Kidney Stone Urinary Excretion. Taylor en mount db forman jp curhan gc. We performed a cross sectional study of 24 h urine excretion and the risk of kidney stone formation in 3350 men and women of whom 2237 had a history of nephrolithiasis.
Computer programs that calculate saturation from concentrations of various elements in the urine and the urinary ph are now available e g both quest diagnostics and litholink are commercial laboratories that measure urine ion excretion and calculate supersaturation and more accurately determine the risk of stone formation. 24 h uric acid excretion and risk of kidney stones. Most kidney stones form on the interior surface of the kidney where urine leaves the kidney tissue and enters the urinary collecting system.
Urinary excretion of excess sulfurous amino acids e g cysteine and methionine uric acid and other acidic metabolites from animal protein acidifies the urine which promotes the formation of kidney stones.
Most kidney stones form on the interior surface of the kidney where urine leaves the kidney tissue and enters the urinary collecting system. Low urinary citrate excretion is also commonly found in those with a high dietary intake of animal protein whereas vegetarians tend to. Most kidney stones form on the interior surface of the kidney where urine leaves the kidney tissue and enters the urinary collecting system. 24 h uric acid excretion and risk of kidney stones.