The coexistence of obesity, obstructive sleep apnoea and type 2 diabetes – three highly prevalent conditions – is a significant risk factor for increased morbidity and mortality. The adverse health and social consequences of this vicious triangle warrant increased clinical awareness and therapeutic attention to raise the standard of practice, and improve clinical outcomes and patient safety. Using a multidisciplinary approach, the present article aims to provide up-to-date discussion on the prevalence and impact of obstructive sleep apnoea in people with coexistent type 2 diabetes and obesity, describe the clinical aspects of management and treatment, and make recommendations to assist healthcare professionals with the management of obese people with type 2 diabetes and obstructive sleep apnoea. In summary, the diagnosis of obstructive sleep apnoea needs to be considered in all obese people with type 2 diabetes. All patients with obesity, obstructive sleep apnoea and type 2 diabetes should have ongoing, long-term management for their chronic disorders. Guidelines have been developed to tailor therapies to patients according to the severity of the disorders, comorbid diseases and patient preference. Successful implementation of these guidelines requires close liaison between primary care and specialist services.
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