Abstract
The last 20 years have seen remarkable gains in our understanding of the pathophysiology of sleep-disordered breathing. The rapid growth in both scientific and clinical knowledge has been fueled by the development of nonsurgical therapies for obstructive sleep apnea (OSA). These medical therapies have provided the avenue for public acceptance of the diagnosis and treatment of this common medical condition. However, medical therapy requires active patient participation, to achieve the desired outcomes of improved sleep continuity, daytime functioning, and quality of life. Conservative therapies, such as weight loss and patient positioning; and pharmacological therapies, have been disappointing. Positive pressure therapy has become the treatment of choice for the vast majority of OSA patients. Oral appliances offer an acceptable treatment alternative for select patients. Present research indicates that these mechanical approaches can produce significant decreases in the frequency and severity of sleep-disordered breathing and nocturnal oxyhemoglobin desaturation. Preliminary data from ongoing studies suggest that these interventions will reduce long-term morbidity and possibly mortality. Copyright © 1999 by W.B. Saunders CompanyProgress in Cardiovascular Diseases, Vol. 41, No. 5 (March/April), 1999: pp 377-386
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