At ERS 2017, a study found that patients with obesity hypoventilation syndrome and sleep apnea can safely switch to CPAP after at least 3 months of BiPAP therapy, reports Medscape.

“We were astonished,” said lead investigator María Paola Arellano-Maric, MD, from Pontifical Catholic University of Chile in Santiago. “We all felt pretty neutral on this when we started, but our results were very positive.”