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.
High and low body mass index are can cause renal hematoma for patients undergoing extracorporeal shock wave lithotripsy.
Vitamin D supplementation increased the risk of hypercalcemia and hypercalciuria but did not increase the risk of kidney stones.
Serum uric acid levels of 10 mg/dL or higher are associated with an increased risk for nephrolithiasis.
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