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Study finds that obstructive sleep apnea causes earlier death in stroke patients
May 19, 2008Stroke 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 apena-hypopnea index of 10 were also at greater risk of early death.
"The findings are particularly interesting because obstructive sleep apnea is a treatable condition," said Karl Franklin, M.D., who led the research team at University Hospital in Umea, Sweden.
The researchers' results were independent of age, gender, smoking, body-mass index, hypertension, diabetes, atrial fibrillation, cognitive ability and how dependent patients were on help in their daily lives.
According to Dr. Franklin, patients with central sleep apnea tended to have an increased risk of earlier death, but unlike those with obstructive sleep apnea, that risk was not independent of confounders.
Earlier research Dr. Franklin and his colleagues conducted using trans-cranial Doppler found that cerebral blood flow and arterial blood pressure increase during obstructive apneas and then rapidly decrease to low values when the apnea ends. This pattern, the researchers said, suggests cerebral ischemia occurs at the same time as oxygen saturation is low.
The findings of their latest study, Dr. Franklin noted, indicate the importance of a clinical trial for stroke patients with obstructive sleep apnea to see whether treating the sleep disorder will extend their lives.
American Thoracic Society
The researchers' results were independent of age, gender, smoking, body-mass index, hypertension, diabetes, atrial fibrillation, cognitive ability and how dependent patients were on help in their daily lives.
According to Dr. Franklin, patients with central sleep apnea tended to have an increased risk of earlier death, but unlike those with obstructive sleep apnea, that risk was not independent of confounders.
Earlier research Dr. Franklin and his colleagues conducted using trans-cranial Doppler found that cerebral blood flow and arterial blood pressure increase during obstructive apneas and then rapidly decrease to low values when the apnea ends. This pattern, the researchers said, suggests cerebral ischemia occurs at the same time as oxygen saturation is low.
The findings of their latest study, Dr. Franklin noted, indicate the importance of a clinical trial for stroke patients with obstructive sleep apnea to see whether treating the sleep disorder will extend their lives.
American Thoracic Society
Obstructive Sleep Apnea Current Events and Obstructive Sleep Apnea News RSSImproved diet and exercise alone unlikely to cure obstructive sleep apnea in obese patients
A study in the Oct. 15 issue of the Journal of Clinical Sleep Medicine found that while a strict diet and exercise program may benefit obese patients with mild to moderate obstructive sleep apnea (OSA), it is unlikely to eliminate the condition.
Minimally invasive procedure effective for treating snoring
Radiofrequency ablation, a procedure that uses heat to shrink the tissue of the soft palate, is an effective and minimally invasive procedure that can be used to treat patients who snore.
Many patients with sleep apnea also suffer from GI tract conditions
Patients who suffer from obstructive sleep apnea (OSA) also tend to have additional gastrointestinal (GI) tract conditions, such as gastric reflux and hiatal hernia, which form at the opening in your diaphragm where your food pipe (esophagus) joins your stomach.
Stress, fatigue plague patients with allergic rhinitis and obstructive sleep apnea
Patients who suffer from both allergic rhinitis and obstructive sleep apnea (OSA) may experience escalated symptoms of stress and fatigue.
Severe sleep apnea tied to increased risk of death
Moderate to severe obstructive sleep apnea is associated with an increased risk of death from any cause in middle-aged adults, especially men, according to new results from a landmark study supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health (NIH).
Obstructive sleep apnea is prevalent in adults with Down syndrome
A study in the Aug. 15 issue of the Journal of Clinical Sleep Medicine shows that adults with Down syndrome also frequently suffer from obstructive sleep apnea (OSA).
Study finds increased 'sibling risk' of obstructive sleep apnea in children
A study in the Aug. 1 issue of the journal SLEEP indicates that children have an increased risk of developing obstructive sleep apnea (OSA) if they have at least one sibling who has been diagnosed with the sleep disorder.
Benefits from upper airway surgery for sleep apnea found to equal CPAP
Adults who struggle with CPAP treatment for obstructive sleep apnea (OSA) should be considered candidates for reconstructive surgery on the upper airway, because it holds the same quality-of-life (QOL) benefits but with more permanence.
Biomarker of breathing control abnormality associated with hypertension and stroke
A study in the July 1 issue of the journal SLEEP identified a distinct ECG-derived spectrographic phenotype, designated as narrow-band elevated low frequency coupling (e-LFCNB), that is associated with prevalent hypertension, stroke, greater severity of sleep disordered breathing and sleep fragmentation in patients suffering from obstructive sleep apnea (OSA).
CPAP treatment linked to lower mortality in stroke patients with OSA
Stroke patients with obstructive sleep apnea (OSA) who undergo treatment with continuous positive airway pressure (CPAP) following their stroke may substantially reduce their risk of death.
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Obstructive Sleep Apnea: Pathophysiology, Comorbidities, and Consequences (Sleep Disorders) by Clete A. Kushida (Editor) Responding to the growing recognition of Obstructive Sleep Apnea (OSA) as a major medical condition and the emergence of exciting new therapies, this source analyzes the clinical features, characteristics, comorbidities, and impact of OSA on patient biological systems and quality-of-life. Edited by the Director of the Center for Human Sleep Research at Stanford, this source supplies an all-encompassing guide to the comorbid medical conditions and socioeconomic impact of OSA. |
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Snoreben - Say Goodbye to Snoring and Hello to a Quiet Comfortable Nights Sleep by Unlimited Product Sourcing, Inc. The Snoreben is an FDA approved Class 1 Medical Device developed to stop snoring and significantly improve your quality of sleep. It is specially designed to help anyone of any age, who suffers from Obstructive Sleep Apnea, alar collapse (collapsed nostrils), deviated septum (bent nose) and damaged or narrow nostrils and other nasal disorders. The Snoreben is made from medical grade Latex Free Silicone for maximum comfort while sleeping to ensure you receive the much needed quality sleep necessary to wake refreshed and revitalized. This will allow you to carry out daily activities with a clear mind and enjoy a full, healthy and happy lifestyle. |
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BMV Quantum Subliminal CD Sleep Apnea Aid (Ultrasonic Subliminal Series) Program your subconscious mind for overcoming sleep apnea. Create amazing results using state-of-the-art subliminal and brainwave entrainment technologies. Tune your brainwaves to specific frequencies by listening to this CD! Program your subconscious mind for positive lasting results, created by a Certified Hypnotherapist and NLP Practitioner (Neuro-Linguistic Programming). Silent affirmations, inaudible hypnotic suggestions and thousands of powerful subliminal messages program your subconscious mind for positive results. The first 3 tracks have an ocean background. The Silent Ultrasonic Track 4 is completely silent with no sound at all! BMV exclusive Quantum Subliminal Matrix Technology sets a new standard for the subliminal industry! BMV has merged existing subliminal neurotechnology... |
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RESPIRONICS PREMIUM CHIN STRAP by Respironics The Respironics Premium Chinstrap features: Vertical Design that promotes a vertical angle of force on the chin (as opposed to horizontal) in order to reduce the potential of inducing sleep-related events Integrated Chin Cup that is sewn into the strap to provide a soft and comfortable support without placing unnecessary tension around the chin Adjustable Support Strap that attaches to a split section of the chin strap and wraps around the back of the head for the ultimate in stability and adjustability |
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