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https://www.readbyqxmd.com/read/28613912/molecular-and-immune-biomarkers-in-acute-respiratory-distress-syndrome-a-perspective-from-members-of-the-pulmonary-pathology-society
#1
Vera Luiza Capelozzi, Timothy Craig Allen, Mary Beth Beasley, Philip T Cagle, Don Guinee, Lida P Hariri, Aliya N Husain, Deepali Jain, Sylvie Lantuejoul, Brandon T Larsen, Ross Miller, Mari Mino-Kenudson, Mehrad Mitra, Kirtee Raparia, Anja Roden, Frank Schneider, Lynette M Sholl, Maxwell Lawrence Smith
Acute respiratory distress syndrome (ARDS) is a multifactorial syndrome with high morbidity and mortality rates, characterized by deficiency in gas exchange and lung mechanics that lead to hypoxemia, dyspnea, and respiratory failure. Histologically, ARDS is characterized by an acute, exudative phase, combining diffuse alveolar damage and noncardiogenic edema, followed by a later fibroproliferative phase. Despite an enhanced understanding of ARDS pathogenesis, the capacity to predict the development of ARDS and to risk-stratify patients with the disease remains limited...
June 14, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28593896/synergistic-effect-of-hyperoxia-and-biotrauma-on-ventilator-induced-lung-injury
#2
Mirjana Shosholcheva, Nikola Јankulovski, Andrijan Kartalov, Biljana Kuzmanovska, Daniela Miladinova
Patients undergoing mechanical ventilation in intensive care units (ICUs) may develop ventilator-induced lung injury (VILI). Beside the high tidal volume (Vt) and plateau pressure (Pplat), hyperoxia is supposed to precipitate lung injury. Oxygen toxicity is presumed to occur at levels of fraction of inspired oxygen (FiO2) exceeding 0.40. The exposure time to hyperoxia is certainly very important and patients who spend extended time on mechanical ventilation (MV) are probably more exposed to severe hyperoxic acute lung injury (HALI)...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28570160/acute-respiratory-distress-syndrome-and-diffuse-alveolar-damage-new-insights-on-a-complex-relationship
#3
Pablo Cardinal-Fernández, José A Lorente, Aída Ballén-Barragán, Gustavo Matute-Bello
Acute respiratory distress syndrome (ARDS) is a major clinical problem with high morbidity and mortality. Diffuse alveolar damage (DAD) is considered the histological hallmark for the acute phase of ARDS. DAD is characterized by an acute phase with edema, hyaline membranes, and inflammation, followed by an organizing phase with alveolar septal fibrosis and type II pneumocyte hyperplasia. Given the difficulties in obtaining a biopsy in patients with ARDS, the presence of DAD is not required to make the diagnosis...
June 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28542443/effects-of-pressure-support-and-pressure-controlled-ventilation-on-lung-damage-in-a-model-of-mild-extrapulmonary-acute-lung-injury-with-intra-abdominal-hypertension
#4
Cintia L Santos, Raquel S Santos, Lillian Moraes, Cynthia S Samary, Nathane S Felix, Johnatas D Silva, Marcelo M Morales, Robert Huhle, Marcelo G Abreu, Alberto Schanaider, Pedro L Silva, Paolo Pelosi, Patricia R M Rocco
Intra-abdominal hypertension (IAH) may co-occur with the acute respiratory distress syndrome (ARDS), with significant impact on morbidity and mortality. Lung-protective controlled mechanical ventilation with low tidal volume and positive end-expiratory pressure (PEEP) has been recommended in ARDS. However, mechanical ventilation with spontaneous breathing activity may be beneficial to lung function and reduce lung damage in mild ARDS. We hypothesized that preserving spontaneous breathing activity during pressure support ventilation (PSV) would improve respiratory function and minimize ventilator-induced lung injury (VILI) compared to pressure-controlled ventilation (PCV) in mild extrapulmonary acute lung injury (ALI) with IAH...
2017: PloS One
https://www.readbyqxmd.com/read/28536665/diffuse-alveolar-hemorrhage-in-systemic-lupus-erythematosus-histopathologic-features-and-clinical-correlations
#5
Robert Ta, Romulo Celli, A Brian West
The case of a 16-year-old African-American girl with systemic lupus erythematosus, who developed diffuse alveolar hemorrhage with fatal consequences, is described. Diffuse alveolar hemorrhage is a rare but serious complication of systemic lupus. It occurs in three distinct but overlapping phenotypes, acute capillaritis, bland pulmonary hemorrhage, and diffuse alveolar damage, each of which is associated with a different group of underlying conditions. Diffuse alveolar hemorrhage is a medical emergency: choice of treatment depends on early diagnosis and determination of the underlying etiology...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28532813/genetics-and-biological-property-analysis-of-korea-lineage-of-influenza-a-h9n2-viruses
#6
Min Kang, Hyung-Kwan Jang
H9N2 influenza viruses have been detected from wild and domestic avian species including chickens and ducks worldwide. Few studies have compared the biological properties of different H9N2 lineages or determined whether certain lineages might pose a higher risk to mammals, especially H9N2 viruses of Korean lineage. The objective of this study was to characterize the genetic and biological properties of 22 Korean H9N2 viruses and assess their potential risks to mammals. Their complete genomes were analyzed. Some Korean H9N2 viruses were found to carry mammalian host-specific mutations...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28512413/two-cases-of-nivolumab-re-administration-after-pneumonitis-as-immune-related-adverse-events
#7
Keisuke Imafuku, Koji Yoshino, Kei Yamaguchi, Satoshi Tsuboi, Kuniaki Ohara, Hiroo Hata
Nivolumab is a recently approved medication for the treatment of unresectable malignant melanoma. Many immune-related adverse events (irAEs) associated with nivolumab have been reported, such as pneumonitis, hepatitis, dermatitis, and thyroiditis. Prednisolone can effectively treat irAEs. However, it is unclear how or if nivolumab should be administered to patients after they have experienced an irAE. Herein, we show 2 patients who underwent pneumonitis as irAE. Case 1 demonstrated a cryptogenic organizing pneumonia pattern in the CT scan and case 2 had a diffuse alveolar damage (DAD) pattern...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28464801/surfactant-protein-d-predicts-prognosis-of-interstitial-lung-disease-induced-by-anticancer-agents-in-advanced-lung-cancer-a-case-control-study
#8
Kota Nakamura, Motoyasu Kato, Takehito Shukuya, Keita Mori, Yasuhito Sekimoto, Hiroaki Ihara, Ryota Kanemaru, Ryo Ko, Rina Shibayama, Ken Tajima, Ryo Koyama, Naoko Shimada, Osamu Nagashima, Fumiyuki Takahashi, Shinichi Sasaki, Kazuhisa Takahashi
BACKGROUND: Interstitial lung diseases induced by anticancer agents (ILD-AA) are rare adverse effects of anticancer therapy. However, prognostic biomarkers for ILD-AA have not been identified in patients with advanced lung cancer. Our aim was to analyze the association between serum biomarkers sialylated carbohydrate antigen Krebs von den Lungen-6 (KL-6) and surfactant protein D (SP-D), and clinical characteristics in patients diagnosed with ILD-AA. METHODS: Between April 2011 and March 2016, 1224 advanced lung cancer patients received cytotoxic agents and epidermal growth factor receptor tyrosine kinase inhibitors at Juntendo University Hospital and Juntendo University Urayasu Hospital...
May 2, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28431421/sevoflurane-posttreatment-attenuates-lung-injury-induced-by-oleic-acid-in-dogs
#9
Guizhi Du, Shurong Wang, Zhuo Li, Jin Liu
BACKGROUND: In animal models, both sevoflurane and propofol protect against acute lung injury (ALI), especially when administered prior to ALI onset. We hypothesized that when compared to propofol, sevoflurane administration after the onset of acute respiratory distress syndrome would mitigate oleic acid (OA)-induced ALI in dogs. METHODS: Dogs were randomly assigned to receive intravenous OA to induce ALI (n = 7 for each OA group) or saline as an OA control (n = 6 for each control)...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28403904/pre-existing-chronic-interstitial-pneumonia-is-a-poor-prognostic-factor-of-goodpasture-s-syndrome-a-case-report-and-review-of-the-literature
#10
Hiroki Tashiro, Koichiro Takahashi, Yuki Ikeda, Saori Uchiumi, Makoto Fukuda, Miyazono Motoaki, Shinya Kimura, Naoko Sueoka-Aragane
BACKGROUND: Goodpasture's syndrome is a rare disease that is characterized by rapidly progressive glomerulonephritis and diffuse alveolar hemorrhage. CASE PRESENTATION: A 71-year-old Japanese man who had chronic interstitial pneumonia was diagnosed as having Goodpasture's syndrome. Both anti-glomerular basement membrane antibody and myeloperoxidase anti-neutrophil cytoplasmic antibody were increased. Despite intensive treatments, including mechanical ventilation, he died from respiratory failure...
April 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28348219/mouse-adapted-mers-coronavirus-causes-lethal-lung-disease-in-human-dpp4-knockin-mice
#11
Kun Li, Christine L Wohlford-Lenane, Rudragouda Channappanavar, Jung-Eun Park, James T Earnest, Thomas B Bair, Amber M Bates, Kim A Brogden, Heather A Flaherty, Tom Gallagher, David K Meyerholz, Stanley Perlman, Paul B McCray
The Middle East respiratory syndrome (MERS) emerged in Saudi Arabia in 2012, caused by a zoonotically transmitted coronavirus (CoV). Over 1,900 cases have been reported to date, with ∼36% fatality rate. Lack of autopsies from MERS cases has hindered understanding of MERS-CoV pathogenesis. A small animal model that develops progressive pulmonary manifestations when infected with MERS-CoV would advance the field. As mice are restricted to infection at the level of DPP4, the MERS-CoV receptor, we generated mice with humanized exons 10-12 of the mouse Dpp4 locus...
April 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28300574/sex-steroid-receptor-expression-in-idiopathic-pulmonary-fibrosis
#12
Mitra Mehrad, Humberto E Trejo Bittar, Samuel A Yousem
Usual interstitial pneumonia (UIP) is characterized by progressive scarring of the lungs and is associated with high morbidity and mortality despite therapeutic interventions. Sex steroid receptors have been demonstrated to play an important role in chronic lung conditions; however, their significance is unknown in patients with UIP. We retrospectively reviewed 40 idiopathic UIP cases for the expression of hormonal receptors. Forty cases including 10 normal lung, 10 cryptogenic organizing pneumonia (COP), 10 idiopathic organizing diffuse alveolar damage (DAD), 7 hypersensitivity pneumonitis (HP) and 3 nonspecific interstitial pneumonitis (NSIP) served as controls...
March 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28296181/-white-out-after-lung-transplantation-a-multicentre-cohort-description-of-late-acute-graft-failure
#13
Stijn E Verleden, Jens Gottlieb, Adriana Dubbeldam, Geert M Verleden, Hendrik Suhling, Tobias Welte, Robin Vos, Mark Greer
Graft failure represents a leading cause of mortality following organ transplantation. Acute late-onset graft failure has not been widely reported. This paper describes the demographics, CT imaging pathology findings and treatment of patients presenting with the latter. A retrospective review of lung transplant recipients at 2 large-volume centres was performed. Acute late-onset graft failure was defined as sudden onset of bilateral infiltrates with an oxygenation index <200 without identifiable cause or concurrent extra-pulmonary organ failure...
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28274529/japanese-herbal-medicine-induced-pneumonitis-a-review-of-73-patients
#14
Yasunori Enomoto Md, Yutaro Nakamura Md PhD, Noriyuki Enomoto Md PhD, Tomoyuki Fujisawa Md PhD, Naoki Inui Md PhD, Takafumi Suda
BACKGROUND: The number of reports concerning Japanese herbal medicine (JHM)-induced pneumonitis has increased. However, comprehensive data are lacking in this regard, and the clinical characteristics of the disease remain unclear. METHODS: A literature review was performed using PubMed and Ichushi-Web-the database of the Japan Medical Abstracts Society-to identify articles published between 1996 and 2015 describing patients with JHM-induced pneumonitis. The final cohort included 73 patients in 59 articles (7 in English; 52 in Japanese)...
March 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28258422/outcome-in-advanced-non-small-cell-lung-cancer-patients-with-successful-rechallenge-after-recovery-from-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-induced-interstitial-lung-disease
#15
Kosuke Kashiwabara, Hiroshi Semba, Shinji Fujii, Shinsuke Tsumura
PURPOSE: Several non-small cell lung cancer (NSCLC) cases of successful rechallenge with epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) after recovery from gefitinib or erlotinib-induced interstitial lung disease (ILD) have been reported, but it is not clear whether the rechallenge affects the outcome. METHODS: We retrospectively evaluated the difference in the outcome between advanced NCLC patients with active EGFR mutations who received EGFR-TKI rechallenge after recovery from EGFR-TKI-induced ILD and those who did not...
April 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28248121/-unusual-histopathological-picture-of-acute-lung-injury-in-different-stages-of-resorption-with-predominance-of-organizing-pneumonia-in-a%C3%A2-young-man-with-influenza-a%C3%A2-h1n1
#16
Daniel Farkaš, Radoslav Matěj, Marián Ml Švajdler, Marcela Sluková, Jana Seligová, Lucia Fröhlichová, Silvia Farkašová Iannaccone, Vlasta Vyhnálková, Alžbeta Ginelliová
In this case report the authors describe histomorphological findings of acute lung injury with laboratory-confirmed influenza type A(H1N1) pneumonia leading to the death of a 30 year-old unvaccinated man after 27 days of hospitalisation. Histologically all three types of acute lung injuries were unusually present (diffuse alveolar damage, acute interstitial pneumonia, organizing pneumonia) in different phases of resorption and reparation with transition to extensive fibrosis.
2017: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/28199407/keratin14-mrna-expression-in-human-pneumocytes-during-quiescence-repair-and-disease
#17
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/28067630/a-novel-swine-model-of-ricin-induced-acute-respiratory-distress-syndrome
#18
Shahaf Katalan, Reut Falach, Amir Rosner, Michael Goldvaser, Tal Brosh-Nissimov, Ayana Dvir, Avi Mizrachi, Orr Goren, Barak Cohen, Yoav Gal, Anita Sapoznikov, Sharon Ehrlich, Tamar Sabo, Chanoch Kronman
Pulmonary exposure to the plant toxin ricin leads to respiratory insufficiency and death. To date, in-depth study of acute respiratory distress syndrome (ARDS) following pulmonary exposure to toxins is hampered by the lack of an appropriate animal model. To this end, we established the pig as a large animal model for the comprehensive study of the multifarious clinical manifestations of pulmonary ricinosis. Here, we report for the first time, the monitoring of barometric whole body plethysmography for pulmonary function tests in non-anesthetized ricin-treated pigs...
February 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28031830/development-of-diffuse-alveolar-damage-after-initiation-of-nijutsuto
#19
Motoyasu Kato, Shinichi Sasaki, Hiroshi Izumi, Toshimasa Uekusa, Shigeru Tominaga, Kazuhisa Takahashi
Chinese traditional medicine, Nijutsuto, is used to treat patients with frozen shoulder and osteoarthritis. Herbal medicine is often linked to the development of interstitial lung disease. An 83-year-old Japanese man with osteoarthritis who was on Nijutsuto was admitted to our hospital with dyspnoea and severe cough after 2 weeks from initiation of Nijutsuto. A chest computed tomography scan on admission showed diffuse ground glass opacity with traction bronchiectasis. Thus, he was diagnosed with Nijutsuto-induced interstitial lung disease, and was treated with a high dose of methylprednisolone and cyclophosphamide...
November 2016: Respirology Case Reports
https://www.readbyqxmd.com/read/28006948/intravenous-dexamethasone-attenuated-inflammation-and-influenced-apoptosis-of-lung-cells-in-an-experimental-model-of-acute-lung-injury
#20
P Kosutova, P Mikolka, S Balentova, M Adamkov, M Kolomaznik, A Calkovska, D Mokra
Acute lung injury (ALI) is characterized by diffuse alveolar damage, inflammation, and transmigration and activation of inflammatory cells. This study evaluated if intravenous dexamethasone can influence lung inflammation and apoptosis in lavage-induced ALI. ALI was induced in rabbits by repetitive saline lung lavage (30 ml/kg, 9+/-3-times). Animals were divided into 3 groups: ALI without therapy (ALI), ALI treated with dexamethasone i.v. (0.5 mg/kg, Dexamed; ALI+DEX), and healthy non-ventilated controls (Control)...
December 22, 2016: Physiological Research
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