Abstract
Since 1933 investigating upon bacterial infections in urolithiasis Staphylococcus, Escherchin Coli and Froteus were isolated from that urine numerously. On half the number of which were treated surgically, pyelonephritis or cystitis remained after operation(lithotomy).
We have to turn out attention to these diseases which might be develope chronic pyelonephritis and renal hypertension.