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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