Diet and supplements: What's good and bad for kidney disease patients
Two studies presented during the American Society of Nephrology's Annual Kidney Week provide new information on dietary benefits and dangers in kidney disease patients.
Lilach Shema, PhD (Western Galilee Medical Center in Israel) and colleagues investigated the long-term effects of drinking pomegranate juice on heart disease risk factors -- such as high cholesterol and blood pressure -- in kidney disease patients. Pomegranate juice is rich in antioxidants and has been touted as having a variety of health benefits.
The researchers randomized 101 dialysis patients to receive about three-and-a-half ounces of pomegranate juice or placebo, three times a week. After one year, the number of blood pressure drugs patients took decreased in 22% of patients drinking pomegranate juice compared to 7.7% in the placebo group, while an increase was documented in 12.2% of patients drinking pomegranate juice compared to 34.6% in the placebo group. Patients who drank pomegranate juice also had healthier blood pressure and cholesterol levels and less plaque build-up in their arteries. These results suggest that drinking pomegranate juice might decrease the high rates of illness and death among kidney disease patients.
Another team led by Vanessa Grubbs, MD (University of California, San Francisco) looked at the use of dietary supplements among patients with chronic kidney disease (CKD). The National Kidney Foundation identifies 39 herbs that may be harmful to CKD patients, but no one knows how many of these patients take them.
Using data from the 1999 to 2008 annual National Health and Nutrition Examination Survey (NHANES), a program of studies designed to assess the health and nutritional status of adults and children in the United State, the investigators examined the reported use of dietary supplements in the past 30 days among 21,169 adults. While an estimated 52.4% of participants reported taking any dietary supplement, the supplement was potentially harmful among 15.3%. Use of supplements was not statistically different by CKD severity.
Because many CKD patients use potentially harmful supplements, they may be unaware of their risks. "Although people tend to think of dietary supplements as healthy, many contain ingredients that can actually be harmful to the kidneys," said Dr. Grubbs. Healthcare providers, too, may be unaware that some supplements are potentially harmful and that patients with CKD are taking them. Further research and education are warranted.
More information: Study authors for "Pomegranate Juice Intake Attenuates Traditional Cardiovascular Risk Factors in Hemodialysis Patients: A Randomized Placebo Controlled Trial" (abstract FR-PO1660) include Lilach Shema, PhD, Liora Ore, MD, Shifra Sela, Ronit Geron, MD, Galina Shapiro, and Batya Kristal, MD.
Study authors for "Prevalent Use of Dietary Supplements Potentially Harmful in Chronic Kidney Disease in the United States" (abstract TH-PO267) include Vanessa Grubbs, MD, Laura Plantinga, Delphine Tuot, MD, Elizabeth Hedgeman, Rajiv Saran, MD, Sharon Saydah, Deborah Rolka, and Neil Powe, MD.
Provided by American Society of Nephrology
- Pomegranate juice: Beyond antioxidants, potential benefits for dialysis patients Nov 19, 2010 | not rated yet | 0
- Waste peel from pomegranate juice factories makes healthy cattle feed Dec 08, 2008 | not rated yet | 0
- Kidney drugs hampered by high blood phosphate Aug 18, 2011 | not rated yet | 0
- Low thyroid function common in chronic kidney disease Jun 11, 2008 | not rated yet | 0
- POM Wonderful 100% Pomegranate Juice may improve erectile dysfunction Jul 02, 2007 | not rated yet | 0
- Motion perception revisited: High Phi effect challenges established motion perception assumptions Apr 23, 2013 | 3 / 5 (2) | 2
- Anything you can do I can do better: Neuromolecular foundations of the superiority illusion (Update) Apr 02, 2013 | 4.5 / 5 (11) | 5
- The visual system as economist: Neural resource allocation in visual adaptation Mar 30, 2013 | 5 / 5 (2) | 9
- Separate lives: Neuronal and organismal lifespans decoupled Mar 27, 2013 | 4.9 / 5 (8) | 0
- Sizing things up: The evolutionary neurobiology of scale invariance Feb 28, 2013 | 4.8 / 5 (10) | 14
Classical and Quantum Mechanics via Lie algebras
Apr 15, 2011 I'd like to open a discussion thread for version 2 of the draft of my book ''Classical and Quantum Mechanics via Lie algebras'', available online at http://lanl.arxiv.org/abs/0810.1019 , and for the...
- More from Physics Forums - Independent Research
More news stories
More than 40 percent of patients being treated for COPD at a federally funded clinic did not have the disease, researchers found after evaluating the patients with spirometry, the diagnostic "gold standard" for chronic obstructive ...
Diseases, Conditions, Syndromes 1 hour ago | not rated yet | 0
(AP)—Alabama health officials say a mysterious respiratory illness has left five people hospitalized and two dead in the southeastern part of the state.
Diseases, Conditions, Syndromes 4 hours ago | not rated yet | 0
A paper recently published in the New England Journal of Medicine and co-written by physicians and scientists at the University of Colorado School of Medicine finds that an important genetic risk factor for pulmonary fibros ...
Diseases, Conditions, Syndromes 17 hours ago | not rated yet | 0
Using the Department of Defense Serum Repository (DoDSR), University of Cincinnati (UC) researchers have identified a number of biomarkers for inflammatory bowel disease (IBD), which could help with earlier diagnosis and ...
Diseases, Conditions, Syndromes 17 hours ago | 5 / 5 (1) | 0
(HealthDay)—Three-quarters of public schools in the metro Atlanta area contain microbes, including bacteria indicating the presence of fecal matter, according to research published in the May 17 issue of ...
Diseases, Conditions, Syndromes 18 hours ago | not rated yet | 0
The new 13-valent pneumococcal conjugate vaccine (PCV13) appears to be as safe as the previous version used prior to 2010, the 7-valent pneumococcal conjugate vaccine (PCV7), according to a Kaiser Permanente study published ...
13 minutes ago | not rated yet | 0
Research presented today shows that high-fructose corn syrup can cause behavioural reactions in rats similar to those produced by drugs of abuse such as cocaine. These results, presented by addiction expert Francesco Leri, ...
1 hour ago | 4 / 5 (1) | 0
Is it permissible to harm one to save many? Those who tend to say "yes" when faced with this classic dilemma are likely to be deficient in a specific kind of empathy, according to a report published in the scientific journal ...
6 hours ago | not rated yet | 0 |
(Medical Xpress)—Scientists supported by the National Institutes of Health have a new theory as to why a woman's fertility declines after her mid-30s. They also suggest an approach that might help slow ...
3 hours ago | not rated yet | 0 |
(Medical Xpress)—Native peoples in regions where cameras are uncommon sometimes react with caution when their picture is taken. The fear that something must have been stolen from them to create the photo ...
May 21, 2013 | 4.3 / 5 (6) | 0 |
Phthalates: Study links chemicals widely found in plastics, processed food to elevated blood pressure in children, teens
Plastic additives known as phthalates (pronounced THAL-ates) are odorless, colorless and just about everywhere: They turn up in flooring, plastic cups, beach balls, plastic wrap, intravenous tubing and—according to the ...
7 hours ago | not rated yet | 1 |