STUDY OF THE LOWER URINARY TRACT OBSTRUCTION (V. Report)

RENAL CLEARANCE TEST OF THE LOWER URINARY TRACT OBSTRUCTION

Abstract

I. Clinical Study
1) Renal clearance studies (CSTS, CPAH and TmPAH) were performed on 19 cases of chronic lower urinary tract obstruction. The cases whose clearance had fallen more than 50 per cent of normal value were found in one-third of all cases by means of CSTS determination, in half by CPAH and in one-fourth by TmPAH respectively.
The clearance speed of PAH (Dost's Halbwertzeit) very often was delayed as much as over 35 minutes in patients with chronic lower urinary tract obstruction, compared to normal average of 22 minutes.
2) Renal clearance test about one month after prostatectomy, showed a fair improvement not only by TmPAH determination but also by CSTS in some cases.