Table 1.

Pelvic pressure during ureteroscopy

Patient No	Baseline	Period 1	Therapeutic period	Maximum pressure peak
1	8	40	64	101
2	8	38	51	86
3	10	21	25	83
4	11	30	52	104
5	8	45	59	280
6	13	35	80	328
7	10	18	22	90
8	12	14	42	114
9	14	59	65	233
10	9	53	75	226
11	9	23	37	96
12	8	44	76	115
Mean, patient 1–12	10(±4.0)	35(±10)	54(±18)	155(±83)

mmHg. Mean values.