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BMC Pulmonary Medicine

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https://www.readbyqxmd.com/read/29157220/combined-effects-of-leaks-respiratory-system-properties-and-upper-airway-patency-on-the-performance-of-home-ventilators-a-bench-study
#1
Kaixian Zhu, Claudio Rabec, Jésus Gonzalez-Bermejo, Sébastien Hardy, Sami Aouf, Pierre Escourrou, Gabriel Roisman
BACKGROUND: Combined effects of leaks, mechanical property of respiratory system and upper airway (UA) patency on patient-ventilator synchrony (PVA) and the level of clinically "tolerable" leaks are not well established in home ventilators. METHODS: We comparatively assessed on a bench model, the highest leak level tolerated without inducing significant asynchrony ("critical leak") in three home ventilators (Astral 150, Trilogy 100 and Vivo 60; noted as A150, T100 and V60 respectively) subjected to three simulated diseased respiratory conditions: chronic obstructive pulmonary disease (COPD), obesity hypoventilation (OHS) and neuromuscular disorders (NMD), with both open and closed UA...
November 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29149883/serum-concentrations-of-krebs-von-den-lungen-6-surfactant-protein-d-and-matrix-metalloproteinase-2-as-diagnostic-biomarkers-in-patients-with-asbestosis-and-silicosis-a-case-control-study
#2
Changjiang Xue, Na Wu, Xue Li, Meihua Qiu, Xuqin Du, Qiao Ye
BACKGROUND: Asbestosis and silicosis are progressive pneumoconioses characterized by interstitial fibrosis following exposure to asbestos or silica dust. We evaluated the potential diagnostic biomarkers for these diseases. METHODS: The serum concentrations of Krebs von den Lungen-6 (KL-6), surfactant protein D (SP-D), and matrix metalloproteinase-2 (MMP-2), MMP-7, and MMP-9 were measured in 43 patients with asbestosis, 45 patients with silicosis, 40 dust-exposed workers (DEWs) without pneumoconiosis, and 45 healthy controls (HCs)...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29149880/analytical-performance-of-envisia-a-genomic-classifier-for-usual-interstitial-pneumonia
#3
Yoonha Choi, Jiayi Lu, Zhanzhi Hu, Daniel G Pankratz, Huimin Jiang, Manqiu Cao, Cristina Marchisano, Jennifer Huiras, Grazyna Fedorowicz, Mei G Wong, Jessica R Anderson, Edward Y Tom, Joshua Babiarz, Urooj Imtiaz, Neil M Barth, P Sean Walsh, Giulia C Kennedy, Jing Huang
BACKGROUND: Clinical guidelines specify that diagnosis of interstitial pulmonary fibrosis (IPF) requires identification of usual interstitial pneumonia (UIP) pattern. While UIP can be identified by high resolution CT of the chest, the results are often inconclusive, making surgical lung biopsy necessary to reach a definitive diagnosis (Raghu et al., Am J Respir Crit Care Med 183(6):788-824, 2011). The Envisia genomic classifier differentiates UIP from non-UIP pathology in transbronchial biopsies (TBB), potentially allowing patients to avoid an invasive procedure (Brown et al...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29149868/can-high-flow-nasal-cannula-reduce-the-rate-of-reintubation-in-adult-patients-after-extubation-a-meta-analysis
#4
Yue-Nan Ni, Jian Luo, He Yu, Dan Liu, Bin-Miao Liang, Rong Yao, Zong-An Liang
BACKGROUND: The effects of high flow nasal cannula (HFNC) on adult patients after extubation remain controversial. We aimed to further determine the effectiveness of HFNC in comparison to noninvasive positive pressure ventilation (NIPPV) and conventional oxygen therapy (COT). METHODS: The Pubmed, Embase, Medline, Cochrane Central Register of Controlled Trails (CENTRAL) as well as the Information Sciences Institute (ISI) Web of Science were searched for all the controlled study comparing HFNC with NIPPV and COT in adult patients after extubation...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29149867/efficacy-and-safety-of-nasal-high-flow-oxygen-in-copd-patients
#5
Helene Vogelsinger, Michael Halank, Silke Braun, Heinrike Wilkens, Thomas Geiser, Sebastian Ott, Armin Stucki, Christian M Kaehler
BACKGROUND: Nasal high-flow oxygen therapy (HFOT) is a novel treatment option for patients suffering from acute or chronic respiratory failure. Aim of our study was to compare safety and efficacy of HFOT with those of conventional oxygen treatment (COT) in normo- and hypercapnic COPD patients. METHODS: A single cohort of 77 clinically stable hypoxemic patients with an indication for long-term oxygen treatment (LTOT) with or without hypercapnia successively received COT and HFOT for 60 min each, including oxygen adaption and separated by a 30 min washout phase...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29145831/copd-online-rehabilitation-versus-conventional-copd-rehabilitation-rationale-and-design-for-a-multicenter-randomized-controlled-trial-study-protocol-core-trial
#6
Henrik Hansen, Theresa Bieler, Nina Beyer, Nina Godtfredsen, Thomas Kallemose, Anne Frølich
BACKGROUND: Rehabilitation of patients with chronic obstructive pulmonary disease (COPD) is a key treatment in COPD. However, despite the existing evidence and a strong recommendation from lung associations worldwide, 50% of patients with COPD decline to participate in COPD rehabilitation program and 30-50% drop-out before completion. The main reasons are severe symptoms, inflexible accessibility and necessity for transportation. Currently there are no well-established and evident rehabilitation alternatives...
November 16, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29115949/neurally-adjusted-ventilatory-assist-nava-or-pressure-support-ventilation-psv-during-spontaneous-breathing-trials-in-critically-ill-patients-a-crossover-trial
#7
Juliana C Ferreira, Fabia Diniz-Silva, Henrique T Moriya, Adriano M Alencar, Marcelo B P Amato, Carlos R R Carvalho
BACKGROUND: Neurally Adjusted Ventilatory Assist (NAVA) is a proportional ventilatory mode that uses the electrical activity of the diaphragm (EAdi) to offer ventilatory assistance in proportion to patient effort. NAVA has been increasingly used for critically ill patients, but it has not been evaluated during spontaneous breathing trials (SBT). We designed a pilot trial to assess the feasibility of using NAVA during SBTs, and to compare the breathing pattern and patient-ventilator asynchrony of NAVA with Pressure Support (PSV) during SBTs...
November 7, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29096618/antibiotic-perturbation-of-mixed-strain-pseudomonas-aeruginosa-infection-in-patients-with-cystic-fibrosis
#8
Anna S Tai, Laura J Sherrard, Timothy J Kidd, Kay A Ramsay, Cameron Buckley, Melanie Syrmis, Keith Grimwood, Scott C Bell, David M Whiley
BACKGROUND: Pulmonary exacerbations in cystic fibrosis (CF) remain poorly understood and treatment is usually targeted at Pseudomonas aeruginosa. Within Australia a predominant shared P. aeruginosa strain (AUST-02) is associated with greater treatment needs. This single centre study assessed temporal shared strain population dynamics during and after antibiotic treatment of exacerbations. METHODS: Sputum was collected from 12 adult patients with a history of chronic AUST-02 infection at four time-points during and after treatment of an exacerbation...
November 2, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29084523/a-rise-in-mean-platelet-volume-during-hospitalization-for-community-acquired-pneumonia-predicts-poor-prognosis-a-retrospective-observational-cohort-study
#9
Oleg Gorelik, Irma Tzur, Dana Barchel, Dorit Almoznino-Sarafian, Muhareb Swarka, Ilia Beberashvili, Leonid Feldman, Natan Cohen, Shimon Izhakian
BACKGROUND: Clinical characteristics and the prognostic significance of changes in mean platelet volume (MPV) during hospitalization for community-acquired pneumonia (CAP) have not been investigated. METHODS: Among 976 adults hospitalized for CAP, clinical characteristics, in-hospital outcomes (transfer to the intensive care unit, treatment with mechanical ventilation, prolonged hospital stay and death), and all-cause mortality following discharge, were compared according to ΔMPV (MPV on discharge minus MPV on admission): groups A (no rising MPV, ΔMPV < 0...
October 30, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29084521/knowledge-gaps-in-patients-with-copd-and-their-proxies
#10
Nienke Nakken, Daisy J A Janssen, Esther H A van den Bogaart, Jean W M Muris, Jan H Vercoulen, Frank L Custers, Gerben P Bootsma, Michiel H M Gronenschild, Emiel F M Wouters, Martijn A Spruit
BACKGROUND: Although proxies of patients with chronic obstructive pulmonary disease (COPD) need health-related knowledge to support patients in managing their disease, their current level of knowledge remains unknown. We aimed to compare health-related knowledge (generic and COPD-related knowledge) between patients with COPD and their resident proxies. METHODS: In this cross-sectional study, we included stable patients with moderate to very severe COPD and their resident proxies (n = 194 couples)...
October 30, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29073911/successful-transition-from-treprostinil-to-selexipag-in-patient-with-severe-pulmonary-arterial-hypertension
#11
Asuka Furukawa, Yuichi Tamura, Hiroya Iwahori, Masato Goto, Narutaka Ohashi, Teruo Okabe, Akio Kawamura
BACKGROUND: In this report, we describe the first successful case of transition from subcutaneous administration of treprostinil to selexipag in a patient with severe pulmonary arterial hypertension (PAH), by evaluating hemodynamic changes and exercise tolerance. CASE PRESENTATION: A 38-year-old female with idiopathic PAH (IPAH) had received initial triple combination therapy (macitentan PO, tadalafil PO, and treprostinil SC) and achieved excellent improvement in hemodynamics...
October 26, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29065861/clinical-effects-of-direct-hemoperfusion-using-a-polymyxin-b-immobilized-fiber-column-in-clinically-amyopathic-dermatomyositis-associated-rapidly-progressive-interstitial-pneumonias
#12
Hiroko Okabayashi, Hidenori Ichiyasu, Sayuri Hirooka, Kimitaka Akaike, Keisuke Kojima, Takayuki Jodai, Yasumiko Sakamoto, Hideharu Ideguchi, Shohei Hamada, Chieko Yoshida, Susumu Hirosako, Shinichiro Okamoto, Hirotsugu Kohrogi
BACKGROUND: Rapidly progressive interstitial pneumonias (RPIPs) associated with clinically amyopathic dermatomyositis (CADM) are highly resistant to therapy and have a poor prognosis. Multimodal therapies, including direct hemoperfusion using a polymyxin B-immobilized fiber column (PMX-DHP), have a protective effect on RPIPs. We evaluated the effects of PMX-DHP on CADM-associated RPIPs. METHODS: We retrospectively enrolled 14 patients with CADM-associated RPIPs and acute respiratory failure treated with PMX-DHP, corticosteroids, and immunosuppressive agents...
October 24, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29058630/unsupervised-gene-expression-analyses-identify-ipf-severity-correlated-signatures-associated-genes-and-biomarkers
#13
Yunguan Wang, Jaswanth Yella, Jing Chen, Francis X McCormack, Satish K Madala, Anil G Jegga
BACKGROUND: Idiopathic Pulmonary Fibrosis (IPF) is a fatal fibrotic lung disease occurring predominantly in middle-aged and older adults. The traditional diagnostic classification of IPF is based on clinical, radiological, and histopathological features. However, the considerable heterogeneity in IPF presentation suggests that differences in gene expression profiles can help to characterize and distinguish disease severity. METHODS: We used data-driven unsupervised clustering analysis, combined with a knowledge-based approach to identify and characterize IPF subgroups...
October 20, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29041924/the-value-of-repeat-radial-probe-endobronchial-ultrasound-guided-transbronchial-biopsy-after-initial-non-diagnostic-results-in-patients-with-peripheral-pulmonary-lesions
#14
Chun-Ta Huang, Yi-Ju Tsai, Chao-Chi Ho, Chong-Jen Yu
BACKGROUND: Radial-probe endobronchial ultrasound (rEBUS)-guided transbronchial biopsy (TBB) is invaluable in the diagnosis of peripheral pulmonary lesions (PPLs); however, in certain instances, the procedure has to be repeated because of initial non-diagnostic procedure(s). Little if any literature has been published on this issue. Therefore, the aim of this study was to investigate the utility of repeat rEBUS-guided TBB in achieving a definitive diagnosis of PPLs. METHODS: All patients who underwent rEBUS-guided TBB of PPLs at National Taiwan University Hospital between 2011 and 2015 and had a repeat procedure after non-diagnostic initial procedures were identified as the study subjects...
October 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29017524/chronic-obstructive-pulmonary-disease-bronchial-asthma-and-allergic-rhinitis-in-the-adult-population-within-the-commonwealth-of-independent-states-rationale-and-design-of-the-core-study
#15
Yuriy Feshchenko, Liudmila Iashyna, Damilya Nugmanova, Olga Gyrina, Marina Polyanskaya, Alexander Markov, Maryna Moibenko, Janina Makarova, Luqman Tariq, Marcelo Horacio S Pereira, Elcan Mammadbayov, Irada Akhundova, Averyan Vasylyev
BACKGROUND: Main treatable Chronic Respiratory Diseases (CRDs) like Chronic Obstructive Pulmonary Disease (COPD), Bronchial Asthma (BA) and Allergic Rhinitis (AR) are underdiagnosed and undertreated worldwide. CORE study was aimed to assess the point prevalence of COPD, BA and AR in the adult population of major cities of Commonwealth of Independent States (CIS) countries - Azerbaijan, Kazakhstan, and Ukraine based on study questionnaires and/or spirometry, and to document risk factors, characterize the COPD, BA and AR population to provide a clearer "epidemiological data"...
October 10, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29017478/effectiveness-of-pulmonary-rehabilitation-in-patients-with-interstitial-lung-disease-of-different-etiology-a-multicenter-prospective-study
#16
Roberto Tonelli, Elisabetta Cocconcelli, Barbara Lanini, Isabella Romagnoli, Fabio Florini, Ivana Castaniere, Dario Andrisani, Stefania Cerri, Fabrizio Luppi, Riccardo Fantini, Alessandro Marchioni, Bianca Beghè, Francesco Gigliotti, Enrico M Clini
BACKGROUND: Recent evidences show that Pulmonary Rehabilitation (PR) is effective in patients with Interstitial Lung Disease (ILD). It is still unclear whether disease severity and/or etiology might impact on the reported benefits. We designed this prospective study 1) to confirm the efficacy of rehabilitation in a population of patients with ILDs and 2) to investigate whether baseline exercise capacity, disease severity or ILD etiology might affect outcomes. METHODS: Forty-one patients (IPF 63%, age 66...
October 10, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28985727/respiratory-mechanics-in-infants-with-severe-bronchiolitis-on-controlled-mechanical-ventilation
#17
Pablo Cruces, Sebastián González-Dambrauskas, Julio Quilodrán, Jorge Valenzuela, Javier Martínez, Natalia Rivero, Pablo Arias, Franco Díaz
BACKGROUND: Analysis of respiratory mechanics during mechanical ventilation (MV) is able to estimate resistive, elastic and inertial components of the working pressure of the respiratory system. Our aim was to discriminate the components of the working pressure of the respiratory system in infants on MV with severe bronchiolitis admitted to two PICU's. METHODS: Infants younger than 1 year old with acute respiratory failure caused by severe bronchiolitis underwent neuromuscular blockade, tracheal intubation and volume controlled MV...
October 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28985724/association-between-dementia-and-discharge-status-in-patients-hospitalized-with-pneumonia
#18
Taisuke Jo, Hideo Yasunaga, Yusuke Sasabuchi, Nobuaki Michihata, Kojiro Morita, Yasuhiro Yamauchi, Wakae Hasegawa, Hideyuki Takeshima, Yukiyo Sakamoto, Hiroki Matsui, Kiyohide Fushimi, Takahide Nagase
BACKGROUND: Pneumonia is the most common cause of death in patients with dementia, but the outcomes of patients with dementia hospitalized with pneumonia are poorly understood. We sought to illuminate the association between dementia and in-hospital mortality and discharge status in patients hospitalized with pneumonia. METHODS: We used the Diagnosis Procedure Combination database, a national inpatient database in Japan, to identify retrospectively patients aged ≥60 years admitted to hospital with pneumonia during the study period of May 1, 2010 to March 31, 2014...
October 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28931394/the-efficacy-of-initial-ventilation-strategy-for-adult-immunocompromised-patients-with-severe-acute-hypoxemic-respiratory-failure-study-protocol-for-a-multicentre-randomized-controlled-trial-venim
#19
Tao Wang, Gang Liu, Kun He, Xin Lu, Xianquan Liang, Meng Wang, Rong Zhu, Zongru Li, Feng Chen, Jun Ke, Qingming Lin, Chuanyun Qian, Bo Li, Jie Wei, Jingjun Lv, Li Li, Yanxia Gao, Guofeng Wu, Xiaohong Yu, Weiqin Wei, Ying Deng, Fengping Wang, Hong Zhang, Yun Zheng, Hong Zhan, Jinli Liao, Yingping Tian, Dongqi Yao, Jingsong Zhang, Xufeng Chen, Lishan Yang, Jiali Wu, Yanfen Chai, Songtao Shou, Muming Yu, Xudong Xiang, Dongshan Zhang, Fengying Chen, Xiufeng Xie, Yong Li, Bo Wang, Wenzhong Zhang, Yongli Miao, Michael Eddleston, Jianqiang He, Yong Ma, Shengyong Xu, Yi Li, Huadong Zhu, Xuezhong Yu
BACKGROUND: Acute respiratory failure (ARF) is still one of the most severe complications in immunocompromised patients. Our previous systematic review showed noninvasive mechanical ventilation (NIV) reduced mortality, length of hospitalization and ICU stay in AIDS/hematological malignancy patients with relatively less severe ARF, compared to invasive mechanical ventilation (IMV). However, this systematic review was based on 13 observational studies and the quality of evidence was low to moderate...
September 20, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28931381/a-qualitative-study-to-identify-parents-perceptions-of-and-barriers-to-asthma-management-in-children-from-south-asian-and-white-british-families
#20
Monica Lakhanpaul, Lorraine Culley, Noelle Robertson, Deborah Bird, Nicky Hudson, Narynder Johal, Melanie McFeeters, Emma Angell, Charlotte Hamlyn-Williams, Nadine Abbas, Logan Manikam, Mark Johnson
BACKGROUND: Over one million children receive treatment for asthma in the UK. South Asian children experience excess morbidity and higher rates of hospitalization than the White population. This study aimed to explore perceptions and experiences of asthma and asthma management in British South Asian and White British families, to identify barriers to optimal management and to inform culturally appropriate interventions to improve management. METHODS: A qualitative methodology, using semi-structured interviews was adopted...
September 20, 2017: BMC Pulmonary Medicine
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