Articles tagged with Kidney
Postmenopausal women taking estrogen therapy are at a higher risk of developing kidney stones, according to a study. The research found a significant increase in kidney stone development, with a fivefold greater risk in women with a history of kidney stones.
A recent study published in Cell Metabolism has identified podocytes as a crucial factor in the development of kidney failure in diabetes. The researchers found that these cells become less responsive to insulin, leading to similar kidney disease symptoms in mice with normal blood sugar levels.
A recent study led by St. Michael's nephrologist Dr. Ramesh Prasad has found that South Asian patients are more than twice as likely to suffer a heart attack after a kidney transplant compared to Caucasian, black and East Asian men and women.
Two new studies reveal racial disparities in kidney disease among African Americans, including higher rates of kidney failure, premature death, and lower rates of living donor transplants. The findings emphasize the importance of addressing these disparities to improve health outcomes for this population.
A DASH-style diet, rich in fruits, vegetables, and dairy products, may help prevent kidney stones by increasing urinary volume and citrate levels. The study suggests that a DASH-style diet could be an effective way to reduce the risk of kidney stone recurrence.
Researchers at Boston Children's Hospital discovered a new approach to treating polycystic kidney disease by inhibiting c-Met receptor activity, reducing cyst size and number. The compound showed promise in animal models, potentially leading to clinical trials in humans.
Patients over 50 and obese recipients are at higher risk of transplant renal artery stenosis (TRAS). Elevated triglyceride levels, CMV infection, and delayed graft function also significantly increase the risk. Researchers found that age and obesity increased TRAS by 190% and 697%, respectively.
A study found that kidney transplants showing fibrosis and inflammation after one year are at increased risk of long-term transplant failure. Routine biopsies can help identify these abnormal signs and predict potential targets for early preventative treatment.
A study reveals that individuals with prior non-kidney organ transplants are more likely to be listed for a kidney transplant before dialysis initiation. This trend adds to the list of organ allocation challenges, as these patients have higher waitlist mortality rates and shorter lifespans compared to those with prior kidney transplants.
A team of scientists is investigating the role of endothelin in salt excretion to develop new antihypertensive therapies. They are studying rats deficient in B receptors, which can lead to unbalanced salt levels and hypertension.
Researchers identify a genetic mutation in the immune system causing chronic kidney disease in Cypriot families, with symptoms including blood in the urine and progressive kidney malfunction. The mutation dates back to a single common ancestor over 16 generations ago.
Research found that black and Hispanic kidney donors are more likely to develop hypertension, diabetes, and chronic kidney disease compared to white donors. The study highlights the need for better pre-donation counseling and post-donation follow-up to address these health disparities.
A study has found that kidneys from cardiac-death donors have equivalent graft survival and function to those from brain-dead donors. This breakthrough increases the potential supply of donor organs, alleviating the shortage on the kidney transplant waiting list in the UK.
Patients with DVA/DoD insurance are more likely to undergo an arteriovenous fistula, a procedure that improves survival rates. The study highlights the need for improved kidney-related care for patients before they start dialysis.
A study reveals that HIV-infected injection drug users are more likely to develop proteinuria, a marker of kidney disease, which can lead to kidney failure. Clinicians should aggressively screen this population for proteinuria and consider them candidates for medical treatments that protect the heart and kidneys.
Researchers discovered that patients with high levels of albuminuria have a significantly increased risk of developing acute kidney injury, highlighting the importance of monitoring kidney function. By recognizing these warning signs, individuals can take proactive steps to prevent preventable forms of acute kidney injury.
Research identifies APOL1 gene variants associated with increased risk of kidney disease in African-Americans. The genetic variants may have evolved as a survival mechanism against parasitic disease in Africa.
A morning urine test is superior for detecting declining kidney performance in patients with diabetic kidney disease. The albumin:creatinine ratio from a first morning urine sample predicts worsening kidney problems more accurately than other methods.
A study published by the American Society of Nephrology found that corticosteroid treatment can prevent or delay loss of kidney function in patients with IgA nephropathy. The addition of an immunosuppressant drug, such as azathioprine, did not provide additional benefits.
A study found individuals with high resting heart rates and low beat-to-beat heart rate variability have a higher risk of developing kidney disease. The autonomic nervous system's behavior may be a sentinel marker for late-stage kidney disease.
Research by UC Health cardiologists found that while worsening kidney function is common among heart failure patients, those with transient worsening kidney function have better outcomes than those with persistent kidney failure. The study of 467 patients also showed a significant difference in mortality rates between the two groups.
A new allocation formula developed by Johns Hopkins researchers can predict which donor kidneys are most likely to be delayed or discarded. The formula could potentially speed up the organ allocation process for hard-to-place kidneys, improving transplant outcomes and saving lives.
Researchers found that early asymptomatic kidney damage in type 1 diabetes leads to a significant increase in mortality, while normal kidneys offer no increased risk of death. The study involved 658 participants and followed them for 20 years.
Researchers at TGen discovered a genetic biomarker with significant association to kidney failure in American Indians in Arizona. The study found evidence of some lesser associations between kidney failure and four other markers, all linked to the SUCNR1 gene.
Recent guidelines call for lower target blood pressure levels in CKD patients, but a critical review finds the data is not definitively supported by scientific evidence. The author suggests that doctors should make individualized decisions about blood pressure control for their patients with kidney disease.
Researchers at Indiana University School of Medicine successfully treated acute kidney injury in laboratory experiments using genetically reprogrammed cells producing a protein that aids kidney development. The treatment, administered intravenously, showed significant improvements in kidney function and reduced physical damage.
A new study found that living kidney donors with metabolic syndrome experience a decline in renal function more than twice as fast as those without the condition, highlighting the need for corrective measures before donation.
A study found that patients living in predominantly black areas are less likely to receive pre-dialysis kidney care from a specialist, despite having declining kidney function. The researchers investigated the effect of residential area racial composition on access to and quality of kidney-related care before starting dialysis.
Researchers found a new complication of stem cell therapy: angiomyeloproliferative lesions at injection sites, which can lead to kidney failure and death. The study highlights the need for further research to determine the circumstances that cause these masses to form and strategies to avoid them.
Researchers at the University of Leeds have found a protein, CLC-5, that plays a crucial role in treating Dent's disease, a rare genetic disorder causing kidney stones and failure. The study reveals that faulty CLC-5 delivery impairs endocytosis, leading to vitamin and hormone loss.
A Mayo Clinic study found that interrupting blood flow for more than 20 minutes during kidney cancer surgery increases the risk of chronic kidney disease. Limiting ischemia time can help avoid this complication.
A study found that bevacizumab increases the risk of severe urinary protein loss by more than four-fold in patients, highlighting the need for monitoring kidney health when prescribing this cancer drug. Patients with kidney cancer or receiving high doses of bevacizumab are at greatest risk.
The study reveals that Wilms tumor cells share epigenetic characteristics with normal kidney stem cells, highlighting the critical role of chromatin in tumor development. This discovery may provide new avenues for therapy and shed light on other pediatric cancers.
A UNC study finds that most kidney dialysis patients are unprepared for emergencies like hurricanes, which could disrupt life-saving treatment. The survey of North Carolina patients highlights the need for better disaster preparedness education and awareness.
Radiofrequency ablation proved as effective as surgical removal of tumors in curbing cancer recurrence rates for up to five years after treatment. The minimally invasive procedure showed superior preservation of kidney tissue, leading to improved quality of life and length of life for patients.
Researchers discovered that activated basophils cause kidney damage in a mouse model of lupus nephritis, potentially leading to new treatments with an asthma medication. The study found increased IgE responses and activated basophils in people with SLE, strongly associated with disease activity.
Two teams of researchers identified biomarkers that predict excellent graft function in kidney transplant recipients who stop taking immunosuppressive drugs. A molecular signature indicative of future organ failure was also found. The signatures may help physicians design personalized treatment regimens for kidney transplant recipients.
Researchers have identified a unique gene pattern in white blood cells of tolerant kidney transplant recipients, which may enable them to stop taking immunosuppressive drugs. The study found that B cell genes play a crucial role in maintaining tolerance to transplanted organs.
Researchers have discovered a distinct gene expression pattern in kidney transplant recipients who didn't reject their transplanted kidneys despite stopping immunosuppressive therapy. The finding may help identify other transplant recipients who can safely reduce or end their use of anti-rejection drugs.
Researchers identified biomarkers associated with stable kidney graft function in patients without immunosuppressants and a molecular signature indicative of future organ failure. These findings may help design personalized treatment regimens for kidney transplant recipients.
A study analyzing 2,575 Dutch transplant candidates found that kidneys from donors after cardiac death provided a 56% higher chance of survival for patients. While the initial failure rate was higher, long-term benefits outweighed the risks, suggesting an expansion of available organs.
A study published in the Journal of Urology found that girls with vesicoureteral reflux are at higher risk of new renal damage. Boys also showed signs of renal damage, although at lower rates. The study suggests that preventing febrile urinary tract infections is crucial for kidney health.
A study published in the Journal of the American Society Nephrology found that a low kidney-to-recipient-weight ratio increases the risk of transplant failure, inadequate filtration, and other complications. The research suggests that matching kidney weight to recipient weight could improve transplantation success rates.
Researchers at Mayo Clinic have discovered gene signatures that explain the biology of clear cell renal cell carcinoma (ccRCC), a common and difficult-to-treat kidney cancer. They identified master genes lost in ccRCC that likely drive its development, as well as stem cell-like properties that contribute to its resistance to treatment.
A meta-analysis of over 1 million people found that both low kidney filtration rate (GFR) and high albumin: creatinine ratio independently predict mortality risk in the general population. Low GFRs were associated with increased risks, with those below 60 mL/min/1•73 m² experiencing a 57% increased risk of death.
A new study published in The Lancet found that common blood tests for kidney function and urine protein levels can predict mortality risk. People with high levels of albumin in their urine were at a higher risk of mortality, with an increased risk of nearly 50% at certain thresholds.
A study found that sirolimus halts cyst growth and increases healthy kidney structures in ADPKD patients. The treatment may provide a promising long-term option for patients with the genetic kidney disease.
Researchers found that anti-inflammatory drugs can preserve kidney function in hypertensive rats by regulating blood pressure on tiny filters called glomeruli. The study aims to understand how kidneys autoregulate pressure and explore the role of inflammatory factors in arteriole dysregulation.
Elderly patients with localized kidney cancer may benefit from conservative care, such as observation or treatments that spare the noncancerous parts of their kidneys. The study found no significant difference in survival rates between those who had their entire kidney removed and those who received active monitoring.
Researchers found post-transplant patients off steroids have similar graft-function outcomes as those on steroids but with fewer cardiovascular events. This study contributes to a reduction in patient exposure to corticosteroids during post-transplantation treatment, improving graft survival rates and reducing early mortality.
Mayo Clinic researchers discovered chronic mild kidney injury in the kidneys of healthy adults, increasing with age. The study, published in Annals of Internal Medicine, highlights the need for new tests to detect mild kidney disease more accurately.
The experimental immunosuppressive drug belatacept has been shown to better preserve kidney function and prevent graft rejection in kidney transplant recipients. A two-year study of the BENEFIT trial found that patient and graft survival rates were similar among the belatacept, cyclosporine, and control groups.
Patients with hypertension who excrete slightly increased amounts of protein in the urine, known as microalbuminuria, have an elevated risk of developing heart and kidney problems. Microalbuminuria is associated with a higher risk of chronic kidney disease and cardiovascular complications in non-diabetic patients with hypertension.
A randomized clinical trial found that Octreotide slowed the growth of cyst-filled livers in patients with polycystic liver disease (PLD) caused by autosomal dominant polycystic kidney disease (ADPKD). The treatment also improved kidney function and health perception in these patients.
A study published in JAMA found that high-dose vitamin B therapy worsened kidney function and increased heart attacks and strokes in people with diabetes and kidney damage. However, the treatment did lower homocysteine levels, a risk factor for coronary heart disease.
Patients with acute kidney injury admitted on weekends have a higher risk of dying compared to those admitted on weekdays. The disparity was most evident in smaller hospitals, where the risk of death was even greater.
Early recognition and prevention of chronic kidney disease (CKD) are vital for all settings. CKD is associated with increased cardiovascular risk, even at mild reductions in glomerular filtration rate. Implementing interventions can reduce cardiovascular events or progression to kidney failure.
Researchers investigate stem cells and adult tissue in the kidney, suggesting a possible mechanism for regeneration. The study suggests that ACE inhibitors may be used to aid repair and regeneration of injured kidney tissue.
Many kidney diseases are caused by single gene defects, providing opportunities for diagnosis and treatment. The discovery of causative genes enables personalized medicine and the development of targeted therapies.
Researchers at Nationwide Children's Hospital developed a mouse model of vesicoureteral reflux, a condition that can lead to chronic kidney disease. The study found that these models lacked the protein fibroblast growth factor receptor 2 (Fgfr2), which is involved in tissue and organ development.