“…We report the severity of sleep apnea from 60 to 12,000
feet high in a man with severe OSA (Apnea Hypopnea Index at diagnosis = 60
events/hour) during the 2017 Dakar rally over the Andes mountains. The man was
equipped with a lightweight portable auto-CPAP device with a narrow window [6-8
cmH2O]. …”