Mayo Clinic physicians offered updates about diagnosing and treating patients with a variety of sleep disorders, including obstructive sleep apnea and sleep behavior disorders. The following are brief summaries of select presentations.
More than 12 million people in the United States have obstructive sleep apnea, a potentially serious disorder in which breathing repeatedly stops and starts during sleep when the throat muscles relax
People with the rapid eye movement (REM) sleep disorder known as REM behavior disorder (RBD) sometimes act out their dreams by yelling or moving violently during REM sleep. A rare condition, RBD affects between 0.4 percent and 0.5 percent of the population.
Each year, physicians at Mayo Clinic's campuses in Arizona, Florida and Minnesota treat thousands of patients who have sleep disorders.
Obstructive Sleep Apnea Linked with Cardiovascular Problems
Daytime fatigue, sleepiness and sleep-deprived bed partners are several symptoms commonly observed in patients with obstructive sleep apnea. More serious, however, are the cardiovascular problems associated with this sleep disorder.
Mayo Clinic pulmonologist Kannan Ramar, M.B.B.S., M.D., describes how physiological changes that occur during obstructive sleep apnea episodes affect the cardiovascular system. Sudden drops in blood-oxygen levels increase blood pressure and strain the cardiovascular system. About half of those with sleep apnea develop high blood pressure (hypertension), which raises their risk of heart failure and stroke. Obstructive sleep apnea may be associated with strokes, coronary artery disease and metabolic problems such as diabetes. Repeated multiple episodes of low blood oxygen (hypoxia or hypoxemia) can also lead to sudden death from a cardiac problem in people with underlying heart disease. Also, there is a strong association between obstructive sleep apnea and dangerous heart rhythm changes (dysrhythmias).
"Mounting data suggests that obstructive sleep apnea contributes to cardiovascular disease, independent of obesity and other cardiovascular risk factors," explains Dr. Ramar. "Considering that obstructive sleep apnea is treatable, establishing causality with other cardiovascular disorders has far-reaching implications. Long-term studies are needed to assess the impact that treatment with continuous positive airway pressure (CPAP)and other treatment modalities has upon cardiovascular outcomes."
CPAP therapy is a preferred method of treating sleep apnea. A machine delivers air pressure through a mask placed over the nose during sleep. CPAP elevates the air pressure in the upper airway passages slightly to keep these passages open, and to prevent apnea and snoring.
More than 12 million people in the United States have obstructive sleep apnea, a potentially serious disorder in which breathing repeatedly stops and starts during sleep when the throat muscles relax
People with the rapid eye movement (REM) sleep disorder known as REM behavior disorder (RBD) sometimes act out their dreams by yelling or moving violently during REM sleep. A rare condition, RBD affects between 0.4 percent and 0.5 percent of the population.
Each year, physicians at Mayo Clinic's campuses in Arizona, Florida and Minnesota treat thousands of patients who have sleep disorders.
Obstructive Sleep Apnea Linked with Cardiovascular Problems
Daytime fatigue, sleepiness and sleep-deprived bed partners are several symptoms commonly observed in patients with obstructive sleep apnea. More serious, however, are the cardiovascular problems associated with this sleep disorder.
Mayo Clinic pulmonologist Kannan Ramar, M.B.B.S., M.D., describes how physiological changes that occur during obstructive sleep apnea episodes affect the cardiovascular system. Sudden drops in blood-oxygen levels increase blood pressure and strain the cardiovascular system. About half of those with sleep apnea develop high blood pressure (hypertension), which raises their risk of heart failure and stroke. Obstructive sleep apnea may be associated with strokes, coronary artery disease and metabolic problems such as diabetes. Repeated multiple episodes of low blood oxygen (hypoxia or hypoxemia) can also lead to sudden death from a cardiac problem in people with underlying heart disease. Also, there is a strong association between obstructive sleep apnea and dangerous heart rhythm changes (dysrhythmias).
"Mounting data suggests that obstructive sleep apnea contributes to cardiovascular disease, independent of obesity and other cardiovascular risk factors," explains Dr. Ramar. "Considering that obstructive sleep apnea is treatable, establishing causality with other cardiovascular disorders has far-reaching implications. Long-term studies are needed to assess the impact that treatment with continuous positive airway pressure (CPAP)and other treatment modalities has upon cardiovascular outcomes."
CPAP therapy is a preferred method of treating sleep apnea. A machine delivers air pressure through a mask placed over the nose during sleep. CPAP elevates the air pressure in the upper airway passages slightly to keep these passages open, and to prevent apnea and snoring.
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