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BMC Pulmonary Medicine

Yaoju Tan, Biyi Su, Wei Shu, Xingshan Cai, Shaojia Kuang, Haobin Kuang, Jianxiong Liu, Yu Pang
BACKGROUND: Pulmonary nontuberculous mycobacteria (NTM) disease is of increasing public health concern in China. Information is limited regarding risk factors associated with this disease in China. The objective of this study was to describe the epidemiology of pulmonary disease due to NTM in Southern China. METHODS: We retrospectively reviewed the medical records of pulmonary NTM patients registered in the Guangzhou Chest Hospital with positive mycobacterial cultures during 2013-2016...
November 9, 2018: BMC Pulmonary Medicine
Pietro Pirina, Elisabetta Zinellu, Panagiotis Paliogiannis, Alessandro G Fois, Viviana Marras, Salvatore Sotgia, Ciriaco Carru, Angelo Zinellu
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a major and increasing global health problem. Serotonin is a neurotransmitter that participates in several pulmonary functions and it has been involved in oxidative stress, which plays essential roles in the pathogenesis of COPD. The current study aimed at establishing the levels of circulating serotonin in COPD, and investigating eventual relations between serotonin and oxidative stress markers. METHODS: Whole blood serotonin was assessed in 43 consecutive patients with stable COPD and in 43 age and sex-matched healthy controls...
November 8, 2018: BMC Pulmonary Medicine
Oliver Fuchs, Thomas Bahmer, Markus Weckmann, Anna-Maria Dittrich, Bianca Schaub, Barbara Rösler, Christine Happle, Folke Brinkmann, Isabell Ricklefs, Inke R König, Henrik Watz, Klaus F Rabe, Matthias V Kopp, Gesine Hansen, Erika von Mutius
Following publication of the original article [1], the author flagged aspects of the article that affected readability of some of the article's scientific content.
November 7, 2018: BMC Pulmonary Medicine
Pedro Barbolla Benito, Germán Peces-Barba Romero
BACKGROUND: The level of physical activity among individuals with chronic obstructive pulmonary disease (COPD) is associated with the disease severity and prognosis. The aim of this study was to describe the prevalence of self-reported walking at least 150 min per week and the associated factors among the Spanish population with COPD. METHODS: Analyses were based on data drawn from the 2009 European Health Interview Survey in Spain (2009 EHIS). Twenty-two thousand one hundred eighty-eight subjects participated in the survey (response rate of 96...
November 7, 2018: BMC Pulmonary Medicine
Zhijian Huang, Wei Zhang, Jian Yang, Feiyu Sun, Hongwei Zhou
BACKGROUND: Interleukin (IL)-3 amplifies inflammation. However, the effect of IL-3 in acute lung injury (ALI), an acute inflammatory disease, is unclear. The aim of this study was to test the hypothesis that IL-3 plays an important role in hyperoxia-induced ALI. METHODS: Hyperoxic ALI was induced in wild-type (WT) and IL-3 gene disrupted (IL-3-/- ) mice by exposure to 100% O2 for 72 h. RESULTS: Hyperoxia increased IL-3 levels in plasma and lung tissues in WT mice...
October 30, 2018: BMC Pulmonary Medicine
Magdalena Humenberger, Andreas Horner, Anna Labek, Bernhard Kaiser, Rupert Frechinger, Constanze Brock, Petra Lichtenberger, Bernd Lamprecht
BACKGROUND: COPD is a treatable disease with increasing prevalence worldwide. Treatment aims to stop disease progression, to improve quality of life, and to reduce exacerbations. We aimed to evaluate the association of the stage of COPD on adherence to inhaled therapy and the relationship between adherence and COPD exacerbations. METHODS: A retrospective analysis of patients hospitalized for acute exacerbation of COPD in a tertiary care hospital in Upper Austria and discharged with a guideline conform inhaled therapy was performed...
October 19, 2018: BMC Pulmonary Medicine
Shaun Ong, Robert D Levy, John Yee, Nilu Partovi, Andrew Churg, Philippe Roméo, Jean Chalaoui, Roland Nador, Alissa Wright, Hélène Manganas, Christopher J Ryerson
BACKGROUND: Until recently, lung transplantation was not considered in patients with human immunodeficiency virus (HIV). HIV seropositive patients with suppressed viral loads can now expect long-term survival with the advent of highly active antiretroviral therapies (HAART); however, HIV remains a relative contraindication to lung transplantation. We describe, to our knowledge, the first HIV seropositive lung transplant recipient in Canada. We also review the literature of previously reported cases of solid-organ transplantation in patients with HIV with a focus on immunosuppression considerations...
October 16, 2018: BMC Pulmonary Medicine
Wei Xiong, Yunfeng Zhao, Mei Xu, Bigyan Pudasaini, Xuejun Guo, Jinming Liu
BACKGROUND: Risk assessment of pulmonary arterial hypertension (PAH) contributes to its management. Unfortunately, the existing risk assessment approaches are defective for clinicians to practice in daily clinical settings to some extent. METHODS: We designed a modified Risk Assessment Score of PAH (mRASP) comprising four non-invasive variables which were World Health Organization functional class(WHO FC), 6-min walk distance (6MWD), N-terminal of the pro-hormone brain natriuretic peptide(NT-pro BNP), and right atrial area(RAA), then validated it in the prediction of one-year survival rate for patients with PAH by contrast with the REVEAL risk score...
October 16, 2018: BMC Pulmonary Medicine
Christian Niels Meyer, Karin Armbruster, Michael Kemp, Trine Rolighed Thomsen, Ram Benny Dessau
BACKGROUND: We explored the hypothesized importance of early knowledge of microbiological etiology in patients with pleural infection, including comorbidity and treatment factors in the outcome analyses. METHODS: Data from the medical records of a large cohort of 437 consecutive patients in 9 hospitals in East-Denmark were included retrospectively. RESULTS: Microbiology, co-morbidity, therapy and outcome are described in detail. Patient groups with microbiology negative and known bacterial etiology had a similar 30-day and 90-day mortality...
October 12, 2018: BMC Pulmonary Medicine
Shikma Katz, Nissim Arish, Ariel Rokach, Yacov Zaltzman, Esther-Lee Marcus
BACKGROUND: Pulmonary function tests (PFTs) are routinely performed in the upright position due to measurement devices and patient comfort. This systematic review investigated the influence of body position on lung function in healthy persons and specific patient groups. METHODS: A search to identify English-language papers published from 1/1998-12/2017 was conducted using MEDLINE and Google Scholar with key words: body position, lung function, lung mechanics, lung volume, position change, positioning, posture, pulmonary function testing, sitting, standing, supine, ventilation, and ventilatory change...
October 11, 2018: BMC Pulmonary Medicine
Caiyong Yin, Kai Li, Yanfang Yu, Huijie Huang, Youjia Yu, Zhongqun Wang, Jinchuan Yan, Yan Pu, Zheng Li, Ding Li, Peng Chen, Feng Chen
BACKGROUND: Pulmonary hypertension (PH) is a rare disease characterized by proliferation and occlusion of small pulmonary arterioles, which has been associated with a high mortality rate. The pathogenesis of PH is complex and incompletely understood, which includes both genetic and environmental factors that alter vascular structure and function. METHODS: Thus we aimed to reveal the potential genetic etiology of PH by targeting 143 tag SNPs of 14 candidate genes...
October 5, 2018: BMC Pulmonary Medicine
George Bardsley, Janine Pilcher, Steven McKinstry, Philippa Shirtcliffe, James Berry, James Fingleton, Mark Weatherall, Richard Beasley
BACKGROUND: In exacerbations of chronic obstructive pulmonary disease, administration of high concentrations of oxygen may cause hypercapnia and increase mortality compared with oxygen titrated, if required, to achieve an oxygen saturation of 88-92%. Optimally titrated oxygen regimens require two components: titrated supplemental oxygen to achieve the target oxygen saturation and, if required, bronchodilators delivered by air-driven nebulisation. The effect of repeated air vs oxygen-driven bronchodilator nebulisation in acute exacerbations of chronic obstructive pulmonary disease is unknown...
October 3, 2018: BMC Pulmonary Medicine
Gang Chen, Fang-Ming Zhong, Xu-Dong Xu, Guo-Can Yu, Peng-Fei Zhu
BACKGROUND: Treatment of tuberculous-destroyed lung (TDL) with pleuropulmonary resection is challenging. Pulmonary hemorrhage is a frequent complication of this surgical procedure. Continuous efforts have been made to investigate clinical procedures that may reduce intraoperative bleeding effectively. In this study, we evaluated the feasibility and safety of regional arterial embolization before pleuropulmonary resection in patients with TDL. METHODS: The clinical data of 32 patients with TDL were retrospectively reviewed and analyzed...
October 1, 2018: BMC Pulmonary Medicine
David Langton, Alvin Ing, Kim Bennetts, Wei Wang, Claude Farah, Matthew Peters, Virginia Plummer, Francis Thien
BACKGROUND: In randomized controlled trials, bronchial thermoplasty (BT) has been proven to reduce symptoms in severe asthma, but the mechanisms by which this is achieved are uncertain as most studies have shown no improvement in spirometry. We postulated that BT might improve lung mechanics by altering airway resistance in the small airways of the lung in ways not measured by FEV1 . This study aimed to evaluate changes in measures of gas trapping by body plethysmography. METHODS: A prospective cohort of 32 consecutive patients with severe asthma who were listed for BT at two Australian university hospitals were evaluated at three time points, namely baseline, and then 6 weeks and 6 months post completion of all procedures...
September 24, 2018: BMC Pulmonary Medicine
Camilla Koch Ryrsø, Nina Skavlan Godtfredsen, Linette Marie Kofod, Marie Lavesen, Line Mogensen, Randi Tobberup, Ingeborg Farver-Vestergaard, Henriette Edemann Callesen, Britta Tendal, Peter Lange, Ulrik Winning Iepsen
BACKGROUND: Pulmonary rehabilitation (PR), delivered as a supervised multidisciplinary program including exercise training, is one of the cornerstones in the chronic obstructive pulmonary disease (COPD) management. We performed a systematic review and meta-analysis to assess the effect on mortality of a supervised early PR program, initiated during or within 4 weeks after hospitalization with an acute exacerbation of COPD compared with usual post-exacerbation care or no PR program...
September 15, 2018: BMC Pulmonary Medicine
Carla Cristina Souza Gomez, Fernando Augusto Lima Marson, Maria Fátima Servidoni, Antônio Fernando Ribeiro, Maria Ângela Gonçalves Oliveira Ribeiro, Veruska Acioli Lopes Gama, Eduardo Tavares Costa, José Dirceu Ribeiro, Francisco Ubaldo Vieira Junior
BACKGROUND: The sweat test (ST) is the gold standard for the diagnosis of cystic fibrosis (CF). However, little is known about sweat induction using different types of currents and waves. In this context, our objective was to develop a device to induce sweat and compare the use of continuous constant current (CCC) and continuous pulsed current (CPC) in individuals with CF and healthy controls. METHODS: A prospective cross-sectional study with experimental intervention...
September 14, 2018: BMC Pulmonary Medicine
Christer Janson, Ane Johannessen, Karl Franklin, Cecilie Svanes, Linus Schiöler, Andrei Malinovschi, Thorarinn Gislason, Bryndis Benediktsdottir, Vivi Schlünssen, Rain Jõgi, Deborah Jarvis, Eva Lindberg
BACKGROUND: The aim of this investigation was to study change in adults over a 20 year period in the prevalence of respiratory symptoms and disorders and its association to year of birth, life style and sleep related variables. METHOD: Adults 20-44 years of age, 6085 women and 5184 men, were randomly selected from seven centres in Northern Europe and followed for 20 years. The number of participants in the first survey was 21,595 and 11,269 participated in all three surveys...
September 12, 2018: BMC Pulmonary Medicine
Jun Yeun Cho, Cho Sun Leem, Youlim Kim, Eun Sun Kim, Sang Hoon Lee, Yeon Joo Lee, Jong Sun Park, Young-Jae Cho, Jae Ho Lee, Choon-Taek Lee, Ho Il Yoon
BACKGROUND: Candidates for preoperative or intraoperative nodal assessment among patients with non-small cell lung cancer (NSCLC) manifesting as a subsolid tumor are not established. The present study was conducted to demonstrate the distribution of nodal metastasis rate according to newly proposed T categories for subsolid tumors, and we further aimed to identify radiologic parameters that can be predictive of nodal metastasis. METHODS: We retrospectively reviewed cases of NSCLC manifesting as a subsolid tumor in computed tomography scans in a university-affiliated tertiary hospital between April 2013 and August 2016...
September 10, 2018: BMC Pulmonary Medicine
Jie Song, Mengxue Lu, Liheng Zheng, Yue Liu, Pengwei Xu, Yuchun Li, Dongqun Xu, Weidong Wu
BACKGROUND: Associations between ambient air pollution and child health outcomes have been well documented in developed countries such as the United States; however, only a limited number of studies have been conducted in developing countries. This study aimed to explore the acute effects of five ambient air pollutants (inhalable particles [PM10 ], fine particles [PM2.5 ], sulfur dioxide [SO2 ], nitrogen dioxide [NO2 ] and 0zone [O3 ]) on children hospital outpatients with respiratory diseases in Shijiazhuang, China...
September 6, 2018: BMC Pulmonary Medicine
Flynn Slattery, Kylie Johnston, Catherine Paquet, Hunter Bennett, Alan Crockett
BACKGROUND: Despite the known occupational hazards, it is not yet clear whether long-term career firefighting leads to a greater rate of decline in lung function than would normally be expected, and how this rate of change is affected by firefighting exposures and other risk/protective factors. METHODS: A systematic search of online electronic databases was conducted to identify longitudinal studies reporting on the rate of change in the forced expiratory volume in one second (FEV1 ) of forced vital capacity (FVC)...
September 6, 2018: BMC Pulmonary Medicine
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