topological features. By performing the principal component regression (PCR) analysis for Escherichia coli MG1655, we established a classification model with the average area under curve (AUC) value of 0...
February 15, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28210926/a-fatal-suppurative-pneumonia-in-piglets-caused-by-a-pathogenic-coagulase-positive-strain-of-staphylococcus-hyicus
#10
Mingyue Wang, Junying Hu, Lisai Zhu, Chunguang Guo, Haibing Lu, Changming Guo, Xin Li, Xinping Wang
Staphylococcus hyicus is one of the opportunistic pathogens that cause infections to animals. Early studies have demonstrated that S. hyicus is the causative agents of exudative epidermitis in pigs, arthritis in horses and chicken, mastitis in cow, and bacteremia, sepsis and multiple organ failure in humans. Here, we report the isolation and identification of a representative S. hyicus isolate, named JLHN15, from a pig farm with a disease characterized by bacteremia, suppurative pneumonia and fibrinous pericarditis...
February 16, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28208857/emergence-of-hospital-acquired-carbapenem-resistant-non-fermenters-in-teaching-institute
#11
Hariom Sharan, Neeraj Katare, Aparna Pandey, Ganesh Shivmurti Bhatambare, Trupti Bajpai
INTRODUCTION: Non-Fermenting Gram Negative Bacilli (NFGNB) are emerging now-a-days because of their tendency to colonize various surfaces and inherent resistance to commonly used disinfectants. They are responsible for multi-drug resistant hospital acquired infections. Detection of carbapenem resistance mechanisms is essential for treatment and infection control purpose as can spread to other organisms causing hospital outbreaks. AIM: To characterize non-fermenters from various clinical samples and to detect different carbapenem resistance mechanisms in meropenem resistant isolates...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28198727/new-guidelines-for-nosocomial-pneumonia
#12
Mark L Metersky, Andre C Kalil
PURPOSE OF REVIEW: Hospital-acquired pneumonia (HAP) and ventilator-associated pneumonia (VAP) remain important causes of morbidity and mortality in hospitalized patients. New evidence-based guidelines for the diagnosis and treatment of these entities were released by the Infectious Diseases Society of America and the American Thoracic Society in 2016. This review summarizes the recommendations contained within these guidelines and their supporting rationale. RECENT FINDINGS: With respect to diagnosis of HAP and VAP, the guidelines suggest using semiquantitative cultures of noninvasively obtained respiratory samples instead of quantitative cultures of invasively obtained samples...
February 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28198170/antibacterial-effect-of-sevoflurane-and-isoflurane
#13
M Martínez-Serrano, M Gerónimo-Pardo, A Martínez-Monsalve, M D Crespo-Sánchez
OBJECTIVE: Multidrug resistant bacteria are increasing worldwide and therapeutic options are limited. Some anaesthetics have shown antibacterial activity before. In this study, we have investigated the antibacterial effect of the halogenated anaesthetic agents sevoflurane and isoflurane against a range of resistant pathogens. METHODS: Two experiments were conducted. In the first, bacterial suspensions of both ATCC and resistant strains of Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa were exposed to liquid sevoflurane and isoflurane during 15, 30 and 60 minutes...
February 15, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28196635/childhood-meningitis-in-kuwait-in-the-era-of-post-pneumococcal-conjugate-vaccination-a-multicenter-study
#14
Hussain Sadeq, Entesar H Husain, Amna Alkoot, Suha Atyani, Abdullah Al-Fraij, Abdulrahman Al-Daithan, Talal AlSaleem, Anfal Taher, May Alenezi
This is a retrospective study to evaluate epidemiology and etiologies of childhood meningitis in Kuwait after the routine introduction of the pneumococcal conjugate vaccine. The data was collected from 196 patients in the period of 2010-2014. Aseptic meningitis accounted for 51% of the cases, bacterial meningitis accounted for 29% cases and partially treated meningitis were 20%. Organisms causing bacterial meningitis were: Streptococcus pneumoniae 40.4%, Neisseria meningitidis 17.6%, Haemophilus spp. 12.2%, other gram positive or negative 19...
February 9, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28195963/mediastinitis-following-endobronchial-ultrasound-guided-transbronchial-needle-aspiration
#15
Aruna Jahoor, Shekhar Ghamande, Shirley Jones, Carl Boethel, Heath D White
Mediastinitis is a rare complication of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). Recent reports of infectious complications following EBUS-TBNA involved oropharyngeal bacteria. Here, we report 2 unusual cases of post-EBUS-TBNA mediastinitis involving Streptococcus pneumoniae and Pseudomonas aeruginosa, which were likely the result of direct inoculation of the organisms at the time of transbronchial needle aspiration. The first case was successfully treated with computed tomography-guided drainage and antibiotics, whereas the second case had >50% distal tracheal obstruction and near total occlusion of the left main stem bronchus, requiring rigid bronchoscopy, stent placement, debulking, and antibiotics...
February 10, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28195384/air-pollution-alters-staphylococcus-aureus-and-streptococcus-pneumoniae-biofilms-antibiotic-tolerance-and-colonisation
#16
S J K Hussey, J Purves, N Allcock, V E Fernandes, P S Monks, J M Ketley, P W Andrew, J A Morrissey
Air pollution is the world's largest single environmental health risk (WHO). Particulate matter such as black carbon is one of the main components of air pollution. The effects of particulate matter on human health are well established however the effects on bacteria, organisms central to ecosystems in humans and in the natural environment, are poorly understood. We report here for the first time that black carbon drastically changes the development of bacterial biofilms, key aspects of bacterial colonisation and survival...
February 14, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28194086/silicosis-in-the-form-of-progressive-massive-fibrosis-a-diagnostic-challenge
#17
Somnath Bhattacharya, Atin Dey, Amitava Pal, Saurav Kar, Sayantan Saha
Silicosis is a major occupational lung disease with a relatively fatal and irreversible outcome. Early diagnosis for shifting the potential candidates to safe modes of workplace as well as for prevention of further progression is the cornerstone of management. Here, we present a complicated case of silicosis in the form of progressive massive fibrosis, which was initially interpreted as tuberculosis; radiological images had resemblance with tuberculosis and cryptogenic organizing pneumonia. Radiology-guided trucut biopsy was imperative to confirm the diagnosis...
May 2016: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28192578/when-the-great-masquerader-reveals-itself-tuberculosis
#18
Brittany Hodgson, Benjamin D Kornfeld, Bridget M Wild
Pneumonia is a clinical diagnosis often treated empirically and successfully on an outpatient basis. When a patient fails to improve, the clinician is left to revisit the differential of pathogens and reconsider the host. Admission, imaging, and invasive and noninvasive testing are part of the toolkit for the severe or atypical case of pneumonia. For fastidious organisms, achieving a culture-proven diagnosis can be quite difficult. This article discusses the screening and testing for tuberculosis, reviews the utility of computed tomography imaging and bronchoscopy with bronchoalveolar lavage in severe or atypical pneumonia, and highlights the barriers to definitive diagnosis even when the causative microbe is on the differential diagnosis when a patient is admitted...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28185802/infection-in-burn-patients-in-a-referral-center-in-colombia
#19
Carlos Enrique Ramirez-Blanco, Carlos Enrique Ramirez-Rivero, Luis Alfonso Diaz-Martinez, Luis Miguel Sosa-Avila
INTRODUCTION: Worldwide, burns are responsible for more than 300,000 deaths annually; infection is a major cause of morbidity and mortality in these patients. Early identification and treatment of infection improves outcome. Toward this end it's necessary to identify the institutions flora and organisms that most frequently produces infection. OBJECTIVES: To characterize infections developed by burn patients hospitalized at the University Hospital of Santander (HUS)...
February 6, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28185242/long-acting-muscarinic-antagonist-lama-plus-long-acting-beta-agonist-laba-versus-laba-plus-inhaled-corticosteroid-ics-for-stable-chronic-obstructive-pulmonary-disease-copd
#20
REVIEW
Nobuyuki Horita, Atsushi Goto, Yuji Shibata, Erika Ota, Kentaro Nakashima, Kenjiro Nagai, Takeshi Kaneko
BACKGROUND: Three classes of inhaler medications are used to manage chronic obstructive pulmonary disease (COPD): long-acting beta-agonists (LABA), long-acting muscarinic antagonists (LAMA), and inhaled corticosteroids (ICS). When two classes of medications are required, LAMA plus LABA (LAMA+LABA) and LABA plus ICS (LABA+ICS) are often selected because these combinations can be administered via a single medication device. The previous Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidance recommended LABA+ICS as the first-line treatment for managing stable COPD in high-risk people of categories C and D...
February 10, 2017: Cochrane Database of Systematic Reviews
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