Severity of sleep apnea as a prognostic factor for mortality in patients with multiple system atrophy

We determined whether the severity of sleep apnea increases the risk of mortality in patients with multiple system atrophy (MSA) with and without stridor.MethodsThis retrospective study included patients who underwent polysomnography within one year after diagnosis of probable MSA. Stridor, sleep apnea, and arousal from sleep were determined using full-night polysomnography. Disease severity was measured using the Unified MSA Rating Scale (UMSARS). Survival data were collected and analyzed using Cox regression analysis.
Source: Parkinsonism and Related Disorders - Category: Neurology Authors: Source Type: research