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https://www.readbyqxmd.com/read/28317087/imaging-and-clinicopathological-features-of-nivolumab-related-cholangitis-in-patients-with-non-small-cell-lung-cancer
#1
Hisato Kawakami, Junko Tanizaki, Kaoru Tanaka, Koji Haratani, Hidetoshi Hayashi, Masayuki Takeda, Ken Kamata, Mamoru Takenaka, Masatomo Kimura, Takaaki Chikugo, Takao Sato, Masatoshi Kudo, Akihiko Ito, Kazuhiko Nakagawa
Background Nivolumab demonstrates promising efficacy for the treatment of non-small cell lung cancer and other malignancies. The clinical benefit of nivolumab, however, may be hampered by specific immune-related adverse events (irAEs), and little is known regarding nivolumab-related cholangitis. Methods A computerized search of our clinical database identified 3 metastatic non-small cell lung cancer patients with nivolumab-related cholangitis. All patients were treated with intravenous nivolumab monotherapy (3...
March 20, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28301997/hepatocellular-carcinoma-in-the-cirrhotic-liver-evaluation-using-computed-tomography-and-magnetic-resonance-imaging
#2
Mehmet Coskun
Hepatocellular carcinoma is the fifth most common tumor in patients worldwide and the third most common cause of cancer-related death, after lung and stomach cancer. Cirrhosis of the liver is the strongest predisposing factor for hepatocellular carcinoma, with approximately 80% of cases of hepatocellular carcinoma developing in a cirrhotic liver. The annual incidence of hepatocellular carcinoma is 2.0% to 6.6% in patients with cirrhosis compared with 0.4% in patients without cirrhosis. The 5-year survival rates of patients undergoing curative therapies for hepatocellular carcinoma, including liver transplant, hepatic resection, and percutaneous ablative techniques, range between 40% and 75%...
March 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28300570/idiopathic-interstitial-pneumonia-associated-with-autoantibodies-a-large-case-series-followed-over-one-year
#3
Bridget F Collins, Charles F Spiekerman, Megan A Shaw, Lawrence A Ho, Jennifer Hayes, Carolyn A Spada, Caroline M Stamato, Ganesh Raghu
BACKGROUND: Some patients with autoimmune characteristics and idiopathic interstitial pneumonia (IIP), particularly usual interstitial pneumonia (UIP), do not fit neatly into the category of connective tissue disease associated interstitial lung disease (CTD-ILD), idiopathic pulmonary fibrosis (IPF) or recently proposed yet to be validated criteria for interstitial pneumonia with autoimmune features (IPAF). Outcomes of these patients are unknown. METHODS: Retrospective single center study; ANOVA analyses compared differences in mean change in forced vital capacity (FVC) and diffusion capacity (DLCO) over 1-year among 124 well defined patients (20 AI-ILD [positive autoantibodies with or without symptoms of CTD], 15 IPAF, 36 CTD-ILD, 53 "Lone-IPF" [patients with IPF without any autoantibodies]) RESULTS: 75% of patients with AI-ILD, 33% IPAF, and 33% CTD-ILD had UIP...
March 11, 2017: Chest
https://www.readbyqxmd.com/read/28298960/lung-volume-reduction-coils-as-a-novel-bronchoscopic-treatment-for-emphysema
#4
Timothy A Connolly
Chronic obstructive pulmonary disease remains a major cause of morbidity and mortality worldwide. Despite regular advances in pharmacology, there remains great potential for addressing structural deficiencies, especially in emphysema. The loss of alveolar attachments to small bronchial tubes results in diffuse loss of elastic recoil and airway collapse during exhalation. This appears physiologically as hyperinflation of lung volumes with flattened diaphragms and significantly elevated residual volumes (RV) on pulmonary function testing (predicted RV > 175%)...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28297921/dephasing-and-diffusion-on-the-alveolar-surface
#5
L R Buschle, F T Kurz, T Kampf, W L Wagner, J Duerr, W Stiller, P Konietzke, F Wünnemann, M A Mall, M O Wielpütz, H P Schlemmer, C H Ziener
We propose a surface model of spin dephasing in lung tissue that includes both susceptibility and diffusion effects to provide a closed-form solution of the Bloch-Torrey equation on the alveolar surface. The nonlocal susceptibility effects of the model are validated against numerical simulations of spin dephasing in a realistic lung tissue geometry acquired from synchotron-based μCT data sets of mouse lung tissue, and against simulations in the well-known Wigner-Seitz model geometry. The free induction decay is obtained in dependence on microscopic tissue parameters and agrees very well with in vivo lung measurements at 1...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28293128/exhaled-nitric-oxide-in-systemic-sclerosis-lung-disease
#6
Natalie K Kozij, John T Granton, Philip E Silkoff, John Thenganatt, Shobha Chakravorty, Sindhu R Johnson
Background. Exhaled nitric oxide (eNO) is a potential biomarker to distinguish systemic sclerosis (SSc) associated pulmonary arterial hypertension (PAH) and interstitial lung disease (ILD). We evaluated the discriminative validity, feasibility, methods of eNO measurement, and magnitude of differences across lung diseases, disease-subsets (SSc, systemic lupus erythematosus), and healthy-controls. Methods. Consecutive subjects in the UHN Pulmonary Hypertension Programme were recruited. Exhaled nitric oxide was measured at 50 mL/s intervals using chemiluminescent detection...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28287506/assessment-of-pulmonary-capillary-blood-volume-membrane-diffusing-capacity-and-intrapulmonary-arteriovenous-anastomoses-during-exercise
#7
Vincent Tedjasaputra, Sean van Diepen, Sophie É Collins, Wade M Michaelchuk, Michael K Stickland
Exercise is a stress to the pulmonary vasculature. With incremental exercise, the pulmonary diffusing capacity (DLCO) must increase to meet the increased oxygen demand; otherwise, a diffusion limitation may occur. The increase in DLCO with exercise is due to increased capillary blood volume (Vc) and membrane diffusing capacity (Dm). Vc and Dm increase secondary to the recruitment and distension of pulmonary capillaries, increasing the surface area for gas exchange and decreasing pulmonary vascular resistance, thereby attenuating the increase in pulmonary arterial pressure...
February 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28277892/development-of-optimized-inhalable-gemcitabine-loaded-gelatin-nanocarriers-for-lung-cancer
#8
Susanne R Youngren-Ortiz, David B Hill, Peter R Hoffmann, Kenneth R Morris, Edward G Barrett, M Gregory Forest, Mahavir B Chougule
BACKGROUND: Aerosol delivery of chemotherapeutic nanocarriers represents a promising alternative for lung cancer therapy. This study optimized gemcitabine (Gem)-loaded gelatin nanocarriers (GNCs) cross-linked with genipin (Gem-GNCs) to evaluate their potential for nebulized lung cancer treatment. METHODS: Gem-GNCs were prepared by two-step desolvation and optimized through Taguchi design and characterized for physicochemical properties. Particle size and morphology were confirmed by scanning and transmission electron microscopy...
March 9, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28275605/unrelenting-ocular-pain-as-a-masquerading-symptom-of-occult-choroidal-metastasis
#9
Jordan D Deaner, Renelle Pointdujour-Lim, Emil Anthony T Say, Carol L Shields
PURPOSE: To report a case of chronic eye pain as a presenting feature of choroidal metastasis from lung cancer. METHODS: We report the case of a 58-year-old Caucasian woman with stage IV lung adenocarcinoma presenting with an 8-month history of left eye pain and blurred vision. RESULTS: The patient had previously consulted 14 ophthalmologists with varying diagnoses including posterior scleritis and trigeminal neuralgia. Visual acuity at presentation was 20/20 in the right eye and 20/80 in the left eye...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28275536/rheumatoid-arthritis-associated-pulmonary-hypertension-clinical-challenges-reflecting-the-diversity-of-pathophysiology
#10
Evangelia Panagiotidou, Evdokia Sourla, Serafim Xrisovalantis Kotoulas, Sofia Akritidou, Vasileios Bikos, Vasileios Bagalas, Ioannis Stanopoulos, Georgia Pitsiou
The present article reports three clinical cases in order to elucidate the diversity of the pathophysiological mechanisms that underlie rheumatoid arthritis associated pulmonary hypertension. The condition's three major causes are: interstitial lung disease, vasculitis, and chronic thromboembolic disease, but it should be noted that the multiple pulmonary manifestations of rheumatoid arthritis, can all contribute to chronic lung disease or hypoxia. The first patient in this report suffered from moderate restriction due to fibrosis and was diagnosed with pulmonary hypertension during an episode of life threatening hypoxia...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28275493/differential-diagnosis-of-acute-miliary-pulmonary-tuberculosis-from-widespread-metastatic-cancer-for-postoperative-lung-cancer-patients-two-cases
#11
Wei Zhao, Yuke Tian, Feng Peng, Jianlin Long, Lan Liu, Meijuan Huang, You Lu
Pulmonary infections and lung cancer can resemble each other on radiographic images, which makes it difficult to diagnosis accurately and apply an appropriate therapy. Here we report two cases that two postoperative patients with lung adenocarcinoma developed diffuse nodules in bilateral lungs in a month which needed to be distinguished between metastatic malignancies and infectious diseases. Although there are much similarities in disease characteristics of two cases, patient in case one was diagnosed as acute miliary pulmonary tuberculosis (TB) while patient in case two was diagnosed as metastatic disease...
February 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28275485/serum-kl-6-and-surfactant-protein-d-as-monitoring-and-predictive-markers-of-interstitial-lung-disease-in-patients-with-systemic-sclerosis-and-mixed-connective-tissue-disease
#12
Hideaki Yamakawa, Eri Hagiwara, Hideya Kitamura, Yumie Yamanaka, Satoshi Ikeda, Akimasa Sekine, Tomohisa Baba, Koji Okudela, Tae Iwasawa, Tamiko Takemura, Kazuyoshi Kuwano, Takashi Ogura
BACKGROUND: Interstitial lung disease (ILD) is frequent complication of systemic sclerosis (SSc) and mixed connective tissue disease (MCTD). The disease is heterogeneous, and its outcome is unpredictable. Some patients have severe and progressive deterioration of ILD, which is the leading cause of mortality. We aimed to determine whether serum levels of Krebs von den Lungen-6 (KL-6) and surfactant protein-D (SP-D) correlate with SSc/MCTD-associated ILD activity. METHODS: We retrospectively analyzed the medical records of 40 patients with SSc/MCTD-associated ILD: 29 patients with SSc and 11 patients with MCTD...
February 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28266906/pirfenidone-for-the-treatment-of-idiopathic-pulmonary-fibrosis
#13
Peter M George, Athol U Wells
Idiopathic pulmonary fibrosis (IPF) is a diffuse parenchymal lung disease with no cure. Up until recently, no treatment had been proven to alter its natural history as judged by rate of lung function decline. In 2014 however, the emergence of two novel anti-fibrotic agents, Pirfenidone and Nintedanib revolutionized the management of this condition. Both have demonstrated the ability to deliver a major reduction in the rate of chronic IPF progression. Areas Covered: This review article focuses on Pirfenidone - a pyridone derivative initially designed as an analgesic and anti-pyretic agent...
March 7, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28264721/densitometric-and-local-histogram-based-analysis-of-computed-tomography-images-in-patients-with-idiopathic-pulmonary-fibrosis
#14
Samuel Y Ash, Rola Harmouche, Diego Lassala Lopez Vallejo, Julian A Villalba, Kris Ostridge, River Gunville, Carolyn E Come, Jorge Onieva Onieva, James C Ross, Gary M Hunninghake, Souheil Y El-Chemaly, Tracy J Doyle, Pietro Nardelli, Gonzalo V Sanchez-Ferrero, Hilary J Goldberg, Ivan O Rosas, Raul San Jose Estepar, George R Washko
BACKGROUND: Prior studies of clinical prognostication in idiopathic pulmonary fibrosis (IPF) using computed tomography (CT) have often used subjective analyses or have evaluated quantitative measures in isolation. This study examined associations between both densitometric and local histogram based quantitative CT measurements with pulmonary function test (PFT) parameters and mortality. In addition, this study sought to compare risk prediction scores that incorporate quantitative CT measures with previously described systems...
March 7, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28263112/accuracy-of-point-of-care-lung-ultrasonography-for-the-diagnosis-of-cardiogenic-pulmonary-edema-in-dogs-and-cats-with-acute-dyspnea
#15
Jessica L Ward, Gregory R Lisciandro, Bruce W Keene, Sandra P Tou, Teresa C DeFrancesco
OBJECTIVE To determine the accuracy of a point-of-care lung ultrasonography (LUS) protocol designed to diagnose cardiogenic pulmonary edema (CPE) in dyspneic dogs and cats. DESIGN Diagnostic test evaluation. ANIMALS 76 dogs and 24 cats evaluated for dyspnea. PROCEDURES Dogs and cats were evaluated by LUS; B lines were counted at 4 anatomic sites on each hemithorax. A site was scored as positive when > 3 B lines were identified. Animals with ≥ 2 positive sites identified on each hemithorax were considered positive for CPE...
March 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28258938/ventilation-distribution-and-small-airway-function-in-patients-with-systemic-sclerosis
#16
B R A Silva, R Rufino, C H Costa, V S Vilela, R A Levy, A J Lopes
BACKGROUND: Despite the importance of traditional pulmonary function tests (PFTs) in managing systemic sclerosis (SSc), many patients with pulmonary disease diagnosed by computed tomography (CT) present with normal PFTs. OBJECTIVE: To evaluate the efficacy of the nitrogen single-breath washout (N2SBW) test in diagnosing SSc and to correlate N2SBW parameters with the PFT indexes used in the follow-up of these patients, clinical data, and CT findings. METHODS: Cross-sectional study in which 52 consecutive SSc patients were subjected to spirometry, body plethysmography, analysis of the diffusing capacity for carbon monoxide (DLCO), analysis of respiratory muscle strength, N2SBW testing, and CT analysis...
March 1, 2017: Revista Portuguesa de Pneumologia
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
#17
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...
March 3, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28256572/clinicopathological-and-molecular-characterization-of-smarca4-deficient-thoracic-sarcomas-with-comparison-to-potentially-related-entities
#18
Akihiko Yoshida, Eisuke Kobayashi, Takashi Kubo, Makoto Kodaira, Toru Motoi, Noriko Motoi, Kan Yonemori, Yuichiro Ohe, Shun-Ichi Watanabe, Akira Kawai, Takashi Kohno, Hiroshi Kishimoto, Hitoshi Ichikawa, Nobuyoshi Hiraoka
A growing number of studies suggest critical tumor suppressor roles of the SWI/SNF chromatin remodeling complex in a variety of human cancers. The recent discovery of SMARCA4-deficient thoracic sarcomas has added to the list of tumor groups with the SMARCA4 inactivating mutation. To better characterize these tumors and establish their nosological status, we undertook a clinicopathological and molecular analysis of 12 SMARCA4-deficient thoracic sarcomas and compared them with three potentially related disease entities...
March 3, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28248548/lung-function-in-south-african-adolescents-infected-perinatally-with-hiv-and-treated-long-term-with-antiretroviral-therapy
#19
Leah Nyawira Githinji, Diane M Gray, Sipho Hlengwa, Landon Myer, Heather J Zar
RATIONALE: Lung disease is a common cause of mortality and morbidity in HIV-infected adolescents, but there is limited information on the spectrum of lung function impairment in adolescents on antiretroviral therapy. OBJECTIVES: To investigate lung function in HIV-infected adolescents on antiretroviral therapy in the Cape Town Adolescent Antiretroviral Cohort. METHODS: A total of 515 South African adolescents aged 9 to 14 years, stable on antiretroviral therapy for at least 6 months, underwent baseline lung function testing...
March 1, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28245447/transbronchial-lung-cryobiopsy-in-diffuse-parenchymal-lung-disease-comparison-between-biopsy-from-1-segment-and-biopsy-from-2-segments-diagnostic-yield-and-complications
#20
Claudia Ravaglia, Athol U Wells, Sara Tomassetti, Alessandra Dubini, Alberto Cavazza, Sara Piciucchi, Nicola Sverzellati, Carlo Gurioli, Christian Gurioli, Ulrich Costabel, Paola Tantalocco, Jay H Ryu, Marco Chilosi, Venerino Poletti
BACKGROUND: Transbronchial lung cryobiopsy is an innovative method of obtaining samples from the parenchyma of patients with diffuse parenchymal lung diseases. However, the technique is not yet standardized, and uncertainty exists about the optimal protocol, including the number of samples, the biopsy size, and the choice of the biopsy site. OBJECTIVES: To compare the diagnostic yield and complications of cryobiopsy with different strategies adopted to sample lung tissue (number of samples, biopsy site, and sample size)...
March 1, 2017: Respiration; International Review of Thoracic Diseases
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