Beasley, Allen, Crow, Methvin, Portis & Miles, P.C.

One of the hottest topics in nephrology over the past few years has been the epidemiologic and histopathologic studies that suggest a link between oral sodium phosphate (OSP) colonoscopy preparations and a serious form of kidney injury known as acute phosphate nephrology, according to The Renal Fellow Network.

As more cases of the condition were reported to the Food and Drug Administration (FDA), the agency last December issued a black box warning on prescription brands of OSP, such as Visicol and Osmo Prep. C.B. Fleet, makers of over-the-counter OSPs, also pulled their products from store shelves. While the Fleet products were deemed safe when taken in low doses as a laxative, Fleet had recommended doctors to tell their patients to use the over-the-counter OSPs in higher doses to prep the bowel prior to colonoscopies.

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The American Society of Nephrology (ASN), a group that leads the fight against kidney disease in the U.S., holds its annual meeting and scientific exposition next week as part of ASN Renal Week, October 27 – November 1, 2009. The national Renal Week was originally formed as a way to disseminate information on new advances in the science of nephrology. Since then, the educational activities have greatly expanded to meet the needs of both practicing nephrologists and renal scientists.

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Movie stars and celebrities may swear by them, but medical experts agree that colon cleansing should only be done when medically necessary.

“Sometimes it is necessary for people preparing to undergo a medical procedure or examination, such as a colonoscopy or a colon x-ray,” says to Dr. Mark Larson, a gastroenterologist at Mayo Clinic in Rochester, Minn., in the Hartford Courant. “But unless a doctor has recommended it as a preparation for such procedure, I strongly discourage people from colon cleansing. It can cause traumatic injury to the colon and result in long-term medical problems.”

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An estimated 106,100 people will be diagnosed with colon cancer and 40,870 with rectal cancer this year, according to the American Cancer Society. It is the second leading cause of cancer-related death. But the good news is that the death rate is dropping. One reason is that regular screenings have allowed doctors to find more colorectal cancers sooner, thus making the disease easier to cure.

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