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NCT07406620
This observational study is being undertaken as a part of a Master of Research (MRes) in Clinical Research programme. Its goal is to learn about how continuous positive airway pressure (CPAP) therapy changes the complexity of body signals in adults with obstructive sleep apnoea (OSA). The main question it aims to answer is: \- How does the complexity of physiological signals (specifically oxygen saturation, heart rate variability, and airflow) change in adults with OSA from before to after three and six months of CPAP treatment? It will use data from individuals who took part in an earlier trial, called 3DPiPPIn, which tested the use of 3D-printed, customised masks CPAP masks through sleep studies.
NCT02012868
Studies have shown high prevalence (60-94%) of obstructive sleep apnoea (OSA) among patients undergoing bariatric surgery. Fifteen studies are published investigating the effect of bariatric surgery on OSA. All of them conclude a highly positive effect on OSA by bariatric surgery and weight loss. However these studies are biased by a huge number of drop outs. The drop out rate in the studies are around 60 percent. The Investigators state that the prevalence of OSA among patients undergoing bariatric surgery in Denmark is high. The Investigators state that the effect of bariatric surgery is significant on severity of OSA. The Investigators state that we can perform a study without a huge number of dropouts.
NCT02810158
To answer the question whether a previously detected breath profile in patients suffering from obstructive sleep apnoea (OSA) can be found in a cohort of patients with suspected OSA using mass spectrometry (validation study).