Table 1.

Arterial pressure and preoperative radiological examinations in the hydronephrotic group

Age at time of surgery (years)	Operation	APDAY (Pre)	APNIGHT (Pre)	APDAY (Post)	APNIGHT (Post)	MAG3 (Pre)	RPAD (Pre)	Sex
1	Open pyeloplasty Left (Lt)	108/86	112/76	103/66	93/55	–	–	Male
3a	Laparoscopic pyeloplasty Lt	111/65	98/54	105/65	98/54	47% IIIb Lt	18 mm	Male
4a	Open pyeloplasty Right (Rt)	116/72	90/54	101/56	92/50	46% II Rt	26 mm	Male
5	Open pyeloplasty Rt	129/76	104/64	121/75	104/57	34% IIIb Rt	22 mm	Male
5	Open pyeloplasty Lt	100/85	100/65	100/85	93/62	42% II Lt	45 mm	Male
6	Open pyeloplasty Lt	107/67	97/60	104/64	100/59	45% II Lt	37 mm	Male
6a	Laparoscopic pyeloplasty Lt	105/67	98/66	105/62	92/48	50% II Lt	15 mm	Male
7a	Laparoscopic pyeloplasty Rt	119/77	102/52	110/61	102/54	35% IIIb Rt	25 mm	Male
9a	Laparoscopic pyeloplasty Lt	115/67	95/61	112/68	101/60	55% II Lt	40 mm	Male
11	Open pyeloplasty Lt	108/68	99/59	103/66	94/56	27% IIIb Lt	15 mm	Male
11	Open pyeloplasty Rt	120/79	106/67	113/71	105/60	47% II Rt	35 mm	Male
11a	Laparoscopic pyeloplasty Rt	116/65	108/58	115/72	104/53	49% II Rt	15 mm	Male
12a	Laparoscopic pyeloplasty Lt	116/72	101/61	124/71	113/59	49% II Lt	29 mm	Female
12a	Laparoscopic pyeloplasty Lt	124/73	116/62	121/71	104/57	50% IIIb Lt	40 mm	Male
12	Open pyeloplasty Rt	154/88	138/75	114/58	110/58	11%/ II Rt	35 mm	Male

AP_DAY (Pre), Average arterial pressure (systolic/diastolic values) daytime preoperatively; AP_NIGHT (Pre), average arterial pressure (systolic/diastolic values) nighttime preoperatively; AP_DAY (Post), average arterial pressure (systolic/diastolic values) daytime postoperatively; AP_NIGHT (Post), average arterial pressure (systolic/diastolic values) nighttime postoperatively; MAG3 (Pre), preoperative evaluation of bilateral renal function by mercaptoacetyltriglycine (MAG3) scintigraphy; RPAP (Pre), renal pelvis anterioposterior diameter according to the preoperative ultrasound

^aUrine and plasma samples were collected before and 6 months after surgery