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HEALTH & WELLNESS
Sleep Disorders

Do you snore .. Do you fall asleep a lot .. Do you find it difficult to sleep .. Do you have high blood pressure .. Do you have headache when you wake up .. Do you have difficulty concentrating during the day .. 

If you answered yes to any of these questions, then this article is for you. There are several types of sleep apnea, but the most common is obstructive sleep apnea. This type of apnea occurs when your throat muscles intermittently relax and block your airway during sleep. A noticeable sign of obstructive sleep apnea is snoring. Obstructive sleep apnea is a potentially serious sleep disorder. It causes breathing to repeatedly stop and start during sleep. Treatments for obstructive sleep apnea are available at LECC. One treatment involves using a device that keep your airway open while you sleep. Another option is a mouthpiece to thrust your jaw forward during sleep. In more severe cases, surgery may be an option too.

A noticeable sign of sleep apnea is snoring

Symptoms
Signs and symptoms of obstructive sleep apnea include:
• Excessive daytime sleepiness
• Loud snoring
• Observed episodes of breathing cessation during sleep
• Abrupt awakenings accompanied by gasping or choking
• Awakening with a dry mouth or sore throat
• Morning headache
• Difficulty concentrating during the day
• Experiencing mood changes, such as depression or irritability
• High blood pressure
• Night-time sweating
• Decreased libido

When to see a doctor
Consult us if you experience, or if your partner observes, the following:

 

• Snoring loud enough to disturb your sleep or that of others
• Waking up gasping or choking
• Intermittent pauses in your breathing during sleep
• Excessive daytime drowsiness, which may cause you to fall asleep while you’re working, watching television or even driving a vehicle
Many people may not think of snoring as a sign of something potentially serious, and not everyone who snores has obstructive sleep apnea.

 

Be sure to talk to us if you experience loud snoring, especially snoring that’s punctuated by periods of silence. With obstructive sleep apnea, snoring usually is loudest when you sleep on your back, and it quiets when you turn on your side.

 

Causes
Obstructive sleep apnea occurs when the muscles in the back of your throat relax too much to allow normal breathing. These muscles support structures including the soft palate, the uvula — a triangular piece of tissue hanging from the soft palate, the tonsils and the tongue.

 

When the muscles relax, your airway narrows or closes as you breathe in and breathing may be inadequate for 10 to 20 seconds. This may lower the level of oxygen in your blood and cause a buildup of carbon dioxide.

 

Your brain senses this impaired breathing and briefly rouses you from sleep so that you can reopen your airway. This awakening is usually so brief that you don’t remember it.

You can awaken with a transient shortness of breath that corrects itself quickly, within one or two deep breaths. You may make a snorting, choking or gasping sound.

 

This pattern can repeat itself five to 30 times or more each hour, all night long. These disruptions impair your ability to reach the desired deep, restful phases of sleep, and you’ll probably feel sleepy during your waking hours.

 

People with obstructive sleep apnea may not be aware that their sleep was interrupted. In fact, many people with this type of sleep apnea think they slept well all night.

 

Diagnosis
Polysomnography: Available at LECC. During this sleep study, you’re hooked up to equipment that monitors your heart, lung and brain activity, breathing patterns, arm and leg movements, and blood oxygen levels while you sleep. You may have a full-night study, in which you’re monitored all night, or a split-night sleep study.

 

In a split-night sleep study, you’ll be monitored during the first half of the night. If you’re diagnosed with obstructive sleep apnea, staff may wake you and give you continuous positive airway pressure for the second half of the night.
This test can help your doctor diagnose obstructive sleep apnea and adjust positive airway pressure therapy, if appropriate. This sleep study can also help rule out other sleep disorders, such as periodic limb movements of sleep or narcolepsy, which also can cause excessive daytime sleepiness, but require different treatment.

 

Risk factors
Anyone can develop obstructive sleep apnea. However, certain factors put you at increased risk, including:

 

• Excess weight. Around half the people with obstructive sleep apnea are overweight. Fat deposits around the upper airway may obstruct breathing.
However, not everyone with obstructive sleep apnea is overweight and vice versa. Thin people can develop the disorder, too.
• Narrowed airway. You may inherit naturally narrow airways. Or, your tonsils or adenoids may become enlarged, which can block your airway.
• High blood pressure (hypertension). Obstructive sleep apnea is relatively common in people with hypertension.
• Chronic nasal congestion. Obstructive sleep apnea occurs twice as often in those who have consistent nasal congestion at night, regardless of the cause. This may be due to narrowed airways.
• Smoking. People who smoke are more likely to have obstructive sleep apnea.
• Diabetes. Obstructive sleep apnea may be more common in people with diabetes.
• Sex. In general, men are twice as likely as women to have obstructive sleep apnea.

• A family history of sleep apnea. If you have family members with obstructive sleep apnea, you may be at increased risk.

• Asthma. Recent research has found an association between asthma and the risk of obstructive sleep apnea.

 

Complications
Obstructive sleep apnea is considered a serious medical condition. Complications may include:
• Daytime fatigue and sleepiness. The repeated awakenings associated with obstructive sleep apnea make normal, restorative sleep impossible. People with obstructive sleep apnea often experience severe daytime drowsiness, fatigue and irritability. They may have difficulty concentrating and find themselves falling asleep at work, while watching TV or even when driving.
Children and young people with obstructive sleep apnea may do poorly in school and commonly have attention or behavior problems.
• Cardiovascular problems. Sudden drops in blood oxygen levels that occur during obstructive sleep apnea increase blood pressure and strain the cardiovascular system. Many people with obstructive sleep apnea develop high blood pressure (hypertension), which can increase the risk of heart disease.
The more severe the obstructive sleep apnea, the greater the risk of coronary artery disease, heart attack, heart failure and stroke. Men with obstructive sleep apnea appear to be at risk of heart failure, while women with obstructive sleep apnea don’t.
Obstructive sleep apnea increases the risk of abnormal heart rhythms (arrhythmias). These abnormal rhythms can lower blood oxygen levels. If there’s underlying heart disease, these repeated multiple episodes of low blood oxygen could lead to sudden death from a cardiac event.
• Complications with medications and surgery. Obstructive sleep apnea also is a concern with certain medications and general anesthesia. These medications, such as sedatives, narcotic analgesics and general anesthetics, relax your upper airway and may worsen your obstructive sleep apnea.
If you have obstructive sleep apnea, you may experience worse breathing problems after major surgery, especially after being sedated and lying on your back. People with obstructive sleep apnea may be more prone to complications after surgery.
Before you have surgery, tell your doctor if you have obstructive sleep apnea or symptoms related to obstructive sleep apnea. If you have obstructive sleep apnea symptoms, your doctor may test you for obstructive sleep apnea prior to surgery.

• Eye problems. Some research has found a connection between obstructive sleep apnea and certain eye conditions, such as glaucoma. Eye complications can usually be treated.

 

• Sleep-deprived partners. Loud snoring can keep those around you from getting good rest and eventually disrupt your relationships. Some partners may even choose to sleep in another room. Many bed partners of people who snore are sleep deprived as well.
People with obstructive sleep apnea may also complain of memory problems, morning headaches, mood swings or feelings of depression, and a need to urinate frequently at night (nocturia).