Why don't all heavy snorers have obstructive sleep apnea?

  title={Why don't all heavy snorers have obstructive sleep apnea?},
  author={O J Polo and Mehdi Tafti and Jos{\'e} Carlos Soares Fraga and Kimmo V.K. Porkka and Y D{\'e}jean and Michel M. Billiard},
  journal={The American review of respiratory disease},
  volume={143 6},
Patients with obstructive sleep apnea (OSA) and heavy snorers without apnea both show intrathoracic suction pressures during sleep that exceed their static upper airway closing pressures. Complete airway occlusion, however, occurs only in the former patient group. We hypothesized that the kinetic properties of the airflow would be different in these two types of patients because of differences in upper airway morphology. The pharyngeal computed tomography (CT) was used to measure the cross… CONTINUE READING
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