Title: The Correlation of Respiratory Disturbance and Sleep Phase in Obstructive Sleep Apnea Hypopnea Syndrome
Abstract: Objective To study the correlation of respiratory disturbance and sleep phase in obstructive sleep apnea hypopnea syndrome (OSAHS).Methods The results of sleeping monitoring for 33 cases with OSAHS diagnosed by polysomnography (PSG) and 11 cases of pure obesity were analyzed to explore the changes of apnea of sleep, low oxygen and sleep structure.Results Compared with controls, OSAHS patients' apnea hypopnea index, mean awaking duration, maximal apnea time and awaking index, mean blood oxygen content and minimal blood oxygen, slow wave sleep and rapid eye movement (REM) sleep is significantly different (P0.01), but no significant difference was found in snoring index (P0.05). The times and duration of apnea of patients with moderate and sever OSAHS in REM phase were significantly different from those in NREM phase (P0.05); and the percentage of REM sleep was negatively correlated with apnea hypopnea index (r=-0.627).Conclusion The OSAHS patients' REM sleep duration decreases obviously, which is related to their conditions of disease; The sleep apnea hypopnea in REM phase is more serious than in NREM phase.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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