View clinical trials related to Pulmonary Valve Insufficiency.
Filter by:Neurally Adjusted Ventilatory Assist (NAVA) is a new mode of mechanical ventilation that is controlled by the electrical activity of the diaphragm (EAdi). The EAdi is a signal that represents the patient's breathing effort, and hence with NAVA, the assist being delivered is synchronized and proportional to the demands of the patient. This is a prospective physiological study of the feasibility of NAVA ventilation over 24 hours. The aim is to demonstrate that NAVA can maintain spontaneous breathing and unload the respiratory muscles during both sleep and wake cycles over a 24 hour period.
Several clinical findings and clinical trials have suggested that the prognosis of intensive care unit (ICU) patients may be improved by minimizing the positive fluid balance. In particular, a global vascular overload could lead to weaning failure. The purpose of this international, multicenter, controlled, randomized trial is to test if the incorporation of a B-type natriuretic peptide (BNP) assay in a mechanical ventilation weaning protocol helps optimize the weaning process and reduce the duration of the ventilatory weaning period.
The purpose of the study is to evaluate variation of BNP in non invasive mechanical ventilated patients with severe acute respiratory failure.
The machines and oxygen used to help very premature babies breathe can have side-effects, such as bronchopulmonary dysplasia (BPD). Infants with BPD get more complications (a higher death rate, a longer time in intensive care and on assisted ventilation, more hospital readmissions in the first year of life, and more learning problems) than infants who do not develop BPD. Doctors try to remove the tube in the wind-pipe that links the baby to the breathing machine as soon as possible. However, small babies get tired, and still require help to breathe. One of the standard and common techniques to help them breathe without a tube in the wind-pipe is to use simple pressure support, nasal continuous positive airway pressure or nCPAP. This supports breathing a little, but it is often not enough to prevent the need to go back on the breathing machine. Nasal intermittent positive pressure ventilation (NIPPV) is similar to nCPAP, but also gives some breaths, or extra support, to babies through a small tube in the nose. NIPPV is safe and effective, and already in use as an alternate "standard" therapy. The main research question: After being weaned from the breathing machine, is NIPPV better than nCPAP in preventing BPD in premature babies weighing 999 grams or less at birth?
The study will compare outcomes between individuals with sub-acute, ventilator-dependent tetraplegia using high (20 cc/kg) vs. low (10 cc/kg) tidal volumes during mechanical ventilator support.
The purpose of this study is to evaluate the effectiveness of continuous positive airway pressure ventilation when applied by paramedics to individuals with severe breathing difficulties in the prehospital setting.
Hypothesis: A protocolized algorithm for sedation in critically ill patients on mechanical ventilation can decrease ventilator days, costs and improve outcome. This is a multicenter observational-interventional study on critically ill patients who require mechanical ventilation for more than 48 hours, involving 13 ICU in Chile. There are two periods (groups): a descriptive phase of sedation practices, and an interventional period in which an analgesia-based, goal-directed, nurse-driven sedation is applied. Main outcome: ventilator-free days between both periods.
An important part of how we decide when a patient is ready to have their breathing tube removed is to have a person breathe without any machine breaths while the breathing tube is still in place. We call this a spontaneous breathing trial. Commonly, while patients have the breathing tube, they are given medications to keep them sedated and comfortable so breathing does not bother them. These medicines are often stopped before the spontaneous breathing trial so they can be more awake for the test. There are signs the doctors look for during the spontaneous breathing trial that suggest the patient might not be ready for the breathing trial to come out. Signs like fast breathing, small breaths, a fast heart rate, or looking more anxious than usual may mean that the patient is not ready to come off the ventilator. However, if someone has been given sedation medicines the entire time they have had a breathing tube and are then woken up, they may naturally get very anxious. They may show the same signs as someone who is failing their breathing test, but in their case these signs are only because they are anxious.Doctors may mistake these signs as failing the breathing test and may not pull the breathing tube out even though the patient is really ready for it to come out. We wish to try and find out if patients do better during their spontaneous breathing trials if they are continued on some sedative medicines to treat anxiety or if they do better if the medicines are stopped before the test.
The purpose of this study is to determine whether immunonutrition and pre operative nutrition can reduce lenght of respirator support, lenght of stay in the ICU and incidence of post operative infections
Non-invasive ventilation has become increasingly important in the management of patients with acute respiratory failure. One of its major goals is to prevent the need for invasive ventilation, which is associated with numerous complications. This study compares the usefulness and safety of two noninvasive techniques which are used in Medical practice: Noninvasive positive pressure ventilation using a face mask and extrathoracic biphasic ventilation using a cuirass. Each of these techniques has advantages and disadvantages and both may not suit all patients. It is therefore important to compare the two in terms of effectiveness in preventing invasive ventilation and their side effects profile, so that we can improve our understanding and expertise in the treatment of patients in respiratory failure.