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Innovation & Growth Initiative: Montgomery County Benchmark
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Science Daily - Kidney News
Medical research on the kidney, causes and symptoms of kidney infections and failure. Find out about green tea and other food that affects the kidneys. Read about kidney stones and other kidney problems.
Updated: 10 hours 33 min ago
A new urine test can distinguish among different causes of kidney dysfunction in kidney transplant recipients. Still under development, if it is validated in a larger multicenter study, the test may allow patients to avoid invasive kidney biopsies. "Our study shows that when the creatinine level is elevated in the blood of a kidney transplant recipient, use of our urine test would differentiate the common causes of kidney dysfunction that led to the elevation in creatinine, hence benefiting many patients by allowing them to avoid the need for an invasive needle biopsy," said the lead researcher.
A simple way to treat kidney failure. A new technique for purifying blood using a nanofiber mesh could prove useful as a cheap, wearable alternative to kidney dialysis.
Although some research has suggested that the use of the anticoagulant warfarin for atrial fibrillation among patients with chronic kidney disease would increase the risk of death or stroke, a study that included more than 24,000 patients found a lower one-year risk of the combined outcomes of death, heart attack or stroke without a higher risk of bleeding.
Two new markers for acute kidney injury have been determined, thanks to new research. Acute kidney injury (AKI) has been difficult to diagnose and treat early because current markers for it don't show up until several hours after it has begun. The research group, however, validated two new markers -- tissue inhibitor of metalloproteinases (TIMP)-2 and insulin-like growth factor binding protein 7 (IGFBP7) -- in urine that, when assessed together, give clinicians the ability to detect and begin treating AKI much earlier than the current standards.
Prevention and reversal of chronic kidney disease is an urgent public health need. The disease affects 1 in 10 Americans, is debilitating and deadly, and existing drugs, at best, offer only mild delay in progression to end-stage kidney failure. New research has uncovered abnormal molecular signaling pathways from disease initiation to irreversible kidney damage, kidney failure, and death.
Biopsy-detected injury in donated kidneys was modestly associated with a delay in organ function in the first week after transplantation, but only for donor kidneys already known to be at high risk. Donor kidney biopsies frequently underreported kidney injury with substantial variability. The study also showed that there was a large degree of overlap between the results of biopsies from kidneys that were deemed unsuitable for transplantation and kidneys that were approved for transplantation. The quality of biopsies used in acceptance decisions was low.
In a study of 267 patients with chronic kidney disease, 69% of participants experienced at least one hazardous event related to their outpatient care. Hypoglycemia (in patients with diabetes) and falling or severe dizziness (in patients without diabetes) were most frequently paired with other complications of medical care. "Disease-specific adverse safety event events are strikingly common in CKD," concludes the lead author.
Researchers say the discovery of how sodium ions pass through the gill of a zebrafish may be a clue to understanding a key function in the human kidney. In this research, the protein allows the sodium ions to be absorbed from the forming urine while at the same time discarding waste from normally functioning cells, thus keeping the body in balance and serving as an energy saving system. The researchers say the same NHE3 protein performs a similar function in the intestine, pancreas, liver, lungs and reproductive system.
A vaccine-based clinical trial is underway, aimed at providing kidney cancer patients long-term control of their disease. Survival outcomes for patients with renal cell carcinoma, the most common form of kidney cancer, have improved significantly over the past decade due to research advances in personalized or "targeted" therapies designed to target an individual's genetic makeup. To expedite these benefits, investigators are now looking to couple targeted therapies with vaccine-based approaches, which use a patient's own immune system to fight disease and may have the potential to improve survival outcomes and overall quality of life.
A team of researchers has found that kidney cancer cells have a quite different metabolism than other types of malignancies. The findings pave the way for new methods of diagnosing kidney cancer at an early stage, a feat that had eluded researchers earlier, and thereby fresh approaches to treatment. "Because kidney cancer cells metabolize abnormally, they have to fight for their survival," says the scientist who constructed the cell models. "As a result, it should be possible to customize a way of taking advantage of their vulnerabilities so as to kill them without damaging healthy cells."
Nearly 5,000 people die each year in the US waiting for a kidney transplant. A researcher has now developed a mathematical model that simulates and optimizes donor kidney distribution. The model identifies areas for policy changes, including encouraging more sharing within states. The innovative model could help ease inequities among regions in the US and ultimately help save hundreds of lives.
For pregnant women with kidney failure who underwent dialysis for more than 36 hours per week, the live birth rate was 85%, while it was only 48% in women dialyzed for 20 hours or less per week. Infants were a healthier weight at birth when women were dialyzed for more than 20 hours per week than when women were dialyzed for 20 hours or less per week. Pregnancy complications were few and manageable in patients receiving intensive dialysis.
In four years of follow up of 1464 participants in the randomized controlled trial Randomised Evaluation of Normal vs. Augmented Levels of RRT (RENAL) study, medical researchers found that patients with acute kidney injury in an intensive care unit who require renal replacement therapy (RRT; hemodialysis combined with hemofiltration) do not benefit from higher intensity RRT.
The risk of a kidney donor developing kidney failure in the remaining organ is much lower than in the population at large, even when compared with people who have two kidneys, according to results of new research.
From keeping up a daily exercise routine to eating healthy foods and avoiding impulse purchases, self-control is hard work. Ironically, when it comes to making decisions about our bodies, a new study finds we make better health care decisions when we’re feeling tired and run down.
Detailed structural and functional ‘maps’ of the human kidney made using advanced scanning technology are to be developed by scientists, in hopes that the effort advances treatment for those suffering from chronic kidney disease.
A doctor has become the first renal physician in the England to be awarded the National Institute for Health Research (NIHR) Clinician Scientist Award. The fellowship, worth more than £1 million, will fund a five-year study into the effects of exercise on heart disease in patients with chronic kidney disease who are on dialysis.
Domoic acid accumulates in seafood and is toxic to the brain. Research indicates that the toxin damages kidneys at concentrations that are 100 times lower than what causes neurological effects.
Hospitalized patients who recovered from acute kidney injury had a 67% increased risk of experiencing coronary events or dying during a recent study, suggesting that there is a linkage between the two. Acute kidney injury’s harmful effects on heart health were comparable to those attributed to diabetes.
For asymptomatic adults with chronic kidney disease who will need dialysis, an intent-to-defer approach is recommended over an earlier start, according to a new guideline from the Canadian Society of Nephrology.