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Editorials |

Nasal Dilation, Sleep, and What Is Hypopnea?

William A. Broughton, MD, FCCP
Author and Funding Information

Affiliations: Mobile, AL 
 ,  Dr. Broughton is associated with the USA Knollwood Park Sleep Disorders Center.

Correspondence to: William A. Broughton, MD, FCCP, USA Knollwood Park Sleep Disorders Center, 5644 Girby Rd, Mobile, AL 36693-3398; e-mail: jetbrou@attglobal.net



Chest. 2000;118(3):571-572. doi:10.1378/chest.118.3.571
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The role of nasal resistance in the occurrence of snoring and obstructive sleep apnea hypopnea syndrome (OSAHS) has been a matter of speculation for years. In 1988, it was reported in a study of 16 patients that the use of a plastic internal nasal dilator (Nozovent; Prevancure; Frölunda, Sweden) improved airflow by approximately 25%.1 It was speculated that such a device could decrease the volume of snoring and the degree of OSAHS severity.

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