Thursday, March 11, 2010

World Kidney Day: Sleep & Kidney Disease

Today is World Kidney Day to focus attention on chronic kidney disease.

reports that chronic kidney disease affects about 23 million adults in the U.S. Damaged kidneys fail to properly remove waste and extra water from the blood. The most advanced stage of the disease is kidney failure. This also is called end-stage renal disease.

Diabetes is the leading cause of chronic kidney disease and kidney failure. High blood pressure is the second-leading cause.

Chronic kidney disease also runs in families. Your risk is higher if a family member has it. And the risk is much higher in African-Americans, Native Americans and Hispanics.

Kidney disease also is a “silent” disease. You are unlikely to notice any symptoms in the early stages. But your doctor can detect it with a blood or urine test.

Research has found many links between sleep problems and kidney disease.

study published last month indicated that self-reported "poor" sleep quality was common in people with chronic kidney disease. Poor sleep also was linked to lower quality of life scores.

In January a
study reported that impaired sleep quality, mood and alertness were associated with advanced chronic kidney disease. They also were linked to dialysis dependency. The dialysis population demonstrated the highest day-to-day variability in these scores.

Last September a
study found that nearly 40 percent of children with chronic kidney disease had a sleep disorder. Restless legs syndrome and periodic limb movements were most common.

In August a
study found that people with kidney failure had frequent periodic limb movements during sleep. These movements caused almost 15 arousals per hour of sleep.

Previous research also has found that
obstructive sleep apnea is very common in people with kidney failure. One review estimated that the rate of sleep apnea in people with kidney failure is 10 times greater than in the general population.

Treating kidney failure by dialysis can be exhausting. Last year the Sleep Education Blog
reported that some dialysis clinics now offer to perform the treatment while you sleep.

Get help for a sleep disorder at an AASM-accredited sleep center near you.

1 comment:

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