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Table 3 HN-related diagnoses, number of patients who required surgery, and surgical interventions among patients with mild, moderate, and severe prenatally-diagnosed HN

From: Association between severity of prenatally diagnosed hydronephrosis and receipt of surgical intervention postnatally among patients seen at a fetal-maternal center

HN severity

HN-related diagnoses*

Total kidneys

n

Kidneys requiring surgery

n

Surgical intervention

Surgery type

n

Mild

UPJ obstruction

8

3

Pyeloplasty

3

Ureterocele

2

1

Ureterocele incision, ureteral reimplantation, bladder neck reconstruction

1

VUR

3

0

Transient

35

Total

47

4

Moderate

UPJ obstruction

13

7

Pyeloplasty

7

Ureteroureterostomy

1

VUR

5

2

Ureteral reimplantation

2

Ureterocele

2

1

Nephroureterectomy

1

Transient

19

Total

38

10

Severe

UPJ obstruction

25

21

Pyeloplasty

17

Partial nephrectomy

3

Cutaneous ureterostomy

1

Vesicostomy

1

PUV

4

4

Valve ablation

4

Ureterocele

4

2

Ureterocele incision

2

VUR

3

3

Vesicostomy

2

Ureteral reimplantation

1

UVJ obstruction

2

2

Ureteral reimplantation

2

Megaureter

1

1

Circumcision

1

Transient

10

Total

46

30

  1. *Patients may have more than 1 diagnosis and may have undergone more than 1 type of surgical intervention