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Idiopathic interstitial pneumonias

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https://www.readbyqxmd.com/read/28079842/increased-erythrocyte-aggregation-and-oxidative-stress-in-patients-with-idiopathic-interstitial-pneumonia
#1
Erhan Ugurlu, Emine Kilic-Toprak, Goksel Altinisik, Ozgen Kilic-Erkek, Betul Cengiz, Vural Kucukatay, Hande Senol, Ismail Hakki Akbudak, Yusuf Ekbic, Melek Bor-Kucukatay
BACKGROUND: Hemorheological properties are important determinants of tissue oxygenation. Although hemorheological alterations in various lung diseases have been well-defined, no information is available about the effects of idiopathic interstitial pneumonia (IIP) on hemorheological parameters. OBJECTIVES: The aim of this study was to investigate hemorheological parameters (erythrocyte deformability, aggregation, and plasma viscosity -PV) and associated oxidative stress indices in patients with IIP...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28057004/gene-profile-of-fibroblasts-identify-relation-of-ccl8-with-idiopathic-pulmonary-fibrosis
#2
Jong-Uk Lee, Hyun Sub Cheong, Eun-Young Shim, Da-Jeong Bae, Hun Soo Chang, Soo-Taek Uh, Young Hoon Kim, Jong-Sook Park, Bora Lee, Hyoung Doo Shin, Choon-Sik Park
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is characterized by the complex interaction of cells involved in chronic inflammation and fibrosis. Global gene expression of a homogenous cell population will identify novel candidate genes. METHODS: Gene expression of fibroblasts derived from lung tissues (8 IPF and 4 controls) was profiled, and ontology and functional pathway were analyzed in the genes exhibiting >2 absolute fold changes with p-values < 0...
January 5, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28051231/effect-of-pistacia-lentiscus-oil-on-experimental-pulmonary-fibrosis
#3
Anouar Abidi, Raja Serairi Beji, Nadia Kourda, Samir Ennigrou, Riadh Ksouri, Saloua Jameleddine
Background - Idiopathic pulmonary fibrosis (IPF) is a chronic disease characterized by histopathological lesions in lung tissue. This is the most common and most severe idiopathic interstitial pneumonias. Current treatments are based on the combination of corticosteroids and immunosuppressants, but their effectiveness is still debated. Purpose of work - Testing the preventive effect of Pistacia Lentiscus oil, known for its antioxidant, anti-mutagenic and anti-proliferative effects, on a model of experimental lung fibrosis...
July 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28050003/effectiveness-of-combined-therapy-with-pirfenidone-and-erythromycin-for-unclassifiable-interstitial-pneumonia-induced-by-htlv-1-associated-bronchioloalveolar-disorder-haba
#4
Naoko Yokohori, Akitoshi Sato, Mizue Hasegawa, Hideki Katsura, Kenzo Hiroshima, Tamiko Takemura
Human T-cell lymphotropic virus type 1 (HTLV-1) is a retrovirus involved in the pathogenesis of adult T-cell leukemia (ATL) and HTVL-1-associated bronchioloalveolar disorder (HABA). The clinical and pathological findings of HABA have been characterized as either a diffuse panbronchiolitis (DPB) pattern or idiopathic interstitial pneumonia (IIP) pattern. Treatments for HABA include corticosteroids for the IIP pattern and erythromycin for the DPB pattern. We herein report a case of HABA-associated unclassifiable interstitial pneumonia that improved with combined therapy with pirfenidone and erythromycin...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28012489/pathognomonic-remodeling-of-blood-and-lymphatic-capillaries-in-idiopathic-pulmonary-fibrosis
#5
REVIEW
Masahito Ebina
Numerous studies have been published investigating the pathologic alterations in various interstitial pneumonias, particularly in idiopathic pulmonary fibrosis (IPF). However, the few existing studies on capillary remodeling, which does not seem to have priority for pathologic diagnosis, are contradictory, with some reporting increased and others reduced vascularization. We hypothesized that these discrepancies were due to the temporal heterogeneity of the lesions in IPF. We subsequently developed original techniques for evaluating vascular density within the alveolar septa and discovered, for the first time, a heterogeneous increase in alveolar capillaries in the lungs of IPF patients...
January 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/27998476/idiopathic-pulmonary-fibrosis
#6
REVIEW
Antoni Xaubet, Julio Ancochea, María Molina-Molina
Idiopathic pulmonary fibrosis is a fibrosing interstitial pneumonia associated with the radiological and/or histological pattern of usual interstitial pneumonia. Its aetiology is unknown, but probably comprises the action of endogenous and exogenous micro-environmental factors in subjects with genetic predisposition. Its diagnosis is based on the presence of characteristic findings of high-resolution computed tomography scans and pulmonary biopsies in absence of interstitial lung diseases of other aetiologies...
December 17, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27997064/nintedanib-in-japanese-patients-with-idiopathic-pulmonary-fibrosis-a-subgroup-analysis-of-the-inpulsis%C3%A2-randomized-trials
#7
Arata Azuma, Hiroyuki Taniguchi, Yoshikazu Inoue, Yasuhiro Kondoh, Takashi Ogura, Sakae Homma, Tsuyoshi Fujimoto, Wataru Sakamoto, Yukihiko Sugiyama, Toshihiro Nukiwa
BACKGROUND AND OBJECTIVE: Idiopathic pulmonary fibrosis (IPF) is a specific form of chronic, progressive fibrosing interstitial pneumonia. Nintedanib significantly reduced the annual rate of decline in forced vital capacity (FVC) compared with placebo in patients with IPF in two replicate trials (INPULSIS®). We examined the efficacy and safety of nintedanib in Japanese patients. METHODS: We conducted pre-specified subgroup analyses of the annual rate of decline in FVC, time to first acute exacerbation (AE), change from baseline in St George's Respiratory Questionnaire (SGRQ) total score and safety using pooled data from the INPULSIS® trials for Japanese patients...
December 20, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27993290/increased-levels-of-prostaglandin-e-major-urinary-metabolite-pge-mum-in-chronic-fibrosing-interstitial-pneumonia
#8
Tsugumi Horikiri, Hiromichi Hara, Nayuta Saito, Jun Araya, Naoki Takasaka, Hirofumi Utsumi, Haruhiko Yanagisawa, Mitsuo Hashimoto, Yutaka Yoshii, Hiroshi Wakui, Shunsuke Minagawa, Takeo Ishikawa, Kenichiro Shimizu, Takanori Numata, Seiji Arihiro, Yumi Kaneko, Katsutoshi Nakayama, Tomokazu Matsuura, Masaaki Matsuura, Mutsunori Fujiwara, Isao Okayasu, Satoru Ito, Kazuyoshi Kuwano
BACKGROUND: Dysregulation of the prostaglandin E2 (PGE2) signaling pathway has been implicated in interstitial pneumonia (IP) pathogenesis. Due to the unstable nature of PGE2, available detection methods may not precisely reflect PGE2 levels. We explored the clinical usefulness of measuring stable prostaglandin E-major urinary metabolite (PGE-MUM) with respect to pathogenesis and extent of chronic fibrosing IP (CFIP), including idiopathic pulmonary fibrosis (IPF), as PGE-MUM is reflective of systemic PGE2 production...
January 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/27958346/clinical-association-of-chemokine-c-x-c-motif-ligand-1-cxcl1-with-interstitial-pneumonia-with-autoimmune-features-ipaf
#9
Minrui Liang, Zhixing Jiang, Qiong Huang, Lei Liu, Yu Xue, Xiaoxia Zhu, Yiyun Yu, Weiguo Wan, Haihua Yang, Hejian Zou
The term "interstitial pneumonia with autoimmune features" (IPAF) has been recently proposed. We here investigate the clinical characteristics of IPAF and evaluate the clinical implications of CXCL1-CXCR2 axis in IPAF. An increased plasma level of CXCL1 was exhibited in IPAF compared to idiopathic interstitial pneumonia (IIP), chronic obstructive pulmonary disease (COPD), and healthy controls. Additionally, plasma CXCL1 levels were clinically associated with diffusing capacity of the lungs for carbon monoxide (DLCO), erythrocyte sedimentation rate (ESR), and involved parenchyma extension in IPAF...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27941755/fibroblastic-foci-covered-with-alveolar-epithelia-exhibiting-epithelial-mesenchymal-transition-destroy-alveolar-septa-by-disrupting-blood-flow-in-idiopathic-pulmonary-fibrosis
#10
Miki Yamaguchi, Sachie Hirai, Yusuke Tanaka, Toshiyuki Sumi, Masahiro Miyajima, Taijiro Mishina, Gen Yamada, Mitsuo Otsuka, Tadashi Hasegawa, Takashi Kojima, Toshiro Niki, Atsushi Watanabe, Hiroki Takahashi, Yuji Sakuma
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive interstitial lung disease of unknown cause. IPF has a distinct histopathological pattern of usual interstitial pneumonia in which fibroblastic foci (FF) represent the leading edge of fibrotic destruction of the lung. Currently there are three major hypotheses for how FF are generated: (1) from resident fibroblasts, (2) from bone marrow-derived progenitors of fibroblasts, and (3) from alveolar epithelial cells that have undergone epithelial-mesenchymal transition (EMT)...
December 12, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27932290/the-diagnosis-of-idiopathic-pulmonary-fibrosis-current-and-future-approaches
#11
REVIEW
Fernando J Martinez, Alison Chisholm, Harold R Collard, Kevin R Flaherty, Jeffrey Myers, Ganesh Raghu, Simon L F Walsh, Eric S White, Luca Richeldi
With the recent development of two effective treatments for patients with idiopathic pulmonary fibrosis, an accurate diagnosis is crucial. The traditional approach to diagnosis emphasises the importance of thorough clinical and laboratory evaluations to exclude secondary causes of disease. High-resolution CT is a critical initial diagnostic test and acts as a tool to identify patients who should undergo surgical lung biopsy to secure a definitive histological diagnosis of usual interstitial pneumonia pattern...
January 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/27888985/azathioprine-response-in-patients-with-fibrotic-connective-tissue-disease-associated-interstitial-lung-disease
#12
Justin M Oldham, Cathryn Lee, Eleanor Valenzi, Leah J Witt, Ayodeji Adegunsoye, Scully Hsu, Lena Chen, Steven Montner, Jonathan H Chung, Imre Noth, Rekha Vij, Mary E Strek
BACKGROUND: Azathioprine is a commonly prescribed therapy for connective tissue disease-associated interstitial lung disease (CTD-ILD). Combination therapy that included azathioprine was recently shown to increase the risk of death and hospitalization in patients with idiopathic pulmonary fibrosis. Whether azathioprine increases the risk of adverse outcomes in patients with fibrotic CTD-ILD, including those with CTD-associated usual interstitial pneumonia (UIP), remains unknown. METHODS: A retrospective cohort analysis was performed to determine the combined incidence rate of death, transplant and respiratory hospitalization associated with azathioprine exposure...
December 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27884593/idiopathic-interstitial-pneumonia-associated-pulmonary-hypertension-a-target-for-therapy
#13
Steven D Nathan, Jürgen Behr, Vincent Cottin, Harold R Collard, Marius M Hoeper, Fernando J Martinez, Athol U Wells
Advances in the treatment of idiopathic interstitial pneumonia (IIP) represent an urgent, unmet medical need for patients with this category of diffuse parenchymal lung disease. IIPs involve varying combinations of fibrosis and inflammation of unknown cause and may be associated with pulmonary hypertension (PH). When it occurs, PH is associated with higher oxygen needs, greater functional impairment, and increased mortality. However, whether or when PH is a maladaptive versus adaptive phenomenon remains to be determined...
November 5, 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27865876/interstitial-lung-disease-in-the-elderly
#14
Karen C Patterson, Rupal J Shah, Mary K Porteous, Jason D Christie, Carly D'Errico, Matthew Chadwick, Matthew Triano, Charuhas Deshpande, Milton D Rossman, Leslie A Litzky, Maryl E Kreider, Wallace T Miller
BACKGROUND: Despite the relationship of idiopathic pulmonary fibrosis (IPF) with advancing age, little is known about the epidemiology of interstitial lung diseases (ILD) in the elderly. Here we describe the diagnoses, clinical characteristics, and outcomes of patients who were elderly at the time of ILD diagnosis. METHODS: Among subjects from a prospective cohort study of ILD, elderly was defined as age > 70. Diagnoses were derived from a multi-disciplinary review...
November 16, 2016: Chest
https://www.readbyqxmd.com/read/27860028/hrct-features-of-surgically-resected-invasive-mucinous-adenocarcinoma-associated-with-interstitial-pneumonia
#15
Atsushi Miyamoto, Atsuko Kurosaki, Takeshi Fujii, Kazuma Kishi, Sakae Homma
BACKGROUND AND OBJECTIVE: Lung cancer is prevalent among patients with interstitial pneumonia (IP). HRCT findings mucinous adenocarcinoma in patients with IP have not been described. METHODS: In 112 consecutive patients with 120 surgically resected IP-associated lung cancers, 42 patients had pathologically proven invasive adenocarcinoma (IA). A total of 14 out of 42 patients (10 men, 4 women, mean age, 68.4 years) had invasive mucinous adenocarcinoma. We reviewed the patients' medical records and HRCT scans...
November 18, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27853529/current-concepts-and-dilemmas-in-idiopathic-interstitial-pneumonias
#16
REVIEW
Jay H Ryu, Teng Moua, Natalya Azadeh, Misbah Baqir, Eunhee S Yi
Idiopathic interstitial pneumonias comprise approximately one-third of interstitial lung diseases (also called diffuse parenchymal infiltrative lung diseases). The classification of idiopathic interstitial pneumonias has undergone several revisions since the initial description of 40 years ago, and the most recent version was published in 2013. Although some aspects have been clarified, this group of heterogeneous disorders continues to be a source of confusion and misunderstanding in clinical applications...
2016: F1000Research
https://www.readbyqxmd.com/read/27853036/idiopathic-pulmonary-fibrosis-misdiagnosed-as-sputum-negative-pulmonary-tuberculosis
#17
Muhammad Danasabe Isah, Aminu Abbas, Abdullahi A Abba, Mohammed Umar
Idiopathic pulmonary fibrosis (IPF), also known as cryptogenic fibrosing alveolitis, is one of a spectrum of idiopathic interstitial pneumonia. IPF is an increasingly common condition which poses many diagnostic and therapeutic challenges leading to misdiagnosis and mismanagement. We presented a 55-year-old male textile trader who was initially managed as sputum-negative pulmonary tuberculosis before histology report. He presented to our clinic with Breathlessness and cough of 3 years and 2.5 years, respectively...
October 2016: Annals of African Medicine
https://www.readbyqxmd.com/read/27836954/serum-ykl-40-as-predictor-of-outcome-in-hypersensitivity-pneumonitis
#18
Xiaoping Long, Xuan He, Shinichiro Ohshimo, Matthias Griese, Rafael Sarria, Josune Guzman, Ulrich Costabel, Francesco Bonella
YKL-40, a chitinase-like protein mainly secreted by macrophages, neutrophils and epithelial cells, is increased in patients with idiopathic interstitial pneumonia and sarcoidosis. We aimed to investigate the role of YKL-40 as a biomarker in hypersensitivity pneumonitis (HP).72 HP patients, 100 interstitial lung disease (ILD) controls and 60 healthy controls were studied. YKL-40 was measured by ELISA in serum and bronchoalveolar lavage fluid (BALF) at baseline and follow-up. The relationship between YKL-40 levels, clinical variables and disease outcome was evaluated...
November 11, 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27836952/prevalence-and-characteristics-of-tert-and-terc-mutations-in-suspected-genetic-pulmonary-fibrosis
#19
Raphael Borie, Laure Tabèze, Gabriel Thabut, Hilario Nunes, Vincent Cottin, Sylvain Marchand-Adam, Grégoire Prevot, Abdellatif Tazi, Jacques Cadranel, Herve Mal, Lidwine Wemeau-Stervinou, Anne Bergeron Lafaurie, Dominique Israel-Biet, Clement Picard, Martine Reynaud Gaubert, Stephane Jouneau, Jean-Marc Naccache, Julie Mankikian, Christelle Ménard, Jean-François Cordier, Dominique Valeyre, Marion Reocreux, Bernard Grandchamp, Patrick Revy, Caroline Kannengiesser, Bruno Crestani
Telomerase reverse transcriptase (TERT) or telomerase RNA (TERC) gene mutation is a major monogenic cause of pulmonary fibrosis. Sequencing of TERT/TERC genes is proposed to patients with familial pulmonary fibrosis. Little is known about the possible predictors of this mutation and its impact on prognosis.We retrospectively analysed all the genetic diagnoses made between 2007-2014 in patients with pulmonary fibrosis. We evaluated the prevalence of TERT/TERC disease-associated variant (DAV), factors associated with a DAV, and the impact of the DAV on survival...
December 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27829068/clinical-course-and-changes-in-high-resolution-computed-tomography-findings-in-patients-with-idiopathic-pulmonary-fibrosis-without-honeycombing
#20
Hiroyoshi Yamauchi, Masashi Bando, Tomohisa Baba, Kensuke Kataoka, Yoshihito Yamada, Hiroshi Yamamoto, Atsushi Miyamoto, Soichiro Ikushima, Takeshi Johkoh, Fumikazu Sakai, Yasuhiro Terasaki, Akira Hebisawa, Yoshinori Kawabata, Yukihiko Sugiyama, Takashi Ogura
Some patients with idiopathic pulmonary fibrosis (IPF) do not have honeycombing on high-resolution computed tomography (HRCT) at their initial evaluation. The clinical course and sequential changes in HRCT findings in these patients are not fully understood. We reviewed the cases of 43 patients with IPF without honeycombing on initial HRCT from institutions throughout Japan. All patients were diagnosed with IPF based on a surgical lung biopsy. Multidisciplinary discussions were held five times between 2011 and 2014, to exclude alternative etiologies...
2016: PloS One
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