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Dialysis Discussion => Dialysis: News Articles => Topic started by: okarol on April 04, 2013, 04:13:32 PM
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Hispanics Live Longest, Whites Shortest Among Dialysis Patients
Released: 3/22/2013 8:00 AM EDT
Embargo expired: 3/28/2013 5:00 PM EDT
Source Newsroom: American Society of Nephrology (ASN)
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Revealing reasons for survival disparities could improve care for all patients with kidney disease
Highlights
• Among dialysis patients, Hispanics tend to live the longer than Blacks, who in turn live longer than whites.
• Determining the reasons for these racial and ethnic disparities may be important for improving care.
As of 2010, there were approximately 410,000 dialysis patients in the United States.
Newswise — Washington, DC (March 28, 2013) — Among kidney failure patients on dialysis, Hispanics tend to live the longest and Whites the shortest, with Blacks’ survival time in between these two, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society of Nephrology (CJASN). Examining the reasons for these survival differences could help improve care for all patients with kidney disease.
While Blacks have a shorter average lifespan than Whites in the general US population, some studies indicate that among kidney failure patients on dialysis, Blacks tend to live longer than whites.
To investigate the issue further, Guofen Yan, PhD (University of Virginia School of Medicine) and her colleagues studied data from the United States Renal Data System pertaining to 1,282,201 adults undergoing dialysis between 1995 and 2009.
The researchers found that Hispanics were the least likely to die and non-Hispanic Whites were most likely to die over an average follow-up of 22.3 months. Blacks’ risk of dying was in between these two racial/ethnic groups. This pattern held true in all age groups, except for the youngest (18 to 30 years old), where there was a higher risk of dying for Blacks compared with non-Hispanic Whites.
“The survival advantage of racial/ethnic minorities on maintenance dialysis is one of the unresolved issues that has been around for some time and is of interest to health care providers, patients, and public policy,” said Dr. Yan. She noted that several hypotheses exist to explain why Black and Hispanic dialysis patients tend to live longer than Whites in most age groups. It may be that Black and Hispanic patients with kidney disease are more likely to die before they develop kidney failure, and those surviving are generally healthier and hence more likely to live longer with kidney failure than Whites.
“Examining dialysis survival among racial and ethnic subgroups may help identify care disparities and outcome differences in chronic kidney disease. Continued effort to discern the factors responsible for the general survival advantage of Black and Hispanic dialysis patients may yield major clinical and public health implications for the kidney failure and kidney disease populations,” said Dr. Yan.
Study co-authors include Keith Norris, MD (Charles R. Drew University of Medicine and Science); Alfred Cheung, MD, and Tom Greene, PhD (University of Utah); Alison Yu (University of Southern California); and Jennie Ma, PhD, and Wei Yu (University of Virginia School of Medicine).
Disclosures: This work is funded by NIH/NIDDK 5R01DK084200-02. In addition, Dr. Keith Norris is supported in part by NIH grants U54MD007598, UL1TR000124, P30AG021684, and P20-MD000182. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The authors thank staff at the USRDS for their assistance in providing the USRDS data.
The article, entitled “The Relationship of Age, Race and Ethnicity with Survival in Dialysis Patients,” will appear online at http://cjasn.asnjournals.org/ on March 28, 2013, doi: 10.2215/CJN.09180912.
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 13,500 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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http://www.newswise.com/articles/view/600696/?sc=rsmn