Improvement in Obstructive Sleep Apnea in the Supine “Knees-Up” Position

  title={Improvement in Obstructive Sleep Apnea in the Supine “Knees-Up” Position},
  author={Donald L. Bliwise and Dainis Irbe and M.P.H. David A. Schulman},
  journal={Sleep and Breathing},
We report a 38-year-old man with obstructive sleep apnea whose sleep-disordered breathing was substantially reduced by sleep in the supine, “knees-up” position, relative to his sleep in the customary supine, “knees-down” position. No obvious anatomic or pathophysiologic alterations explained this phenomenon. The effect was reproducible in the patient 4 years later. Potential mechanisms underlying such improvement, including alterations in upper airway/lung volume dependence and venous supply to… CONTINUE READING

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