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Editorials |

Polysomnography in the Diagnosis of the Obstructive Sleep Apnea-Hypopnea Syndrome : Where Do We Draw the Line?

Michael Littner, MD, FCCP
Author and Funding Information

Affiliations: Sepulveda, CA 
 ,  Dr. Littner is Chief, Pulmonary/Critical Care Medicine, Sepulveda VAMC.

Correspondence to: Michael Littner, MD, FCCP, Chief, Pulmonary/Critical Care Medicine, Sepulveda VAMC 111-P, 16111 Plummer St, Sepulveda, CA 91343-2036; e-mail: mlittner@ucla.edu



Chest. 2000;118(2):286-288. doi:10.1378/chest.118.2.286
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In this issue of CHEST (see page 353), Le Bon et al report the largest series to date of consecutive polysomnograms (PSGs) in patients suspected of having the obstructive sleep apnea-hypopnea syndrome (OSAHS). The authors conclude that a single negative PSG does not exclude a diagnosis of OSAHS. The evidence provided plus a review of the literature strongly supports this conclusion for any apnea-hypopnea index (AHI) that is considered to be clinically relevant below an AHI of 20.

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