Active clinical trials for "Lung Diseases, Obstructive"

The purpose of this study is to monitor the change in the health status of severe COPD patients after the initiation of Tiotropium therapy. This will be assessed by the physician's global evaluation of the patient's health status on a 8-point scale. This measure has been shown to correlate with a established standard measure of the patients health related quality of life. The primary analysis in this trial will only include patients not pre-treated with a long-acting beta-agonist to establish a clear efficacy signal in this patient population. As the reality of COPD treatment nowadays is poly-pharmacy, a secondary analysis will analyse patients who are pretreated with long-acting bronchodilators to put the changes in the health status in a likely real world context. In parallel to these evaluations of the health status, the lung function response of the patients will be assessed to gain an established objective measure of treatment response.

Main objective: Evaluate the effectiveness of a combined strategy addressed to health care workers and patients, in relation to improving clinical control and patient's quality of life.It includes a feed-back about the health status of the patients, an education plan addressed to practitioners based in a CPG and in health education

This non-interventional study is to analyse the therapeutic effectiveness in patients with severe COPD following a generally accepted 12-week treatment period with Symbicort Turbuhaler, which could anyhow be shortened or extended at physician's discretion.

The purpose of this study is to determine whether genetic factors contribute to an individuals risk of developing obstructive lung disease from smoking cigarettes.

To determine the effects of chronic ozone exposure on lung function in young men and women.

To collect data from the 37 participating clinical centers on patients with alpha1-antitrypsin deficiency, including those who received replacement therapy with an intravenous preparation of alpha1-proteinase inhibitor (A1Pi) concentrate.

This prospective, blinded observational clinical study was aimed to determine the effect of hyperhydration and muscle loss measured by Bioelectrical impedance vector analysis (BIVA) on mortality. The aim was to compare hydratation parameters measured by BIVA: OHY, Extracellular Water (ECW) / Total Body Wate (TBW) and quadrant, vector length, phase angle (PA) with cumulative fluid balance (CFB) recording (input-output) in their ability in predicting mortality as the abilities of the prognostic markers PA (BIVA), Acute Physiology and Chronic Health Evaluation II (APACHE II - score) and presepsin (serum Cluster of Differentiation (CD) 14-ST). The investigators also compared BIVA nutritional indicators (SMM, fat) with BMI and laboratory parameters (albumin, prealbumin and C-reactive protein (CRP) inflammation parameters) in the prediction of mortality. An important goal was to evaluate the usability of the BIVA method in critically ill patients on extracorporeal circulation, to compare the impedance data of the extracorporeal membrane oxygenation (ECMO) and non-ECMO groups.

Low-dose chest computed tomography (CT) is considered as a screening method for early detection of lung cancer in the population at risk, and it also allows to detect chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD). Studies in European population showed the benefit of volumetric assessment of CT screening-detected lung nodules compared to diameter-based assessment. Screening for COPD and CVD, in addition to lung cancer, may significantly increase the benefits of low-dose CT lung cancer screening. The objective is to assess the screening performance of volume-based management of CT-detected lung nodule in comparison to diameter-based management, and to improve the effectiveness of CT screening for COPD and CVD, in addition to lung cancer, based on quantitative measurement of CT imaging biomarkers in a Chinese screening setting. Thus, a population-based comparative study will be performed in Shanghai, China.

Pulmonary rehabilitation (PR) has proven its efficacy to improve dyspnea, health status, exercise tolerance and quality of life for patients with stable Chronic Obstructive Pulmonary Disease (COPD). Exercise training has previously been thoroughly studied but education has been less studied in PR. Furthermore, only few studies have investigated the added value of an educational program (EP) to exercise training on clinical and physical factors. Characterizing those patients who refuse EP is therefore a first step to better target them and potentially improve their adherence and outcome following PR. The aim of this study was to determine the characteristics of the COPD patients referred to PR who refused EP compare to those who accepted and to identify the independent predictive factors of refusal. The investigators also sought to compare the change in clinical outcomes and number and length of hospitalization at six months following PR among those patients who accepted or not to participate in EP.

Patients with COPD benefit from pulmonary rehabilitation (PR), but a ceiling effect of performance (ie. absence of additional exercise tolerance increase) is observed in 80% of patients from only 20 sessions. An imbalance between intensity, duration and frequency of PR sessions, leading to fatigue development in the course of the PR, could explain this ceiling effect. However, previous studies having evaluated the impact of a PR program on fatigue scores reported either a decrease or no changing, but never an increase. To date, no study has evaluated intermediate variations of fatigue score during a PR program, but were limited to a pre-post PR assessment. Therefore, fatigue fluctuations during PR are unknown. Furthermore, most studies had only unidimensional fatigue assessment. Since fatigue is a multifactorial and a multidimensional process, it cannot be accurately estimated through a unique assessment. Given that most of COPD patients do not increase their exercise tolerance from 20 PR sessions, the investigators hypothesize a significant increase of multidimensional fatigue score between the 1st and the 20th PR session during an inpatient rehabilitation program lasting 4 weeks (40 sessions).