Preeclampsia During Pregnancy May Be Linked with Kidney Failure Risk


Highlights• Preeclampsia was associated with an increased likelihood of developing kidney failure; however, after adjusting for diabetes and hypertension, the association was attenuated and no longer significant.• Additional studies are needed to confirm the association of preeclampsia and kidney failure.

Newswise — Atlanta, GA (November 9, 2013)—Preeclampsia during pregnancy may be associated with an increased risk of developing kidney failure, according to a study that will be presented at ASN Kidney Week 2013 November 5¬–10 at the Georgia World Congress Center in Atlanta, GA.

Recent data from registry-based studies suggest that preeclampsia—a condition in pregnancy characterized by high blood pressure, sometimes with fluid retention and protein excretion in the urine—is a risk factor for developing kidney failure later in life, but the magnitude of this link and the contributions of individuals’ other medical conditions remain unknown. To investigate the issue, researchers led by Andrea Kattah, MD (Mayo Clinic) studied 8362 residents of Olmsted County, MN who gave birth between 1976 and 1982. Kidney failure cases were identified by linkage with the United States Renal Data System; each case was matched to two controls.

A total of 20 cases of kidney failure were identified and available for analysis. The average age at diagnosis of kidney failure was 52.6 years. Per chart review, 8/20 (40%) cases vs 5/40 controls (12.5%) had preeclampsia or eclampsia (which is characterized by convulsions). Diabetes and hypertension were more common in cases than controls (50% vs 15%, 80% vs 45%, respectively).

“Preeclampsia is associated with a higher odds of end stage renal disease. However, after adjusting for diabetes and hypertension, the association was attenuated and no longer significant,” according to the investigators. “Larger population-based studies that rely on chart review or prospective studies are needed to confirm the association of preeclampsia and end stage renal disease.”

Study: “Preeclampsia and End-Stage Renal Disease: A United States Renal Data System Linkage Study” (Abstract 1671) Disclosures: Vesna D. Garovic is the inventor of the technology “Markers for Preeclampsia,” which has been patented by Mayo Clinic. The authors report receiving funding from the National Institute on Aging, and the Society for Women’s Health Research (SWHR) ISIS Network award.ASN Kidney Week 2013, the largest nephrology meeting of its kind, will provide a forum for 14,000 professionals to discuss the latest findings in renal research and engage in educational sessions related to advances in the care of patients with kidney and related disorders. Kidney Week 2011 will take place November 5 – 10, 2013 in Atlanta, GA.The content of this article does not reflect the views or opinions of The American Society of Nephrology (ASN). Responsibility for the information and views expressed therein lies entirely with the author(s). ASN does not offer medical advice. All content in ASN publications is for informational purposes only, and is not intended to cover all possible uses, directions, precautions, drug interactions, or adverse effects. This content should not be used during a medical emergency or for the diagnosis or treatment of any medical condition. Please consult your doctor or other qualified health care provider if you have any questions about a medical condition, or before taking any drug, changing your diet or commencing or discontinuing any course of treatment. Do not ignore or delay obtaining professional medical advice because of information accessed through ASN. Call 911 or your doctor for all medical emergencies.Founded in 1966, and with more than 14,000 members, the American Society of Nephrology (ASN) leads the fight against kidney disease by educating health professionals, sharing new knowledge, advancing research, and advocating the highest quality care for patients.

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