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

The primary objective of this web-based, cross-sectional study is to assess and compare the ability to sleep, work or go to school, and to participate in leisure activities among subjects who are receiving Xolair treatment and subjects who were eligible to receive Xolair, but instead have been using Advair for at least 1 year.

This study will examine, for the first time, the independent contribution of a patient's own genetic makeup to the development of post-radiation complications, permitting the future development of predictive tests to avoid radiation injury. To do this, the investigators will examine gene markers in a series of breast, prostate, brain and lung cancer survivors who have received conformal radiotherapy between 1996 and 2003 at the Cross Cancer Institute and Tom Baker Cancer Centre.

The proposed study intends to evaluate the impact of the NT-proBNP assay on the diagnosis of heart failure in patients with dyspnea of unknown etiology presenting to the emergency room and admitted to the medical wards.

Although some important progresses were made in the field of the meridian research, no breakthroughs have been achieved. Besides,there are some problems in meridian researches. Particularly, previous research of meridian phenomenon involved lots of subjective elements and outcomes.Researches that use modern scientific techniques to investigate the biological characteristics of meridian phenomenon are urgently needed. Therefore, this study is designed to assess the microcirculatory characteristics of meridian phenomenon for the Heart and Lung meridians by using laser doppler. Thus, the biological characteristics of meridian phenomenon could be presented objectively in a scientific methodology

Ventilator-induced lung injury is a common complication. The latest and most noticeable theory of its pathogenesis is called 'ergotrauma' by Gattinoni in 2016. The theory uses ventilator-imposed 'energy' or 'power' to encompass several known forms of injury-inducing factors such as pressure,volume, flow, rate, etc. However, to quantify power imposed by ventilator is no easy task in clinical practice. So, Gattinoni proposed a mathematical formula for easy power calculation. However, Gattinoni did not compare the difference between various etiologies of acute lung injury. We will enroll 100 patients (50 with acute respiratory distress syndrome and 50 with normal lung). The ventilator-imposed power at various tidal volume (6, 8, 10 ml/Kg) and positive end-expiratory pressure (5, 10 cmH2O) will be calculated by the formula. The area enclosed by hysteresis of pressure-volume curve, and hence the work it implies, will be measured as a standard. Our study will aim to compare the formula in different patient groups and in Taiwanese people.

Singers are over-represented in phoniatric consultation; they present increased risk of developing voice disorders. They represent a specific population among phoniatric patients (specific singing-voice complaints, increased sensitivity to voice). Singing-voice disorder is called dysodia in the same way as dysphonia, which refers to speaking-voice disorders. The diagnosis of dysodia is made after a laryngeal examination and a voice assessment to identify patient's speech and singing difficulties. Most studies on prevalence of voice disorders in singers come from the American continent. Very few descriptions of this population have been made in France. Voice assessment of dysodic singers includes aerodynamic voice measurements. The use of aerodynamic measurements for the diagnosis of voice pathologies is now widely demonstrated. These parameters include measurements of estimated subglottal pressure (ESGP), phonation threshold pressure (PTP) (minimum pressure to initiate a sound) and oral airflow (OAF). They depend on the level of training of singers and the type of vocal dysfunction. Aerodynamic behaviours of dysodic singers have not yet been described, although they can help to better identify the singer's vocal difficulties and could be essential parameters for targeting more precisely rehabilitation exercises proposed in voice therapy. This study aims to describe the characteristics of a French population of singers consulting in phoniatrics and their aerodynamic behaviours. Do the singers' aerodynamic parameters (pressure, flow) reflect the dysfunctions in singing voice? Based on results of the literature on speaking and singing non-pathological voice, the investigators hypothesize that during voice assessment, ESGP values will be increased and OAF ones will be decreased over the entire vocal range of the singer in case of voice pathology.

Sleep-disordered breathing has a prevalence of 30~80% in patients with heart diseases. Various studies have revealed a correlation between the incidence and various diseases such as heart failure, hypertension, diabetes, and cerebral infarction. Postoperative acute kidney injury after heart surgery is one of the major complications with incidence with 40~50%, however, there has been no preventive method or treatment yet. Recently, several studies have been published that have shown a correlation between sleep-disordered breathing and renal impairment. In general, sleep-disordered breathing can be regulated easily with continues positive expiratory pressure, which means that early diagnosis and treatment of sleep-disordered breathing might help to reduce the incidence of postoperative acute kidney injury and improve patients' prognosis. In this study, the investigators investigate the impact of sleep-disordered breathing (diagnosed by oxygen desaturation index ≥5) on the incidence of postoperative acute kidney injury in patients undergoing valvular heart surgery.

Thoracic ultrasonography easily detects the movement of the visceral pleura on the parietal pleura This sign is absent when pleurodesis is successful.

This study is designed to investigate the acuity of olfactory dysfunction in COVID-19 positive patients in the United Kingdom. In particular defining severity with objective testing and determining if this has any predictive value on the outcome of the SARS CoV-2 infection. In addition, this study will strive to determine duration / natural history of olfactory dysfunction in these patients in respect to a positive SARS CoV-2 diagnosis. It should also demonstrate the impact of olfactory dysfunction on patient Quality of Life (QOL).

Hospital staff, on the front line in the COVID-19 crisis, have many questions about the risk that they have been infected with this potentially fatal virus. These questions of course primarily concern caregivers working in sectors dedicated to COVID-19 patients, whether they are resuscitating or not, but also those in non-COVID-19 sectors, or even staff without direct contact with patients. In addition, depending on the suddenness and intensity of this "COVID-19 wave", these personnel have been more or less trained and sometimes exposed due to the dire lack of protective equipment. In some countries such as Great Britain, this has resulted in significant absenteeism, a source of deepening the shortage of caregivers. This proportion of contaminated caregivers has not been evaluated on the whole of French territory. Studies from other countries suggest figures ranging from 1.5% in China to 20% in Italy. It is therefore impossible to rely on such variable data to have a reliable estimate. Since june 2020, all staff in French health establishments could benefit a serological test. Thus, in this epidemiological study, we propose to rely on this institutional serological screening to describe the link between seroconversion of hospital staff, regional intensity of the epidemic, and sectors of activity (COVID-19 sectors, non-COVID-19 caregivers , non-COVID-19 non-caregivers.