Active clinical trials for "Respiratory Tract (Lung and Bronchial) Diseases"

A breathing condition known as "chronic obstructive pulmonary disease" (COPD) caused by cigarette smoking is a major health problem. The way by which smoking leads to lung disease is uncertain. Recent research done in animals provides a description of specific changes (that is a reduction) in these immune cell types as a result of cigarette smoke exposure. The study you have been asked to participate in is a pilot study to see if similar changes occur in humans who smoke. The purpose of this study is to evaluate this new method of testing blood in 3 groups of 10 people: normal non-smoking subjects, subjects who smoke with no history of lung disease and subjects who smoke and have smoking related COPD.

Patients sedated under mechanical ventilation with acute hypoxemic respiratory failure with a PaO2/FiO2 equal or less than 200mmHg (Acute Respiratory Distress Syndrome, ARDS and non-ARDS) will be included in the study early in the course of the disease (first week of mechanical ventilation). At enrollment, data on the clinical condition of the patient will be recorded together with ventilation settings: ventilation mode, the fraction of inspired oxygen (FiO2), PEEP, tidal volume, set pressure, respiratory rate, time of the respiratory cycle, recent blood gas parameters. Airway pressure, flow, and esophageal pressure (or alternatively electrical activity of the diaphragm, Eadi) will be recorded 3 times a day for 7 days: Period 1 (morning): duration 20-30 minutes Period 2 (afternoon): duration 20-30 minutes Period 3 (evening / night): duration 20-30 minutes Registration will be ended at extubation, death or at eight days from the first recording. Monitoring of vital parameters (hemodynamic and respiratory) will be continuous throughout the duration of the study, as per normal clinical practice. All drugs used during the day of the measurements will be recorded. The patient will then be followed until discharge from the ICU and after 60 days of discharge to evaluate mortality. As an ancillary study, in a subgroup of patients continuous simplified measurement of respiratory recordings together with hourly clinical data on sedation and extended simplified polysomnography recordings will be performed within the first 7 days from inclusion. The analysis of the recorded waveforms will be performed in a single center by a centralized system that will quantify dyssynchrony and its intensity, calculate pressure time product, collect clinical and physiological data and outcome, and investigate possible correlations.

The study aims at evaluating the AirGoTM system's performance, as compared to standard pulmonary function tests.

This prospective cohort study will investigate whether progression of the interstitial lung diseases is related to specific clinical endpoints and their changes over time. Longitudinal data of patients will be compared to an age-matched control group during a follow-up of at least two years.

Early-onset pneumonia after out-of-hospital cardiac arrest is frequent. An association between early-onset pneumonia and an increase in morbidity has been reported in this population. The diagnosis of early-onset pneumonia inpatients with out-of-hospital cardiac arrest may be challenging as diagnosis criteria are unspecific in this setting. On the other hand some studies have reported an association between early antibiotics and better prognosis in patients with out-of-hospital cardiac arrest suggesting that early diagnosis and treatment of pneumonia would benefit to patients. Nonetheless, adminitration of antibiotics to any patients with out-of-hospital cardiac arrest would expose to antibiotic patients without infection and woould participate to increase in antibiotic resistance. Therefore, the PP-ACR study aims to evaluate the impact of a diagnosis algorithm including blinded sampling protected brushes on early-onset pneumonia treatment and patient prognosis after out-of-hospital cardiac arrest.

The objectives of this research grant are to determine the association of hypoxia with the severity of osteoporosis in the patients with bronchiectasis and whether the mechanism of inflammation is triggered by inflammasones, which makes it more prone to osteoporosis in patients with bronchiectasis.

This study evaluates the value of impedance pneumography, used as overnight home recordings during a longitudinal design, in assessing asthma control in preschool children

Previous studies have demonstrated that the eosinophilic inflammation of nasal mucosa is associated with the uncontrolled condition of chronic rhinosinusitis after surgery. However, the definition of the eosinophilic chronic rhinosinusitis is not very clear. Japanese researchers have designed a scoring system to diagnose eosinophilic chronic rhinosinusitis. In this study, the investigators hope to examine the practicability of this scoring system and have a better knowledge of eosinophilic chronic rhinosinusitis in china.The retrospective study was conducted in a tertiary hospital. Participants received functional endoscopic sinus surgery more than 1 years were called back for evaluation. A diagnosis cut off value of eosinophil count was determined by the surgery prognosis. Then different factors were compared between participants with eosinophilic CRS and those with non-eosinophilic CRS to establish the appropriated diagnosis approach for eosinophilic CRS.

Whole blood sample procurement study from pregnant women with signs and symptoms of Preeclampsia.

By mean of registry of newly diagnosed Chinese IPF patients from more than 15 sites, this study aims to build IPF prospective cohort, set up normative clinical database and a biological specimen bank, and examine the clinical characteristics of newly diagnosed Chinese IPF patients, as well as the nature history, prognosis, comorbidities and complications of IPF patients in China, the current treatment pattern, burden of illness, and quality of life of Chinese IPF patients.