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221 active trials for Cystic Fibrosis

Use of Capnography for the Follow-up of Cystic Fibrosis Children

The respiratory system involvement in cystic fibrosis(CF) influences the prognosis and course of disease. Respiratory assessment is based on spirometry, but its main parameter, the maximal expiratory volume in the first second (FEV1), does not reflect the initial peripheral impairment of airways. Another pulmonary function test (PFT) validated for CF children follow-up is measurement of "gas trapping", reflecting ventilation inhomogeneity and incipient airways impairment. "Gas trapping" can be obtained by lung volume measurement (functional residual capacity, FRC) by plethysmography and helium dilution technique, but these tests are inconvenient for children due to their long length (~30min). A complete PFT is routinely performed once a year. It also includes a measurement of Lung Clearance Index (LCI) reflecting ventilation inhomogeneity. Capnography is a non-invasive PFT technique, does not require subject's active cooperation, is of short duration and could replace the traditional PFT for CF children follow-up. The capnograph is integrated into the device measuring LCI and data can be retrieved and analyzed afterwards. Capnographic indices reflect ventilation inhomogeneity. The hypothesis is that capnographic indices change in the presence/absence of "gas trapping" in CF children. The main objective is to show that the capnographic index of efficacy (EFFi) is significantly different between CF children "with gas trapping" and CF children "without gas trapping". The secondary objectives are: to compare the other capnographic indices between CF children "with gas trapping" and CF children "without gas trapping": the slope of the ascending phase, ?; the slope of the alveolar plateau, ?; the angle Q between ? and ?; the positive peak of the first-order derivative, F'CO2, which reflects the ascending phase; the first negative peak of the 2nd order derivative, F "CO2, which reflects the curvature between the ascending phase and the alveolar plateau. to compare the results of the capnographic indices with the results of the FEV1 in identifying the presence / absence of "gas trapping"; to compare the results of the capnographic indices with the results of the LCI in identifying the presence / absence of "gas trapping"

Start: April 2021
Role of Toilet Bronchoscopy in RICU

Toilet bronchoscopy is a potentially therapeutic intervention to aspirate retained secretions within the endotracheal tube and airways and revert atelectasis. Aspiration of airway secretions is the most common indication to perform a therapeutic bronchoscopy in the intensive care unit (ICU) . Toilet bronchoscopy is particularly beneficial when retained secretions are visible during the procedure and when air-bronchograms are not present at the chest radiograph. It is also beneficial when there is an indication to reverse lobar atelectasis, rather than simply to remove accumulated mucus. Toilet bronchoscopy is used in lobar and complete lung collapse in mechanically ventilated patients who fail to respond to treatments such as physiotherapy or recruitment manoeuvres. The success rates (defined as radiographic improvement on chest X-ray [CXR] or an improved PaO2/PAO2 ratio) in the ICU patient population had. Patients with acute hypoxaemic respiratory failure may already be on non-invasive ventilation (NIV), or require NIV preemptively for Fiberoptic Bronchoscopy (FB). These patients should be considered high risk for requiring intubation post-procedure; therefore, Fiberoptic Bronchoscopy should be performed by an experienced operator in a setting allowing facilities to safely secure the airways. NIV with early therapeutic FB rather than mechanical ventilation can help avoid intubation and reduce tracheostomy rate. Hospital mortality, duration of ventilation, and hospital stay remain similar

Start: July 2021