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https://www.readbyqxmd.com/read/28918529/anatomic-repair-of-congenitally-corrected-transposition-of-the-great-arteries-single-center-intermediate-term-experience
#1
Shagun Sachdeva, Roni M Jacobsen, Ronald K Woods, Michael E Mitchell, Joseph R Cava, Nancy S Ghanayem, Peter C Frommelt, Peter J Bartz, James S Tweddell
We present our experience for patients who have undergone an anatomic repair (AR) for congenitally corrected transposition of the great arteries (CCTGA) at the Children's Hospital of Wisconsin. A retrospective chart review of patients who underwent AR for CCTGA from 2001 to 2015 was performed. The cohort consisted of 15 patients (74% male). Median age of anatomic repair was 15 months (range 4.5-45.6 months). Four patients had a bidirectional Glenn (BDG) prior to AR. At the time of AR,-9 (60%) underwent Senning/Rastelli procedure, 4 (26...
September 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28918442/the-role-of-periostin-in-lung-fibrosis-and-airway-remodeling
#2
REVIEW
David N O'Dwyer, Bethany B Moore
Periostin is a protein that plays a key role in development and repair within the biological matrix of the lung. As a matricellular protein that does not contribute to extracellular matrix structure, periostin interacts with other extracellular matrix proteins to regulate the composition of the matrix in the lung and other organs. In this review, we discuss the studies exploring the role of periostin to date in chronic respiratory diseases, namely asthma and idiopathic pulmonary fibrosis. Asthma is a major health problem globally affecting millions of people worldwide with significant associated morbidity and mortality...
September 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28918335/modern-diagnosis-of-chronic-thromboembolic-pulmonary-hypertension
#3
Aileen Kharat, Anne-Lise Hachulla, Stéphane Noble, Frédéric Lador
Chronic thromboembolic pulmonary hypertension (CTEPH) should be suspected in patients presenting persistent dyspnea three months after a pulmonary embolism or in patients presenting with acute pulmonary embolism and suggestive images on the CT-scan. For these patients, a specific diagnostic work-up should be performed. First step consists of the ventilation/perfusion (V/Q) scan which is a good screening test due to its high sensitivity and high negative predictive value. Pulmonary angiography remains the gold standard approach for the confirmation of the diagnosis and pre-surgical evaluation of CTEPH...
September 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28917991/enhanced-expression-of-pd-l1-and-ifn-%C3%AE-on-dendritic-cells-is-associated-with-bcg-induced-th2-inhibition
#4
A C C Gouveia, F G Braga, M Mota, F M C Silva, A S S Brugiolo, E E Oliveira, M C Ayupe, H C Teixeira, A P Ferreira
Accumulating evidence indicates that the exposure to Mycobacterium bovis bacillus Calmette-Guérin (BCG) prevents the development of allergy and the airway dendritic cells (DCs) may be involved in this protective effect. However, studies to better characterize the specific interactions between BCG and DCs and their role in this mycobacteria-mediated Th2 cell suppression are still ongoing. This study aimed to evaluate the effect of the neonatal BCG vaccination in the innate immune response in a mouse model of ovalbumin (OVA)-induced airway inflammation...
September 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28917988/a-comprehensive-screening-platform-for-aerosolizable-protein-formulations-for-intranasal-and-pulmonary-drug-delivery
#5
Martina Röhm, Stefan Carle, Frank Maigler, Johannes Flamm, Viktoria Kramer, Chrystelle Mavoungou, Otmar Schmid, Katharina Schindowski
Aerosolized administration of biopharmaceuticals to the airways is a promising route for nasal and pulmonary drug delivery, but - in contrast to small molecules - little is known about the effects of aerosolization on safety and efficacy of biopharmaceuticals. Proteins are sensitive against aerosolization-associated shear stress. Tailored formulations can shield proteins and enhance permeation, but formulation development requires extensive screening approaches. Thus, the aim of this study was to develop a cell-based in vitro technology platform that includes screening of protein quality after aerosolization and transepithelial permeation...
September 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28917022/epidemiology-pathogenesis-and-management-of-takotsubo-syndrome
#6
REVIEW
Shams Y-Hassan, Per Tornvall
Takotsubo syndrome is a recently recognized acute cardiac disease entity with a clinical presentation resembling that of an acute coronary syndrome. The typical takotsubo syndrome patient has a unique circumferential left (bi-) ventricular contraction abnormality profile that extends beyond a coronary artery supply territory and appears to follow the anatomical cardiac sympathetic innervation. The syndrome predominantly affects postmenopausal women and is often preceded by emotional or physical stress. Patients with predisposing factors such as malignancy and other chronic comorbidities are more prone to suffer from takotsubo syndrome...
September 15, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28916727/inflammatory-responses-induce-an-identity-crisis-of-alveolar-macrophages-leading-to-pulmonary-alveolar-proteinosis
#7
Risa Ebina-Shibuya, Mitsuyo Matsumoto, Makoto Kuwahara, Kyoung-Jin Jang, Manabu Sugai, Yoshiaki Ito, Ryo Funayama, Keiko Nakayama, Yuki Sato, Naoto Ishii, Yasunobu Okamura, Kengo Kinoshita, Kohei Kometani, Tomohiro Kurosaki, Akihiko Muto, Masakazu Ichinose, Masakatsu Yamashita, Kazuhiko Igarashi
Pulmonary alveolar proteinosis (PAP) is a severe respiratory disease characterized by dyspnea caused by accumulation of surfactant protein. Dysfunction of alveolar macrophages (AMs), which regulate the homeostasis of surfactant protein, leads to the development of PAP, for example, in mice lacking BTB and CNC homology 2 (Bach2). However, how Bach2 helps prevent PAP is unknown, and cell-specific effects of Bach2 are undefined. Using mice lacking Bach2 in specific cell types, we found that the PAP-phenotype of Bach2-deficient mice is due to Bach2 deficiency in more than two types of immune cells...
September 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28915942/development-of-a-validated-lc-ms-ms-method-for-the-quantification-of-19-endogenous-asthma-copd-potential-urinary-biomarkers
#8
Mona M Khamis, Darryl J Adamko, Anas El-Aneed
Obstructive airways inflammatory diseases sometimes show overlapping symptoms that hinder their early and correct diagnosis. Current clinical tests are tedious and are of inadequate specificity in special population such as the elderly and children. Therefore, we are developing tandem mass spectrometric (MS/MS) methods for targeted analysis of urine biomarkers. Recently, proton-nuclear magnetic resonance ((1)H-NMR) analysis proposed 50 urinary metabolites as potential diagnostic biomarkers among asthma and chronic obstructive pulmonary disease (COPD) patients...
October 9, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28915902/development-and-clinical-application-of-radiomics-in-lung-cancer
#9
REVIEW
Bojiang Chen, Rui Zhang, Yuncui Gan, Lan Yang, Weimin Li
Since the discovery of X-rays at the end of the 19(th) century, medical imageology has progressed for 100 years, and medical imaging has become an important auxiliary tool for clinical diagnosis. With the launch of the human genome project (HGP) and the development of various high-throughput detection techniques, disease exploration in the post-genome era has extended beyond investigations of structural changes to in-depth analyses of molecular abnormalities in tissues, organs and cells, on the basis of gene expression and epigenetics...
September 15, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28915393/the-comparative-effectiveness-of-noninvasive-and-invasive-ventilation-in-patients-with-pneumonia
#10
Mihaela S Stefan, Aruna Priya, Penelope S Pekow, Tara Lagu, Jay S Steingrub, Nicholas S Hill, Brian H Nathanson, Peter K Lindenauer
PURPOSE: To compare the outcomes of patients hospitalized with pneumonia treated with noninvasive ventilation (NIV) and invasive mechanical ventilation (IMV). MATERIALS AND METHODS: Using the HealthFacts multihospital electronic medical record database, we included patients hospitalized with a diagnosis of pneumonia and treated with NIV or IMV. We developed a propensity model for receipt of initial NIV and assessed the outcomes in a propensity-matched cohort, and in a covariate adjusted and propensity score weighted models...
May 23, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28915085/pooled-analysis-safety-profile-of-nivolumab-and-ipilimumab-combination-therapy-in-patients-with-advanced-melanoma
#11
Mario Sznol, Pier Francesco Ferrucci, David Hogg, Michael B Atkins, Pascal Wolter, Massimo Guidoboni, Celeste Lebbé, John M Kirkwood, Jacob Schachter, Gregory A Daniels, Jessica Hassel, Jonathan Cebon, Winald Gerritsen, Victoria Atkinson, Luc Thomas, John McCaffrey, Derek Power, Dana Walker, Rafia Bhore, Joel Jiang, F Stephen Hodi, Jedd D Wolchok
Purpose The addition of nivolumab (anti-programmed death-1 antibody) to ipilimumab (anti-cytotoxic T-cell lymphocyte-associated 4 antibody) in patients with advanced melanoma improves antitumor response and progression-free survival but with a higher frequency of adverse events (AEs). This cross-melanoma study describes the safety profile of the approved nivolumab plus ipilimumab regimen. Methods This retrospective safety review on data from three trials (phase I, II, and III) included patients with advanced melanoma who received at least one dose of nivolumab 1 mg/kg plus ipilimumab 3 mg/kg every 3 weeks × 4 and then nivolumab 3 mg/kg every 2 weeks until disease progression or unacceptable toxicity while following established guidelines for AE management...
September 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28915064/the-immunopathologic-effects-of-mycoplasma-pneumoniae-and-cards-toxin-a-primate-model
#12
Diego J Maselli, Jorge L Medina, Edward G Brooks, Jacqueline J Coalson, Thirumalai R Kannan, Vicki T Winter, Molly Principe, Marianna P Cagle, Joel B Baseman, Peter H Dube, Jay I Peters
Mycoplasma pneumoniae infection has been linked to poor asthma outcomes. M. pneumoniae produces an ADP-ribosylating and vacuolating toxin called Community Acquired Respiratory Distress Syndrome (CARDS) toxin that has a major role in inflammation and airway dysfunction. The objective was to evaluate the immunopathological effects in primates exposed to M. pneumoniae or CARDS toxin. Thirteen baboons were exposed to M. pneumoniae or CARDS toxin. At day 7 and 14, bronchoalveolar lavage fluid was collected and analyzed for cell count, percent of each type of cell, CARDS toxin by PCR, CARDS toxin by antigen capture, eosinophilic cationic protein, and cytokine profiles...
September 15, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28915060/long-non-coding-rna-lnrpt-is-regulated-by-pdgf-bb-and-modulates-proliferation-of-pulmonary-artery-smooth-muscle-cells
#13
Jidong Chen, Jiao Guo, Xiaolei Cui, Yan Dai, Zhixiong Tang, Junle Qu, J Usha Raj, Qinghua Hu, Deming Gou
Pulmonary artery hypertension (PAH) is a rare and fatal disorder with extensive remodeling of pulmonary arteries mediated by hyperproliferation of pulmonary artery smooth muscle cell (PASMC). Aberrant platelet-derived growth factor (PDGF) activity can lead to hyperproliferation of PASMC, however, little is known about the role of long noncoding RNA (lncRNA) in this process. Using RNA sequencing (RNA-seq), we identified 725 lncRNAs in rat PASMC (RPASMC), 95 of which were expressed differentially in response to PDGF-BB treatment...
September 15, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28914116/defining-a-core-outcome-set-for-adolescent-and-young-adult-patients-with-a-spinal-deformity
#14
Marinus de Kleuver, Sayf S A Faraj, Roderick M Holewijn, Niccole M Germscheid, Raphael D Adobor, Mikkel Andersen, Hans Tropp, Benny Dahl, Heli Keskinen, Anders Olai, David W Polly, Miranda L van Hooff, Tsjitske M Haanstra
Background and purpose - Routine outcome measurement has been shown to improve performance in several fields of healthcare. National spine surgery registries have been initiated in 5 Nordic countries. However, there is no agreement on which outcomes are essential to measure for adolescent and young adult patients with a spinal deformity. The aim of this study was to develop a core outcome set (COS) that will facilitate benchmarking within and between the 5 countries of the Nordic Spinal Deformity Society (NSDS) and other registries worldwide...
September 15, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28913871/experimental-asbestos-studies-in-the-uk-1912-1950
#15
Morris Greenberg
The asbestos industry originated in the UK in the 1870s. By 1898, asbestos had many applications and was reported to be one of the four leading causes of severe occupational disease. In 1912, the UK government sponsored an experimental study that reported that exposure to asbestos produced no more than a modicum of pulmonary fibrosis in guinea pigs. In the 1930s, the newly established Medical Research Council, with assistance from industry, sponsored a study of the effects of exposing animals to asbestos by injection (intratracheal and subcutaneous) and by inhalation in the factory environment...
September 14, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28912884/towards-translational-immunopet-mr-imaging-of-invasive-pulmonary-aspergillosis-the-humanised-monoclonal-antibody-jf5-detects-aspergillus-lung-infections-in-vivo
#16
Genna Davies, Anna-Maria Rolle, Andreas Maurer, Philipp R Spycher, Claudia Schillinger, Djamschid Solouk-Saran, Mike Hasenberg, Juliane Weski, Jesper Fonslet, Adrien Dubois, Frederic Boschetti, Franck Denat, Matthias Gunzer, Martin Eichner, Lauren S Ryder, Mikael Jensen, Roger Schibli, Bernd J Pichler, Stefan Wiehr, Christopher R Thornton
Invasive pulmonary aspergillosis (IPA) is a life-threatening lung disease of hematological malignancy or bone marrow transplant patients caused by the ubiquitous environmental fungus Aspergillus fumigatus. Current diagnostic tests for the disease lack sensitivity as well as specificity, and culture of the fungus from invasive lung biopsy, considered the gold standard for IPA detection, is slow and often not possible in critically ill patients. In a previous study, we reported the development of a novel non-invasive procedure for IPA diagnosis based on antibody-guided positron emission tomography and magnetic resonance imaging (immunoPET/MRI) using a [(64)Cu]DOTA-labeled mouse monoclonal antibody (mAb), mJF5, specific to Aspergillus...
2017: Theranostics
https://www.readbyqxmd.com/read/28912870/eosinophilic-biomarkers-for-detection-of-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-with-or-without-pulmonary-embolism
#17
Qiong-Fang Yang, Ting-Ting Lu, Cai-Min Shu, Lan-Fang Feng, Hao-Teng Chang, Qiao-Ying Ji
Eosinophilia has been implicated in the pathophysiology of acute exacerbation of chronic obstructive pulmonary disease (AECOPD). However, the role of eosinophil activation in the development of AECOPD remains unclear. In the present study, the reliability of plasma levels of eosinophil activation markers, including eosinophil cationic protein (ECP), major basic protein (MBP), eosinophil-derived neurotoxin (EDN) and eosinophil peroxidase (EPX), were measured and used as diagnostic biomarkers of AECOPD with or without pulmonary embolism (PE)...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28912510/the-th1-th17-balance-dictates-the-fibrosis-response-in-murine-radiation-induced-lung-disease
#18
Alexandra Paun, Marie-Eve Bergeron, Christina K Haston
Radiotherapy can result in lung diseases pneumonitis or fibrosis dependent on patient susceptibility. Herein we used inbred and genetically altered mice to investigate whether the tissue adaptive immune response to radiation injury influences the development of radiation-induced lung disease. Six inbred mouse strains were exposed to 18 Gy whole thorax irradiation and upon respiratory distress strains prone to pneumonitis with fibrosis presented an increased pulmonary frequency of Thelper (Th)17 cells which was not evident in strains prone solely to pneumonitis...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912380/exposure-of-neonatal-mice-to-bromine-impairs-their-alveolar-development-and-lung-function
#19
Tamas Jilling, Changchun Ren, Aaron Jefthy Yee, Saurabh Aggarwal, Brian Halloran, Namasivayam Ambalavanan, Sadis Matalon
The halogen bromine (Br2) is used extensively in industry and stored and transported in large quantities. Its accidental or malicious release into the atmosphere has resulted in significant casualties. The pathophysiology of Br2-induced lung injury has been studied in adult animals, but the consequences of Br2 exposure to the developing lung are completely unknown. We exposed neonatal mouse littermates on postnatal day 3 (P3) to either Br2 at 400 ppm for 30 minutes (400/30), to Br2 at 600 ppm for 30 minutes (600/30), or to room air, then returned them to their dams and observed until P14...
September 14, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28912165/holistic-care-of-complicated-tuberculosis-in-healthcare-settings-with-limited-resources
#20
Trevor Duke, Sharon Kasa Tom, Harry Poka, Henry Welch
In recent years, most of the focus on improving the quality of paediatric care in low-income countries has been on improving primary care using the Integrated Management of Childhood Illness, and improving triage and emergency treatment in hospitals aimed at reducing deaths in the first 24 hours. There has been little attention paid to improving the quality of care for children with chronic or complex diseases. Children with complicated forms of tuberculosis (TB), including central nervous system and chronic pulmonary TB, provide examples of acute and chronic multisystem paediatric illnesses that commonly present to district-level and second-level referral hospitals in low-income countries...
September 14, 2017: Archives of Disease in Childhood
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