-- Robert Preidt
MONDAY, Jan. 31 (HealthDay News) -- Daytime sleepiness, a common
complaint of people with obstructive sleep apnea, improves greatly
after surgery for the disorder, according to a new study.
Sleep apnea occurs when the airway becomes partially or
completely blocked in short spurts, causing pauses in breathing
that usually last a few seconds but can occur 30 times or more an
hour, disrupting sleep. The most common treatment for adults is
continuous positive airway pressure, or CPAP, which uses a machine
to increase air pressure in the throat to keep the airway open. But
surgery to open the airway is another option.
The study, by researchers at Henry Ford Hospital in Detroit,
involved 40 people who had one of the three types of surgery used
to treat obstructive sleep apnea: uvulopalatopharyngoplasty
(removal of excess tissue in the throat), tonsillectomy or
radiofrequency ablation of the base of the tongue.
Before their surgery, all of the study participants reported
being very sleepy during the day. After surgery, however, ratings
on standardized scales revealed that daytime sleepiness was greatly
reduced in 38 of them. In addition, the participants experienced,
on average, a 50 percent reduction in nighttime sleep
interruptions, the study reported.
"This study validates what patients have told us regarding their improved alertness after surgery," Dr. Kathleen L. Yaremchuk, a study co-author who chairs the department of otolaryngology-head and neck surgery, said in a hospital news release.
The findings were presented at a recent Triological Society
meeting in Arizona. Experts note that research presented at
meetings is not subjected to the same scrutiny given research
published in medical journals.
The U.S. National Heart, Lung, and Blood Institute has more
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