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Pulmonary infection

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https://www.readbyqxmd.com/read/29458008/trefoil-factor-2-promotes-type-2-immunity-and-lung-repair-through-intrinsic-roles-in-hematopoietic-and-non-hematopoietic-cells
#1
Li-Yin Hung, Taylor K Oniskey, Debasish Sen, Matthew F Krummel, Andrew E Vaughan, Noam A Cohen, De'Broski R Herbert
Trefoil factors are small secreted proteins that regulate tissue integrity and repair at mucosal surfaces, particularly in the gastrointestinal tract. However, their relative contribution(s) to controlling baseline lung function or the extent of infection-induced lung injury are unknown issues. Using irradiation bone marrow chimeras, we found that Trefoil factor 2 (TFF2) produced from both hematopoietic- and non-hematopoietic-derived cells is essential for host protection, proliferation of alveolar type 2 cells, and restoration of pulmonary gas exchange following infection with the hookworm parasite Nippostrongylus brasiliensis...
February 16, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29457208/children-deserve-smoke-free-world
#2
REVIEW
R Remesh Kumar, P R Jayakumar, R Krishna Mohan
Tobacco smoke, active or passive exposure was the major cause of preventable morbidity and mortality in the world during twentieth century and will continue to be the same in the twenty-first century also if the current trends continue. Both active and passive smoking are having significance in relation to child health. Exposure starts antenatally from placenta to the fetus and later phases through passive exposure to experimental and regular smoking and ultimately addiction and habitual smoking. Evidences are in favour of causal relationship with intrauterine growth restriction, sudden infant death syndrome, decreased pulmonary function, increased risk for respiratory tract infection, otitis media, wheeze, asthma, neurobehavioral disorders, cleft palate and triggering pathogenesis of fetal and childhood onset of adult diseases, especially pulmonary and cardio vascular diseases...
February 19, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29456701/correlation-between-cortisol-levels-and-concurrent-infection-for-hepatitis-b-cirrhosis-patients-and-countermeasure-analysis
#3
Jian Zhang, Junwei Ma, Hongxin Wang, Junhong Li
The study assessed the correlation between cortisol (COR) levels and concurrent infection for the patients with hepatitis B cirrhosis for corresponding countermeasure analysis. In total, 86 patients with hepatitis B cirrhosis (non-infection group) and 32 patients with hepatitis B cirrhosis complicated with infection (infection group) who were diagnosed and treated in the Beijing YouAn Hospital from March 2014 to March 2017 were selected. The fasting venous blood of all the patients was drawn to detect COR, cortisol binding globulin (CBG), blood routine indexes, C-reactive protein (CRP), procalcitonin (PCT), endotoxin and other indicators...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29455061/relationship-between-nurse-staffing-level-and-adult-nursing-sensitive-outcomes-in-tertiary-hospitals-of-korea-retrospective-observational-study
#4
Chul-Gyu Kim, Kyun-Seop Bae
BACKGROUND: Nurse staffing level is an important factor on nursing sensitive outcome. The relationships of nurse staffing level with nursing sensitive outcomes such as mortality, upper gastrointestinal bleeding and pressure ulcer have been explored in the United States, Canada, Australia, and New Zealand. Lower level of hospital nurse staffing seems associated with more adverse outcomes, especially mortality. However, there is insufficient evidence of the nurse staffing level-outcome relationship in other indicators...
January 2, 2018: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29455044/timing-of-surgical-site-infection-and-pulmonary-complications-after-laparotomy
#5
Ossian Gundel, Sofie Kirchhoff Gundersen, Rikke Maria Dahl, Lars Nannestad Jørgensen, Lars S Rasmussen, Jørn Wetterslev, Ditte Sæbye, Christian S Meyhoff
BACKGROUND: Surgical site infection (SSI) and other postoperative complications are associated with high costs, morbidity, secondary surgery, and mortality. Many studies have identified factors that may prevent SSI and pulmonary complications, but it is important to know when they in fact occur. The aim of this study was to investigate the diagnostic timing of surgical site infections and pulmonary complications after laparotomy. MATERIAL AND METHODS: This is a secondary analysis of the PROXI trial which was a randomized clinical trial conducted in 1400 patients undergoing elective or emergent laparotomy...
February 15, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29454913/restoring-th17-treg-balance-via-modulation-of-stat3-and-stat5-activation-contributes-to-the-amelioration-of-chronic-obstructive-pulmonary-disease-by-bufei-yishen-formula
#6
Peng Zhao, Jiansheng Li, Yange Tian, Jing Mao, Xuefang Liu, Suxiang Feng, Junzi Li, Qingqing Bian, Huige Ji, Lanxi Zhang
ETHNOPHARMACOLOGY RELEVANCE: Bufei Yishen formula (BYF), a Traditional Chinese Medicine (TCM), has been extensively applied in clinical treatment of chronic obstructive pulmonary disease (COPD) and provides an effective treatment strategy for the syndrome of lung-kidney qi deficiency in COPD patients. Here, we investigated its anti-COPD mechanism in COPD rats in relation to the balance between T helper (Th) 17 cells and regulatory T (Treg) cells. METHODS: Rat model of cigarette smoke- and bacterial infection-induced COPD was established, and orally treated with BYF for 12 consecutive weeks...
February 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29454654/invasive-pulmonary-aspergillosis-and-influenza-co-infection-in-immunocompetent-hosts-case-reports-and-review-of-the-literature
#7
Melisa M Shah, Eric I Hsiao, Carl M Kirsch, Amit Gohil, Supriya Narasimhan, David A Stevens
Invasive pulmonary aspergillosis (IPA) is classically considered an illness of severely immunocompromised patients with limited host defenses. However, IPA has been reported in immunocompetent but critically ill patients. This report describes two fatal cases of pathologically confirmed IPA in patients with influenza in the intensive care unit. One patient had influenza B infection, whereas the other had influenza A H1N1. Both patients died despite broad-spectrum antimicrobials, mechanical ventilation, and vasopressor support...
February 2, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29453670/incidence-and-drug-resistance-of-zoonotic-mycobacterium-bovis-infection-in-peshawar-pakistan
#8
Irfan Khattak, Muhammad Hassan Mushtaq, Sultan Ayaz, Sajid Ali, Anwar Sheed, Javed Muhammad, Muhammad Luqman Sohail, Haq Amanullah, Irshad Ahmad, Sadeeq Ur Rahman
Prevalence of zoonotic Mycobacterium bovis (bTB) disease in human population is underreported from the North of Pakistan. Here, we report on the proportion of human bTB disease among the overall TB patients, drug resistance pattern of bTB isolates, and knowledge, attitude, and practices (KAP)-based analysis of bTB disease. For this purpose, sputum samples from a total of 300 clinically diagnosed TB patients and 100 randomly selected school children suspected of pulmonary TB were processed by culture as well as polymerase chain reaction (PCR) for isolation, identification, and confirmation of Mycobacterium tuberculosis (mTB) and bTB species...
February 17, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29453279/il-12-il-18-cosignaling-in-human-macrophages-and-lung-epithelial-cells-activates-cathelicidin-and-autophagy-inhibiting-intracellular-mycobacterial-growth
#9
Rui Yang, Enzhuo Yang, Ling Shen, Robert L Modlin, Hongbo Shen, Zheng W Chen
The ability of Mycobacterium tuberculosis to block host antimicrobial responses in infected cells provides a key mechanism for disease pathogenesis. The immune system has evolved to overcome this blockade to restrict the infection, but it is not clear whether two key innate cytokines (IL-12/IL-18) involved in host defense can enhance antimycobacterial mechanisms. In this study, we demonstrated that the combination of IL-12 and IL-18 triggered an antimicrobial response against mycobacteria in infected macrophages (THP-1 and human primary monocyte-derived macrophages) and pulmonary epithelial A549 cells...
February 16, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29452288/repetitive-tlr-3-activation-in-the-lung-induces-skeletal-muscle-adaptations-and-cachexia
#10
Ted G Graber, Brandy L Rawls, Bing Tian, William J Durham, Camille R Brightwell, Allan R Brasier, Blake B Rasmussen, Christopher S Fry
Due to immunosenescence, older adults are particularly susceptible to lung-based viral infections, with increased severity of symptoms in those with underlying chronic lung disease. Repeated respiratory viral infections produce lung maladaptations, accelerating pulmonary dysfunction. Toll like 3 receptor (TLR3) is a membrane protein that senses exogenous double-stranded RNA to activate the innate immune response to a viral infection. Polyinosinic-polycytidylic acid [poly(I:C)] mimics double stranded RNA and has been shown to activate TLR3...
February 13, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29451944/total-hip-arthroplasty-in-patients-with-avascular-necrosis-after-hematopoietic-stem-cell-transplantation
#11
Anita Vijapura, Harlan B Levine, Michele Donato, Mark A Hartzband, Melissa Baker, Gregg R Klein
The immunosuppressive regimens required for hematopoietic stem cell transplantation predispose recipients to complications, including avascular necrosis. Cancer-related comorbidities, immunosuppression, and poor bone quality theoretically increase the risk for perioperative medical complications, infection, and implant-related complications in total joint arthroplasty. This study reviewed 20 primary total hip arthroplasties for avascular necrosis in 14 patients. Outcomes were assessed at routine clinical visits and Harris hip scores were calculated...
February 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29451594/nontuberculous-mycobacteria-in-milk-from-positive-cows-in-the-intradermal-comparative-cervical-tuberculin-test-implications-for-human-tuberculosis-infections
#12
Carmen Alicia Daza Bolaños, Marília Masello Junqueira Franco, Antonio Francisco Souza Filho, Cássia Yumi Ikuta, Edith Mariela Burbano-Rosero, José Soares Ferreira Neto, Marcos Bryan Heinemann, Rodrigo Garcia Motta, Carolina Lechinski de Paula, Amanda Bonalume Cordeiro de Morais, Simony Trevizan Guerra, Ana Carolina Alves, Fernando José Paganini Listoni, Márcio Garcia Ribeiro
Although the tuberculin test represents the main in vivo diagnostic method used in the control and eradication of bovine tuberculosis, few studies have focused on the identification of mycobacteria in the milk from cows positive to the tuberculin test. The aim of this study was to identify Mycobacterium species in milk samples from cows positive to the comparative intradermal test. Milk samples from 142 cows positive to the comparative intradermal test carried out in 4,766 animals were aseptically collected, cultivated on Lowenstein-Jensen and Stonebrink media and incubated for up to 90 days...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29451040/pulmonary-delivery-of-influenza-vaccine-formulations-in-cotton-rats-site-of-deposition-plays-a-minor-role-in-the-protective-efficacy-against-clinical-isolate-of-h1n1pdm-virus
#13
Yoshita Bhide, Jasmine Tomar, Wei Dong, Jacqueline de Vries-Idema, Henderik W Frijlink, Anke Huckriede, Wouter L J Hinrichs
Administration of influenza vaccines to the lungs could be an attractive alternative to conventional parenteral administration. In this study, we investigated the deposition site of pulmonary delivered liquid and powder influenza vaccine formulations and its relation to their immunogenicity and protective efficacy. In vivo deposition studies in cotton rats revealed that, the powder formulation was mainly deposited in the trachea ( ∼ 65%) whereas the liquid was homogenously distributed throughout the lungs ( ∼ 96%)...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29450586/the-host-control-of-a-clinical-isolate-strain-of-p-aeruginosa-infection-is-independent-of-nod-1-but-depends-on-myd88
#14
Fabiane Sônego, Fernanda V S Castanheira, Catarina V Horta, Alexandre Kanashiro, Paula G Czaikoski, Dario S Zamboni, José Carlos Alves-Filho, Fernando Q Cunha
OBJECTIVE AND DESIGN: The objective of this study was to investigate the role of Nod1 in the recruitment of neutrophils into the infection site and in the establishment of the inflammatory response elicited by a clinical isolate strain of P. aeruginosa in vivo, while comparing it to the well-established role of MyD88 in this process. SUBJECTS: Wild-type, Nod1 -/- and MyD88 -/- mice, all with a C57Bl/6 background. METHODS: Mice were intranasally infected with Pseudomonas aeruginosa DZ605...
February 15, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29450215/pulmonary-cavity-from-mycobacterium-malmoense-in-an-hiv-infected-patient-complicated-by-bronchopleural-fistula
#15
Eric Abston, Harrison Farber
We present a case of M. malmoense and HIV co-infection complicated by aspergilloma leading to bronchopleural fistula with intractable pneumothorax and pleural aspergillosis, ultimately requiring surgical intervention. Treatment guidelines for M. malmoense are reviewed, literature regarding M. malmoense and HIV co-infection is reviewed, and the epidemiology of M. malmoense in North America is discussed.
February 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29449406/complete-genome-sequence-of-mycobacterium-sp-strain-4858
#16
Amar Bouam, Anthony Levasseur, Maryline Bonnet, Laurence Borand, Charles Van Goethem, Michel Drancourt, Sylvain Godreuil
Mycobacterium sp. strain 4858 is a nontuberculous mycobacterium isolated from sputum in a Cambodian patient with a pulmonary infection. We report the first complete 5.6-Mbp-long genome sequence of Mycobacterium strain 4858, with 68.24% GC content, carrying 5,255 protein-coding genes, 47 tRNAs, and 3 rRNA genes.
February 15, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29449345/antimicrobial-activity-of-a-novel-bioengineered-honey-against-non-typeable-haemophilus-influenzae-biofilms-an-in-vitro-study
#17
Rachel S Newby, Matthew Dryden, Raymond N Allan, Rami J Salib
The opportunistic pathogen non-typeable Haemophilus influenzae (NTHi) plays an important role in many chronic respiratory diseases including otitis media, chronic rhinosinusitis, cystic fibrosis and chronic obstructive pulmonary disease. Biofilm formation has been implicated in NTHi colonisation, persistence of infection and recalcitrance towards antimicrobials. There is therefore a pressing need for the development of novel treatment strategies that are effective against NTHi biofilm-associated diseases. SurgihoneyRO is a honey-based product that has been bioengineered to enable the slow release of H 2 O 2 , a reactive oxygen species to which H...
February 15, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29449166/clinical-characteristics-and-treatment-outcomes-of-pulmonary-invasive-fungal-infection-among-adult-patients-with-hematological-malignancy-in-a-medical-centre-in-taiwan-2008-2013
#18
Chien-Yuan Chen, Wang-Huei Sheng, Feng-Ming Tien, Po-Chu Lee, Shang-Yi Huang, Jih-Luh Tang, Woei Tsay, Hwei-Fang Tien, Po-Ren Hsueh
BACKGROUND/PURPOSE: This study was aimed to investigate clinical characteristics and treatment outcomes of pulmonary invasive fungal infection (IFI) among patients with hematological malignancy. METHODS: All patients with hematological malignancy who were treated at a medical centre from 2008 to 2013 were evaluated. Pulmonary IFI was classified according to the European Organization for Research and Treatment of Cancer 2008 consensus. RESULTS: During the study period, 236 (11...
January 31, 2018: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29448830/pulmonary-mucormycosis-mimicking-an-endobronchial-mass
#19
Muhammet Sayan, Huseyin Arpag, Mahmut Tokur, Abdulkadir Yasir Bahar
Mucormycosis is an opportunistic fungal infection that can infect different regions of the body. This entity may present in rhinocerebral, pulmonary, cutaneous, and disseminated forms. Although pulmonary mucormycosis is usually seen as an invasive parenchymal consolidation or cavitation, it may rarely present as an endobronchial mass. We describe a case of endobronchial mucormycosis in which the fungal mass was completely removed via rigid bronchoscopy before medical therapy.
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29447854/risk-factors-associated-complications-for-postoperative-urinary-retention-after-lumbar-surgery-for-lumbar-spinal-stenosis
#20
Joshua L Golubovsky, Haariss Ilyas, Jinxiao Chen, Joseph E Tanenbaum, Thomas E Mroz, Michael P Steinmetz
BACKGROUND CONTEXT: Postoperative Urinary Retention (POUR) is a very common post-operative complication of all surgeries (5 - 70%) that may lead to complications such as urinary tract infection (UTI), bladder over-distention, autonomic dysregulation, and increased postoperative length of stay (LOS). Within the field of spine surgery, the reported incidence of POUR is highly variable (5.6 - 38%). Lack of clear stratification of surgical level, spinal pathology, and inadequate sample size is a major limitation of available studies concerning POUR following spine surgery that may lead to inconsistency in the incidence of POUR and the ability to model its occurrence and consequences...
February 12, 2018: Spine Journal: Official Journal of the North American Spine Society
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