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Pulmonary function test

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https://www.readbyqxmd.com/read/28437264/magnesium-sulphate-improves-pulmonary-function-after-video-assisted-thoracoscopic-surgery-a-randomised-double-blind-placebo-controlled-study
#1
Hye-Min Sohn, Sang-Hoon Jheon, Sunwoo Nam, Sang-Hwan Do
BACKGROUND: Reduced lung volumes are unavoidable after lung resection surgery. Magnesium sulphate (MgSO4) administration has been reported to reduce the requirement for neuromuscular blocking drugs and postoperative analgesics in surgical patients. OBJECTIVE: To investigate the effect of MgSO4 on pulmonary function after video-assisted thoracoscopic surgery (VATS). DESIGN: A randomised, double-blind, placebo-controlled trial. SETTING: A university tertiary care centre...
April 21, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28436850/pulmonary-lobe-segmentation-with-probabilistic-segmentation-of-the-fissures-and-a-groupwise-fissure-prior
#2
Felix Bragman, Jamie McClelland, Joseph Jacob, John Hurst, David Hawkes
A fully automated, unsupervised lobe segmentation algorithm is presented based on a probabilistic segmentation of the fissures and the simultaneous construction of a population model of the fissures. A two-class probabilistic segmentation segments the lung into candidate fissure voxels and the surrounding parenchyma. This was combined with anatomical information and a groupwise fissure prior to drive non-parametric surface fitting to obtain the final segmentation. The performance of our fissure segmentation was validated on 30 patients from the COPDGene cohort, achieving a high median F1-score of 0:90 and showed general insensitivity to filter parameters...
April 18, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28436723/asymptomatic-peripheral-artery-disease-can-limit-maximal-exercise-capacity-in-chronic-obstructive-pulmonary-disease-patients-regardless-of-airflow-obstruction-and-lung-hyperinflation
#3
Ernesto Crisafulli, Chiara Scelfo, Panagiota Tzani, Marina Aiello, Giuseppina Bertorelli, Alfredo Chetta
Background Silent/asymptomatic peripheral artery disease may occur in patients with chronic obstructive pulmonary disease, but it is poorly investigated. The primary aim of this study was to evaluate in chronic obstructive pulmonary disease patients the impact of asymptomatic/silent peripheral artery disease on maximal exercise capacity; the secondary aim was to search for predictors of peripheral artery disease. Methods We prospectively enrolled chronic obstructive pulmonary disease outpatients. Data on anthropometric characteristics, lung function, cardiopulmonary exercise test and ankle-brachial index were recorded...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28436580/pulmonary-function-and-outcomes-in-infants-randomized-to-a-rescue-course-of-antenatal-steroids
#4
Cindy McEvoy, Diane Schilling, Patricia Spitale, Jean O'Malley, Susan Bowling, Manuel Durand
BACKGROUND/OBJECTIVE: Our objective was to obtain follow-up pulmonary function testing and assessment of clinical respiratory outcomes, at 1-2 years, in preterm infants whose mothers were randomized to a single rescue course of antenatal steroids (AS) versus placebo. METHODS: Follow-up of a randomized, double-blinded trial. In the original trial pregnant women ≥14 days after initial course of AS were randomized to rescue AS or placebo. Pulmonary function testing and a standardized respiratory questionnaire were obtained at 1-2 years of corrected age...
April 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28435743/effects-of-overground-locomotor-training-on-the-ventilatory-response-to-volitional-treadmill-walking-in-individuals-with-incomplete-spinal-cord-injury-a-pilot-study
#5
Gino S Panza, Andrew A Guccione, Lisa M Chin, Jared M Gollie, Jeffery E Herrick, John P Collins
INTRODUCTION: Although there has been substantial emphasis on the neuromuscular and cardiovascular adaptations following rehabilitation, pulmonary adaptations in individuals with incomplete SCI (iSCI) in response to locomotor training have been less frequently studied. In healthy individuals, effective transition from rest to work is accomplished by a hyperpneic response, which exhibits an exponential curve with three phases. However, the degree to which our current understanding of exercise hyperpnea can be applied to individuals with iSCI is unknown...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28433478/investigation-on-acute-effects-of-enzyme-replacement-therapy-and-influence-of-clinical-severity-on-physiological-variables-related-to-exercise-tolerance-in-patients-with-late-onset-pompe-disease
#6
Annalisa Sechi, Desy Salvadego, Alessandro Da Ponte, Nicole Bertin, Andrea Dardis, Silvia Cattarossi, Grazia Devigili, Federico Reccardini, Bruno Bembi, Bruno Grassi
Exercise intolerance is one of the clinical hallmarks of late-onset Pompe disease (LOPD). We studied the acute effects of ERT on the physiological variables associated with exercise tolerance in patients chronically ERT treated. Moreover, we assessed the influence of clinical severity on the investigated variables. The day before (B) and the day after (A) ERT injection, 11 LOPD patients performed on a cycle-ergometer an exercise tolerance test to voluntary exhaustion; VO2, HR, RPE, and GAA activity were determined in B and A...
March 10, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28432267/assessment-of-lung-function-in-a-large-cohort-of-patients-with-acromegaly
#7
Sylvere Störmann, Bodo Gutt, Josefine Roemmler-Zehrer, Martin Bidlingmaier, Rudolf Maria Huber, Jochen Schopohl, Matthias Angstwurm
OBJECTIVE: Acromegaly is associated with increased mortality due to respiratory disease. To date, lung function in patients with acromegaly has only been assessed in small studies, with contradicting results. We assessed lung function parameters in a large cohort of patients with acromegaly. DESIGN: Lung function of acromegaly patients was prospectively assessed using spirometry, blood gas analysis and body plethysmography. Biochemical indicators of acromegaly were assessed through measurement of growth hormone and IGF-I levels...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28429357/inhibition-of-pulmonary-carcinoma-proliferation-or-metastasis-of-mir-218-via-down-regulating-cdcp1-expression
#8
X-J Zeng, Y-H Wu, M Luo, P-G Cong, H Yu
OBJECTIVE: Pulmonary carcinoma is one common malignant tumor with a high risk of recurrence and metastasis. Non-small cell lung cancer (NSCLC) is the most common subtype. As one tumor biomarker, microRNA (miR) has tissue sensitivity and can facilitate oncogene or inhibit tumor suppressor gene. MiR-218 has abnormal expression and can work as one molecular marker for tumors. However, its expression and function mechanism in lung cancer cells have not been fully illustrated. MATERIALS AND METHODS: In vitro cultured pulmonary adenoma A549 cells and normal bronchial epithelial cell line 16HBE were tested for miR-218 expression...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28428699/putative-role-of-cardio-metabolic-risk-among-poorly-controlled-asthmatics-in-south-indian-population
#9
Murugaiyan Sathish Babu, K P Sreesoorya, Surendra K Menon, Subiman Saha, A R Srinivasan, S Arul Vijaya Vani, R Reeta, V Kuzhandai Velu
Mortality and morbidity attributed to asthma remains to be the biggest nightmare worldwide. Hence, the study was aimed to compare the cardio metabolic risk factors as assessed by Body mass index (BMI), waist hip ratio (WHR), serum triacylglycerol and uric acid in well controlled and poorly controlled asthmatics and to correlate these parameters with the severity of asthma. A case control study was conducted on 90 subjects who were segregated into well controlled asthmatics (n = 30) and poorly controlled asthmatics (n = 30) who were diagnosed based on Global initiative for Asthma management guidelines and healthy volunteers (n = 30)...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28427555/impact-of-cavity-and-infiltration-on-pulmonary-function-and-health-related-quality-of-life-in-pulmonary-mycobacterium-avium-complex-disease-a-3-dimensional-computed-tomographic-analysis
#10
Takanori Asakura, Yoshitake Yamada, Ho Namkoong, Shoji Suzuki, Yuki Niijima, Hirofumi Kamata, Yohei Funatsu, Kazuma Yagi, Satoshi Okamori, Hiroaki Sugiura, Makoto Ishii, Masahiro Jinzaki, Tomoko Betsuyaku, Naoki Hasegawa
BACKGROUND AND OBJECTIVES: Pulmonary Mycobacterium avium complex (pMAC) disease manifests as various types of lesions, such as infiltrates, nodules, cavities, and bronchiectasis. However, the important determinants for clinical parameters in lung involvement are poorly understood. The objective of this study was to obtain quantitative parameters by 3-dimensional CT, and investigate the relationship between these parameters and the pulmonary function tests (PFTs) and health-related quality of life...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28427553/familial-pulmonary-fibrosis-clinical-and-radiological-characteristics-and-progression-analysis-in-different-high-resolution-ct-patterns
#11
David Bennett, Maria Antonietta Mazzei, Nevada Cioffi Squitieri, Elena Bargagli, Rosa Metella Refini, Antonella Fossi, Luca Volterrani, Paola Rottoli
BACKGROUND: Familial pulmonary fibrosis (FPF) is defined as an idiopathic diffuse parenchymal lung disease affecting two or more members of the same primary biological family. The aim of the present study was to contribute to the clinical, functional and radiological characterisation of FPF with particular regards to disease progression and survival. METHODS: Baseline clinical, functional and radiological data of a FPF population (n = 46 patients) were retrospectively collected and analysed according to the 2011 IPF guidelines HRCT classification...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28427470/pulmonary-hypertension-in-lymphangioleiomyomatosis-prevalence-severity-and-the-role-of-carbon-monoxide-diffusion-capacity-as-a-screening-method
#12
Carolina S G Freitas, Bruno G Baldi, Carlos Jardim, Mariana S Araujo, Juliana Barbosa Sobral, Gláucia I Heiden, Ronaldo A Kairalla, Rogério Souza, Carlos R R Carvalho
BACKGROUND: Lymphangioleiomyomatosis (LAM) is included within group 5 of the current PH classification (unclear multifactorial mechanisms). However, data regarding the occurrence of PH in LAM are scarce. The aims of the study were to describe the prevalence and characteristics of PH in a large cohort of LAM patients with different levels of severity, and to evaluate the role of echocardiography and carbon monoxide diffusion capacity (DLCO) as screening methods for PH in LAM. METHODS: One hundred five LAM patients underwent transthoracic echocardiography, pulmonary function tests (PFTs) and 6-min walk test (6MWT)...
April 20, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28427314/capturing-complexity-in-pulmonary-system-modelling
#13
Alys R Clark, Haribalan Kumar, Kelly Burrowes
Respiratory disease is a significant problem worldwide, and it is a problem with increasing prevalence. Pathology in the upper airways and lung is very difficult to diagnose and treat, as response to disease is often heterogeneous across patients. Computational models have long been used to help understand respiratory function, and these models have evolved alongside increases in the resolution of medical imaging and increased capability of functional imaging, advances in biological knowledge, mathematical techniques and computational power...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28426895/short-term-pulmonary-function-trends-are-predictive-of-mortality-in-interstitial-lung-disease-associated-with-systemic-sclerosis
#14
Nicole S Goh, Rachel K Hoyles, Christopher P Denton, David M Hansell, Elisabetta A Renzoni, Toby M Maher, Andrew G Nicholson, Athol U Wells
OBJECTIVE: To determine the prognostic value of pulmonary function test (PFT) trends at one and two years in interstitial lung disease associated with systemic sclerosis (SSc-ILD). METHODS: The prognostic significance of PFT trends at one year (n=162), and two years (n=140) was examined against 15 year survival. PFT trends, expressed as continuous and categorical change in separate analyses, were examined against mortality in univariate and multivariate models. SSc-ILD was defined at presentation as limited lung fibrosis or extensive lung fibrosis using the UKRSA staging system...
April 20, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28425226/a-review-of-pediatric-pulmonary-hypertension-with-new-guidelines
#15
Serdar Kula, Ayhan Pektaş
This study aims to review pediatric pulmonary hypertension (PH) by comparing the guidelines of the European Society of Cardiology (ESC)/European Respiratory Society (ERS), the American Heart Association (AHA)/American Thoracic Society (ATS), and the European Pediatric Pulmonary Vascular Disease Network (EPPVDN). All three sets of guidelines define PH as having a mean pulmonary artery pressure of ≥25 mmHg and accept the validity of the World Health Organization (WHO) classification system. Every child with a high index of suspicion for PH should undergo an initial work-up of chest X-rays, electrocardiography, and echocardiography...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424613/the-relationship-between-cerebral-small-vessel-disease-hippocampal-volume-and-cognitive-functioning-in-patients-with-copd-an-mri-study
#16
Fiona A H M Cleutjens, Rudolf W H M Ponds, Martijn A Spruit, Saartje Burgmans, Heidi I L Jacobs, Ed H B M Gronenschild, Julie Staals, Frits M E Franssen, Jeanette B Dijkstra, Lowie E G W Vanfleteren, Paul A Hofman, Emiel F M Wouters, Daisy J A Janssen
The neural correlates of cognitive impairment in chronic obstructive pulmonary disease (COPD) are not yet understood. Structural brain abnormalities could possibly be associated with the presence of cognitive impairment through cigarette smoke, inflammation, vascular disease, or hypoxemia in these patients. This study aimed to investigate whether macrostructural brain magnetic resonance imaging (MRI) features of cerebral small vessel disease (SVD) and hippocampal volume (HCV) are related to cognitive performance in patients with COPD...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28424548/decreased-levels-of-irisin-a-skeletal-muscle-cell-derived-myokine-are-related-to-emphysema-associated-with-chronic-obstructive-pulmonary-disease
#17
Yukari Sugiyama, Kazuhisa Asai, Kazuhiro Yamada, Yuko Kureya, Naoki Ijiri, Tetsuya Watanabe, Hiroshi Kanazawa, Kazuto Hirata
BACKGROUND: Cigarette smoking-induced oxidant-antioxidant imbalance is a factor that contributes to the pathogenesis of COPD through epithelial cell apoptosis. Irisin is a skeletal muscle cell-derived myokine associated with physical activity. Irisin is also known to decrease oxidant-induced apoptosis in patients with diabetes mellitus. However, the correlation between irisin and emphysema in COPD and its role in epithelial cell apoptosis remains unknown. SUBJECTS AND METHODS: Forty patients with COPD were enrolled in this study...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28424226/objective-measurement-of-adherence-to-out-patient-airway-clearance-therapy-by-high-frequency-chest-wall-compression-in-cystic-fibrosis
#18
Christina L Mikesell, Robert R Kempainen, Theresa A Laguna, Jeremiah S Menk, Andrew R Wey, Philippe R Gaillard, Warren E Regelmann
BACKGROUND: Objective measures of adherence to high-frequency chest wall compression (HFCWC, also known as high frequency chest wall oscillation, HFCWO), a form of airway clearance therapy for patients with cystic fibrosis, are lacking. We used a novel electronic monitoring device integrated into an HFCWC vest to measure adherence compared with self-reported adherence. We determined factors that influenced adherence and how adherence correlated with baseline pulmonary function and pulmonary exacerbations...
April 19, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28424225/quantitative-assessment-of-airway-pathology-in-subjects-with-copd-using-low-dose-high-resolution-computed-tomography
#19
Huai Chen, Gai-Qun Chen, Qing-Si Zeng, Ting-Ting Xia, Jia-Xuan Zhou, Shi-Jun Qiu
BACKGROUND: The purpose of this study was to correlate airway parameters of COPD determined by low-dose high-resolution computed tomography (HRCT) with pulmonary function testing (PFT) results. METHODS: PFT data were collected for subjects with COPD and healthy controls. All subjects received inspiratory and expiratory phase low-dose HRCT. Bronchi in the apical segment of the right upper lobe (RB1), posterior segment of the right lower lobe (RB6), and lower lingual segment of the left upper lobe (LB5) were the target bronchi...
April 19, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28420916/the-effect-of-bariatric-anaesthesia-on-postoperative-pulmonary-functions
#20
Ozcan Piskin, Bulent Altinsoy, Murat Cimencan, Bengu Gulhan Aydin, Dilek Okyay, Gamze Kucukosman, Oge Tascilar, Selda Sarikaya, Hilal Ayoglu
OBJECTIVE: To evaluate respiratory function in the post-operative early period of patients undergoing bariatric surgery using the sleeve gastrectomy technique. METHODS: This prospective, observational study was conducted at Bülent Ecevit University Health Application and Research Centre, Zonguldak, Turkey from June to December 2014, and comprised patients with planned bariatric sleeve gastrectomy under general anaesthesia. Participants were visited 12-24 hours before the operation to record accompanying diseases and demographic data...
April 2017: JPMA. the Journal of the Pakistan Medical Association
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