Atypical Causes of Urinary Tract Obstruction

Table 1

Characteristics of patients with UTO.

Patient #	1	2	3	4
Peak creatinine (mg/dL)	18.2	35.92	31.4	17.3
BUN (mg/dL)	85	148	187	86
Lowest creatinine at recovery (mg/dL)	0.92	1.06	1.31	1.6
Cause	Bilateral ureteral obstruction	Urethral obstruction	Bladder outlet obstruction	Endometriosis
Pathology findings	Plasmacytomas	Prostate adenocarcinoma	Benign prostatic hyperplasia	Endometriosis
Management	Percutaneous nephrostomy and chemotherapy	Bladder catheterization	Bladder catheterization	Hysterectomy, hormonal therapy, hemodialysis
DDAVP given	Y	N	N	N/A
Days to lowest creatinine	51	1	5	44
Peak serum potassium (mmol/L)	6.4	7.9	7.4	6.0
pH	7.25	7.12	7.18	7.33
Bicarbonate (mmol/L)	17.1	10.4	10	17
pCO2 (mmHg)	42.7	33.5	20.8	32.8