MATERIALS AND METHODS Twenty-four patients admitted during the past 3 years to the
Barnes Hospital, the St. Louis City Hospital, and the three University Hospitals in Denver …

Massive diuresis after relief of urinary tract obstruction has been divided into 3 categories: 1)
salt, 2) urea and 3) water. Measurements of the urinary electrolytes and urine osmolality …

The removal of an obstruction in the lower urinary tract is followed ultimately by a reversal of
the disturbances of renal function attendant upon the obstruction, provided that the …

Plasma concentrations of sodium, potassium, chloride, CO2, combining power, urea, and,
on occasion, calcium and phosphate have been determined before and after urethral or …

A new approach to the classification of disorders of urinary concentration and dilution is
recommended based on recent studies of how the kidney elaborates a urine of widely …

Observations have been described on four patients in whom an abnormality in renal function
developed in association with mechanical obstruction of the urinary tract. Clinically, the …

This report comprises the results of the study of 74 patients, Yith urinary retention due to
obstruction at the vesical neck. The blood pressure changes occurring during the hospital …

METHODS Patients on the urology and medical services were studied, with their full
knowledge and consent, as soon as possible after confirmation of the presence of an …

METHODS During the past 5 years all patients admitted to the urology service following
urethral catheterization, suprapubic cystostomy or nephrostomy for the relief of essentially …

Obstruction in the urinary tract logically tends to result in a more or less sudden cessation of
urine flow. When it lasts long enough, the kidneys are destroyed by backpressure (1). When …