View clinical trials related to Respiratory Aspiration.
Filter by:The purpose of this study is evaluate the effect the inspiratory muscle training on the functional capacity of patients with pulmonary hypertension.
This study will determine if modified adaptive servoventilation (ASV) is as effective as the conventional ASV in treating periodic breathing. The study will determine if the modified ASV reacts appropriately to reduce apneas and hypopneas and provides suitable levels of positive airway pressure compared to conventional ASV.
Cyanide poisoning is commonly viewed as a rare but dramatic event, occurring in industrial or laboratory settings as the result of accidental releases of hydrogen cyanide (HCN) gas (e.g. in the case of fire) or salts in the case of suicide attempts. In fact, cyanide poisoning is considerably more common than is generally appreciated. Multiple clinical and post-mortem studies have demonstrated that HCN contributes to the toxicity of fire smoke. Cyanide acts primarily through its strong affinity for the iron-containing heme moiety, binding to numerous critical enzyme systems in the body and rendering them inactive. Of late, increasing attention has been paid to the relationship of cyanide and nitric oxide. The interactions appear to be complex, with cyanide inducing nitric oxide production by binding to N-methyl-D-aspartate (NMDA) receptors, as well as binding to nitric oxide synthase. The latter may be overcome by the presence of nitric oxide synthase inhibitors. Probably, the majority of the cyanide poisoning cases are due to smoke inhalation in closed-space fires. So far, there are no clear data available on the prevalence of cyanide poisoning in smoke inhalation. This information would be of great interest for all emergency physicians since a proven or supposed cyanide poisoning does not only requires an intensive supportive care, including the administration of supplemental oxygen and artificial ventilation, blood pressure support, and anticonvulsants, but also a rapid administration of a cyanide antidote. Therefore, it is the goal of this survey to assess the prevalence of cyanide poisoning in smoke inhalation victims. Only the data of patients with a cyanide measurement before specific antidote treatment will be included
Nitro Oxide (NO) inhalation was recognized as an effect treatment of Neonatal Persistent Pulmonary Hypertension (PPHN), while the safety of NO long term application was under investigation. Several research suggested too much NO2 was generated in the lung after long term (> 72h) use of NO inhalation, which cause bad effects on PS production. Sildenafil was proved to be effective to PPHN as NO. This medication has a similar clinical effect but need monitoring of blood pressure. The possible hypotension effect restrict the dosage of sildenafil, which limit the usage of sildenafil in severe PPHN. But we recommend sildenafil to The purpose of the study was to establish if NO continued with sildenafil has the same effect as single NO inhalation.
The study is a monocentric, controlled randomized trial. Its an interventional method study. There is a control and an interventional group. The interventional group is receiving a specific inspiratory muscle training with "Respifit" (special device for inspiratory muscle training) during the first 30 days after allogenic stem cell transplantation. The investigators want to show that the training group gets stronger inspiratory muscles. The investigators measure the change of PIMAX values and MVV values.
Many studies suggest that inspiratory muscles training by means of normocapnic hyperpnea improves exercise tolerance in healthy subjects. No information is available about the use of this training in COPD patients even if other methods (such as threshold loading and resistive loading) have been shown to be effective in terms of Inspiratory Muscle Function, Health-Related Quality of Life and Exercise Tolerance. This study is designed to evaluate the effects of normocapnic hyperventilation by means of Spirotiger®, an instrument training the respiratory muscles, avoiding hypocapnia (using the methodology of isocapnic hyperpnoea)in COPD patients.
The purpose of the study is to investigate the prevalence, clinical predictors and consequences (effect on survival, chronic rejection) of sleep disordered breathing in lung transplant recipients.
We aim to test our method for measuring chemosensitivity (the ventilatory response to a change in carbon dioxide), which uses sinusoidal carbon dioxide stimuli. Hypotheses: - Carbon dioxide sensitivity is dependent on the cycle time over which we administer the gas (frequency). - Chemoreflex gain decreases as deadspace increases.
To evaluate whether cardiac output manipulation via a cardiac pacemaker can stabilise ventilation.
Only few prospective studies systematically investigated the prevalence of sleep disordered breathing in patients with stable chronic heart failure. Furthermore there is no report on the incidence rate of sleep disordered breathing in this population. This is a prospective multi-centre study of sleep-disordered breathing in 200 patients with stable moderate-to-severe chronic heart failure. Eligible patients will undergo overnight full-night polysomnography, lung function testing, laboratory measurements, and hemodynamic recordings. Measurements will be repeated at 6 months interval for a follow-up period of two years irrespective of the presence or absence of sleep disordered breathing. The primary outcome variable for this study is the prevalence of sleep disordered breathing in the study population. Secondary outcome variables include the 2-year incidence rate of sleep disordered breathing, quality of life measurements, exercise capacity, sleep quality, hemodynamic measurements, and laboratory markers of neurohumoral activation, systemic inflammation, and endothelial function in the study population.