Table 1.

Patient characteristics and intrapelvic pressures during flexible ureteroscopy.

Patient	Treatment	Stone Burden (mm3)	Stone Type	Pre-Stented	Fibre Size (µm)	UAS Size (Fr)	IPP (cmH2O)
							Baseline	UAS	Scope	Therapeutic Period	Maximum Pressure Peak
1	Lithotripsy	9000	Cystine	Yes	200	10/12	47.6	44.6	40.8	54.4	163
2	Lithotripsy	7500	Infective	No	200	10/12	20.4	21.3	68	68	197
3	Lithotripsy	3190	Infective	No	200	10/12	16.3	20.4	27.2	68	176.7
4	Lithotripsy	864	Carbapatite	No	200	10/12	16.3	18.2	19	27.2	54.4
5	Pyeloureteral junction syndrome			No			13.6	30 (furosemide)
6	Lithotripsy	3000	Cystine	Yes	272	10/12	13.6	15	81.6	136	238
7	Upper tract urinary tumour (diagnosis)			No			15	No	30	No	15
8	Lithotripsy	6000	OCD	Yes	200	10/12	20.4	27.2	61.2	149.5	236.6
9	Upper tract urinary tumour (treatment)			No	272	No	15	No	15	No	34
10	Lithotripsy	864	OCM	No	200	12/14	21.8	24.5	51.7	110.1	171.3
11	Lithotripsy	4000	OCD	No	200	10/12	13.6	13.6	31.3	54.4	99.2
12	Lithotripsy	5410	OCD	No	150	10/12	12.2	16.3	47.6	117	156.3
13	Lithotripsy	740	Mixed	No	200	10/12	12.2	13.6	20.4	70.7	122.4
14	Lithotripsy	270	OCD	No	200	No	13.6	No	64	93.8	206.4
15	Lithotripsy	260	OCM	No	150	10/12	13.6	13.6	45	54.4	163.1
16	Lithotripsy	50	OCM	No			6.8	No	6.8	No	26.4
17	Lithotripsy	550	Brushite	Yes	150	12/14	13.6	13.6	27.2	34	84.3
18	Lithotripsy	431	OCM	No	200	No	9.5	No	21.8	61.2	102
19	Lithotripsy	4000	OCD	No	150	10/12	9.5	8.1	34	61.2	119.6
20	Lithotripsy	658	OCD	Yes	150	10/12	15.0	17.6	27.2	34	69.3

OCD: oxalate calcium dehydrate. OCM: oxalate calcium monohydrate.