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What is the impact of obesity on sleep apnea?

• Obstructive sleep apnea-hypopnea syndrome (OSAHS) is characterized by successive episodes of cessation or decrease in respiratory airflow.
• Obesity is an important risk factor for this condition.
• The prevalence of the disease in morbidly obese patients is approximately 70%.
• Treatment is based on the use of continuous positive airway pressure (CPAP) and weight loss in obese patients.
• Weight loss by dieting often produces unsatisfactory results.
• The use of CPAP does not show good adherence because of being long-term and uncomfortable.
• Bariatric surgery has emerged as the treatment for morbid obesity and various associated co-morbidities.
• Sleep apnea is due to recurrent episodes of upper airway obstruction during sleep that is caused by elevations in upper airway collapsibility during sleep.
• Collapsibility can be increased by underlying anatomic alterations.
• It can be increased also due to disturbances in upper airway neuromuscular control.
• Both of these play key roles in the pathogenesis of obstructive sleep apnea.
• Obesity and particularly central adiposity are potent risk factors for sleep apnea.
• They can increase pharyngeal collapsibility through mechanical effects on pharyngeal soft tissues and lung volume and through central nervous system–acting signaling proteins (adipokines) which may affect airway neuromuscular control.
• Specific molecular signaling pathways encode differences in the distribution and metabolic activity of adipose tissue.
• These differences can produce alterations in the mechanical and neural control of upper airway collapsibility.
• These determine sleep apnea susceptibility.

Causes and Effect

• If you find it difficult to get a good night’s rest it’s possible that you suffer from sleep apnea obesity.
• Everybody needs a good night’s rest to function properly and be active.
• This is a condition when apnea lasts for more than 10 seconds while sleeping.
• During episodes of apnea the oxygen levels drop to unsafe levels.
• This is the cause for irregular heart beats.
• People who suffer from this disorder have a higher risk of heart attacks or strokes.
• Central SA is when the part of the brain that controls respiration causes the muscles that are used in breathing not to respond.
• This changes the oxygen levels in the blood stream.
• When the oxygen levels get too low you are awakened by an automatic breathing reflex.
• Obstructive SA mostly occurs by airway passages being blocked by fatty tissue in the neck.
• The airway passages can also be obstructed by the tongue, tonsils, and uvula.
• SA is most common in obesity.
• Some individuals who have large necks can also become victims of this sleep disorder.
• Being deprived of sleep causes some risks.
• They can be such as sleeping while driving, sleeping at work, or any other obscure time.
• They also have a tendency to experience headaches, memory lapses, lack of energy, or shortness of breath.
• It’s a well known fact that when people don’t get enough sleep they are less active.
• Being less active, of course, means less exercise.
• Sleep apnea and obesity are commonly connected the question is which one causes the other.
• There may be another explanation and it has to do with two hormones.
• Leptin which suppresses appetite and increases energy.
• Grehlin which increases food intake.
• Sleep apnea lowers the leptin and raises the grehlin.
• The best solution for sleep apnea obesity is to get on a strict diet and lose the pounds.
• A ten percent reduction in weight reduces the severity of SA by fifty percent.
• Exercise needs to be part of the program.
• With improved nutrition and exercise you will finally get a good nights sleep.

Health At Every Size The Obesity Reality Obesity

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