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Respirology: Official Journal of the Asian Pacific Society of Respirology

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https://www.readbyqxmd.com/read/28102963/diagnostic-value-of-endobronchial-ultrasound-elastography-for-the-differentiation-of-benign-and-malignant-intrathoracic-lymph-nodes
#1
Potjanee Korrungruang, Viboon Boonsarngsuk
BACKGROUND AND OBJECTIVE: Endobronchial ultrasound (EBUS) findings can be used for benign/malignant differentiation of lymph nodes (LNs). Recently, EBUS elastography has been introduced as a complementary modality in the evaluation of intrathoracic lymphadenopathy. We evaluated the ability of EBUS elastography to differentiate between benign and malignant LNs. METHODS: A prospective study was conducted on patients sent for evaluation of intrathoracic lymphadenopathy...
January 19, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28093834/seasonality-of-pathogens-causing-community-acquired-pneumonia
#2
Catia Cilloniz, Santiago Ewig, Albert Gabarrus, Miquel Ferrer, Jorge Puig de la Bella Casa, Josep Mensa, Antoni Torres
BACKGROUND AND OBJECTIVE: Seasonal distribution of microbial aetiology in patients with community-acquired pneumonia (CAP) may add important information both for epidemiologists and clinicians. We investigate the seasonal distribution of microbial aetiology in CAP. METHODS: This prospective observational study was carried out in the Hospital Clinic of Barcelona, Spain (January 2003-December 2014). RESULTS: We studied 4431 patients with CAP, of whom 2689 (61%) were males...
January 17, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28001000/echocardiographic-abnormalities-and-their-impact-on-health-status-in-patients-with-copd-referred-for-pulmonary-rehabilitation
#3
Sarah Houben-Wilke, Martijn A Spruit, Nicole H M K Uszko-Lencer, Gosia Otkinska, Lowie E G W Vanfleteren, Paul W Jones, Emiel F M Wouters, Frits M E Franssen
BACKGROUND AND OBJECTIVE: Both patients with cardiac diseases as well as those with COPD report an impaired health status. The frequencies of objectively assessed co-morbid cardiac diseases and their impact on health status in patients with COPD are unknown. We aimed to investigate echocardiographic abnormalities and their impact on health status in a large cohort of patients with COPD referred for pulmonary rehabilitation (PR). METHODS: In this cross-sectional, observational analyses, demographic and clinical characteristics were assessed during an inpatient pre-PR assessment...
December 21, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27997064/nintedanib-in-japanese-patients-with-idiopathic-pulmonary-fibrosis-a-subgroup-analysis-of-the-inpulsis%C3%A2-randomized-trials
#4
Arata Azuma, Hiroyuki Taniguchi, Yoshikazu Inoue, Yasuhiro Kondoh, Takashi Ogura, Sakae Homma, Tsuyoshi Fujimoto, Wataru Sakamoto, Yukihiko Sugiyama, Toshihiro Nukiwa
BACKGROUND AND OBJECTIVE: Idiopathic pulmonary fibrosis (IPF) is a specific form of chronic, progressive fibrosing interstitial pneumonia. Nintedanib significantly reduced the annual rate of decline in forced vital capacity (FVC) compared with placebo in patients with IPF in two replicate trials (INPULSIS®). We examined the efficacy and safety of nintedanib in Japanese patients. METHODS: We conducted pre-specified subgroup analyses of the annual rate of decline in FVC, time to first acute exacerbation (AE), change from baseline in St George's Respiratory Questionnaire (SGRQ) total score and safety using pooled data from the INPULSIS® trials for Japanese patients...
December 20, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27992099/home-based-telerehabilitation-via-real-time-videoconferencing-improves-endurance-exercise-capacity-in-patients-with-copd-the-randomized-controlled-teler-study
#5
Ling Ling Y Tsai, Renae J McNamara, Chloe Moddel, Jennifer A Alison, David K McKenzie, Zoe J McKeough
BACKGROUND AND OBJECTIVE: Telerehabilitation has the potential to increase access to pulmonary rehabilitation (PR) for patients with COPD who have difficulty accessing centre-based PR due to poor mobility, lack of transport and cost of travel. We aimed to determine the effect of supervised, home-based, real-time videoconferencing telerehabilitation on exercise capacity, self-efficacy, health-related quality of life (HRQoL) and physical activity in patients with COPD compared with usual care without exercise training...
December 19, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27990710/efficacy-of-early-sivelestat-administration-on-acute-lung-injury-and-acute-respiratory-distress-syndrome
#6
Takashi Kido, Keiji Muramatsu, Kazuhiro Yatera, Takeshi Asakawa, Hiroki Otsubo, Tatsuhiko Kubo, Yoshihisa Fujino, Shinya Matsuda, Toshihiko Mayumi, Hiroshi Mukae
BACKGROUND AND OBJECTIVE: The efficacy of sivelestat, a neutrophil elastase inhibitor, for acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) remains controversial. We investigated the role of sivelestat in ALI/ARDS patients on mortality as an end point between the sivelestat group and the non-sivelestat group within 7 days of admission. METHODS: This study was performed using the Japanese nationwide administrative database (Diagnostic Procedure Combination; DPC) in 2012...
December 18, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27983774/cost-effectiveness-of-indwelling-pleural-catheter-compared-with-talc-in-malignant-pleural-effusion
#7
Jordan A P Olfert, Erika D Penz, Braden J Manns, Eleanor K Mishra, Helen E Davies, Robert F Miller, Ramon Luengo-Fernandez, Song Gao, Najib M Rahman
BACKGROUND AND OBJECTIVE: Malignant pleural effusion is associated with morbidity and mortality. A randomized controlled trial previously compared clinical outcomes and resource use with indwelling pleural catheter (IPC) and talc pleurodesis in this population. Using unpublished quality of life data, we estimate the cost-effectiveness of IPC compared with talc pleurodesis. METHODS: Healthcare utilization and costs were captured during the trial. Utility weights produced by the EuroQol Group five-dimensional three-level questionnaire and survival were used to determine quality-adjusted life-years (QALYs) gained...
December 16, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27976836/soluble-thrombomodulin-in-bronchoalveolar-lavage-fluid-is-an-independent-predictor-of-severe-drug-induced-lung-injury
#8
Atsushi Suzuki, Hiroyuki Taniguchi, Yasuhiro Kondoh, Masahiko Ando, Naohiro Watanabe, Tomoki Kimura, Kensuke Kataoka, Toshiki Yokoyama, Koji Sakamoto, Yoshinori Hasegawa
BACKGROUND AND OBJECTIVE: Drug-induced lung injury (DLI) can result from a vast number of agents, and sometimes presents findings similar to those of acute respiratory distress syndrome (ARDS). Previous studies have reported that circulating levels of soluble thrombomodulin (TM) reflect endothelial injuries, which play key roles in the development of ARDS. We hypothesized that endothelial injuries are an important aspect of pathogenesis in severe DLI. The primary aim of this study was to examine the associations between soluble TM and disease severity in DLI patients...
December 15, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27933703/effects-of-cpap-therapy-on-visceral-fat-thickness-carotid-intima-media-thickness-and-adipokines-in-patients-with-obstructive-sleep-apnoea
#9
Susanna S S Ng, Eric K H Liu, Ronald C W Ma, Tat-On Chan, Kin-Wang To, Ken K P Chan, Jenny Ngai, Wing-Ho Yip, Fanny W S Ko, Chun-Kwok Wong, David S C Hui
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) is associated with an increased prevalence of metabolic syndrome. This study explores the effects of continuous positive airway pressure (CPAP) for patients with OSA on visceral and mesenteric fat thickness, carotid intima-media thickness (IMT) and adipokines. METHODS: A randomized controlled study was conducted at a teaching hospital on 90 patients newly diagnosed with OSA to receive either therapeutic CPAP or subtherapeutic CPAP for 3 months...
December 9, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27917572/mannitol-challenge-testing-for-asthma-in-a-community-cohort-of-young-adults
#10
Elisha C White, Nicholas de Klerk, Zoltan Hantos, Monique Priston, Elysia M Hollams, Alan James, Peter D Sly, Patrick G Holt, Graham L Hall
BACKGROUND AND OBJECTIVE: Mannitol challenge testing is an established tool for clinical asthma diagnosis, and can be performed outside of specialized respiratory laboratories. Despite applicability in both clinical and non-clinical populations, with different pre-test asthma probabilities, differences in diagnostic properties have not been well explored. This study aimed to quantify the diagnostic utility of mannitol challenge testing for asthma in a community cohort and a symptomatic wheezing subset of this cohort...
December 5, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27899011/nasal-lavage-blood-or-sputum-which-is-best-for-phenotyping-asthma
#11
Camyla F de Farias, Maria M F Amorim, Michel Dracoulakis, Lilian B Caetano, Ilka L Santoro, Ana L G Fernandes
BACKGROUND AND OBJECTIVE: Determination of asthma phenotypes, particularly inflammatory phenotypes, helps guide treatment and management of this heterogeneous disease. Induced sputum cytology has been the gold standard for determination of inflammatory phenotypes, but sputum induction is fairly invasive and technically challenging. Blood and nasal lavage cytology have been suggested as substitutes, but have not been fully verified. The aim of this study is to determine the accuracy of blood and nasal lavage cytometry as indicators of inflammatory phenotypes in asthma...
November 29, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27899005/angle-%C3%AE-of-greater-than-80%C3%A2-at-the-start-of-spirometry-may-identify-high-quality-flow-volume-curves
#12
Ningfang Lian, Li Li, Weiying Ren, Zhilong Jiang, Lei Zhu
BACKGROUND AND OBJECTIVE: The American Thoracic Society (ATS) and European Respiratory Society (ERS) emphasize a satisfactory start in maximal expiratory flow-volume (MEFV) curves and highlight subjective parameters: performance without hesitation and expiration with maximum force. We described a new parameter, angle β for characterization of the start to the MEFV curve. METHODS: Subjects completed the MEFV curve at least three times and at least two curves met ATS/ERS quality...
November 29, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27886421/pathophysiology-of-dyspnoea-in-acute-pulmonary-embolism-a-cross-sectional-evaluation
#13
Olivier Sanchez, Aurore Caumont-Prim, Elisabeth Riant, Laurent Plantier, Martin Dres, Bruno Louis, Marie-Anne Collignon, Benoit Diebold, Guy Meyer, Claudine Peiffer, Christophe Delclaux
BACKGROUND AND OBJECTIVE: Dyspnoea in pulmonary embolism (PE) remains poorly characterized. Little is known about how to measure intensity or about the underlying mechanisms that may be related to ventilatory abnormalities, alveolar dead space ventilation or modulating factors such as psychological modulate. We hypothesized that dyspnoea would mainly be associated with pulmonary vascular obstruction and its pathophysiological consequences, while the sensory-affective domain of dyspnoea would be influenced by other factors...
November 25, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27882640/physiological-markers-of-exercise-capacity-and-lung-disease-severity-in-cystic-fibrosis
#14
Laurie Smith, Charles C Reilly, Victoria MacBean, Caroline J Jolley, Caroline Elston, John Moxham, Gerrard F Rafferty
BACKGROUND AND OBJECTIVE: Peak aerobic capacity (VO2 peak) is an important outcome measure in cystic fibrosis (CF), but measurement is not widely available and can be influenced by patient motivation, pain and fatigue. Alternative markers of disease severity would be helpful. Neural respiratory drive, measured using parasternal intercostal muscle electromyography (EMGpara), reflects the load to capacity balance of the respiratory system and provides a composite measure of pulmonary function impairment in CF...
November 24, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27879023/potential-effect-of-ezetimibe-against-mycobacterium-tuberculosis-infection-in-type-ii-diabetes
#15
I-Fang Tsai, Chiu-Ping Kuo, Andrew B Lin, Ming-Nan Chien, Hsin-Tsung Ho, Tsai-Yin Wei, Chien-Liang Wu, Yen-Ta Lu
BACKGROUND AND OBJECTIVE: Tuberculosis (TB) risk might be increased in patients with diabetes by factors other than hyperglycaemia, such as dyslipidaemia. Host lipids are essential energy sources used by mycobacteria to persist in a latent TB state. A potential therapy targeting cholesterol catabolism of mycobacteria has been proposed, but the potential of cholesterol-lowering drugs as anti-TB therapy is unclear. The purpose of this study was to determine the effects of ezetimibe, a 2-azetidinone cholesterol absorption inhibitor, on intracellular mycobacteria survival and dormancy...
November 23, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27878909/role-of-mcp-1-in-pleural-effusion-development-in-a-carrageenan-induced-murine-model-of-pleurisy
#16
Sally M Lansley, Hui Min Cheah, Y C Gary Lee
BACKGROUND AND OBJECTIVE: Exudative pleural effusions affect over 1500 patients per million population each year. The pathobiology of pleural exudate formation remains unclear. Our recent study revealed monocyte chemotactic protein-1 (MCP-1) as a key driver of fibrinolytic-induced exudate effusion while another study found a role for MCP-1 in malignant effusion formation. In the present study, we further evaluated the role of MCP-1 in the development of pleural effusion in a mouse model of acute pleural inflammation...
November 22, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27878892/influence-of-siglec9-polymorphisms-on-copd-phenotypes-including-exacerbation-frequency
#17
Takeo Ishii, Takashi Angata, Emily S Wan, Michael H Cho, Takashi Motegi, Congxiao Gao, Kazuaki Ohtsubo, Shinobu Kitazume, Akihiko Gemma, Peter D ParÉ, David A Lomas, Edwin K Silverman, Naoyuki Taniguchi, Kozui Kida
BACKGROUND AND OBJECTIVE: The exacerbation-prone phenotype of COPD is particularly important, as exacerbations lead to poor quality of life and disease progression. We previously found that COPD patients who lack Siglec-14, a myeloid cell protein that recognizes bacteria and triggers inflammatory responses, are less prone to exacerbation. We hypothesized that the variations in other SIGLEC genes could also influence COPD exacerbation frequency, and investigated the association between SIGLEC9 polymorphisms and the exacerbation-prone phenotype of COPD...
November 22, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27868303/fat-free-mass-index-predicts-survival-in-patients-with-idiopathic-pulmonary-fibrosis
#18
Osamu Nishiyama, Ryo Yamazaki, Hiroyuki Sano, Takashi Iwanaga, Yuji Higashimoto, Hiroaki Kume, Yuji Tohda
BACKGROUND AND OBJECTIVE: Detailed body composition, such as fat-free mass, has not been examined in idiopathic pulmonary fibrosis (IPF). We investigated whether the fat-free mass index (FFMI), an index of lean body mass, predicted survival. METHODS: Forty-four patients with IPF were enrolled in the study. Their body composition was assessed using direct segmental multi-frequency bioelectrical impedance analysis. The degree of correlation between variables of body composition and other variables such as forced vital capacity (FVC) and survival was examined...
November 21, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27860068/effect-of-osa-on-hypoxic-and-inflammatory-markers-during-cpap-withdrawal-further-evidence-from-three-randomized-control-trials
#19
Chris D Turnbull, Valentina A Rossi, Peter Santer, Esther I Schwarz, John R Stradling, Nayia Petousi, Malcolm Kohler
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) is associated with cardiovascular disease. Intermittent hypoxia, endothelial dysfunction and adipose tissue-mediated inflammation have all been linked to cardiovascular disease in OSA. We therefore explored the effect of OSA on relevant associated blood markers: adrenomedullin (ADM), endocan, endothelin-1 (ET-1), resistin and vascular endothelial growth factor (VEGF). METHODS: Patients with OSA, established on and compliant with continuous positive airways pressure (CPAP) therapy for >1 year were included from three randomized controlled trials, conducted at two centres...
November 18, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27860040/lesion-heterogeneity-and-risk-of-infectious-complications-following-peripheral-endobronchial-ultrasound
#20
Marc Fortin, Niloofar Taghizadeh, Alex Chee, Christopher A Hergott, Elaine Dumoulin, Alain Tremblay, Paul MacEachern
BACKGROUND AND OBJECTIVE: The reported incidence of peripheral endobronchial ultrasound (pEBUS)-related infectious complications is below 1%, although studies have never focused solely on them or reported their risk factors. The goal of this study is to describe our local pEBUS infectious complication rate and characterize patient, lesion and procedural factors associated with infectious complications. METHODS: All charts, computed tomography scans and electronic records of patients who underwent a pEBUS at the Foothills Medical Center and South Health Campus Hospital in Calgary between 1 May 2014 and 1 October 2015 were reviewed...
November 18, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
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