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https://www.readbyqxmd.com/read/29150612/health-impact-of-e-cigarettes-a-prospective-3-5-year-study-of-regular-daily-users-who-have-never-smoked
#1
Riccardo Polosa, Fabio Cibella, Pasquale Caponnetto, Marilena Maglia, Umberto Prosperini, Cristina Russo, Donald Tashkin
Although electronic cigarettes (ECs) are a much less harmful alternative to tobacco cigarettes, there is concern as to whether long-term ECs use may cause risks to human health. We report health outcomes (blood pressure, heart rate, body weight, lung function, respiratory symptoms, exhaled breath nitric oxide [eNO], exhaled carbon monoxide [eCO], and high-resolution computed tomography [HRCT] of the lungs) from a prospective 3.5-year observational study of a cohort of nine daily EC users (mean age 29.7 (±6...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29149883/serum-concentrations-of-krebs-von-den-lungen-6-surfactant-protein-d-and-matrix-metalloproteinase-2-as-diagnostic-biomarkers-in-patients-with-asbestosis-and-silicosis-a-case-control-study
#2
Changjiang Xue, Na Wu, Xue Li, Meihua Qiu, Xuqin Du, Qiao Ye
BACKGROUND: Asbestosis and silicosis are progressive pneumoconioses characterized by interstitial fibrosis following exposure to asbestos or silica dust. We evaluated the potential diagnostic biomarkers for these diseases. METHODS: The serum concentrations of Krebs von den Lungen-6 (KL-6), surfactant protein D (SP-D), and matrix metalloproteinase-2 (MMP-2), MMP-7, and MMP-9 were measured in 43 patients with asbestosis, 45 patients with silicosis, 40 dust-exposed workers (DEWs) without pneumoconiosis, and 45 healthy controls (HCs)...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29143072/the-extent-of-ground-glass-attenuation-is-a-risk-factor-of-chemotherapy-related-exacerbation-of-interstitial-lung-disease-in-patients-with-non-small-cell-lung-cancer
#3
Takeshi Masuda, Chihiro Hirano, Yasushi Horimasu, Taku Nakashima, Shintarou Miyamoto, Hiroshi Iwamoto, Shinichiro Ohshimo, Kazunori Fujitaka, Hironobu Hamada, Noboru Hattori
OBJECTIVES: Chemotherapy-related acute exacerbation (AE) of interstitial lung disease (ILD) is observed in certain patients with non-small cell lung cancer (NSCLC) who have ILD. Although the prognosis of AE-ILD is extremely poor, there are no established risk factors for its occurrence. Therefore, we retrospectively investigated whether high-resolution computed tomography (HRCT) findings could identify risk factors for AE-ILD. MATERIALS AND METHODS: Between January 2005 and December 2016, 35 patients with NSCLC who received chemotherapy at Hiroshima University Hospital and were diagnosed with ILD on HRCT were enrolled...
November 15, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29141314/-a-novel-compound-heterozygous-mutation-in-abca3-gene-in-a-child-with-diffuse-parenchymal-lung-disease
#4
Y M Bao, X L Liu, X L Liu, J H Chen, Y J Zheng
Objective: To summarize the clinical characteristics of the diffuse parenchymal lung diseases in a child caused by a novel compound heterozygous ABCA3 mutation and explore the association between the phenotype and ABCA3 mutation. Method: The clinical material of a patient diagnosed with diffuse parenchymal lung disease with ABCA3 mutation in December 2016 in Shenzhen Children's Hospital was analyzed. The information about ABCA3 gene mutation updated before April, 2017 was searched and collected from the gene databases (including 1000Genomes, HGMD, EXAC) and the literatures (including Wanfang Chinese database and Pubmed)...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29139195/phenotypic-characteristics-associated-with-slow-gait-speed-in-idiopathic-pulmonary-fibrosis
#5
Claire M Nolan, Matthew Maddocks, Toby M Maher, Jane L Canavan, Sarah E Jones, Ruth E Barker, Suhani Patel, Joseph Jacob, Paul Cullinan, William D-C Man
BACKGROUND AND OBJECTIVE: Usual gait speed over 4 m (4MGS) is an established functional performance measure in older adults that consistently predicts adverse health outcomes, but few data exist in idiopathic pulmonary fibrosis (IPF). We assessed the reliability of 4MGS, its relationship with established outcome measures and its responsiveness to pulmonary rehabilitation. METHODS: In four prospective IPF cohorts, 4MGS inter-observer (n = 46) and test-retest (n = 46) reliability, concurrent validity (n = 65 and n = 62) and responsiveness (n = 60) were determined...
November 14, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29124658/atypical-hrct-manifestations-of-pulmonary-sarcoidosis
#6
Diletta Cozzi, Elena Bargagli, Alessandro Giuseppe Calabrò, Elena Torricelli, Federico Giannelli, Edoardo Cavigli, Vittorio Miele
PURPOSE: To present our experience of cases of pulmonary sarcoidosis with atypical HRCT patterns found during 2016 focusing on the differential diagnosis to contribute to the difficult role of the radiologist in the disease identification and to help the clinicians to reach the diagnosis. MATERIALS AND METHODS: The HRCT examinations of 47 patients with sarcoidosis were studied retrospectively. All patients had a histopathological confirm of the disease. 29 (61.7%) show a typical pulmonary pattern and 18 (38...
November 9, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/29121645/novel-lung-imaging-biomarkers-and-skin-gene-expression-subsetting-in-dasatinib-treatment-of-systemic-sclerosis-associated-interstitial-lung-disease
#7
Viktor Martyanov, Grace-Hyun J Kim, Wendy Hayes, Shuyan Du, Bishu J Ganguly, Oumar Sy, Sun Ku Lee, Galina S Bogatkevich, Gary L Schieven, Elena Schiopu, Roberta Gonçalves Marangoni, Jonathan Goldin, Michael L Whitfield, John Varga
BACKGROUND: There are no effective treatments or validated clinical response markers in systemic sclerosis (SSc). We assessed imaging biomarkers and performed gene expression profiling in a single-arm open-label clinical trial of tyrosine kinase inhibitor dasatinib in patients with SSc-associated interstitial lung disease (SSc-ILD). METHODS: Primary objectives were safety and pharmacokinetics. Secondary outcomes included clinical assessments, quantitative high-resolution computed tomography (HRCT) of the chest, serum biomarker assays and skin biopsy-based gene expression subset assignments...
2017: PloS One
https://www.readbyqxmd.com/read/29118864/rituximab-treatment-in-patients-with-systemic-sclerosis-and-interstitial-lung-disease
#8
Abdel Gaffar A Mohammed, Ammar Alshihre, Ibrahim Abdulrazag Al-Homood
There is increasing interest in rituximab (RTX) as an alternative to cyclophosphamide for the treatment of interstitial lung diseases (ILDs) associated with systemic sclerosis (SSc). However, no report has addressed its efficacy in Saudi patients with SSc-ILD. To assess the efficacy of RTX treatment in Saudi patients with SSc-ILD, hospital records were reviewed between 2013 and 2016. Four female patients received at least 4 cycles of RTX (I cycle, consisting of two infusions of 1000 mg 2 weeks apart). Pulmonary function tests (PFTs) and chest high-resolution computed tomography (HRCT) were performed before and after treatment to assess the response...
October 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/29099646/emphysematous-phenotype-is-characterized-by-low-blood-eosinophils-a-cross-sectional-study
#9
Andriana I Papaioannou, Konstantinos Kostikas, Anastasia Papaporfyriou, Leonidas Angelakis, Evgenia Papathanasiou, Georgios Hillas, Argyro Mazioti, Petros Bakakos, Nikolaos Koulouris, Spyros Papiris, Stelios Loukides
Sputum and blood eosinophils are proposed as candidate biomarkers for the identification of chronic obstructive pulmonary disease (COPD) patients at risk for exacerbation and treatment response. In this study, we evaluated the associations of eosinophils with the presence of emphysema in COPD patients. Induced sputum and blood eosinophil measurements were performed in consecutive COPD patients. Patients underwent lung function testing and high resolution computed tomography (HRCT) of the chest and the presence of emphysema was quantified...
November 3, 2017: COPD
https://www.readbyqxmd.com/read/29099620/reliability-and-minimal-clinically-important-differences-of-forced-vital-capacity-results-from-the-scleroderma-lung-studies-sls-i-and-sls-ii
#10
Suzanne Kafaja, Philip J Clements, Holly Wilhalme, Chi-Hong Tseng, Daniel E Furst, Grace Hyun Kim, Jonathan Goldin, Elizabeth R Volkmann, Michael D Roth, Donald P Tashkin, Dinesh Khanna
OBJECTIVES: To assess the reliability and the minimal clinically important differences (MCID) for FVC% predicted in the Scleroderma Lung Study I and II. METHODS: Using data from SLS I and II (N=300), we evaluated the test-retest reliability for FVC% predicted (FVC%; screening vs. baseline) using intra-class correlation (ICC). MCID estimates at 12 months were calculated in the pooled cohort (SLS-I and II) using 2 anchors: Transition Dyspnea Index (≥change of 1...
November 3, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29099023/exacerbations-in-copd-patients-with-bronchiectasis
#11
Jordan Minov, Saso Stoleski, Dragan Mijakoski, Kristin Vasilevska, Aneta Atanasovska
There is evidence that coexisting bronchiectasis (BE) in patients with chronic obstructive pulmonary disease (COPD) aggravates the course of the disease. In this study, we aimed to evaluate the frequency and severity of bacterial exacerbations in COPD patients with BE. The frequency and duration of bacterial exacerbations treated in a 12-month period, as well as the duration of the exacerbation-free interval, were evaluated in 54 patients with COPD (Group D) who were diagnosed and assessed according to official recommendations...
April 11, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29095306/clinical-features-of-secondary-pulmonary-alveolar-proteinosis-associated-with-myelodysplastic-syndrome-two-case-reports
#12
Yin Liu, Lu Lu Chen, Yu Ying Qiu, Yong Long Xiao, Hou Rong Cai
RATIONALE: Pulmonary alveolar proteinosis (PAP) is a rare lung disorder characterized by the abnormal accumulation of alveolar surfactant protein in alveolar spaces. Secondary PAP can result from myelodysplastic syndrome (MDS). PATIENT CONCERNS: But most reports described a single case; here we reported 2 cases of PAP secondary to MDS. One case developed secondary PAP at the same time as MDS, and the other developed during the course of MDS. DIAGNOSES: The diagnosis of PAP was made by bronchoalveolar lavage and based on the identification of periodic acid-Schiff-positive proteinaceous material...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29094803/incidence-and-radiologic-pathological-features-of-lung-cancer-in-idiopathic-pulmonary-fibrosis
#13
Yan Liu, Min Zhu, Jing Geng, Chengjun Ban, Shu Zhang, Wenhui Chen, Yanhong Ren, Xuan He, Wang Chen, Huaping Dai
OBJECTIVE: To investigate the incidence and risk factors of lung cancer in patients with idiopathic pulmonary fibrosis (IPF), and to learn the clinical, imaging and pathological features and of lung cancer in IPF. METHODS: The study population included consecutive 268 IPF patients. Of them, 46 patients had pathologically or cytologically proven lung cancer. The demographic, clinical, HRCT, and pathological features in patients with IPF and lung cancer were analyzed and compared with the patients with IPF alone...
November 2, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29094021/the-asthma-and-chronic-obstructive-pulmonary-disease-overlap-syndrome-in-tertiary-care-setting-thailand
#14
Theerasuk Kawamatawong, Sanruethai Charoenniwassakul, Ticha Rerkpattanapipat
Background: Asthma and chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is an increasingly recognized clinical entity. ACOS significantly impacts on patient outcome compared to isolated asthma or COPD. However, ACOS definition and diagnosis criteria have not been well standardized. ACOS prevalence and clinical features in Thailand has never been studied. Objective: To investigate the prevalence and clinical features of ACOS compared to isolated asthma or COPD among patients with clinician-diagnosis of obstructive airway diseases...
October 2017: Asia Pacific Allergy
https://www.readbyqxmd.com/read/29083024/pulmonary-langerhans-cell-histiocytosis-in-adults
#15
Elżbieta Radzikowska
Pulmonary Langerhans' cell histiocytosis (PLCH) is a rare disorder of unknown cause characterised by the infiltration of the lungs and other organs by the bone marrow derived Langerhans' cells, which carry mutations of BRAF gene and/or NRAS, KRAS and MAP2K1 genes. It occurs predominantly in young smokers, without gender predominance. The disease is characterised by formation of eosinophilic granulomas with the presence of Langerhans' cells infiltrating and destroying distal airways. High-resolution computed tomography of the chest (HRCT) plays an outstanding role in PLCH diagnosis...
October 30, 2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29063074/evaluation-of-symptoms-and-risks-in-stable-chronic-obstructive-pulmonary-disease-patients-with-radiographic-bronchiectasis
#16
Rong-Bao Zhang, Fei Yuan, Xing-Yu Tan, Quan-Ying He
OBJECTIVE: To investigate the presence of previously undiagnosed radiographic bronchiectasis in stable chronic obstructive pulmonary disease (COPD) patients using high resolution computed tomography (HRCT) and to evaluate the effect of radiographic bronchiectasis on the symptoms and risks in stable COPD patients. METHODS: From May 2012 to April 2014, there were 347 patients enrolled in COPD database. Data describing the general conditions, the frequency of acute exacerbations the year before, COPD assessment test, modified medical research council (mMRC) score, spirometric classification, and HRCT were collected...
September 2017: Chronic Dis Transl Med
https://www.readbyqxmd.com/read/29060469/a-multichannel-acoustic-approach-to-define-a-pulmonary-pathology-as-combined-pulmonary-fibrosis-and-emphysema-syndrome
#17
Laura M Santiago-Fuentes, Sonia Charleston-Villalobos, Ramon Gonzalez-Camarena, Mayra Mejia-Avila, Heidegger Mateos-Toledo, Ivette Buendia-Roldan, Tomas Aljama-Corrales
Interstitial lung diseases (ILDs) have been increasing their relevance in loss of lives according to a recent world wide medical information. Idiopathic pulmonary fibrosis (IPF) and combined pulmonary fibrosis and emphysema syndrome (CPFES) belong to ILD class with the latter having a limited survival prognosis. In clinical environment high resolution computed tomography (HRCT) is used to detect CPFE; however, there is still controversy about the amount of emphysema observed in HRCT to declare CPFES. Consequently, to help in the diagnosis of CPFES to develop an alternative technique seems to be attractive...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29048936/computed-tomography-in-hypersensitivity-pneumonitis-main-findings-differential-diagnosis-and-pitfalls
#18
Olívia Meira Dias, Bruno Guedes Baldi, Francesca Pennati, Andrea Aliverti, Rodrigo Caruso Chate, Márcio Valente Yamada Sawamura, Carlos Roberto Ribeiro de Carvalho, André Luis Pereira de Albuquerque
Hypersensitivity pneumonitis (HP) is a disease with variable clinical presentation in which inflammation in the lung parenchyma is caused by the inhalation of specific organic antigens or low molecular weight substances in genetically susceptible individuals. Alterations of the acute, subacute and chronic forms may eventually overlap, and the diagnosis based on temporality and presence of fibrosis (acute/inflammatory HP vs. chronic HP) seems to be more feasible and useful in clinical practice. Differential diagnosis of chronic HP with other interstitial fibrotic diseases is challenging due to the overlap of the clinical history, and the functional and imaging findings of these pathologies in the terminal stages...
October 19, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29045979/-changes-of-serum-krebs-von-den-lungen-6-levels-in-interstitial-lung-disease-associated-with-dermatomyositis-and-secondary-sj%C3%A3-gren-s-syndrome-a-case-report
#19
J F Yu, Y B Jin, J He, Y An, Z G Li
Interstitial lung diseases (ILDs) are a diverse group of pulmonary disorders characterized by various patterns of inflammation and fibrosis in the interstitium of the lung. The underlying pathogenesis of ILDs is complex and associated with multiple rheumatologic conditions, such as systemic sclerosis, rheumatoid arthritis, pollymyositis and dermatomyositis, Sjögren's syndrome, and systemic lupus erythematosus. As the disease progresses, excessive pulmonary fibrosis impairs alveolar gas exchange and damages pulmonary function...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045954/-pulmonary-arterial-hypertension-as-leading-manifestation-of-methylmalonic-aciduria-clinical-characteristics-and-gene-testing-in-15-cases
#20
X Q Liu, H Yan, J X Qiu, C Y Zhang, J G Qi, X Zhang, H J Xiao, Y L Yang, Y H Chen, J B DU
OBJECTIVE: To deepen our understanding of Methylmalonic aciduria (MMA) associated pulmonary hypertension (PH) by analyzing the characteristics of clinical presentation, pulmonary high resolusion CT(HRCT), treatment response and gene mutation. METHODS: This study includes 15 cases of pediatric patients with MMA associated PH diagnosed and treated in Peking University First Hospital pediatric department between May 2012 and May 2016 with symptoms of PH as their leading presentation...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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