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https://www.readbyqxmd.com/read/29048473/use-of-taurolidine-in-lung-transplantation-for-cystic-fibrosis-and-impact-on-bacterial-colonization
#1
Mohamed Zeriouh, Anton Sabashnikov, Nikhil P Patil, Bastian Schmack, Barlomiej Zych, Prashant N Mohite, Diana García Sáez, Achim Koch, Ashham Mansur, Simona Soresi, Alexander Weymann, Nandor Marczin, Thorsten Wahlers, Fabio De Robertis, André Rüdiger Simon, Aron-Frederik Popov
OBJECTIVES: The presence of bacterial colonization that causes chronic pulmonary infections in cystic fibrosis (CF) patients remains a key issue before lung transplantation. We sought to assess the impact of intraoperative taurolidine lavage on bacterial colonization and long-term outcomes following lung transplantation in CF patients. METHODS: Between 2007 and 2013, 114 CF patients underwent lung transplantation at our institute, and taurolidine 2% bronchial lavage was applied in a substantial proportion of patients (n = 42)...
October 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28988958/mycobacterium-abscessus-and-massiliense-lung-infection-during-macrolide-treatment-for-bronchiolitis-obliterans-after-allogeneic-hematopoietic-stem-cell-transplantation
#2
Noriko Miyake, Yong Chong, Ruriko Nishida, Katsuto Takenaka, Koji Kato, Toshihiro Miyamoto, Akio Aono, Akiko Takaki, Satoshi Mitarai, Shinji Shimoda, Nobuyuki Shimono, Koichi Akashi
In patients undergoing allogeneic hematopoietic stem cell transplantation (allo-SCT), post-transplant lung infection is critical for their prognosis. Mycobacterium abscessus complex is not fully recognized as a nontuberculous mycobacteria (NTM) pathogen of post-SCT lung infection. Here, we present three post-allogeneic SCT patients who developed pulmonary infection caused by M. abscessus complex including M. abscessus and M. massiliense. In all three cases, macrolide antibiotics had been administered for bronchiolitis obliterans syndrome (BOS) before the confirmation of their infection, and macrolide resistance was noted in the M...
October 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28987320/lung-development-regeneration-and-plasticity-from-disease-physiopathology-to-drug-design-using-induced-pluripotent-stem-cells
#3
REVIEW
Engi Ahmed, Caroline Sansac, Said Assou, Delphine Gras, Aurélie Petit, Isabelle Vachier, Pascal Chanez, John De Vos, Arnaud Bourdin
Lungs have a complex structure composed of different cell types that form approximately 17 million airway branches of gas-delivering bronchioles connected to 500 million gas-exchanging alveoli. Airways and alveoli are lined by epithelial cells that display a low rate of turnover at steady-state, but can regenerate the epithelium in response to injuries. Here, we review the key points of lung development, homeostasis and epithelial cell plasticity in response to injury and disease, because this knowledge is required to develop new lung disease treatments...
October 4, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28987219/role-of-viral-infections-in-the-development-and-exacerbation-of-asthma-in-children
#4
REVIEW
Tuomas Jartti, James E Gern
Viral infections are closely linked to wheezing illnesses in children of all ages. Respiratory syncytial virus (RSV) is the main causative agent of bronchiolitis, whereas rhinovirus (RV) is most commonly detected in wheezing children thereafter. Severe respiratory illness induced by either of these viruses is associated with subsequent development of asthma, and the risk is greatest for young children who wheeze with RV infections. Whether viral illnesses actually cause asthma is the subject of intense debate...
October 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28985369/reducing-early-career-general-practitioners-antibiotic-prescribing-for-respiratory-tract-infections-a-pragmatic-prospective-non-randomised-controlled-trial
#5
Parker Magin, Amanda Tapley, Simon Morgan, Joshua S Davis, Patrick McElduff, Lucy Yardley, Kim Henderson, Anthea Dallas, Lawrie McArthur, Katie Mulquiney, Andrew Davey, Paul Little, Neil Spike, Mieke L van Driel
Background: Inappropriate antibiotic prescription and consequent antibacterial resistance is a major threat to healthcare. Objectives: To evaluate the efficacy of a multifaceted intervention in reducing early career general practitioners' (GPs') antibiotic prescribing for upper respiratory tract infections (URTIs) and acute bronchitis/bronchiolitis. Methods: A pragmatic non-randomized trial employing a non-equivalent control group design nested within an existing cohort study of GP registrars' (trainees') clinical practice...
July 17, 2017: Family Practice
https://www.readbyqxmd.com/read/28968829/the-ns1-protein-of-respiratory-syncytial-virus-blocks-glucocorticoid-receptor-nuclear-translocation-by-targeting-ipo13-may-account-for-glucocorticoid-insensitive
#6
Jun Xie, Xiaoru Long, Leiqiong Gao, Sisi Chen, Keting Zhao, Wei Li, Na Zhou, Na Zang, Yu Deng, Luo Ren, Lijia Wang, Zhengxiu Luo, Wenwei Tu, Xiaodong Zhao, Zhou Fu, Xiaohong Xie, Enmei Liu
In spite of their powerful anti-inflammatory effect, glucocorticoids have shown no significant clinical benefit in respiratory syncytial virus (RSV)-induced bronchiolitis, the reason for which remains unclear. Upon glucocorticoid binding, the cytoplasmic glucocorticoid receptor (GR) translocates to the nucleus with the help of importin-13 (IPO13). Here, we report that RSV infection reduced GR nuclear translocation in the nasopharyngeal aspirate (NPA) of the RSV-infected infants, lungs of infected mice, and A549 cells, which coincided with decreased IPO13 expression...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28968457/natural-course-of-the-nodular-bronchiectatic-form-of-mycobacterium-avium-complex-lung-disease-long-term-radiologic-change-without-treatment
#7
Tae Yun Park, Semin Chong, Jae-Woo Jung, In Won Park, Byoung Whui Choi, Changwon Lim, Chang Un Lee, Yang Soo Kim, Hye Won Choi, Jae Chol Choi
BACKGROUND/PURPOSE: Although the incidence of Mycobacterium avium complex (MAC) lung disease is increasing, the long-term natural course of the nodular bronchiectatic form of MAC lung disease is not well described. The objective of our study is to evaluate long-term radiologic changes in untreated MAC lung disease by analyzing serial chest computed tomography (CT) scan findings. METHODS: Of 104 patients with MAC lung disease, we selected 40 untreated nodular bronchiectatic MAC patients who underwent serial chest CTs without treatment for at least four years (mean = 6...
2017: PloS One
https://www.readbyqxmd.com/read/28962520/editor-s-highlight-complete-attenuation-of-mouse-lung-cell-proliferation-and-tumorigenicity-in-cyp2f2-knockout-and-cyp2f1-humanized-mice-exposed-to-inhaled-styrene-for-up-to-2%C3%A2-years-supports-a-lack-of-human-relevance
#8
George Cruzan, James S Bus, Marcy I Banton, Satinder S Sarang, Robbie Waites, Debra B Layko, James Raymond, Darol Dodd, Melvin E Andersen
Styrene is a mouse-specific lung carcinogen, and short-term mode of action studies have demonstrated that cytotoxicity and/or cell proliferation, and genomic changes are dependent on CYP2F2 metabolism. The current study examined histopathology, cell proliferation, and genomic changes in CD-1, C57BL/6 (WT), CYP2F2(-/-) (KO), and CYP2F2(-/-) (CYP2F1, 2B6, 2A13-transgene) (TG; humanized) mice following exposure for up to 104 weeks to 0- or 120-ppm styrene vapor. Five mice per treatment group were sacrificed at 1, 26, 52, and 78 weeks...
October 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28956954/hiv-related-chronic-lung-disease-in-adolescents-are-we-prepared-for-the-future
#9
Pierre Goussard, Robert P Gie
Chronic lung diseases (CLD) are the most chronic disease occurring in adolescents living with human immunodeficiency virus (ALHIV). In ALHIV who received antiretroviral therapy (ART) late in childhood, bronchiectasis, bronchiolitis obliterans and interstitial pneumonitis are common. In adolescents who received ART early in life the spectrum of CLD has changed with asthma and chronic obstructive pulmonary disease being common. Areas covered: The aim of this paper was to review CLD in ALHIV. We conducted a literature review of electronic databases focusing on CLD that were common prior to the introduction of ART (1996-2004), the present situation where ART is widely available (2005 to 2016), and articles which aided us speculating on the impact of HIV-related CLD in adolescents transitioning to adult HIV-clinics...
September 28, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28952459/continuous-positive-airway-pressure-in-bronchiolitis-a-randomized-controlled-trial
#10
Sandeep Narayan Lal, Jaspreet Kaur, Pooja Anthwal, Pinky Bahl, Jacob M Puliyel
OBJECTIVE: To evaluate the efficacy of nasal continuous positive airway pressure (nCPAP) in decreasing respiratory distress in bronchiolitis. DESIGN: Randomized controlled trial. SETTING: Tertiary-care hospital in New Delhi, India. PARTICIPANTS: 72 infants (age <1y) hospitalized with a clinical diagnosis of bronchiolitis were randomized to receive standard care, or nCPAP in addition to standard care, in the first hour after admission...
September 26, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28945290/treatment-methods-for-respiratory-syncytial-virus-bronchiolitis-need-to-be-evaluated-before-they-are-introduced-on-a-large-scale
#11
EDITORIAL
Bill Hesselmar
No abstract text is available yet for this article.
September 25, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28932572/chronic-lung-allograft-dysfunction-phenotypes-and-treatment
#12
REVIEW
Stijn E Verleden, Robin Vos, Bart M Vanaudenaerde, Geert M Verleden
Chronic lung allograft dysfunction (CLAD) remains a major hurdle limiting long-term survival post lung transplantation. Given the clinical heterogeneity of CLAD, recently two phenotypes of CLAD have been defined [bronchiolitis obliterans syndrome (BOS) vs. restrictive allograft syndrome (RAS) or restrictive CLAD (rCLAD)]. BOS is characterized by an obstructive pulmonary function, air trapping on CT and obliterative bronchiolitis (OB) on histopathology, while RAS/rCLAD patients show a restrictive pulmonary function, persistent pleuro-parenchymal infiltrates on CT and pleuroparenchymal fibro-elastosis on biopsies...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28926522/bos-is-associated-with-increased-cytotoxic-proinflammatory-cd8-t-nkt-like-and-nk-cells-in-the-small-airways
#13
Greg Hodge, Sandra Hodge, Aeneas Yeo, Phan Nguyen, Emily Hopkins, Chien-Li Holmes-Liew, Paul N Reynolds, Mark Holmes
BACKGROUND: Immunosuppression therapy after lung transplantation fails to prevent bronchiolitis obliterans syndrome (BOS) in many patients, primarily a disease of the small airways. We have reported that BOS is associated with a lack of suppression of cytotoxic mediators, and proinflammatory cytokines, in peripheral blood T, NKT-like (particularly CD8+) and NK cells. We also showed a loss of glucocorticoid receptor (GCR) in proinflammatory lymphocytes after transplant. It is unknown whether these proinflammatory lymphocytes target the small and/or large airways in BOS...
October 2017: Transplantation
https://www.readbyqxmd.com/read/28905075/ouabain-attenuates-ovalbumin-induced-airway-inflammation
#14
José Guilherme F M Galvão, Luiz Henrique Agra Cavalcante-Silva, Deyse Cristina M Carvalho, Laércia Karla D P Ferreira, Talissa Mozzini Monteiro, Adriano Francisco Alves, Larissa Adilis M P Ferreira, Francisco Allysson A F Gadelha, Marcia Regina Piuvezam, Sandra Rodrigues-Mascarenhas
PURPOSE: Ouabain, an Na(+)/K(+)-ATPase inhibitor hormone, presents immunomodulatory actions, including anti-inflammatory effect on acute inflammation models. METHODS: In the present study, the effect of ouabain in a model of allergic airway inflammation induced by ovalbumin (OVA) was assessed. RESULTS: Initially, it was observed that ouabain treatment inhibited cellular migration induced by OVA on bronchoalveolar lavage fluid (BALF), mostly granulocytes, without modulating macrophage migration...
September 13, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28900158/dynamic-oropharyngeal-and-faecal-microbiota-during-treatment-in-infants-hospitalized-for-bronchiolitis-compared-with-age-matched-healthy-subjects
#15
Qian Hu, Wenkui Dai, Qian Zhou, Dan Fu, Yuejie Zheng, Wenjian Wang, Yanhong Liu, Qin Yang, Dongling Dai, Sixi Liu, Guosheng Liu, Shuaicheng Li, Feiqiu Wen
Bronchiolitis is one of the most severe diseases affecting infants worldwide. An imbalanced oropharynx (OP) microbiota has been reported in infants hospitalized with bronchiolitis; however, the microbiota dynamics in the OP and faeces during therapy remain unexplored. In total, 27 infants who were hospitalized with bronchiolitis were selected for this study, and sampling was conducted before therapy and after clinical recovery. We also recruited 22 age-matched healthy infants for this study. The faecal and OP microbiota diversity in the patients was lower than that in the healthy children...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28894914/effect-of-rituximab-on-pulmonary-function-in-bronchiolitis-obliterans-syndrome-due-to-graft-versus-host-disease
#16
Kyle R Brownback, Laura A Thomas, Joseph P McGuirk, Siddhartha Ganguly, Christopher Streiler, Sunil Abhyankar
PURPOSE: Rituximab is an anti-CD20 monoclonal antibody that is used to suppress B-cell function in graft-versus-host-disease (GVHD). We sought to determine the effects of rituximab treatment on lung function in those patients with bronchiolitis obliterans syndrome (BOS) as a manifestation of GVHD. METHODS: Thirteen patients were treated with rituximab with a diagnosis of BOS and a significant reduction in the forced expiratory volume in 1 s (FEV1) after hematopoietic stem cell transplantation (HSCT)...
September 11, 2017: Lung
https://www.readbyqxmd.com/read/28877978/how-i-manage-pulmonary-langerhans-cell-histiocytosis
#17
Gwenaël Lorillon, Abdellatif Tazi
Pulmonary Langerhans cell histiocytosis (PLCH) is a rare sporadic cystic lung disease of unknown aetiology that is characterised by the infiltration and destruction of the wall of distal bronchioles by CD1a(+) Langerhans-like cells. In adults, PLCH is frequently isolated and affects young smokers of both sexes. Recent multicentre studies have led to the more standardised management of patients in clinical practice. Smoking cessation is essential and is occasionally the only suitable intervention. Serial lung function testing is important because a significant proportion of patients may experience an early decline in forced expiratory volume in 1 s and develop airflow obstruction...
September 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28877826/clinical-analysis-of-unicentric-castleman-s-disease-with-paraneoplastic-pemphigus-and-bronchiolitis-obliterans
#18
Jun-Feng Zhen, Lu Zhang, Xin-Xin Cao, Jun Feng, Dao-Bin Zhou, Song-Bai Lin, Jian Li
Objective To investigate the clinical features of unicentric Castleman's disease(UCD)with paraneoplastic pemphigus(PNP)and bronchiolitis obliterans(BO).Method Data of UCD patients with PNP and BO from Peking Union Medical College Hospital were retrospectively analyzed,along with literatures review. Results Totally 23 cases(11 males and 12 females)were enrolled.The median age was 31 years(13-56 years).The most common pathological type was hyaline-vascular variant(91.4%),and most tumors located in abdominopelvic cavity(69...
August 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28871078/impact-of-forced-expiratory-volume-in-1-second-fev1-and-6-minute-walking-distance-at-3-6-and-12-months-and-annually-on-survival-and-occurrence-of-bronchiolitis-obliterans-syndrome-bos-after-lung-transplantation
#19
Mohammed Fakhro, Richard Ingemansson, Lars Algotsson, Sandra Lindstedt
BACKGROUND Development of bronchiolitis obliterans syndrome (BOS) is a great limitation for patient survival in lung transplantation (LTx). A curative treatment for BOS is still missing, and in terminal stages re-transplantation (Re-LTx) is the only salvation. It is possible to slow the progress of BOS if it is detected at an early stage. This might be possible by assessing pulmonary function pattern. MATERIAL AND METHODS Between 1990 and 2014, 278 patients underwent LTx at Skåne University Hospital, Sweden...
September 5, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28859915/viral-bronchiolitis-in-young-infants-new-perspectives-for-management-and-treatment
#20
REVIEW
Mauricio T Caballero, Fernando P Polack, Renato T Stein
OBJECTIVE: The aim of this review was to address advances in management and treatment of acute viral bronchiolitis in infants. SOURCES: A systematic review search was made including all articles published in English between 2010 and 2017, and available in the electronic databases PubMed and Cochrane Central Register of Controlled Trials (CENTRAL) and specialized register of the Acute Respiratory Infections Group (Cochrane review group). The following MESH terms in English were included, using different Boolean operators for the search strategy: "bronchiolitis, viral," "diagnosis," "epidemiology," "etiology," "therapy," "virology," "prevention and control," "respiratory syncytial virus, human...
August 30, 2017: Jornal de Pediatria
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