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Pulmonary development

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https://www.readbyqxmd.com/read/28742859/whole-blood-microrna-expression-may-not-be-useful-for-screening-non-small-cell-lung-cancer
#1
Santosh K Patnaik, Eric D Kannisto, Reema Mallick, Anil Vachani, Sai Yendamuri
At least seven studies have suggested that microRNA levels in whole blood can be diagnostic for lung cancer. We conducted a large bi-institutional study to validate this. Qiagen® PAXgene™ Blood miRNA System was used to collect blood and extract RNA from it for 85 pathologic stage I-IV non-small cell lung cancer (NSCLC) cases and 76 clinically-relevant controls who had a benign pulmonary mass, or a high risk of developing lung cancer because of a history of cigarette smoking or age >60 years. Cases and controls were similar for age, gender, race, and blood hemoglobin and leukocyte but not platelet levels (0...
2017: PloS One
https://www.readbyqxmd.com/read/28742815/il33-mediated-ilc2-activation-and-neutrophil-il5-production-in-the-lung-response-after-severe-trauma-a-reverse-translation-study-from-a-human-cohort-to-a-mouse-trauma-model
#2
Jing Xu, Jesse Guardado, Rosemary Hoffman, Hui Xu, Rami Namas, Yoram Vodovotz, Li Xu, Mostafa Ramadan, Joshua Brown, Heth R Turnquist, Timothy R Billiar
BACKGROUND: The immunosuppression and immune dysregulation that follows severe injury includes type 2 immune responses manifested by elevations in interleukin (IL) 4, IL5, and IL13 early after injury. We hypothesized that IL33, an alarmin released early after tissue injury and a known regulator of type 2 immunity, contributes to the early type 2 immune responses after systemic injury. METHODS AND FINDINGS: Blunt trauma patients admitted to the trauma intensive care unit of a level I trauma center were enrolled in an observational study that included frequent blood sampling...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28742789/evaluation-of-appropriate-venous-thromboembolism-prophylaxis-in-orthopaedic-trauma-patients-with-symptom-driven-vascular-and-radiographic-studies
#3
Christopher M Domes, Anneliese M Schleyer, James M McQueen, Ronald F Pergamit, Daphne M Beingessner
OBJECTIVE: To evaluate venous thromboembolism (VTE) prophylaxis adherence and effectiveness in orthopaedic trauma patients who had vascular or radiographic studies showing deep vein thromboses (DVTs) or pulmonary emboli (PEs). DESIGN: Retrospective review SETTING:: This study was conducted at a level I trauma center that independently services a 5 state region. The medical records of patients treated surgically between July 2010 and March 2013 were interrogated using a technical tool that electronically captures thrombotic event data from vascular and radiologic imaging studies via natural language processing...
July 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28742113/addition-of-17-allylamino-17-demethoxygeldanamycin-to-a-suboptimal-caspofungin-treatment-regimen-in-neutropenic-rats-with-invasive-pulmonary-aspergillosis-delays-the-time-to-death-but-does-not-enhance-the-overall-therapeutic-efficacy
#4
Jeannine M Refos, Alieke G Vonk, Marian T Ten Kate, Kimberly Eadie, Henri A Verbrugh, Irma A J M Bakker-Woudenberg, Wendy W J van de Sande
Caspofungin (CAS) which is used as salvage therapy in patients with invasive pulmonary aspergillosis (IPA) inhibits the 1,3-β-D-glucan synthesis in Aspergillus fumigatus. Inhibiting 1,3-β-D-glucan synthesis induces a stress response and in an invertebrate model it was demonstrated that inhibiting this response with geldamycin enhanced the therapeutic efficacy of CAS. Since geldamycin itself is toxic to mammalians, the therapeutic efficacy of combining geldamycin with CAS was not studied in rodent models. Therefore in this study we investigated if the geldamycin derivate 17-(allylamino)-17-demethoxygeldanamycin (17-AAG) was able to enhance the therapeutic efficacy of CAS in vitro and in our IPA model in transiently neutropenic rats...
2017: PloS One
https://www.readbyqxmd.com/read/28741972/the-effect-of-zirconium-doping-of-cerium-dioxide-nanoparticles-on-pulmonary-and-cardiovascular-toxicity-and-biodistribution-in-mice-after-inhalation
#5
Susan Dekkers, Mark R Miller, Roel P F Schins, Isabella Römer, Mike Russ, Rob J Vandebriel, Iseult Lynch, Marie-France Belinga-Desaunay, Eugenia Valsami-Jones, Shea P Connell, Ian P Smith, Rodger Duffin, John A F Boere, Harm J Heusinkveld, Catrin Albrecht, Wim H de Jong, Flemming R Cassee
Development and manufacture of nanomaterials is growing at an exponential rate, despite an incomplete understanding of how their physicochemical characteristics affect their potential toxicity. Redox activity has been suggested to be an important physicochemical property of nanomaterials to predict their biological activity. This study assessed the influence of redox activity by modification of cerium dioxide nanoparticles (CeO2 NPs) via zirconium (Zr) doping on the biodistribution, pulmonary and cardiovascular effects in mice following inhalation...
July 25, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28741603/role-of-the-lung-microbiome-in-the-pathogenesis-of-chronic-obstructive-pulmonary-disease
#6
REVIEW
Lei Wang, Ke Hao, Ting Yang, Chen Wang
OBJECTIVE: The development of culture-independent techniques for microbiological analysis shows that bronchial tree is not sterile in either healthy or chronic obstructive pulmonary disease (COPD) individuals. With the advance of sequencing technologies, lung microbiome has become a new frontier for pulmonary disease research, and such advance has led to better understanding of the lung microbiome in COPD. This review aimed to summarize the recent advances in lung microbiome, its relationships with COPD, and the possible mechanisms that microbiome contributed to COPD pathogenesis...
July 24, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28741444/mild-pulmonary-emphysema-a-risk-factor-for-interstitial-lung-disease-when-using-cetuximab-for-squamous-cell-carcinoma-of-the-head-and-neck
#7
Isaku Okamoto, Kiyoaki Tsukahara, Hiroki Sato, Ray Motohashi, Daisuke Yunaiyama, Akira Shimizu
BACKGROUND: Interstitial lung disease (ILD) is an occasionally fatal adverse event associated with cetuximab (Cmab) therapy. Our objective was to clarify to what degree pulmonary emphysema is a risk factor in the treatment of head and neck cancer with Cmab through a retrospective analysis. METHODS: Subjects were 116 patients who were administered Cmab for head and neck squamous cell carcinoma. The degree of pulmonary emphysema before initiating treatment with Cmab was visually assessed retrospectively, with scoring according to the Goddard classification used in Japanese chronic obstructive pulmonary disease (COPD) guidelines for chest computed tomography (CT)...
July 25, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28741229/inhaled-antimicrobials-for-ventilator-associated-pneumonia-practical-aspects
#8
Garyphallia Poulakou, Dimitrios K Matthaiou, David P Nicolau, Georgios Siakallis, George Dimopoulos
Positive experience with inhaled antibiotics in pulmonary infections of patients with cystic fibrosis has paved the way for their utilization in mechanically ventilated, critically ill patients with lower respiratory tract infections. A successful antibiotic delivery depends upon the size of the generated particle and the elimination of drug impaction in the large airways and the ventilator circuit. Generated droplet size is mainly affected by the type of the nebulizer employed. Currently, jet, ultrasonic, and vibrating mesh nebulizers are marketed; the latter can deliver optimal antibiotic particle size...
July 24, 2017: Drugs
https://www.readbyqxmd.com/read/28741093/fetal-right-ventricular-prominence-associated-postnatal-abnormalities-and-coarctation-clinical-prediction-tool
#9
Alyssa Power, Alberto Nettel-Aguirre, Deborah Fruitman
Fetal right ventricular (RV) prominence is a known indicator of possible left-sided structural heart disease with a low positive predictive value for aortic coarctation. There is a paucity of data on identifying which fetuses with RV prominence will have postnatal arch obstruction. Our study objectives were to create a clinical prediction tool for coarctation and to describe the diagnostic outcomes of our cohort with fetal RV prominence. We performed a retrospective review of patients referred with fetal RV prominence from January 2009 to October 2015...
July 24, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28740835/severe-pulmonary-hypertension-due-to-combined-pulmonary-fibrosis-and-emphysema-another-cause-of-death-among-smokers
#10
REVIEW
André Carramenha de Góes Hirano, Eduardo Pelegrineti Targueta, Fernando Peixoto Ferraz de Campos, João Augusto Dos Santos Martines, Dafne Andrade, Silvana Maria Lovisolo, Aloisio Felipe-Silva
In 2005, the combined pulmonary fibrosis and emphysema (CPFE) was first defined as a distinct entity, which comprised centrilobular or paraseptal emphysema in the upper pulmonary lobes, and fibrosis in the lower lobes accompanied by reduced diffused capacity of the lungs for carbon monoxide (DLCO). Recently, the fibrosis associated with the connective tissue disease was also included in the diagnosis of CPFE, although the exposure to tobacco, coal, welding, agrochemical compounds, and tire manufacturing are the most frequent causative agents...
April 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/28740697/successful-treatment-of-acute-respiratory-failure-in-a-patient-with-pulmonary-mycobacterium-abscessus-infection-accompanied-by-organizing-pneumonia
#11
Goohyeon Hong, Doh Hyung Kim, Youn Seup Kim
Organizing pneumonia (OP) is an inflammatory lung disease characterized pathologically by the presence of buds of granulation tissue in the distal air spaces. There are numerous causes of OP including acute respiratory infections such as viral and bacterial infections. However, Mycobacterium abscessus (M. abscessus) has rarely been reported as a causative pathogen of OP. Here, we report a 67-year-old woman with rapidly progressive pulmonary M. abscessus infection who developed OP and acute respiratory failure (ARF)...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740683/four-arms-robotic-assisted-pulmonary-resection-left-lower-lobectomy-how-to-do-it
#12
Alessandro Pardolesi, Luca Bertolaccini, Jury Brandolini, Piergiorgio Solli
Numerous published articles have shown the safety and efficacy of robotic lung resection, including lobectomy. The robotic approach offers similar survival rate to the open and video-assisted thoracoscopic surgery methods. Potential advantages provided by robotic technology, such as three-dimensional (3D) high-quality camera, wristed tools and ergonomic ease that seems to overcome certain video-assisted thoracic surgery (VATS) limits have been widely described. Several techniques have been developed by different surgeons to perform a robotic lobectomy...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740625/pulmonary-valve-replacement-in-patients-with-corrected-tetralogy-of-fallot
#13
Fotios M Mitropoulos, Meletios A Kanakis, Christos Ntellos, Constantinos Loukas, Periklis Davlouros, Theophili Kousi, Andrew C Chatzis
Introduction: Development of pulmonary insufficiency in patients with surgically corrected tetralogy of Fallot (TOF) may lead to severe right heart failure with serious consequences. We herein present our experience with pulmonary valve replacement (PVR) in these patients. Methods: From 2005-2013, 99 consecutive patients (71 males/28 females, mean age 38±8 years), underwent PVR after 7 to 40 (mean 29 ± 8) years from the initial correction. Seventy nine of the symptomatic patients presented in NYHA II, 14 in III and 2 in IV...
2017: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/28740491/nod-like-receptor-p3-inflammasome-controls-protective-th1-th17-immunity-against-pulmonary-paracoccidioidomycosis
#14
Claudia Feriotti, Eliseu Frank de Araújo, Flavio Vieira Loures, Tania Alves da Costa, Nayane Alves de Lima Galdino, Dario Simões Zamboni, Vera Lucia Garcia Calich
The NOD-like receptor P3 (NLRP3) inflammasome is an intracellular multimeric complex that triggers the activation of inflammatory caspases and the maturation of IL-1β and IL-18, important cytokines for the innate immune response against pathogens. The functional NLRP3 inflammasome complex consists of NLRP3, the adaptor protein apoptosis-associated speck-like protein, and caspase-1. Various molecular mechanisms were associated with NLRP3 activation including the presence of extracellular ATP, recognized by the cell surface P2X7 receptor (P2X7R)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28740444/effective-deployment-of-technology-supported-management-of-chronic-respiratory-conditions-a-call-for-stakeholder-engagement
#15
Richard W Costello, Alexandra L Dima, Dermot Ryan, R Andrew McIvor, Kay Boycott, Alison Chisholm, David Price, John D Blakey
BACKGROUND: Healthcare systems are under increasing strain, predominantly due to chronic non-communicable diseases. Connected healthcare technologies are becoming ever more capable and their components cheaper. These innovations could facilitate both self-management and more efficient use of healthcare resources for common respiratory diseases such as asthma and chronic obstructive pulmonary disease. However, newer technologies can only facilitate major changes in practice, and cannot accomplish them in isolation...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/28740377/mathematical-modeling-of-postcoinfection-with-influenza-a-virus-and-streptococcus-pneumoniae-with-implications-for-pneumonia-and-copd-risk-assessment
#16
Yi-Hsien Cheng, Shu-Han You, Yi-Jun Lin, Szu-Chieh Chen, Wei-Yu Chen, Wei-Chun Chou, Nan-Hung Hsieh, Chung-Min Liao
BACKGROUND: The interaction between influenza and pneumococcus is important for understanding how coinfection may exacerbate pneumonia. Secondary pneumococcal pneumonia associated with influenza infection is more likely to increase respiratory morbidity and mortality. This study aimed to assess exacerbated inflammatory effects posed by secondary pneumococcal pneumonia, given prior influenza infection. MATERIALS AND METHODS: A well-derived mathematical within-host dynamic model of coinfection with influenza A virus and Streptococcus pneumoniae (SP) integrated with dose-response relationships composed of previously published mouse experimental data and clinical studies was implemented to study potentially exacerbated inflammatory responses in pneumonia based on a probabilistic approach...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28740373/glycated-hemoglobin-a1c-based-adjusted-glycemic-variables-in-patients-with-diabetes-presenting-with-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#17
Chih-Jen Yang, Wen-I Liao, Zun-Cheng Tang, Jen-Chun Wang, Chien-Hsing Lee, Wei-Chou Chang, Chin-Wang Hsu, Shih-En Tang, Shih-Hung Tsai
Acute hyperglycemia is a common finding in patients presenting to emergency departments (EDs) with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Several studies have argued against the association between hyperglycemia at admission and adverse outcomes in patients with diabetes and an acute illness. Recent studies have shown that glucose-related variables (eg, glycemic gaps and stress hyperglycemia ratios) that are adjusted for glycated hemoglobin levels can indicate the severity of a variety of diseases...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28739794/population-pharmacokinetics-of-azd-5847-in-adults-with-pulmonary-tuberculosis
#18
Abdullah Alsultan, Jennifer J Furin, Jeannine Du Bois, Elana van Brakel, Phalkun Chheng, Amour Venter, Bonnie Thiel, Sara A Debanne, W Henry Boom, Andreas H Diacon, John L Johnson, Charles A Peloquin
AZD-5847 is a new oxazolidinone derivative under development for the treatment of tuberculosis. In this study we describe the population pharmacokinetics of AZD-5847 in patients with tuberculosis based on a recently completed phase II study. The study included 60 patients with drug susceptible TB. Patients were randomized to four doses (500 mg once daily, 1200 mg once daily, 500 mg twice daily and 800 mg twice daily). Patients were intensively sampled on day 1 and 14. AZD-5847 pharmacokinetics were best described with a two compartment system with tlag for absorption...
July 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28739752/severe-cardiotoxicity-in-a-patient-with-colorectal-cancer-treated-with-bevacizumab
#19
Jian Chen, Fengcai DU, Baohong Hu, Cheng Chi, Hongjin Chu, Lixin Jiang, Peng Li, Zhaohua Gong
BACKGROUND/AIM: Bevacizumab combined with standard chemotherapeutics has become a choice of treatment for several kinds of cancers. Hypertension, third-degree albuminuria, thrombosis and cardiotoxicity are the reported side-effects of bevacizumab. Among them, cardiotoxicity is a most severe, but rare outcome. We report a case of a 62-year-old female with colorectal carcinoma who was given bevacizumab-containing chemotherapy for more than 20 months and achieved a stable disease during the entire course of treatment...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739343/inhibition-of-cell-apoptosis-and-amelioration-of-pulmonary-fibrosis-by-thrombomodulin
#20
Kentaro Fujiwara, Tetsu Kobayashi, Hajime Fujimoto, Hiroki Nakahara, Corina N D'Alessandro-Gabazza, Josephine A Hinneh, Yoshinori Takahashi, Taro Yasuma, Kota Nishihama, Masaaki Toda, Masahiro Kajiki, Yoshiyuki Takei, Osamu Taguchi, Esteban C Gabazza
Pulmonary fibrosis is the terminal stage of a group of idiopathic interstitial pneumonias, of which idiopathic pulmonary fibrosis is the most frequent and fatal form. Recent studies have shown that recombinant human thrombomodulin improves exacerbation and clinical outcome of idiopathic pulmonary fibrosis, but the mechanism remains unknown. This study evaluated the mechanistic pathways of the inhibitory activity of recombinant human thrombomodulin in pulmonary fibrosis. Transgenic mice overexpressing human transforming growth factor β1 that develop spontaneously pulmonary fibrosis and wild-type mice treated with bleomycin were used as model of lung fibrosis...
July 21, 2017: American Journal of Pathology
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