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Table 1 Characteristics of patients with primary bladder neck obstruction and renal failure

From: Primary bladder neck obstruction is one of the rare causes for renal failure in young adult males

Patient no Age Symptom PdetQmax (cm H2O) Qmax (ml/s) Qave (ml/s) PVR (ml) Serum creatinine (mg/dl) Treatment
1 27 Difficult voiding, frequency 69 11 6 150 1.70 α-blocker
2 20 Difficult voiding, intermittent flow 75 12 7 140 Hemodialysis Bladder neck incision
3 21 Frequency, inadequate emptying 58 8 5 180 1.93 α-blocker
4 39 Urgency, frequency, difficult voiding 70 6 3 140 2.01 α-blocker
5 33 Difficult voiding 10 6 130 1.82 α-blocker
6 29 Urgency, difficult voiding 66 11 7 90 2.4 α-blocker
7 33 Urgency, frequency, difficult voiding 9 5 110 2.2 α-blocker
  1. PdetQmax: detrusor pressure at maximum flow rate; Qmax: maximum flow rate; Qave: average flow rate; PVR: post-void residual urine