Obstructive Sleep Apnea Prognosis

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Although there is no cure for obstructive sleep apnea (OSA), the prognosis for patients is very good if properly treated and managed.

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For mild OSA, the first line of treatment may include lifestyle changes such as losing weight, quitting smoking, and limiting alcohol consumption. In fact, one study has shown that even a modest weight loss of approximately 10% reduction in body weight can lessen the number of apnea or hypopnea episodes per hour and lead to improved sleep.

CPAP therapy

For moderate-to-severe OSA, lifestyle changes are typically combined with continuous positive airway pressure (CPAP).

CPAP therapy uses continuous air pressure to keep the upper airway open in order to reduce or prevent episodes of apnea and hypopnea. CPAP is effective in minimizing sleep interruptions, thereby improving the quality of sleep and decreasing daytime fatigue.

This can lead to increased daytime function, improved memory and concentration, reduced moodiness, and increased safety, especially while operating a motor vehicle. CPAP has also been shown to reduce hypertension, which is a known risk factor for cardiovascular disease.

Losing weight while on CPAP therapy can be even more beneficial. One study found that CPAP combined with weight loss leads to further reductions in blood pressure as compared with either CPAP or weight loss alone.

The prognosis for untreated OSA

OSA can be a serious and life-threatening condition if left untreated. The repeated stops and starts in breathing that occur throughout the sleep period elevates blood pressure and causes stress on the heart, leading to an increased risk of heart attack, heart failure, coronary artery disease, and stroke.

One study found that people with OSA are at a significantly increased risk of suffering stroke and death. In addition, because of the strong link between OSA and obesity, people with OSA are also more likely to develop type 2 diabetes, which is a serious condition associated with the regulation of blood glucose.

The chronic fatigue associated with OSA affects a patient’s ability to perform routine daytime functions and therefore puts them at risk for driving accidents.

Prognosis in children

The prognosis for OSA in children is also very good if properly treated. OSA in children is commonly caused by enlarged adenoids or tonsils; therefore, the surgical removal of these tissues is a typical treatment option.

Although surgery can be effective, recent evidence suggests that, in some cases, children may outgrow the condition on their own,without the need for surgical intervention.

One study found that nearly 42% of children diagnosed with OSA no longer met the criteria for having OSA, as indicated by an apnea hypopnea index (AHI) score of less than 2, after a 7-month watch and wait period.

Children with a normal waist circumference and a low initial AHI score may be more likely to outgrow OSA.


Further Reading

Last Updated: Nov 8, 2022

Susan Chow

Written by

Susan Chow

Susan holds a Ph.D in cell and molecular biology from Dartmouth College in the United States and is also a certified editor in the life sciences (ELS). She worked in a diabetes research lab for many years before becoming a medical and scientific writer. Susan loves to write about all aspects of science and medicine but is particularly passionate about sharing advances in cancer therapies. Outside of work, Susan enjoys reading, spending time at the lake, and watching her sons play sports.


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