The aging effect on upper airways collapse of patients with obstructive sleep apnea syndrome

Abstract

Purpose

To evaluate, using drug-induced sleep endoscopy (DISE), sites of upper airway obstruction and pattern of collapse in patients over 65 years old affected by obstructive sleep apnea. To compare sites and pattern of collapse of elderly patients with a group of patients younger than 65 years.

Methods

A group of 55 patients aged over 65 years were enrolled in this prospective study. Fifty patients under 65 years old were collected in the control group. Polysomnographic data and clinical parameters such as the daytime sleepiness, and body mass index were evaluated for both groups of patients. All patients underwent DISE examination with VOTE classification.

Results

The AHI value increased with aging whereas elderly patients presented a reduction in daytime sleepiness. Elderly patients showed a higher incidence of total collapse in the velum region compared to younger patients (90.9% vs 70%;); the older patients showed a lower degree of total oropharyngeal lateral wall collapse with respect to younger patients, (20% vs 50%). No difference in tongue base collapse emerged between the two subgroups of patients.

Conclusion

Elderly patients showed a higher incidence of total collapse in the velum and a lower incidence in the oropharyngeal lateral wall compared to younger patients.

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