Overweight individuals are not just at greater risk of having sleep-disordered-breathing, they are also likely to suffer greater consequences, according to new research. According to the study , published in the American Journal of Respiratory and Critical Care Medicine, excess weight increased the severity of oxygen desaturation in the blood of individuals with SDB during and after apneas and hypopneas.
Increasingly severe sleep-related breathing disorders in older men appear to be associated with a greater risk of abnormal heart rhythms (arrhythmias), according to a report in the June 22, 2009, issue of Archives of Internal Medicine, one of the JAMA/Archives journals. In addition, different types of breathing problems appear more closely associated with different categories of arrhythmia.
Sleep-disordered breathing is a common condition, according to background information in the article. It causes a number of physiologic events that could be stressful to the cardiovascular system, including inadequate blood oxygen levels at night and activation of the sympathetic nervous system (associated with the body’s fight-or-flight response).
A recently published study that is the first to assess the effectiveness of treating sleep disorders in adults with a traumatic brain injury (TBI) shows treatment may result in the objective resolution of the sleep disorder without improvements in daytime sleepiness or neuropsychological function.
Results show that in brain-injured subjects with obstructive sleep apnea, three months of treatment with CPAP therapy dramatically reduced the severity of OSA from 31.4 to 3.8 apneas and hypopneas per hour of sleep; however, there was no demonstrable improvement in measures of daytime sleepiness.
The more than 12 million estimated Americans suffering from sleep apnea don’t have to sacrifice convenience for a good night’s sleep anymore thanks to the increasing abundance of highly efficient and portable electromechanical devices commonly used to treat the disorder.
According to a report from Kalorama Information, Contract Manufacturing Opportunities in High-Growth Medical Devices (Catheters, Pacemakers, LVADs, Hip and Knee Implants, Air Pathways, Syringes), xPAP devices have become the standard and most effective treatment available.
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.
