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RESEARCH

Clinical Epidemiology

The current interests of the Clinical Epidemiology unit include the evaluation and optimisation of methods to diagnose sleep apnea, the systematic review of existing sleep-related research and the design of intervention studies to manage sleep disorders. As part of this program, we are investigating simple and rapid diagnostic devices that might be used in place of the laboratory sleep study for the diagnosis of OSA. We are exploring the use of simple tests in places outside the specialist sleep centre, such as at the general practice clinic or community pharmacy. We are also looking at how information about symptoms, age, weight, and the results from a simple screening device might be combined to improve diagnosis of sleep apnea. We are collaborating on with the George Institute on a number of projects, including analysing sleep and related variables from the large New Zealand Blood Donors Study and the Australian Heavy Vehicle study, focusing on the role of sleepiness and sleep disorders in truck accidents. The group is also working with the George Institute and the Adelaide Institute of Sleep Health as part of an Australian Sleep Trials Network initiative called the SAVE study in China. The SAVE project is currently examining the feasibility of a major randomised controlled trial to understand the impact of sleep apnea treatment on stroke and heart disease.