Tuesday, March 23, 2010

Sleep Apnea and the Kidney

A new study in the journal Sleep and Breathing shows that treating sleep apnea might help protect a person’s kidney.

The kidney is the bean-shaped organ that keeps a person’s blood clean.

The study included 507 men. All of the men were 67 years or older.

They each took a sleep test and provided a urine sample.

The results indicate that low oxygen saturation can damage the kidney.

Nocturnal hypoxemia occurs when oxygen saturation falls below 90 percent during sleep. Obstructive sleep apnea (OSA) can cause this problem. When a person’s airway collapses, he or she will not get the normal level of oxygen.

The men who had lower levels of oxygen saturation during sleep had the highest albumin-to-creatinine ration (ACR) in their urine. High albumin excretion in urine can indicate kidney disease.

These results were independent of age, race and body mass index. OSA patients have a high rate of diabetes and hypertension. However, these results are independent of the two diseases.

The researchers suggest that sleep apnea treatment may help slow the progression of Chronic Kidney Disease.

Learn more about sleep apnea.

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The Official Blog of the American Academy of Dental Sleep Medicine (AADSM) is intended as an information source only. Content of this blog should not be used for self-diagnosis or treatment, and it is not a substitute for medical care, which should be provided by the appropriate health care professional. If you suspect you have a sleep-related breathing disorder, such as obstructive sleep apnea (OSA), you should consult your personal physician or visit an AASM-accredited sleep disorders center. The AADSM, and the American Academy of Sleep Medicine, as the managing agent of the AADSM, assume no liability for the information contained on the Official Blog of the AADSM or for its use.