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Home Urology / Nephrology News

Kidney injury prevention may be possible: Watch for the warning signs

by Urology Today
September 8, 2020
in Urology / Nephrology News
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Reduced kidney function and protein in the urine place a person at risk for kidney injury, according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology (JASN). The results suggest that improved recognition of these warning signs could help reduce preventable forms of acute kidney injury (AKI).

Acute kidney injury, which occurs when a person’s kidney function deteriorates over a short period of time, can have severe health consequences, including end stage kidney disease and even premature death. AKI is increasingly common and occurs in approximately 1.6% of all hospitalizations in the United States. It is also a common complication that arises in individuals who are hospitalized for other causes.

Although many cases of AKI may be an inevitable result of severe illness, some cases may be preventable by adjusting medication doses or limiting the use of intravenous contrast agents, which are commonly used to improve the visibility of internal bodily structures. To avoid the potential after effects of AKI, researchers are interested in identifying individuals at increased risk for AKI and preventing the initial damage to the kidneys.

Morgan Grams, MD, Josef Coresh, MD, PhD, and their colleagues at Johns Hopkins University studied risk factors for AKI in the general population. Using information from a large population-based group of 11,200 individuals who were followed for an average of eight years, the investigators evaluated the potential links between acute kidney injury and markers of reduced kidney function (estimated glomerular filtration rate, or eGFR) and kidney damage (protein excreted in the urine, or albuminuria), as well as traditionally recognized risk factors, such as age, race, and sex.

Dr. Grams, Dr. Coresh, and their team discovered that patients with the highest levels of albuminuria had almost a 5-fold increased risk of developing AKI. Similarly, the risk of developing acute kidney injury increased, as eGFR decreased. These associations persisted within subgroups of patients categorized by age, race, and sex. “The results suggest that a person’s risk profile for acute kidney injury depends not only on eGFR, which is the basis of the current kidney disease staging system, but also on levels of albuminuria,” said Dr. Grams, the lead author on the paper. The authors noted that as strategies for AKI prevention are developed, preventative measures should be considered for patients both with albuminuria and decreased eGFR.

###

Study co-authors include Brad Astor, PhD (Johns Hopkins University School of Medicine and Johns Hopkins Bloomberg School of Public Health), Lori Bash, PhD, Kunihiro Matsushita, MD, PhD, and Yaping Wang (Johns Hopkins Bloomberg School of Public Health).

Disclosures: Dr. Bash is currently employed at Merck and Company, Inc. All other authors reported no financial disclosures.

The article, entitled “Albuminuria and Estimated Glomerular Filtration Rate Independently Associate with Acute Kidney Injury” will appear online at http://jasn.asnjournals.org/ on July 29, 2010, doi 10.1681/ASN.2010010128.

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, the American Society of Nephrology (ASN) is the world’s largest professional society devoted to the study of kidney disease. Comprised of 11,000 physicians and scientists, ASN continues to promote expert patient care, to advance medical research, and to educate the renal community. ASN also informs policymakers about issues of importance to kidney doctors and their patients. ASN funds research, and through its world-renowned meetings and first-class publications, disseminates information and educational tools that empower physicians.

Contact: Shari Leventhal
.(JavaScript must be enabled to view this email address)
202-416-0658
American Society of Nephrology

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