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interstitial lung disease lung function

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https://www.readbyqxmd.com/read/28530121/glucocorticoids-retain-bi-potent-fibroblast-progenitors-during-alveolar-septation-in-mice
#1
Stephen E McGowan, Diann M McCoy
Glucocorticoids have been widely used and exert pleiotropic effects on alveolar structure and function, but do not improve the long-term clinical outcomes for patients with bronchopulmonary dysplasia, emphysema, or interstitial lung diseases. Treatments which foster alveolar regeneration could substantially improve the long-term outcomes for such patients. One approach to alveolar regeneration is to stimulate and guide intrinsic alveolar progenitors along developmental pathways used during secondary septation...
May 21, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28523329/respiratory-bronchiolitis-associated-interstitial-lung-disease-an-unexpected-form-of-idiopathic-interstitial-pneumonia-in-a-young-male
#2
Claudia Lucia Toma, Elena Danteş, Diana Gabriela Leonte, Ariadna Petronela Fildan
Cigarette smoking is the most frequently encountered risk factor for chronic obstructive pulmonary disease and lung cancer. The latest American Thoracic Society÷European Respiratory Society classification of idiopathic interstitial pneumonia includes two entities related to smoking habits: respiratory bronchiolitis-associated interstitial lung disease and desquamative interstitial pneumonia. The new approach to diagnosis is to combine pathological pattern with clinical and radiological data. Lung biopsy is no longer considered the "gold standard" for diagnosis, but as a part of the diagnosis, which shall be set only after the pulmonologist, radiologist and pathologist reviewed all clinical, imaging and pathological aspects...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28502413/understanding-the-determinants-of-health-related-quality-of-life-in-rheumatoid-arthritis-associated-interstitial-lung-disease
#3
Jake G Natalini, Jeff J Swigris, Julie Morisset, Brett M Elicker, Kirk D Jones, Aryeh Fischer, Harold R Collard, Joyce S Lee
RATIONALE: Health-related quality of life (HRQL) is impaired among patients with interstitial lung disease (ILD). Little is understood about HRQL in specific subtypes of ILD. OBJECTIVES: The aim of this study was to characterize and identify clinical determinants of HRQL among patients with rheumatoid arthritis-associated interstitial lung disease (RA-ILD) and compare them to patients with idiopathic pulmonary fibrosis (IPF). METHODS: We identified patients with a diagnosis of RA-ILD and IPF from an ongoing longitudinal cohort of ILD patients...
June 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28500078/a-time-and-compartment-specific-activation-of-lung-macrophages-in-hypoxic-pulmonary-hypertension
#4
Steven C Pugliese, Sushil Kumar, William J Janssen, Brian B Graham, Maria G Frid, Suzette R Riddle, Karim C El Kasmi, Kurt R Stenmark
Studies in various animal models suggest an important role for pulmonary macrophages in the pathogenesis of pulmonary hypertension (PH). Yet, the molecular mechanisms characterizing the functional macrophage phenotype relative to time and pulmonary localization and compartmentalization remain largely unknown. In this study, we used a hypoxic murine model of PH in combination with FACS to quantify and isolate lung macrophages from two compartments over time and characterize their programing via RNA sequencing approaches...
May 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28491851/pemetrexed-induced-acute-kidney-failure-following-irreversible-renal-damage-two-case-reports-and-literature-review
#5
Tito Zattera, Francesco Londrino, Matteo Trezzi, Roberto Palumbo, Antonio Granata, Paola Tatangelo, Valentina Corbani, Valeria Falqui, Nadia Chiappini, Lisa Mathiasen, Marco Cavallini, Davide Rolla
BACKGROUND: Pemetrexed (PEM) is a new-generation multitargeted antifolate agent with a demonstrated broad-spectrum activity in several types of human cancers, including non-small cell lung cancer (NSCLC) and mesothelioma. Major side effects include dose-limiting hematologic toxicities. PEM nephrotoxicity is well known; however, its frequency is considered to be low. CASE PRESENTATION: Here we report two cases of acute kidney injury (AKI) related to PEM administration (500 mg/m2) in patients with NSCLC...
March 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28483105/comprehensive-and-individualized-patient-care-in-idiopathic-pulmonary-fibrosis-refining-approaches-to-diagnosis-prognosis-and-treatment
#6
Fernando J Martinez, Kevin R Flaherty
As seen in this CME online activity (available at http://courses.elseviercme.com/chest16/647e), idiopathic pulmonary fibrosis (IPF) is a specific form of chronic progressive fibrotic lung disease of unknown cause. It is the most common form of idiopathic interstitial pneumonia in adults. Its prevalence among US Medicare beneficiaries has more than doubled in the past 14 years. With the approval of two agents that reduce functional decline and disease progression, and the 2015 update of the American Thoracic Society guidelines on the treatment of IPF, the options for appropriate clinical management of the disease have become well defined...
May 2017: Chest
https://www.readbyqxmd.com/read/28472939/chronic-hypersensitivity-pneumonitis-identification-of-key-prognostic-determinants-using-automated-ct-analysis
#7
Joseph Jacob, Brian J Bartholmai, Ryoko Egashira, Anne Laure Brun, Srinivasan Rajagopalan, Ronald Karwoski, Maria Kokosi, David M Hansell, Athol U Wells
BACKGROUND: Chronic hypersensitivity pneumonitis (CHP) has a variable disease course. Computer analysis of CT features was used to identify a subset of CHP patients with an outcome similar to patients with idiopathic pulmonary fibrosis (IPF). METHODS: Consecutive patients with a multi-disciplinary team diagnosis of CHP (n = 116) had pulmonary function tests (FEV1, FVC, DLco, Kco, and a composite physiologic index [CPI]) and CT variables predictive of mortality evaluated by analysing visual and computer-based (CALIPER) parenchymal features: total interstitial lung disease (ILD) extent, honeycombing, reticular pattern, ground glass opacities, pulmonary vessel volume (PVV), emphysema, and traction bronchiectasis...
May 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28457404/lung-ultrasound-and-pulmonary-function-test-in-cirrhotic-patients
#8
P Osni Leão Perin, I de Fátma Ferreira Santana Boin, A M Oliveira da Silva, F Chueiri Neto, L C Martins
Lung ultrasound (LU) is useful in the diagnosis of pulmonary interstitial-alveolar syndrome (IAS) when B-lines are detected. Its prevalence and effect in lung function is not well studied in cirrhotic patients. The objective of this study was to detect the prevalence of interstitial-alveolar involvement with LU and correlate with pulmonary function test to distinguish the effect of ascites and B-lines in pulmonary function. This was an observational single-center study with 49 patients listed for liver transplantation submitted for LU and pulmonary function tests...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28456608/chronic-intermittent-hypoxia-worsens-bleomycin-induced-lung-fibrosis-in-rats
#9
Rudolf K Braun, Oleg Broytman, Felix M Braun, Jacqueline A Brinkman, Andrew Clithero, Dhruvangkumar Modi, David F Pegelow, Marlowe Eldridge, Mihaela Teodorescu
Obstructive sleep apnea (OSA) has been linked to increased mortality in pulmonary fibrosis. Its key feature, chronic intermittent hypoxia (CIH), can lead to oxidative stress and inflammation, known to lead to fibrotic pathology in other organs. We tested the effects of CIH in an animal model of bleomycin-induced lung fibrosis. Sprague Dawley rats were instilled intratracheally with bleomycin (Blm) or saline (Sal), and exposed to CIH or normal air (Norm) for 9 or 30 days. Pulmonary function was tested and lungs were harvested for histological and molecular analyses...
April 27, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28454677/clinical-algorithms-for-the-diagnosis-and-prognosis-of-interstitial-lung-disease-in-systemic-sclerosis
#10
Vanessa Hax, Markus Bredemeier, Ana Laura Didonet Moro, Thaís Rohde Pavan, Marcelo Vasconcellos Vieira, Eduardo Hennemann Pitrez, Rafael Mendonça da Silva Chakr, Ricardo Machado Xavier
INTRODUCTION: Interstitial lung disease (ILD) is currently the primary cause of death in systemic sclerosis (SSc). Thoracic high-resolution computed tomography (HRCT) is considered the gold standard for diagnosis. Recent studies have proposed several clinical algorithms to predict the diagnosis and prognosis of SSc-ILD. OBJECTIVE: To test the clinical algorithms to predict the presence and prognosis of SSc-ILD and to evaluate the association of extent of ILD with mortality in a cohort of SSc patients...
April 1, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28450283/surfactant-replacement-therapy-reduces-acute-lung-injury-and-collapse-induration-related-lung-remodeling-in-the-bleomycin-model
#11
Lilian Steffen, Clemens Ruppert, Heinz-Gerd Hoymann, Manuela Funke, Simone Ebener, Christina Kloth, Christian Mühlfeld, Matthias Ochs, Lars Knudsen, Elena Lopez-Rodriguez
Bleomycin-induced lung injury leads to surfactant dysfunction and permanent loss of alveoli due to a remodeling process called collapse induration. Collapse induration also occurs in acute interstitial lung disease and idiopathic pulmonary fibrosis in humans. We hypothesized that surfactant dysfunction aggravates lung injury and early remodeling resulting in collapse induration within 7 days after lung injury. Rats received bleomycin to induce lung injury and either repetitive surfactant replacement therapy (SRT: 100mg Curosurf®/kg BW=surf group)) or saline (0...
April 27, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28445586/predictors-of-outcome-among-patients-on-extracorporeal-membrane-oxygenation-as-a-bridge-to-lung-transplantation
#12
Amit Banga, Elizabeth Batchelor, Manish Mohanka, Srinivas Bollineni, Vaidehi Kaza, Jessica Mullins, Melissa Tran, Pietro Bajona, Matthias Peltz, Michael Wait, Fernando Torres
BACKGROUND: There is a lack of data regarding clinical variables associated with successful bridge to lung transplantation (LT) using extracorporeal membrane oxygenation (ECMO) support. METHODS: We reviewed the institutional database for patients supported with veno-venous (VV) or veno-arterial ECMO as a bridge to LT (n=25; mean age:50.6±14.2 years). We recorded clinical and laboratory variables, findings on echocardiogram and development of organ dysfunction along with hospital and one-year survival...
April 26, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28443582/high-resolution-computed-tomography-and-pulmonary-function-findings-of-occupational-arsenic-exposure-in-workers
#13
Recai Ergün, Ender Evcik, Dilek Ergün, Begüm Ergan, Esin Özkan, Özge Gündüz
BACKGROUND: The number of studies where non-malignant pulmonary diseases are evaluated after occupational arsenic exposure are very few. AIMS: The aim of this study is to show the effects of occupational arsenic exposure on the lung by high-resolution computed tomography (HRCT) and pulmonary function tests (PFTs). STUDY DESIGN: Retrospective cross-sectional study. METHODS: In this study 256 workers who were suspected respiratory occupational arsenic exposure are included, having average age 32...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28435843/mmp-7-is-a-predictive-biomarker-of-disease-progression-in-patients-with-idiopathic-pulmonary-fibrosis
#14
Yasmina Bauer, Eric S White, Simon de Bernard, Peter Cornelisse, Isabelle Leconte, Adele Morganti, Sebastien Roux, Oliver Nayler
Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease with poor prognosis, which is characterised by destruction of normal lung architecture and excessive deposition of lung extracellular matrix. The heterogeneity of disease progression in patients with IPF poses significant obstacles to patient care and prevents efficient development of novel therapeutic interventions. Blood biomarkers, reflecting pathobiological processes in the lung, could provide objective evidence of the underlying disease...
January 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28435277/role-of-pirfenidone-in-the-management-of-pulmonary-fibrosis
#15
REVIEW
Keith C Meyer, Catherine A Decker
Pulmonary fibrosis is associated with a number of specific forms of interstitial lung disease (ILD) and can lead to progressive decline in lung function, poor quality of life, and, ultimately, early death. Idiopathic pulmonary fibrosis (IPF), the most common fibrotic ILD, affects up to 1 in 200 elderly individuals and has a median survival that ranges from 3 to 5 years following initial diagnosis. IPF has not been shown to respond to immunomodulatory therapies, but recent trials with novel antifibrotic agents have demonstrated lessening of lung function decline over time...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28426895/short-term-pulmonary-function-trends-are-predictive-of-mortality-in-interstitial-lung-disease-associated-with-systemic-sclerosis
#16
Nicole S Goh, Rachel K Hoyles, Christopher P Denton, David M Hansell, Elisabetta A Renzoni, Toby M Maher, Andrew G Nicholson, Athol U Wells
OBJECTIVE: To determine the prognostic value of pulmonary function test (PFT) trends at one and two years in interstitial lung disease associated with systemic sclerosis (SSc-ILD). METHODS: The prognostic significance of PFT trends at one year (n=162), and two years (n=140) was examined against 15 year survival. PFT trends, expressed as continuous and categorical change in separate analyses, were examined against mortality in univariate and multivariate models. SSc-ILD was defined at presentation as limited lung fibrosis or extensive lung fibrosis using the UKRSA staging system...
April 20, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28410589/lung-involvement-in-childhood-onset-granulomatosis-with-polyangiitis
#17
REVIEW
Giovanni Filocamo, Sofia Torreggiani, Carlo Agostoni, Susanna Esposito
Granulomatosis with polyangiitis is an ANCA-associated systemic vasculitis with a low incidence in the pediatric population. Lung involvement is a common manifestation in children affected by granulomatosis with polyangiitis, both at disease's onset and during flares. Its severity is variable, ranging from asymptomatic pulmonary lesions to dramatic life-threatening clinical presentations such as diffuse alveolar haemorrhage. Several radiologic findings have been described, but the most frequent abnormalities detected are nodular lesions and fixed infiltrates...
April 14, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28408277/lung-transplantation-in-systemic-sclerosis-a-single-center-cohort-study
#18
Andreu Fernández-Codina, Cristina Berastegui, Iago Pinal-Fernández, María Guadalupe Silveira, Manuel López-Meseguer, Víctor Monforte, Alfredo Guillén-Del Castillo, Carmen Pilar Simeón-Aznar, Vicent Fonollosa-Plà, Joan Solé, Carlos Bravo-Masgoret, Antonio Román-Broto
OBJECTIVE: Lung transplantation (LT) has been proposed as a treatment for advanced Interstitial Lung Disease (ILD) and/or Pulmonary Hypertension (PH) associated to Systemic Sclerosis (SSc) but few studies have been reported. The aim of this study was to describe the clinical features, complications and survival of a single-center cohort of patients with SSc that underwent LT and to compare their survival with a group of non-SSc transplanted patients. METHODS: Fifteen patients with SSc were transplanted between May 2005 and April 2015...
April 10, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28396860/aortic-valve-replacement-for-moderate-aortic-stenosis-with-severe-calcification-and-left-ventricualr-dysfunction-a-case-report-and-review-of-the-literature
#19
Nikhil Narang, Roberto M Lang, Vladimir M Liarski, Valluvan Jeevanandam, Marion A Hofmann Bowman
A 55-year-old man with a history of erosive, seropositive rheumatoid arthritis (RA), and interstitial lung disease presented with shortness of breath. Echocardiography showed new-onset severe left ventricular (LV) dysfunction with an ejection fraction (EF) of 15% and moderately increased mean aortic valve gradient of 20 mmHg in a trileaflet aortic valve with severe sclero-calcific degeneration. Coronary angiography revealed no significant obstructive coronary disease. Invasive hemodynamic studies and dobutamine stress echocardiography were consistent with moderate aortic stenosis...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28393574/transbronchial-biopsies-safely-diagnose-amyloid-lung-disease
#20
Praveen Govender, Colleen M Keyes, Elizabeth A Hankinson, Carl J O'Hara, Vaishali Sanchorawala, John L Berk
BACKGROUND: Autopsy identifies lung involvement in 58-92% of patients with the most prevalent forms of systemic amyloidoses. In the absence of lung biopsies, amyloid lung disease often goes unrecognized. Report of a death following transbronchial biopsies in a patient with systemic amyloidosis cautioned against the procedure in this patient cohort. We reviewed our experience with transbronchial biopsies in patients with amyloidosis to determine the safety and utility of bronchoscopic lung biopsies...
April 10, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
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