Sleep Clinical Trial
Official title:
The Influence of Elevation of the Head of the Bed in Patients With Obstructive Sleep Apnea
The purpose of this study is to determine if the elevation of the head of the bed in patients with obstructive sleep apnea can decrease the apnea-hypopnea index. First the investigators will do a standard polysomnography and see if the patients are included analysing the criteria like apnea-hypopnea index equal or more than 5. Within 2 weeks the patient will do the second polysomnography but this will be with a elevation of the head of the bed (15 cm of elevation of the bed doing a inclination). Then the investigators will compare the data of apnea-hypopnea index in the standard polysomnography versus the index with the elevation of the head of the bed.
There are many researches that demonstrate that the position of the patient modified the
apnea-hypopnea index(IAH). In supine position the IAH will increase comparing with lateral
position during th sleep. However few studies were done with the elevation of the head of
the bed.
First the investigators will do a standard polysomnography and see if the patients are
included analysing the criteria like apnea-hypopnea index equal or more than 5. Within 2
weeks the patient will do the second polysomnography but this will be with a elevation of
the head of the bed (15 cm of elevation of the bed doing a inclination). Then the
investigators will compare the data of apnea-hypopnea index in the standard polysomnography
versus the index with the elevation of the head of the bed.The main outcome will be to
analyze the apnea hypopnea index comparing standard polysomnography (sPSG) with elevated
polysomnography (ePSG).
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Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
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