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BMC Pulmonary Medicine

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https://www.readbyqxmd.com/read/28629453/three-dimensional-substructure-measurements-for-the-differential-diagnosis-of-ground-glass-nodules
#1
Mingzheng Peng, Gang Yu, Chengzhong Zhang, Cuidi Li, Jinwu Wang
BACKGROUND: We analyzed the differences between maximum and peak computed tomography (CT) numbers (M-P), respectively representing the densities of the solid center and the main periphery of ground-glass nodules (GGNs), and the average change in M-P velocity (V(M-P)) during follow-up to differentiate between pre-invasive (PIA) and invasive adenocarcinoma (IAC). METHODS: Data of 102 patients were retrospectively collected and analyzed in our study including 43 PIAs and 59 IACs...
June 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28629448/azithromycin-for-idiopathic-acute-exacerbation-of-idiopathic-pulmonary-fibrosis-a-retrospective-single-center-study
#2
Kodai Kawamura, Kazuya Ichikado, Yuko Yasuda, Keisuke Anan, Moritaka Suga
BACKGROUND: Acute exacerbation (AE) of idiopathic pulmonary fibrosis (IPF) is a fatal condition without an established pharmaceutical treatment. Most patients are treated with high-dose corticosteroids and broad-spectrum antibiotics. Azithromycin is a macrolide with immunomodulatory activity and may be beneficial for treatment of acute lung injury. The objective of this study was to determine the effect of azithromycin on survival of patients with idiopathic AE of IPF. METHODS: We evaluated 85 consecutive patients hospitalized in our department for idiopathic AE of IPF from April 2005 to August 2016...
June 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28629404/white-matter-lesions-characterise-brain-involvement-in-moderate-to-severe-chronic-obstructive-pulmonary-disease-but-cerebral-atrophy-does-not
#3
Catherine A Spilling, Paul W Jones, James W Dodd, Thomas R Barrick
BACKGROUND: Brain pathology is relatively unexplored in chronic obstructive pulmonary disease (COPD). This study is a comprehensive investigation of grey matter (GM) and white matter (WM) changes and how these relate to disease severity and cognitive function. METHODS: T1-weighted and fluid-attenuated inversion recovery images were acquired for 31 stable COPD patients (FEV1 52.1% pred., PaO2 10.1 kPa) and 24 age, gender-matched controls. T1-weighted images were segmented into GM, WM and cerebrospinal fluid (CSF) tissue classes using a semi-automated procedure optimised for use with this cohort...
June 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28623885/monitoring-the-electric-activity-of-the-diaphragm-during-noninvasive-positive-pressure-ventilation-a-case-report
#4
Fabia Diniz-Silva, Anna Miethke-Morais, Adriano M Alencar, Henrique T Moriya, Pedro Caruso, Eduardo L V Costa, Juliana C Ferreira
BACKGROUND: In patients with post-extubation respiratory distress, delayed reintubation may worsen clinical outcomes. Objective measures of extubation failure at the bedside are lacking, therefore clinical parameters are currently used to guide the need of reintubation. Electrical activity of the diaphragm (EAdi) provides clinicians with valuable, objective information about respiratory drive and could be used to monitor respiratory effort. CASE PRESENTATION: We describe the case of a patient with Chronic Obstructive Pulmonary Disease (COPD), from whom we recorded EAdi during four different ventilatory conditions: 1) invasive mechanical ventilation, 2) spontaneous breathing trial (SBT), 3) unassisted spontaneous breathing, and 4) Noninvasive Positive Pressure Ventilation (NPPV)...
June 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28599636/health-coaching-to-improve-self-management-and-quality-of-life-for-low-income-patients-with-chronic-obstructive-pulmonary-disease-copd-protocol-for-a-randomized-controlled-trial
#5
Beatrice Huang, Rachel Willard-Grace, Denise De Vore, Jessica Wolf, Chris Chirinos, Stephanie Tsao, Danielle Hessler, George Su, David H Thom
BACKGROUND: Chronic obstructive pulmonary disease (COPD) severely hinders quality of life for those affected and is costly to the health care system. Care gaps in areas such as pharmacotherapy, inhaler technique, and knowledge of disease are prevalent, particularly for vulnerable populations served by community clinics. Non-professionally licensed health coaches have been shown to be an effective and cost-efficient solution in bridging care gaps and facilitating self-management for patients with other chronic diseases, but no research to date has explored their efficacy in improving care for people living with COPD...
June 9, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28583097/nramp1-and-vdr-gene-polymorphisms-in-susceptibility-to-pulmonary-tuberculosis-among-andhra-pradesh-population-in-india-a-case-control-study
#6
Rooth Vasantha Medapati, Sridevi Suvvari, Sudhakar Godi, Paddaiah Gangisetti
BACKGROUND: The aim of the present study was to evaluate the association of NRAMP1 -3'UTR, 274-CT,VDR- Fok1 VDR-Taq1 Polymorphisms with the risk of pulmonary tuberculosis. METHOD: A case -control study was conducted on Andhra Pradesh Population of India. Analysis of gene polymorphisms of NRAMP1 gene (3'UTR, 274CT) and VDR gene (Fok1 and Taq1) was done by using Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) in Tuberculosis (TB) patients and healthy controls...
June 5, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28558711/sarcoidosis-as-a-rare-cause-for-symmetrical-giant-bullous-disease
#7
Wolfgang Jungraithmayr, Elisa Leggeri, Walter Weder, Bart Vrugt
BACKGROUND: Sarcoidosis presents with typical clinic-radiological findings and shows histologically non-caseating granulomas. Pulmonary manifestations of sarcoidosis can be diverse, involving the intrathoracic lymph nodes and pulmonary parenchyma. CASE PRESENTATION: We here describe a case of a 35-year-old patient who presented with a history of exertion dyspnoea and coughing for the past 20 years. At the age of 15, she was exposed to smoke emanating from a fire...
May 30, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28558662/evaluation-of-gene-xpert-for-routine-diagnosis-of-hiv-associated-tuberculosis-in-nigeria-a-prospective-cohort-study
#8
Maxwell Oluwole Akanbi, Chad Achenbach, Babafemi Taiwo, John Idoko, Agatha Ani, Yetunde Isa, Oche Agbaji, Christiana Ukoli, Patrick Akande, Mamoudou Maiga, Robert Leo Murphy
BACKGROUND: Xpert MTB/Rif (Xpert) is described as a game changer in tuberculosis (TB) control. We evaluated the impact of Xpert on diagnosis, time to treatment, and treatment outcome among patients with HIV associated TB in Nigeria. METHODS: Adults with HIV being evaluated for pulmonary TB (PTB) were consecutively enrolled into the study cohort. At baseline, expectorated sputa were examined using Xpert and smear microscopy for Mycobacterium tuberculosis (MTB) and acid fast bacilli, respectively...
May 30, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28549458/detection-of-alk-fusion-transcripts-in-ffpe-lung-cancer-samples-by-nanostring-technology
#9
Adriane F Evangelista, Maicon F Zanon, Adriana Cruvinel Carloni, Flávia E de Paula, Mariana Andozia Morini, Maressa Ferreira-Neto, Iberê Cauduro Soares, Jose Elias Miziara, Pedro de Marchi, Cristovam Scapulatempo-Neto, Rui M Reis
BACKGROUND: ALK-rearranged lung cancers exhibit specific pathologic and clinical features and are responsive to anti-ALK therapies. Therefore, the detection of ALK-rearrangement is fundamental for personalized lung cancer therapy. Recently, new molecular techniques, such as NanoString nCounter, have been developed to detect ALK fusions with more accuracy and sensitivity. METHODS: In the present study, we intended to validate a NanoString nCounter ALK-fusion panel in routine biopsies of FFPE lung cancer patients...
May 26, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28535820/predicted-body-weight-relationships-for-protective-ventilation-unisex-proposals-from-pre-term-through-to-adult
#10
Dion C Martin, Glenn N Richards
BACKGROUND: The lung-protective ventilation bundle has been shown to reduce mortality in adult acute respiratory distress syndrome (ARDS). This concept has expanded to other areas of acute adult ventilation and is recommended for pediatric ventilation. A component of lung-protective ventilation relies on a prediction of lean body weight from height. The predicted body weight (PBW) relationship employed in the ARDS Network trial is considered valid only for adults, with a dedicated formula required for each sex...
May 23, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28532459/mechanical-ventilation-in-idiopathic-pulmonary-fibrosis-a-nationwide-analysis-of-ventilator-use-outcomes-and-resource-burden
#11
Joshua J Mooney, Karina Raimundo, Eunice Chang, Michael S Broder
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is associated with increased risk of respiratory-related hospitalizations. Studies suggest mechanical ventilation (MV) use in IPF does not improve outcomes and guidelines recommend against its general use. Our objective was to investigate MV use and association with cost and mortality in IPF. METHODS: This retrospective study, using a nationwide sample, included claims with IPF (ICD-9-CM: 516.3) in 2009-2011 and principal respiratory disease diagnosis (ICD-9-CM: 460-519); excluding lung transplant...
May 22, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28476111/single-use-and-conventional-bronchoscopes-for-broncho-alveolar-lavage-bal-in-research-a-comparative-study-nct-02515591
#12
Seher Raza Zaidi, Andrea M Collins, Elena Mitsi, Jesús Reiné, Kayleigh Davies, Angela D Wright, Jessica Owugha, Richard Fitzgerald, Amitava Ganguli, Stephen B Gordon, Daniela Mulari Ferreira, Jamie Rylance
BACKGROUND: Broncho alveolar lavage (BAL) is widely used for investigative research to study innate, cellular and humoral immune responses, and in early phase drug trials. Conventional (multiple use) flexible bronchoscopes have time and monetary costs associated with cleaning, and carries a small risk of cross infection. Single use bronchoscopes may provide an alternative, but have not been evaluated in this context. METHODS: Healthy volunteers underwent bronchoscopy at a day-case clinical research unit using the Ambu® aScope(TM) single-use flexible intubation bronchoscope...
May 5, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28472944/risk-of-incident-active-tuberculosis-disease-in-patients-treated-with-non-steroidal-anti-inflammatory-drugs-a-population-based-study
#13
Chun-Wei Wu, Jiunn-Yih Wu, Meng-Tse Gabriel Lee, Chih-Cheng Lai, I-Lin Wu, Yi-Wen Tsai, Shy-Shin Chang, Chien-Chang Lee
BACKGROUND: Mycobacterium tuberculosis (TB) is one of the world's most devastating public health threats. Our goal is to evaluate whether the use of non-steroidal anti-inflammatory drugs (NSAIDs) affect the risk of new incident active TB disease. METHODS: We conducted a nested case-control analysis by using a 1 million longitudinally followed cohort, from Taiwan's national health insurance research database. Effects of NSAIDs on active TB were estimated by conditional logistic regression and adjusted using a TB-specific disease risk score (DRS)...
May 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28472939/chronic-hypersensitivity-pneumonitis-identification-of-key-prognostic-determinants-using-automated-ct-analysis
#14
Joseph Jacob, Brian J Bartholmai, Ryoko Egashira, Anne Laure Brun, Srinivasan Rajagopalan, Ronald Karwoski, Maria Kokosi, David M Hansell, Athol U Wells
BACKGROUND: Chronic hypersensitivity pneumonitis (CHP) has a variable disease course. Computer analysis of CT features was used to identify a subset of CHP patients with an outcome similar to patients with idiopathic pulmonary fibrosis (IPF). METHODS: Consecutive patients with a multi-disciplinary team diagnosis of CHP (n = 116) had pulmonary function tests (FEV1, FVC, DLco, Kco, and a composite physiologic index [CPI]) and CT variables predictive of mortality evaluated by analysing visual and computer-based (CALIPER) parenchymal features: total interstitial lung disease (ILD) extent, honeycombing, reticular pattern, ground glass opacities, pulmonary vessel volume (PVV), emphysema, and traction bronchiectasis...
May 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28468650/seasonal-influenza-vaccination-in-patients-with-copd-a-systematic-literature-review
#15
Rafik Bekkat-Berkani, Tom Wilkinson, Philippe Buchy, Gael Dos Santos, Dimitris Stefanidis, Jeanne-Marie Devaster, Nadia Meyer
BACKGROUND: Influenza is a frequent cause of exacerbations of chronic obstructive pulmonary disease (COPD). Exacerbations are associated with worsening of the airflow obstruction, hospitalisation, reduced quality of life, disease progression, death, and ultimately, substantial healthcare-related costs. Despite longstanding recommendations to vaccinate vulnerable high-risk groups against seasonal influenza, including patients with COPD, vaccination rates remain sub-optimal in this population...
May 3, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28468615/epithelial-ciliated-beating-cells-essential-for-ex-vivo-ali-culture-growth
#16
Delphine Gras, Aurélie Petit, Jérémy Charriot, Lucie Knabe, Khuder Alagha, Anne Sophie Gamez, Céline Garulli, Arnaud Bourdin, Pascal Chanez, Nicolas Molinari, Isabelle Vachier
BACKGROUND: Bronchial epithelium plays a key role in orchestrating innate and adaptive immunity. The fate of ex vivo airway epithelial cultures growing at the air liquid interface (ALI) derived from human endobronchial biopsies or brushings is not easy to predict. Calibrating and differentiating these cells is a long and expensive process requiring rigorous expertise. Pinpointing factors associated with ALI culture success would help researchers gain further insight into epithelial progenitor behavior...
May 3, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28464895/predictive-factors-for-moderate-or-severe-exacerbations-in-asthma-patients-receiving-outpatient-care
#17
Francisco Javier Álvarez Gutiérrez, Marta Ferrer Galván, Juan Francisco Medina Gallardo, Marta Barrera Mancera, Beatriz Romero Romero, Auxiliadora Romero Falcón
BACKGROUND: Asthma exacerbations are important events that affect disease control, but predictive factors for severe or moderate exacerbations are not known. The objective was to study the predictive factors for moderate (ME) and severe (SE) exacerbations in asthma patients receiving outpatient care. METHODS: Patients aged > 12 years with asthma were included in the study and followed-up at 4-monthly intervals over a 12-month period. Clinical (severity, level of control, asthma control test [ACT]), atopic, functional, inflammatory, SE and ME parameters were recorded...
May 2, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28464807/prognostic-factors-in-hospitalized-community-acquired-pneumonia-a-retrospective-study-of-a-prospective-observational-cohort
#18
Akihiro Ito, Tadashi Ishida, Hironobu Tokumasu, Yasuyoshi Washio, Akio Yamazaki, Yuhei Ito, Hiromasa Tachibana
BACKGROUND: To date, only few studies have examined the prognostic factors of community-acquired pneumonia (CAP) defined according to the latest criteria, which excludes healthcare-associated pneumonia (HCAP). Therefore, we aimed to investigate the factors that affect prognosis, and evaluate the usefulness of existing pneumonia severity scores for predicting the prognosis of CAP. METHODS: We retrospectively analyzed patients with CAP, excluding HCAP, who were enrolled prospectively between April 2007 and February 2016...
May 2, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28454572/invasive-pulmonary-mucormycosis-rare-presentation-with-pulmonary-eosinophilia
#19
Taizou Hirano, Mitsuhiro Yamada, Kei Sato, Koji Murakami, Tokiwa Tamai, Yoshiya Mitsuhashi, Tsutomu Tamada, Hisatoshi Sugiura, Naomi Sato, Ryoko Saito, Junya Tominaga, Akira Watanabe, Masakazu Ichinose
BACKGROUND: Fungi can cause a variety of infectious diseases, including invasive mycosis and non-invasive mycosis, as well as allergic diseases. The different forms of mycosis usually have been described as mutually exclusive, independent entities, with few descriptions of overlapping cases. Here, we describe the first reported case of a patient with the complication of pulmonary eosinophilia in the course of invasive mucormycosis. CASE PRESENTATION: A 74-year-old Japanese man with asthma-COPD overlap underwent emergency surgery for a ruptured abdominal aortic aneurysm...
April 28, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28454528/asthma-control-using-fluticasone-propionate-salmeterol-in-asian-and-non-asian-populations-a-post-hoc-analysis-of-the-goal-study
#20
Jean Bousquet, Neil Barnes, Michael Gibbs, Nadeem Gul, Susan A Tomkins, Xin Zhou, Young-Joo Cho, Hae-Sim Park, William Busse, Nanshan Zhong
BACKGROUND: To analyse the efficacy of fluticasone propionate (FP) alone and combined with salmeterol (SAL) in achieving guideline-defined asthma control in Asian patients. METHODS: A post hoc analysis of the GOAL study in which patients were stratified by prior-medication use into inhaled corticosteroid (ICS)-naïve (Stratum [S] 1), low-dose ICS (S2), and medium-dose ICS (S3), and randomised to receive FP/SAL or FP. Doses were stepped-up every 12 weeks until Totally Controlled asthma or maximum dose was reached (PhI) and then maintained until study end (PhII)...
April 28, 2017: BMC Pulmonary Medicine
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