ELEVATED BLOOD UREA NITROGEN: AN AID TO THE DIAGNOSIS OF INTRAPERITONEAL RUPTURE OF THE BLADDER PRAVIN M. SHAH, KYU-HWAN KIM, GERHART RAMIREZ-SCHON AND BENEDICT M. REYNOLDS From the Department of Surgery, Misericordia-Lincoln Affiliation, Lincoln Hospital, Bronx, New York
ABSTRACT
A retrospective analysis was done on 18 patients with bladder rupture. At the time of hospitalization 9 patients with extraperitoneal rupture had an average blood urea nitrogen of 14.2 ± 2.2 mg. per cent, which did not vary from the normal laboratory value of 14.5 ± 7.4 mg. per and 9 µau"""'"' with intra.peritoneal rupture had an average blood urea nitrogen of 29.9 ± 7.6 mg. per cent, which was ""f,'""'-·