Single night studies in obstructive sleep apnea.

  title={Single night studies in obstructive sleep apnea.},
  author={Conrad Iber and Catherine O'brien and J M Schluter and Simon R. Davies and J L Leatherman and Mark Mahowald},
  volume={14 5},
The role of single night studies and the determinants of effective nasal continuous positive airway (CPAP) pressures were determined in 412 consecutive patients between 1984 and 1989. Patients chosen for analysis had an apnea index (AI) of greater than or equal to 20 hr-1 prior to CPAP. The AI was 67 +/- 30 hr-1, the body mass index (BMI) was 36 +/- 9 kg/m2, the age was 51 +/- 13 yr and the lowest oxygen saturation was 72 +/- 14%. Effective CPAP (9 +/- 3 cm H2O) was documented in 320 patients… CONTINUE READING

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