Quantitative Effects of Trunk and Head Position on the Apnea Hypopnea Index in Obstructive Sleep Apnea

To test the hypothesis that head position, separately from trunk position, is an additionally important factor for the occurrence of apnea in obstructive sleep apnea (OSA) patients.Prospective cohort study.St. Lucas Andreas Hospital, Amsterdam, the Netherlands.Three hundred patients referred to our department because of clinically suspected OSA.N/A.Patients underwent overnight polysomnography with 2 position sensors: one on the trunk, and one in...