Kidney Stones News Archive
Pregnant women with vs without a history of nephrolithiasis are more likely to experience gestational diabetes and preeclampsia.
The increase included both symptomatic and asymptomatic kidney stones
For renal calculi 5 to 20 mm in diameter, treatment with flexible ureterorenoscopy was associated with higher stone-free and freedom from reintervention rates vs ESWL.
Patients with versus without a history of urinary calculi had nearly 2-fold greater odds of bladder cancer, meta-analysis showed.
Alpha blocker treatment resulted in a higher stone expulsion rate versus placebo in patients with distal ureteral stones larger than 5 mm in maximum diameter, study finds.
Complication rates were no higher with point-of-care ultrasound than CT.
Likelihood of stone formation increases with higher calcium oxalate and calcium phosphate relative supersaturation.
Recurrent, but not first-time, symptomatic kidney stone formers are at elevated risk for end-stage renal disease and death.
New study may redefine the "stone belt" in the United States.
Radiation dose area product fell from 318.4 to 6.4 cGy/cm2 over the study period.
However, higher stone-free rates were found with laparoscopic ureterolithotomy and percutaneous nephrolithotomy.
Nephrolithiasis developed in 18,777 healthy men during 1,184,654 person-years of follow-up.
Differences in the effect of heat on evaporative water loss may help explain the disparity in kidney stone risk between men and women.
A single-center study found that most staghorn stones have a metabolic composition rather than an infectious cause.
Likelihood of stone passage in patients on medical expulsive therapy is based on variables such as stone size and location and white blood cell count.
Finding could explain the association between obesity and diabetes and the development of kidney stones.
Adult patients with horseshoe kidneys have an estimated kidney stone incidence of 59%.
Whether all recurrent stone formers benefit from 24-hour urine collection has not been established.
Patients with multiple sclerosis are more likely to form calcium phosphate stones and struvite stones.
Researchers suggest that early treatment of some ureteral stones is preferable.
Formal ultrasonography by a radiologist may encourage less computerized tomography preoperatively.
Cleveland Clinic study found a 4-fold greater prevalence of nephrolithiasis among children with asthma compared with the general pediatric population.
Only 1% of patients develop kidney stones after kidney transplantation.
After multivariate adjustment there was no statistically significant association between vitamin D intake and risk of stones in the follow-up study.
Mean levels of total serum testosterone and serum dihydrotestosterone were significantly higher in urolithiasis cases compared with controls.
For every 1 mm increase in stone size, the odds of passage increased by 9.8%.
Studies also link kidney stone development to osteoporosis and proton pump inhibitor use.
New study also finds a reduction in kidney stone risk among individuals with the highest potassium intake.
The presence of a ureteral stone, age less than 30 years, and the need for intravenous narcotics in the emergency department were associated with an emergency department revisit.
Serum uric acid levels of 10 mg/dL or higher are associated with an increased risk for nephrolithiasis.
Compared with computed tomography, ultrasonography demonstrated low sensitivity and overestimated the stones 10 mm or less in size.
24% of patients were prescribed narcotics by more than one provider after surgery
Findings in percutaneous nephrolithotomy patients; gram-positive organisms predominate.
Researchers suggest it might offer alternative to current treatment that has side effects.
Decreasing salt intake could decrease the risk of recurrent kidney stones.
A higher allopurinol dose was protective against renal failure in elderly allopurinol recipients.
Researchers find an increased risk for elevated serum creatinine, but not chronic kidney disease or all-cause mortality.
Technique could reduce the need for ureteral access sheaths.
Use of the lipid-lowering drugs is associated with 43% and 47% decreased odds of new stones in recurrent stone formers and stone naïve patients.
PCNL procedure rate nearly doubles over a 2-decade period, study finds.
Findings among patients undergoing ureteroscopy with laser lithotripsy.
Pain episodes and need for adjuvant intervention decreased, but the alpha blocker did not improve renal stone clearance rates.
Patients treated with medical expulsive therapy achieve spontaneous passage more quickly.
The phosphodiesterase type 5 (PDE5) inhibitor, sildenafil, improved passage of distal ureteric stones 5-10 mm in diameter.
Roux-en-Y gastric bypass surgery is associated with a 73% increased pooled RR of kidney stones.
Compliant patients have fewer ER visits, hospitalizations, stone disease surgeries.
SWL treatment success rate was 70.4% and 53.1% for stones less than 15 mm and 15 mm or larger, respectively.
Researchers also report growing number of cases among women and children.
Study shows that it increases urine volume and decreases supersaturation with stone-forming calcium salts.
Elevated risk observed with total and supplemental, but not dietary, vitamin C intake.
The researchers found that factors associated with a higher risk of recurrent infections included type 2 diabetes mellitus, hypertension, and black ethnicity.
Findings based upon 24 hours versus six days of antibiotics with percutaneous nephrolithotomy
A leading authority on kidney stones proposes that urban "heat islands" may contribute to a growing prevalence of kidney stones.
Patients with distal ureteral stones were 4 times more likely to be stone free if treated in the supine rather than prone position.
Stone-free rate and expulsion time did not differ significantly between alfuzosin and tamsulosin.
Researchers observe greater efficacy of extracorporeal shock wave lithotripsy at 90 rather than 60 pulses per minute.
Study demonstrates a benefit in patients with distal ureteric stones 5-10 mm in diameter.
But whether this could trigger cancer or other health issues remains unclear.
Having sex 3-4 times a week was associated with a significantly greater stone passage rate than tamsulosin or standard medical therapy.
Risk of postoperative complications increased for pediatric patients at non-high volume hospitals.
Unplanned clinical visits 15 times more likely among patients treated more than 45 days after diagnosis.
Patients with kidney or ureteral stones larger than 20 mm are 85% more likely be re-treated those those with stones smaller than 10 mm.
Flexible ureteroscopy achieved a stone-free rate nearly twice as high as that achieved with extracorporeal shock wave lithotripsy.
Study shows no racial disparity in the use of non-steroidal anti-inflammatory drugs.
Only 50% of patients adhered to their treatment regimen, with adherence rates varying by sex and geographic region.
Guidelines currently don't recognize gout as a risk factor for CKD and nephrolithiasis.
Meta-analysis finds a reduction in the risk of incident and recurrent kidney stones.
Among more than 128,000 patients discharged from emergency care, 11% had at least 1 additional emergency visit for kidney stone treatment.
They are more likely to have urinary tract infections and sepsis than urinary stone formers without inflammatory bowel disease.
The rate of stone passage was about 23% higher with silodosin compared with placebo.
New finding may explain reported associations between nephrolithiasis and cardiovascular disease.
Kidney stone patients might need closer monitoring for further signs of pending cardiovascular issues.
Positive stone cultures increase the odds of sepsis after percutaneous nephrolithotomy by nearly 7-fold.
Study finds no significantly elevated risk of coronary heart disease among men with a history of kidney stones.
Findings only in women without history of stones; no effect on reducing recurrent risk
After multivariate adjustment, risk of diabetes did not increase with Thiazide prophylaxis for nephrolithiasis.
Meta-analysis reveals a significantly increased risk of kidney stones only in male patients with kidney cancer.
Recommendations to prevent recurrent kidney stones include increased fluid intake to achieve a urine output of at least 2 liters per day.
During 6 years of follow-up, new stone formation increased significantly in the surgery patients.
Flexible ureterorenoscopy (f-URS) is safe and effective for removing kidney stones in patients with chronic kidney disease (CKD).
Higher daily mean temperatures are associated with an increased incidence of kidney stones.
Kidney stones may have a possible genetic link that can assist patients in acquiring a more specific diagnosis and treatment.
Fracture risk after urolithiasis highest among males aged 10 to 19 years and females aged 30 to 39 years.
Climate change could be associated with an increase in the incidence of kidney stones.
Hounsfield units and stone size predict a patient's odds that shock wave lithotripsy will completely clear kidney or ureteral stones.
Most stones patients do not need additional imaging with computed tomography, study finds.
A study revealed an increased risk of chronic kidney disease in patients with a cumulative stone size less than 20 mm.
Women and patients with a high comorbidity burden and complex kidney stones are at higher risk of serious adverse events.
Study also shows that hypocitraturia is more common in patients with multiple rather than single stones.
Guidelines developed for diagnosis and evaluation, prevention, and follow-up.
It also may provide an alternative to conventional fluoroscopy in guiding ureteroscopy for ureteral stones.
A history of nephrolithiasis was associated with a nearly 2-fold increased odds of chronic kidney disease in women.
Researchers found increasing use of ureteroscopy and decreasing use of shock wave lithotripsy.
Stones are associated with an increased risk of CVD, including coronary heart disease.
Higher intake of dietary fiber, fruits, and vegetables each is associated with a decreased kidney stone risk in postmenopausal women.
At its annual meeting, the American Urological Association provided details of its first guidelines for the medical management of urolithiasis.
In a study, the re-intervention rate was 11% for patients treated with shock wave lithotripsy versus 0.2% of those who had ureteroscopy.
It achieved a stone-free rate of 95% in patients with stones smaller than 2 cm.
Renal and Urology News Articles
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