Active clinical trials for "Hypoxia"

During a multi-week expedition to the Himalaya, we aim to investigate i) whether dietary supplementation with carbohydrate drinks and gels can improve physical performance; and ii) the underlying mechanisms for any observed changes in performance. We hypothesise that i) carbohydrate supplementation will improve physical performance; and ii) the underlying mechanism of this improvement in performance will include maintenance of body glycogen (sugar) stores, prevention of dehydration and decrease in the incidence of acute mountain sickness.

Hypoxia is the most common adverse event during gastrointestinal endoscopes sedated with propofol and sufentanil, especially in obese people. In the present study, high-flow nasal cannula oxygenation will be utilized in order to reduce the incidence of hypoxia among obesity.

SpO2 (oxygen saturation) and pulse rate accuracy of pulse oximetry equipment, OxySoft Sensor/N-600x and OxySoft Sensor/N-395, continuous measure of arterial oxygen saturation during hypoxic state throughout motion and non-motion conditions under one system configuration. The purpose of this Non-Randomized, Prospective,Observational study is to conduct a hypoxia study to directly compare a prototype OxySoft pulse oximeter system to arterial oxygen saturation.

Previous studies investigating apnoea oxygenation has shown that delivering oxygen via a high flow can maintain adequate oxygen saturation levels in a patient for over 30 minutes. It has recently been demonstrated, in several studies, that High Flow Nasal Oxygen (HFNO) used during preoxygenation in patients undergoing emergency surgery is at least equally effective as preoxygenation with standard tight fitting mask. Data from these recent studies investigating arterial oxygen saturation levels during rapid sequence induction anaesthesia have not been able to detect any difference between the two methods. The mean apnea time among the patients in the previous studies have been relatively short. Patients suffering traumatic injuries could be more prone to desaturate during prolonged apnea due to being hemodynamic unstable or suffering injuries to the respiratory tract. Based on the above, the aim is now to conduct a trial where trauma patients are preoxygenated with high flow nasal oxygen before anaesthetised with rapid sequence induction (RSI) technique. The trial is set to be a before-and-after study. During approximately 6 to 9 months data will be registered from trauma patients undergoing emergency anaesthesia where preoxygenation is performed according to standard rutin, with traditional facemask. During the coming six to nine months trauma patients undergoing emergency anaesthesia will be preoxygenated with high flow nasal oxygen. Data will be registered and compared to the data collected from the patients preoxygenated with facemark. The general purpose of this project is to compare the preoxygenation technique based on HFNO with traditional preoxygenation with a tight fitting mask, with the main focus being oxygen saturation levels, during rapid sequence induction (RSI) intubation in trauma patients in need of immediate anaesthesia.

Prone positioning is a well studied and validated treatment for severe acute respiratory distress syndrome (ARDS), however there are no randomized studies on the use of prone positioning in the non-intubated patient. It is unknown if this intervention would be helpful in preventing further respiratory deterioration in terms of increasing supplemental oxygen requirements, endotracheal intubation, and ICU admission. The Awake Prone Position for Early hypoxemia in COVID-19 (APPEX-19) Study is a pragmatic adaptive randomized controlled unblinded trial. APPEX-19 randomizes non-ICU patients with COVID-19 or who are under evaluation for COVID-19 to lie in a prone position (i.e, with their stomach and chest facing down) or to usual care.

The Investigators want to examine patients infected with SARS-CoV-2 for the phenomenon "Silent Hypoxia", which is clinically significant hypoxia without corresponding degree of dyspnea. The patient population is infected individuals without any serious symptoms and is at home. The participants will be equipped with a pulse oximeter and a PEF-measurement device. Four times daily the participants will register saturation, degree of dyspnea and PEF. If the participants experience desaturation or increasing dyspnea, physiotherapy is to be performed, and if that doesn't relieve symptoms or increase oxygen saturation, the hospital should be contacted for admission. The first part of this study is a feasibility study, and if found feasible, the investigators will expand the study to more participants.

This study will examine the pharmacokinetics of the various, routinely given antibiotics, sedatives, and opioids in patients undergoing venous-venous extra-corporal oxygenation (ECMO). Little is known about the distribution and effectiveness of antibiotics in this particular patient population.

Long-term oxygen therapy (LTOT) is the reference treatment for chronic respiratory failure. This treatment is based on the principle of oxygen supplementation via a source to correct hypoxemia in patients. At present, adherence to this treatment is difficult to evaluate (reporting by patients), but the results of the literature show poor LTOT compliance. It is therefore important to accurately measure the oxygen consumption by patients and to understand the factors explaining LTOT compliance. The ultimate aim is to improve our patient management to make them more observant in order to improve the therapeutic efficacy of the treatment.

Assessment of Spry Health's Loop oximetry accuracy in profound hypoxia Assessment of Spry Health's Respiratory rate accuracy in normal conditions and profound hypoxia

The purpose of this study is to evaluate the oxygen saturation accuracy performance of Belun Ring Oximeter placed on the index fingers during non-motion conditions