According to research, the ratio between tongue volume and bony enclosure size in patients with obstructive sleep apnea (OSA) may help dentists calculate oral appliance treatment success. Although mandibular advancement splints (MAS) have been shown to be a safe and effective treatment for OSA, predicting efficacy in individual patients is problematic. Tweet
Dramatic weight loss may be an effective way to improve moderate to severe sleep apnea in obese men, scientists at the Swedish medical university, Karolinska Institute, report. Those with severe sleep apnea when the study began benefited most from weight loss.
“Our findings suggest that weight loss may be an effective treatment strategy for sleep apnea in obese men,” says Kari Johansson, one of the researchers involved in the study.
Patients who suffer from both allergic rhinitis and obstructive sleep apnea may experience escalated symptoms of stress and fatigue.
In a paper presented at the 2009 American Academy of Otolaryngology — Head and Neck Surgery Foundation annual meeting, researchers told of results from 34 people who were diagnosed with obstructive sleep apnea.
Stroke victims who have obstructive sleep apnea die sooner than stroke victims who do not have sleep apnea or who have central sleep apnea, according to Swedish researchers, who will present their findings at the American Thoracic Society’s 2008 International Conference in Toronto on Monday, May 19.
The researchers followed 132 stroke patients over 10 years. Twenty-three of those patients had obstructive sleep apnea; 28 of those patients had central sleep apnea. Those with an obstructive apnea-hypopnea index of 15 or greater were 76 percent more likely to die earlier. Those with a lower apnea-hypopnea index of 10 were also at greater risk of early death.
Research findings presented at Sleep 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies, a link exists between the severity of obstructive sleep apnea (OSA) and weight gain.
Results indicate that people with an apnea-hypopnea index (AHI), the average of the combined episodes of apnea and hypopnea that occur per hour of sleep, of over 15 had an increase in body mass index (BMI) of 0.52 kg/m2 compared to those with an AHI between five and 15, who saw an increase of 0.22 kg/m2.
Carbon monoxide (CO) levels in a patient’s blood may determine the severity of a patient’s obstructive sleep apnea (OSA), according to a study published in the November 2008 issue of Chest.
Masayoshi Kobayashi, M.D., of the Yokohama City University Graduate School of Medicine in Yokohama, Japan, and colleagues determined CO levels in 35 patients with OSA and 17 healthy controls matched for age, both before and after polysomnography.
A study published in the August 15, 2008 issue of the Journal of Clinical Sleep Medicine shows that surgical weight loss results in an improvement of obstructive sleep apnea (OSA), but most patients continue to have moderate to severe OSA one year after undergoing bariatric surgery. Results of this study suggest that it is the severity of the condition, rather than a patient’s pre-surgical weight, that determines if obstructive sleep apnea will be resolved.
Results show that bariatric surgery reduced body mass index (BMI) from an average of 51 to 32 in 24 adults with obstructive sleep apnea.
In the first study to use continuous measurements of blood pressure during overnight sleep, a research abstract presented at Sleep 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS) finds that all severities of sleep-related breathing disorders (SRBD) in children are associated with elevated blood pressure during sleep compared with non-snoring control children.
The study, authored by Rosemary Horne, PhD, of Monash University in Melbourne, Australia, focused on 88 children between seven and 13 years of age, including 68 referred for the assessment of SRBD and 20 non-snoring controls.
Stroke victims who have obstructive sleep apnea die sooner than stroke victims who do not have sleep apnea or who have central sleep apnea, according to Swedish researchers.
The researchers followed 132 stroke patients over 10 years. Twenty-three of those patients had obstructive sleep apnea; 28 of those patients had central sleep apnea.
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As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the U.S. population
was 306,340,710. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 21,443,850 apneics in the U.S.
~~ Apnea around the world ~~
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the world population
was 6,777,286,604. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 474,410,062 apneics in the world.
