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Diffuse lung diseases

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https://www.readbyqxmd.com/read/28229829/six-minute-walk-test-in-or-out-in-evaluation-of-systemic-sclerosis-patients
#1
Els Vandecasteele, Kristof Thevissen, Karin Melsens, Filip De Keyser, Michel De Pauw, Ellen Deschepper, Saskia Decuman, Yves Piette, Guy Brusselle, Vanessa Smith
OBJECTIVES: Interstitial lung disease (ILD) and pulmonary arterial hypertension (PAH) are the leading causes of death in systemic sclerosis (SSc) patients. Although the six-minute walk test (6MWT) is used for evaluating ILD and PAH in clinical practice, no data are available on six-minute walk distance (6MWD) and oxygen desaturation in SSc patients without ILD and PAH. METHODS: Prospectively collected data of the 6MWTs at baseline and 6-month follow-up of 300 consecutive SSc patients, included in the Ghent University Hospital Systemic Sclerosis Unit between May 2006 and April 2015 were analysed...
February 15, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28224381/an-ensemble-method-for-classifying-regional-disease-patterns-of-diffuse-interstitial-lung-disease-using-hrct-images-from-different-vendors
#2
Sanghoon Jun, Namkug Kim, Joon Beom Seo, Young Kyung Lee, David A Lynch
We propose the use of ensemble classifiers to overcome inter-scanner variations in the differentiation of regional disease patterns in high-resolution computed tomography (HRCT) images of diffuse interstitial lung disease patients obtained from different scanners. A total of 600 rectangular 20 × 20-pixel regions of interest (ROIs) on HRCT images obtained from two different scanners (GE and Siemens) and the whole lung area of 92 HRCT images were classified as one of six regional pulmonary disease patterns by two expert radiologists...
February 21, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28219747/is-pulmonary-diffusion-capacity-for-nitric-oxide-dl-no-likely-to-become-a-routine-pulmonary-function-test
#3
Irene Steenbruggen, Frans de Jongh
DL,CO measurements are often used to evaluate and monitor lung diseases as well as cardiovascular diseases. Whether the combination of DL,CO and DL,NO will improve the management of cardiovascular diseases needs to be investigated. It is hoped that the standardization of the DL,NO measurement will facilitate research. Scientific evidence that DL,NO can provide more accurate information than DL,CO alone, can take away the barriers that prevents DL,NO to become a routine test in pulmonology.
February 17, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28217966/pathogenesis-of-diffuse-alveolar-hemorrhage-in-murine-lupus
#4
Haoyang Zhuang, Shuhong Han, Pui Y Lee, Ravil Khaybullin, Stepan Shumyak, Li Lu, Amina Chatha, Anan Afaneh, Yuan Zhang, Chao Xie, Dina Nacionales, Lyle Moldawer, Xin Qi, Li-Jun Yang, Westley H Reeves
OBJECTIVE: Diffuse alveolar hemorrhage (DAH) in lupus patients is >50% fatal. The cause is unknown. The pathogenesis of DAH in C57BL/6 mice with pristane-induced lupus, a model of human lupus-associated DAH, was examined. METHODS: Clinical/pathological and immunological manifestations DAH in pristane-lupus were compared with human DAH. Tissue distribution of pristane was examined by mass spectrometry. Cell types responsible for disease were determined by in vivo depletion using clodronate liposomes (CloLip) and anti-neutrophil monoclonal antibodies (GR1)...
February 19, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28217253/miliary-tuberculosis-infection-during-hepatitis-c-treatment-with-sofosbuvir-and-ledipasvir-plus-ribavirin
#5
Maria Pilar Ballester-Ferré, Fernando Martínez, Natalia Garcia-Gimeno, Francisco Mora, Miguel A Serra
Chronic hepatitis C virus (HCV) infection is one of the main causes of chronic liver disease worldwide. In the last 5 years, treatment for HCV infection has experienced a marked development. In 2014, the use of ledipasvir/sofosbuvir with or without concomitant weight-based ribavirin was approved with a very significant increase in the sustained virological response. However, new side effects have been associated. We report the first case of an HCV infected patient treated for 12 wk with the combination of sofosbuvir/ledipasvir plus ribavirin who developed a miliary tuberculosis (TB) infection while on therapy...
January 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28209041/-pulmonary-intravascular-large-b-cell-lymphomamanifesting-as-interstitial-pneumonias-report-of-2-cases-and-review-of-literature
#6
T T Zhao, M S Cao, Y W Zhang, J H Dai, F Q Meng, H R Cai
Objective: To investigate the clinical, radiographic characteristics and prognosis of pulmonary intravascular large B-cell lymphoma(IVLBCL) manifesting as interstitial pneumonias on HRCT. Methods: A retrospective analysis was carried out on clinical data of 2 patients with pulmonary IVLBCL admitted to the Affiliated Drum Tower Hospital of Nanjing University from March 2010 to May 2012. A literature research was performed with "pulmonary intravascular lymphoma" as the key word in Wanfang Database, China Knowledge Resource Integrated Database and Pubmed...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28203428/multiple-cavitating-pulmonary-nodules-rare-manifestation-of-benign-metastatic-leiomyoma
#7
Sa Ra Lee, Youn-I Choi, Seok Jeong Lee, Sung Shine Shim, Jin Hwa Lee, Yoo Kyung Kim, Soon Hee Sung
Benign metastasizing leiomyoma (BML) is a rare disease of pathologically benign, but the tumor metastasizes to other organs. The most common organ involved in BML is lung. Pulmonary involvement usually manifested as multiple nodules on chest X-ray, however we experienced an interesting case of a 52-year-old premenopausal woman who presented with multiple bilateral lung cavitations and nodules on a chest X-ray without any respiratory symptoms. Chest computed-tomography identified multiple cavitary lesions of 5-12 mm in diameter and well-defined nodules of 5-10 mm in diameter in both lung fields...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28203420/the-diagnostic-yield-and-complications-of-open-lung-biopsies-in-kidney-transplant-patients-with-pulmonary-disease
#8
Daniere Yurie Vieira Tomotani, Antônio Tonete Bafi, Eduardo Souza Pacheco, Tainá Veras de Sandes-Freitas, Laila Almeida Viana, Edgar Porto de Oliveira Pontes, Nikkei Tamura, Hélio Tedesco-Silva, Flavia Ribeiro Machado, Flávio Geraldo Rezende Freitas
BACKGROUND: The purpose of this study was to assess the efficacy of open lung biopsy (OLB) in determining the specific diagnosis and the related complications in patients with undiagnosed diffuse pulmonary infiltrates. METHODS: This single center, retrospective study included adult kidney transplant patients who underwent OLB. The patients had diffuse pulmonary infiltrates without definitive diagnoses and failed to respond to empiric antibiotic treatment. We analyzed the number of specific diagnoses, changes in treatment and the occurrence of complications in these patients...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28199407/keratin14-mrna-expression-in-human-pneumocytes-during-quiescence-repair-and-disease
#9
Marco Confalonieri, Emanuele Buratti, Gabriele Grassi, Rossana Bussani, Marco Chilosi, Rossella Farra, Michela Abrami, Cristiana Stuani, Francesco Salton, Miriam Ficial, Paola Confalonieri, Lorenzo Zandonà, Maurizio Romano
The lung alveoli slowly self-renew pneumocytes, but their facultative regeneration capacity is rapidly efficient after an injury, so fibrosis infrequently occurs. We recently observed Keratin 14 (KRT14) expression during diffuse alveolar damage (DAD), but not in controls. We wonder if KRT14 may be a marker of pneumocyte transition from quiescence to regeneration. Quantitative PCR and Western blot analyses highlighted the presence of KRT14 (mRNA and protein) only in human lung samples with DAD or interstitial lung disease (ILD)...
2017: PloS One
https://www.readbyqxmd.com/read/28198571/pulmonary-mri-morphometry-modeling-of-airspace-enlargement-in-chronic-obstructive-pulmonary-disease-and-alpha-1-antitrypsin-deficiency
#10
Alexei Ouriadov, Eric Lessard, Khadija Sheikh, Grace Parraga
PURPOSE: We generated lung morphometry measurements using single-breath diffusion-weighted MRI and three different acinar duct models in healthy participants and patients with emphysema stemming from chronic obstructive lung disease (COPD) and alpha-1 antitrypsin deficiency (AATD). METHODS: Single-breath-inhaled (3) He MRI with five diffusion sensitizations (b-value = 0, 1.6, 3.2, 4.8, and 6.4 s/cm(2) ) was used, and signal intensities were fit using a cylindrical and single-compartment acinar-duct model to estimate MRI-derived mean linear intercept (Lm ) and surface-to-volume ratio (S/V)...
February 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28194087/occupational-bronchiolitis-induced-by-cotton-dust-exposure-in-a-nonsmoker
#11
Richa Mittal, Pawan Gupta, Sunil K Chhabra
The most well-known disease caused by cotton dust is byssinosis though it is also associated with chronic obstructive airways disease, and very rarely, interstitial lung disease. Obliterative bronchiolitis has never been reported in this setting. We report a 63-year-old, nonsmoker male, who presented with complaints of cough and exertional dyspnoea for 10 years. He had worked in textile industry for 35 years and symptoms had persisted even after quitting. Examination revealed prolonged expiration with expiratory wheeze, and pulmonary function tests revealed severe airflow limitation with air trapping and impaired diffusion capacity...
May 2016: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28194083/asbestos-induced-lung-disease-in-small-scale-clutch-manufacturing-workers
#12
Dipti Gothi, Tanushree Gahlot, Ram B Sah, Mayank Saxena, U C Ojha, Anand K Verma, Sonam Spalgais
BACKGROUND: The crocidolite variety of asbestos is banned. However, chrysotile, which is not prohibited, is still used in developing countries in making products such as clutch plate. Fourteen workers from a small-scale clutch plate-manufacturing factory were analyzed for asbestos-induced lung disease as one of their colleagues had expired due to asbestosis. AIMS: This study was conducted to evaluate the awareness of workers, the prevalence and type of asbestos-induced lung disease, and the sensitivity and specificity of diffusion test...
May 2016: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28191607/retrospective-study-of-the-clinical-characteristics-and-risk-factors-of-rheumatoid-arthritis-associated-interstitial-lung-disease
#13
Yongfeng Zhang, Hongbin Li, Nawei Wu, Xin Dong, Yi Zheng
This study aims to explore the clinical characteristics and risk factors of rheumatoid arthritis (RA)-associated interstitial lung disease (ILD). This is a retrospective study of 550 patients with RA. All patients underwent chest high-resolution computed tomography (HRCT) scanning. (1) Two hundred thirty-seven out of five hundred fifty (43.1%) patients with RA were diagnose with ILD. 13.5% ILD occurred before RA onset, 69.6% ILD occurred within 10 years of RA onset, and 16.9% ILD occurred more than 10 years after RA onset...
February 12, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28182861/diffuse-pulmonary-ossification-in-fibrosing-interstitial-lung-diseases-prevalence-and-associations
#14
Ryoko Egashira, Joseph Jacob, Maria A Kokosi, Anne-Laure Brun, Alexandra Rice, Andrew G Nicholson, Athol U Wells, David M Hansell
Purpose To investigate the prevalence of diffuse pulmonary ossification (DPO) in patients with fibrosing interstitial lung disease (ILD) and determine whether there are differences among the types of ILDs. Materials and Methods Institutional review board approval was given and patient consent was not required for this study. The study population comprised 892 consecutive patients with fibrosing ILD, including 456 patients with idiopathic pulmonary fibrosis (IPF) (men, 366; women, 90; median age, 72 years [range, 38-93 years]), 244 with nonspecific interstitial pneumonia (men, 79; women, 165; median age, 60...
February 9, 2017: Radiology
https://www.readbyqxmd.com/read/28174411/-primary-lung-cancer-associated-with-dilated-phase-of-hypertrophic-cardiomyopathy-report-of-a-case
#15
Takehiro Sakai, Takao Tsushima, Daisuke Kimura, Ryo Hatanaka, Masahiro Sawada, Yutaka Sato
A 66-year-old man diagnosed as dilated phase of hypertrophic cardiomyopathy (D-HCM) was pointed out an abnormal shadow on routine chest radiography. The patient had past medical history of hypertension, congestive heart failure and chronic obstructive pulmonary disease. The computed tomography showed a 3.8 cm-sized tumor in the left lower lobe of the lung, and histopathological examination revealed squamous cell carcinoma (cT2aN0-1M0, cStage I B-II A). Cardiosonography showed diffuse hypokinesis from basal to mid area, and ejection fraction was 36...
February 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28162043/chest-ultrasonography-in-health-surveillance-of-asbestos-related-lung-diseases
#16
Andrea Smargiassi, Giuliana Pasciuto, Ilaria Pedicelli, Erminia Lo Greco, Mariarosaria Calvello, Riccardo Inchingolo, Gioacchino Schifino, Patrizio Capoluongo, Pasquale Patriciello, Maurizio Manno, Alfonso Cirillo, Giuseppe Maria Corbo, Gino Soldati, Ivo Iavicoli
OBJECTIVES: Exposure to asbestos fibers can lead to different lung diseases, such as pleural thickening and effusion, asbestosis, mesothelioma, and lung cancer. These diseases are expected to peak in the next few years. The aim of the study was to validate ultrasonography (US) as a diagnostic tool in the management of lung diseases in subjects with a history of occupational exposure to asbestos. METHODS: Fifty-nine retired male workers previously exposed to asbestos were enrolled in the study...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28149568/recommendations-for-the-management-of-idiopathic-pulmonary-fibrosis-in-south-africa-a-position-statement-of-the-south-african-thoracic-society
#17
REVIEW
Coenraad F N Koegelenberg, Gillian M Ainslie, Keertan Dheda, Brian W Allwood, Michelle L Wong, Umesh G Lalloo, Mohamed S Abdool-Gaffar, Hoosain Khalfey, Elvis M Irusen
Idiopathic pulmonary fibrosis (IPF) is a very specific form of a chronic, progressive fibroproliferative interstitial pneumonia of unknown aetiology. The disease is generally associated with a poor prognosis. Several international evidence-based guidelines on the diagnosis and management of IPF and other interstitial lung diseases (ILDs) have been published and updated in the last decade, and while the body of evidence for the use of some treatment modalities has grown, others have been shown to be futile and even harmful to patients...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28149545/segmental-bronchi-collapsibility-computed-tomography-based-quantification-in-patients-with-chronic-obstructive-pulmonary-disease-and-correlation-with-emphysema-phenotype-corresponding-lung-volume-changes-and-clinical-parameters
#18
Christopher Kloth, Wolfgang Maximilian Thaiss, Hendrik Ditt, Jürgen Hetzel, Eva Schülen, Konstantin Nikolaou, Marius Horger
BACKGROUND: Global pulmonary function tests lack region specific differentiation that might influence therapy in severe chronic obstructive pulmonary disease (COPD) patients. Therefore, the aim of this work was to assess the degree of expiratory 3(rd) generation bronchial lumen collapsibility in patients with severe COPD using chest-computed tomography (CT), to evaluate emphysema-phenotype, lobar volumes and correlate results with pulmonary function tests. METHODS: Thin-slice chest-CTs acquired at end-inspiration & end-expiration in 42 COPD GOLD IV patients (19 females, median-age: 65...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28138763/-haemoptysis-intensive-care-management-of-pulmonary-hemorrhage
#19
J H Ficker, W M Brückl, J Suc, A Geise
There is a wide spectrum of severities in patients with pulmonary bleeding with a range from mild haemoptysis to severe bleeding with an acute risk of asphyxiation. For the management of acute pulmonary haemorrhage, it is essential to identify the underlying cause in order to initiate a target-oriented or causal therapy. The most common causes of localized pulmonary bleeding are lung cancer as well as infections, anticoagulant therapy or bronchiectasis. Diffuse alveolar haemorrhage is mostly due to pulmonary vasculitis or connective tissue disease, but may also occur in pulmonary metastasis, congestive heart failure, coagulation disorders and from many other causes...
January 30, 2017: Der Internist
https://www.readbyqxmd.com/read/28137485/fam13a-polymorphism-as-a-prognostic-factor-in-patients-with-idiopathic-pulmonary-fibrosis
#20
Chihiro Hirano, Shinichiro Ohshimo, Yasushi Horimasu, Hiroshi Iwamoto, Kazunori Fujitaka, Hironobu Hamada, Noboru Hattori, Nobuaki Shime, Francesco Bonella, Josune Guzman, Ulrich Costabel, Nobuoki Kohno
BACKGROUND: Family with sequence similarity 13, member A (FAM13A) variants have been associated with susceptibility to chronic lung diseases. A recent genome-wide association study has shown an association between a polymorphism in FAM13A rs2609255 and idiopathic interstitial pneumonias in a Caucasian population. However, the relationship between rs2609255 polymorphism and prognosis in idiopathic interstitial pneumonias has not been investigated. METHODS: Sixty-five patients with idiopathic pulmonary fibrosis (IPF) and 310 Japanese healthy volunteers were enrolled in this study...
February 2017: Respiratory Medicine
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