Abstract

A Study on the Effect of CPAP Treatment on Sleep Fragmentation: A Study on Eastern India Population

Aims and objectives: In this study, we aimed to show that sleep stage percentage alteration is an indication of the severity of the disease and impairment of the sleep stage percentage can be restored by CPAP treatment. Sleep disordered breathing constitute a broad spectrum of disorders which is characterized by repeated episodes of partial or complete collapse of pharynx for 10 seconds or more during sleep leading to sleep fragmentation and oxyhemoglobin desaturation. The different conditions included under its domain in the increasing order of severity are habitual snoring, upper airway resistance syndrome, obstructive sleep apnoea and hypopnoea syndrome and obesity hypoventilation syndrome. 5% of adult men and 3.6% of adult women i.e. more than 60 million Indians are estimated to have some degree of obstructive sleep apnoea. Of these six million are estimated to have cases severe enough to warrant immediate therapeutic intervention. While obstructive sleep apnoea is commonly associated with obesity and male gender, it affects broad cross section of the population.

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