British journal of anaesthesia
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There are few data describing the performance of the Whisperflow continuous positive airway pressure (CPAP) generator. ⋯ The Whisperflow may not perform as expected. Clinicians should be cautious when using this device, particularly with high Fi(O2) and CPAP valve load. The flow setting should be set at maximum. Failure of CPAP therapy may be due to failure of the generator. Further in vivo data are required.