Effects of recall reverberate through sleep medicine communityMore than a year after the start of a recall now involving more than 5 million breathing devices, doctors and patients are still feeling the effects as manufacturer Philips continues to remediate machines and weathers scrutiny from federal agencies. The recall by subsidiary Philips Respironics has affected certain continuous positive airway pressure (CPAP) and bilevel positive airway pressure (BiPAP) machines and mechanical ventilators mainly due to potential health risks from polyester-based polyurethane (PE-PUR) sound abatement foam that was used in the machines. Philips said at the time of the recall that the foam...