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Table 1 The baseline characteristics and outcomes of high-pressure balloon dilatation (HPBD) of primary obstructive megaureters (POM) in the studies included in the current review

From: High-pressure balloon dilatation of primary obstructive megaureter in children: a systematic review

Study

n patients

Boys/girls (n)

Laterality of POM left/right/bilateral

Age at first HBPD, mean or median (range)

Length of follow-up, mean or median (range)

Mean AP diameter pre/post operatively (mm)

Mean ureteral diameter pre/post operatively (mm)

Mean Tœ (min) pre/post operatively

Mean DRF (%) pre/post operatively

Complications C–D grade 1/2/3/4/5

Destro et al. [16]

30

21/9

20/9/1

Mean 3.6y (0.4–12.2)

Mean 3.3y

NA

16/7.9

NA

NA

1/1/1/0/0

García-Aparicio et al. [18]

20

15/5

12/6/2

Mean 14.18 mo (3–103)

Mean 49 mo (14–80)

24.2/6

15/6.6

NA

NA

NA

Christman et al. [15]

17

10/7

13/4/0

Mean 7.0y (3–12)

Mean 3.2y (2–6.5)

NA

NA

NA

36/NA

NA

Casal Beloy et al. [13]

13

7/6

8/5/0

Mean 9.46 mo, median 9 mo (2–24)

Mean 10.3y, median 10.3y (4.7–12.2)

19.5/8.9

14.7/5.1

80.3/9

50/50

0/4/2/0/0

Torino et al. [22]

12

8/4

9/3/0

Mean 23.5mo, median 14.5mo (5–61)

Median 16.5mo (15–30)

NA

15.9/7.1

NA

NA

0/0/0/0/0

Kassite et al. [19]

33

27/6

16/26/9

Median 14.7mo (3mo–15 yr)

NA

16.7/6

15.3/5.3

NA

NA

0/11/10/0/0

Romero et al. [21]

29

18/11

16/10/3

Median 4.03 mo (1.6–39 mo)

Median 47 mo

18.6/6.6

14.7/8.5

NA/9.2

30/NA

0/5/6/0/0

Angerri et al. [10]

7

6/1

6/1/0

Mean 14.4 mo (5–34)

Mean 31 mo (12–56)

NA

NA

56/30

36/38

0/1/1/0/0

Ortiz et al. [20]

73

58/15

51/22/6

Median 4 mo (0.5–44)

Mean 6.4 y (2.6–10.2)

19.2/10.3

14.9/9.2

NA/9.8

44.4/46.2

0/5/31/0/0

Capozza et al. [12]

12

8/4

8/4/0

Mean 8 mo (6–12mo)

Mean 21mo (2–44mo)

NA

19.4/9.5

NA

NA

0/0/0/0/0

Faraj et al. [17]

42

36/6

30/8/4

Median 12.5 mo (2–128)

Median 35.5mo (12–101)

19.1/13.6

15.7/12.1

NA

54/47

5/3/5/0/0

Chiarenza et al. [14]

38

33/5

24/15/0

Median 23mo (3mo–5.5y)

Median 6.5y (12mo–14y)

NA

NA

NA

NA

NA

Bujons et al. [11]

19

16/3

10/8/1

Mean 17mo (1–44mo)

Mean 6.9y (3.9–13.3 y)

21/4.6

18.1/4.3

69.6/16.5

41.2/41.5

0/0/0/0/0

  1. The means estimated from the medians and ranges were used in the outcomes were appropriate.
  2. NA, not available; DRF, differential renal function; AP, anteroposterior diameter of the renal pelvis; TÂœ, washout half time; C–D, Clavien–Dindo [23] classification of surgical complications