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REVIEW
Leticia Kawano-Dourado, Tejaswini Kulkarni, Christopher J Ryerson, Pilar Rivera-Ortega, Bruno Guedes Baldi, Nazia Chaudhuri, Manuela Funke-Chambour, Anna-Maria Hoffmann-Vold, Kerri A Johannson, Yet Hong Khor, Sydney B Montesi, Lucilla Piccari, Helmut Prosch, María Molina-Molina, Jacobo Sellares Torres, Iazsmin Bauer-Ventura, Sujeet Rajan, Joseph Jacob, Duncan Richards, Lisa G Spencer, Barbara Wendelberger, Tom Jensen, Melanie Quintana, Michael Kreuter, Anthony C Gordon, Fernando J Martinez, Naftali Kaminski, Victoria Cornelius, Roger Lewis, Wendy Adams, Gisli Jenkins
BACKGROUND: Fibrotic interstitial lung diseases (fILDs) are a heterogeneous group of lung diseases associated with significant morbidity and mortality. Despite a large increase in the number of clinical trials in the last 10 years, current regulatory-approved management approaches are limited to two therapies that prevent the progression of fibrosis. The drug development pipeline is long and there is an urgent need to accelerate this process. This manuscript introduces the concept and design of an innovative research approach to drug development in fILD: a global Randomised Embedded Multifactorial Adaptive Platform in fILD (REMAP-ILD)...
March 6, 2024: Thorax
#22
D Díaz Díaz, C Olmos Mata, E Palencia Herrejón, L López Pérez
Eosinophilia in not an uncommon findings in the intensive care unit (ICU); however, DRESS (Drug Reaction with Eosinophilia and Systemic Symptoms) syndrome, which is characterized by a hypersensitivity reaction to drugs and manifests as eosinophilia, systemic involvement and maculopapular erythematous rash 2-6 weeks after exposure to the offending drug, is an exceptional occurrence. We present the first case described in the literature of DRESS syndrome with pulmonary involvement in the form of interstitial pneumonitis and persistent adult respiratory distress syndrome (ARDS) secondary to proton pump inhibitors (PPI)...
February 29, 2024: Revista española de anestesiología y reanimación
#23
JOURNAL ARTICLE
Jill A Poole, Jose L Zamora-Sifuentes, Leticia De Las Vecillas, Santiago Quirce
Organic dusts are complex bioaerosol mixtures comprised of dust and particulate matter of organic origin. These include components from bacteria, fungi, pollen, and viruses to fragments of animals and plants commonplace to several environmental/occupational settings encompassing agriculture/farming, grain processing, waste/recycling, textile, cotton, woodworking, bird breeding, and more. Organic dust exposures are linked to development of chronic bronchitis, chronic obstructive pulmonary disease (COPD), asthma, asthma-like syndrome, byssinosis, hypersensitivity pneumonitis (HP), and idiopathic pulmonary fibrosis (IPF)...
February 27, 2024: Journal of Allergy and Clinical Immunology in Practice
#24
JOURNAL ARTICLE
Esteban Cano-Jiménez, Ana Villar Gómez, Eduardo Velez Segovia, Myriam Aburto Barrenechea, Jacobo Sellarés Torres, Joel Francesqui, Karina Portillo Carroz, Alan Jhunior Solis Solis, Orlando Acosta Fernández, Ana Belén Llanos González, Jaume Bordas-Martinez, Eva Cabrera Cesar, Eva Balcells Vilarnau, Diego Castillo Villegas, Ana Reyes Pardessus, Coral González Fernández, Marta García Moyano, Amaia Urrutia Gajate, Andrés Blanco Hortas, María Molina-Molina
BACKGROUND: Fibrotic hypersensitivity pneumonitis (fHP) is an immune-mediated interstitial lung disease caused by sensitisation to chronic allergen inhalation. This study aimed to determine prognostic indicators of progression and mortality in fHP. METHODS: This was a retrospective, multicentre, observational, cross-sectional cohort study of consecutive patients diagnosed with fHP from 1 January 2012 to 31 December 2021. Multivariate Cox regression analyses were used to calculate hazard ratios (HRs) with 95% confidence intervals for predictors of progression and survival...
January 2024: ERJ Open Research
#25
JOURNAL ARTICLE
Harish Chandra, Manish K Gupta, Ying-Wai Lam, Jagjit S Yadav
The emerging lung pathogen Mycobacterium abscessus is understudied for its virulence determinants and molecular targets for diagnosis and therapeutics. Here, we report a comprehensive secretome (600 proteins) of this species, which was identified using a multipronged strategy based on genetic/genomic, proteomic, and bioinformatic approaches. In-solution digested bottom-up proteomics from various growth phases identified a total of 517 proteins, while 2D-GE proteomics identified 33 proteins. A reporter-gene-fusion-based genomic library that was custom-generated in this study enabled the detection of 23 secretory proteins...
February 12, 2024: Microorganisms
#26
JOURNAL ARTICLE
Virginie Kreutzinger, Anne Pankow, Zhivana Boyadzhieva, Udo Schneider, Katharina Ziegeler, Lars Uwe Stephan, Jan Carl Kübke, Sebastian Schröder, Christian Oberender, Philipp le Coutre, Sebastian Stintzing, Ivan Jelas
VEXAS (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic) syndrome is a recently recognized systemic autoinflammatory disease caused by somatic mutations in hematopoietic progenitor cells. This case series of four patients with VEXAS syndrome and comorbid myelodysplastic syndrome (MDS) aims to describe clinical, imaging, and hematologic disease presentations as well as response to therapy. Four patients with VEXAS syndrome and MDS are described. A detailed analysis of imaging features, hemato-oncological presentation including bone marrow microscopy and clinical-rheumatological disease features and treatment outcomes is given...
February 12, 2024: Journal of Clinical Medicine
#27
JOURNAL ARTICLE
Elisabet Johansson, Jagjit S Yadav
Mycobacterium immunogenum (MI) colonizing metalworking fluids (MWFs) has been associated with chronic hypersensitivity pneumonitis (HP) in machinists. However, it is etiologically unclear why only certain mycobacteria-contaminated fluids induce this interstitial lung disease. We hypothesized that this may be due to differential immunogenicity and the HP-inducing potential of MI strains/genotypes as well as the confounding effect of co-inhaled endotoxin-producers. To test this hypothesis, we optimized a chronic HP mouse model in terms of MI antigen dose, timepoint of sacrifice, and form of antigen (cell lysates vs...
February 8, 2024: International Journal of Molecular Sciences
#28
REVIEW
Arman Sindhu, Ulhas Jadhav, Babaji Ghewade, Pankaj Wagh, Pallavi Yadav
This comprehensive review examines the diagnostic potential of bronchoalveolar lavage (BAL) in interstitial lung disease (ILD), emphasizing its accuracy and significance in various ILDs, including idiopathic pulmonary fibrosis (IPF), sarcoidosis, hypersensitivity pneumonitis, and connective tissue disease-associated ILD. The analysis underscores the importance of abnormalities in both cellular and non-cellular components of BAL fluid for precise ILD diagnosis. Recommendations advocate for the integration of BAL into clinical guidelines, a multidisciplinary diagnostic approach, and further standardization of procedures...
January 2024: Curēus
#29
Yuki Amakusa, Tatsuro Suzuki, Masaya Takemura, Tetsuya Oguri
In cases of Sweet's syndrome with pulmonary involvement, fever of unknown origin, and macrocytic anaemia, VEXAS syndrome can be considered in the differential diagnosis. A 67-year-old man who was taking prednisolone for a fever of unknown origin and Sweet's syndrome was referred to us because of an abnormal chest shadow. Computed tomography revealed a nonfibrotic hypersensitivity pneumonitis-like opacity, and blood test results indicated macrocytic anaemia. His pulmonary symptoms spontaneously improved but again exacerbated approximately 1 month later...
February 2024: Respirology Case Reports
#30
JOURNAL ARTICLE
Jia-Jia Fan, Jin-Min Gu, Si-Yao Xiao, Ming-Yue Jia, Gui-Ling Han
OBJECTIVE: This study aimed to identify clinical characteristics associated with the prevalence of progressive pulmonary fibrosis (PPF) in interstitial lung disease (ILD) and to develop a prognostic nomogram model for clinical use. METHODS: In this single-centered, retrospective study, we enrolled ILD patients with relatively comprehensive clinical data and assessed the incidence of PPF within a year using collected demographics, laboratory data, high-resolution computed tomography (HRCT), and pulmonary function test (PFT) results...
2024: Frontiers in Medicine
#31
JOURNAL ARTICLE
Jörn Eggimann, Sara Eggimann, Philipp Grob-Blum
A 31-year-old farmer is being treated for suspected pneumonia. As the symptoms persist despite antibiotic treatment, the suspicion of hypersensitivity pneumonitis type Farmer´s lung arises after taking into account the patients occupational history. Information from various examination modalities and the clinical course confirm the suspected diagnosis. Thanks to the rapid diagnosis and the measures taken as a result, it was possible for the patient to remain in his profession.
January 2024: Praxis
#32
JOURNAL ARTICLE
Marwa G Elhennawy, Yosri Akl, Maggie Abbassi, Nirmeen A Sabry
PURPOSE: Interstitial lung diseases (ILDs) are caused by inflammation and/or fibrosis of alveolar walls resulting in impaired gas exchange. Hypersensitivity pneumonitis (HP) is the third most common type of ILDs. Corticosteroids are the mainstay treatment for HP. The use of intramuscular (IM) betamethasone or intravenous (IV) dexamethasone as weekly pulse doses has shown higher benefit than daily oral prednisolone for HP patients. The aim of this study is to directly compare different corticosteroids in terms of effectiveness and in monetary values and perform an economic evaluation...
February 15, 2024: BMC Pulmonary Medicine
#33
JOURNAL ARTICLE
Yuki Iijima, Masaru Ejima, Takashi Yamana, Shiro Sonoda, Sho Shibata, Tsuyoshi Shirai, Tsukasa Okamoto, Haruhiko Furusawa, Tomoya Tateishi, Takuya Adachi, Mio Mori, Susumu Kirimura, Tatsuhiko Anzai, Kunihiko Takahashi, Yasunari Miyazaki
BACKGROUND: Exposure assessment is integral to the diagnosis of hypersensitivity pneumonitis (HP). Although the clinical relevance of exposed antigens is essential for the assessment, many of the previous guidelines or reports have only evaluated simple exposure histories or immunological tests. To overcome this problem, the Exposure Assessment Form (EAF) was developed as an assessment tool for classifying the exposure grade from G0 to G4. The EAF was modified from the description in the Japanese clinical practice guide 2022 for HP published by the Japanese Respiratory Society...
February 14, 2024: BMC Pulmonary Medicine
#34
Louis Chhor, Reditta Soraya Tumali, Caroline Östberg, Anish Sachdev
Hot tub lung (HTL) is a type of Hypersensitivity Pneumonitis (HP) caused by inhalation of aerosols containing non-tuberculous mycobacteria (NTM). We report the first case of hot tub lung in Victoria, Australia. A 31-year-old female presented with 3 weeks of dyspnoea, fevers and malaise, despite a course of antibiotics. She had used an indoor spa frequently for the past several months. She was hypoxic saturating 86% on room air. Examination revealed fine bilateral basal crepitations without wheeze. Inflammatory markers were elevated...
February 2024: Respirology Case Reports
#35
JOURNAL ARTICLE
Wenhao Liu, Kangping Huang, Xin-Zhuang Yang, Ping Wang
BACKGROUND: Interstitial lung disease (ILD) encompasses a diverse group of disorders characterized by chronic inflammation and fibrosis of the pulmonary interstitium. Three ILDs, namely idiopathic pulmonary fibrosis (IPF), fibrotic hypersensitivity pneumonitis (fHP), and connective tissue disease-associated ILD (CTD-ILD), exhibit similar progressive fibrosis phenotypes, yet possess distinct etiologies, encouraging us to explore their different underlying mechanisms. METHODS: Transcriptome data of fibrotic lung tissues from patients with IPF, fHP, and CTD-ILD were subjected to functional annotation, network, and pathway analyses...
February 12, 2024: Aging
#36
JOURNAL ARTICLE
Natsushi Kubota, Tsukasa Okamoto, Sho Shimada, Takashi Yamana, Yuki Iijima, Rie Sakakibara, Sho Shibata, Takayuki Honda, Takahiro Mitsumura, Tsuyoshi Shirai, Haruhiko Furusawa, Tomoya Tateishi, Takuya Adachi, Susumu Kirimura, Yasunari Miyazaki
We herein report a rare case of hypersensitivity pneumonitis (HP) that was initially demonstrated as solitary pure ground-glass opacity (GGO) on chest computed tomography (CT). A 51-year-old woman with a history of breast cancer underwent follow-up CT, which revealed solitary pure GGO. The patient developed exertional dyspnea after two years, and CT revealed diffuse centrilobular nodules in addition to GGO, which had increased in size. An antigen avoidance test was performed to diagnose HP, leading to the resolution of CT abnormalities, including the GGO...
February 12, 2024: Internal Medicine
#37
Qian Zhao, Hong Q Ren, Jiao Jiang, Wen Yang, Xue X Yao, Ling Zhang, Si Y Sun, Yan L Ge
BACKGROUND: Carcinoembryonic antigen (CEA) is a polysaccharide complex that is found in the human respiratory system. It is of significant use in disease surveillance of lung cancer; however, serum CEA can occasionally only offer little assistance. We present a case of recurring infection initially diagnosed as carcinoembryonic antigen-negative in a patient with a history of hypersensitivity pneumonitis infection, which finally led to the diagnosis of lung adenocarcinoma following percutaneous lung puncture...
February 1, 2024: Clinical Laboratory
#38
REVIEW
Gaetano Rea, Marialuisa Bocchino, Roberta Lieto, Roberta Eufrasia Ledda, Michele D'Alto, Marco Sperandeo, Raffaella Lucci, Patrizio Pasquinelli, Stefano Sanduzzi Zamparelli, Giorgio Bocchini, Tullio Valente, Giacomo Sica
Hypersensitivity pneumonitis (HP) is a diffuse parenchymal lung disease (DLPD) characterized by complex interstitial lung damage with polymorphic and protean inflammatory aspects affecting lung tissue targets including small airways, the interstitium, alveolar compartments and vascular structures. HP shares clinical and often radiological features with other lung diseases in acute or chronic forms. In its natural temporal evolution, if specific therapy is not initiated promptly, HP leads to progressive fibrotic damage with reduced lung volumes and impaired gas exchange...
January 30, 2024: Journal of Clinical Medicine
#39
JOURNAL ARTICLE
Boyang Zheng, Daniel-Costin Marinescu, Cameron J Hague, Nestor L Muller, Darra Murphy, Andrew Churg, Joanne L Wright, Amna Al-Arnawoot, Ana-Maria Bilawich, Patrick Bourgouin, Gerard Cox, Celine Durand, Tracy Elliot, Jennifer Ellis, Jolene H Fisher, Derek Fladeland, Amanda Grant-Orser, Gillian C Goobie, Zachary Guenther, Ehsan Haider, Nathan Hambly, James Huynh, Kerri A Johannson, Geoffrey Karjala, Nasreen Khalil, Martin Kolb, Jonathon Leipsic, Stacey Lok, Sarah MacIsaac, Micheal McInnis, Helene Manganas, Veronica Marcoux, John Mayo, Julie Morisset, Ciaran Scallan, Tony Sedlic, Shane Shapera, Kelly Sun, Victoria Tan, Alyson W Wong, Christopher J Ryerson
OBJECTIVES: Interstitial lung disease (ILD) in connective tissue diseases (CTD) have highly variable morphology. We aimed to identify imaging features and their impact on ILD progression, mortality and immunosuppression response. METHODS: Patients with CTD-ILD had high-resolution chest computed tomography (HRCT) reviewed by expert radiologists blinded to clinical data for overall imaging pattern (usual interstitial pneumonia [UIP]; non-specific interstitial pneumonia [NSIP]; organizing pneumonia [OP]; fibrotic hypersensitivity pneumonitis [fHP]; and other)...
February 9, 2024: Rheumatology
#40
Takuma Katano, Tomoyuki Ogisu, Akira Satou, Toshiyuki Yonezawa, Hiroyuki Tanaka, Satoru Ito
A 60-year-old man who had been keeping seven budgerigars and four cockatiels in his house for 2 years developed dyspnea and was admitted to our hospital the day after receiving the second dose of the messenger RNA coronavirus disease 2019 vaccination. Chest high resolution computed tomography (HRCT) showed bilateral ground glass opacities without nodules or mosaic attenuation. IgG specific for budgerigars was positive. Although his respiratory symptoms were resolved without corticosteroid therapy, he developed severe dyspnea soon after the discharge to his home...
February 2024: Respirology Case Reports
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