Factors Associated with Outcomes of Percutaneous Transluminal Renal Angioplasty in Patients with Renal Artery Stenosis: A Retrospective Analysis of 50 Consecutive Cases

Table 1

Baseline characteristics. Data are described as “mean ± standard deviation,” or “number (percentage).” M: male; F: female; BMI: body mass index; IGT: impaired glucose tolerance; DM: diabetes mellitus; PSV: peak systolic velocity; RA: renal arteries; RI: resistive index; SBP: systolic blood pressure; DBP: diastolic BP; S-Cre: serum creatinine; eGFR: estimated glomerular filtration rate; proteinuria: patients who have uric protein ≥ ± or urinary albumin/creatinine ratio ≥ 30; chronic kidney disease: patients who have albuminuria or reduced eGFR (<60 mL/min/1.73 m²). Missing data in one of two cases with aortitis. The volume of iopamidol (300 mg iodine/mL).

	Atherosclerosis	Fibromuscular dysplasia	Aortitis	All subjects
Number (M/F)	42 (34/8)	6 (1/5)	2 (2/0)	50 (37/13)
Age (year)	68.0 ± 7.8	27.0 ± 11.2	28.5 ± 16.3	61.5 ± 17.2
BMI (kg/m^2)	23.3 ± 3.5	22.3 ± 0 2.2	21.4 ± 1.2	23.1 ± 3.3
IGT or DM (%)	21 (50)	0 (0)	0 (0)	21 (42)
Dyslipidemia (%)	27 (64)	1 (17)	0 (0)	28 (56)
Calcium channel blockers (%)	33 (79)	3 (50)	2 (100)	38 (76)
ACE inhibitor (%)	6 (14)	0 (0)	0 (0)	6 (12)
Angiotensin II type 1 receptor blocker (%)	12 (29)	1 (17)	0 (0)	13 (26)
Diuretics (%)	13 (31)	1 (17)	1 (50)	15 (30)
-Blockers (%)	14 (42)	2 (33)	2 (100)	18 (36)
-Blockers (%)	4 (10)	0 (0)	0 (0)	4 (8)
Stenosis rate (%)	(82)	(81)	(83)	(82)
Bilateral stenosis (%)	18 (43)	1 (17)	2 (100)	21 (42)
PSV of the affected RA (m/sec)	2.4 ± 0.9	2.3 ± 1.4	5.4 ± 2.4	2.5 ± 1.2
Renal/aorta ratio	2.6 ± 1.0	2.9 ± 1.4	4.1 ± 1.0	2.7 ± 0.9
RI (poststenotic site)	0.66 ± 0.10	0.47 ± 0.1	0.52	0.63 ± 0.12
PRA (ng/mL/hr)	4.7 ± 6.1	7.3 ± 7.5	4.2 ± 1.4	5.0 ± 6.1
PRA (log converted)	0.41 ± 0.51	0.71 ± 0.37	0.65 ± 0.15	0.45 ± 0.49
PAC (ng/dL)	16.6 ± 10.0	35.5 ± 49.8	14.2 ± 2.1	18.8 ± 19.4
SBP (mmHg)	153 ± 30	151 ± 8	159 ± 27	152 ± 28
DBP (mmHg)	80 ± 14	84 ± 8	86 ± 8	80 ± 13
Pulse Rate (/min)	67 ± 7	68 ± 7	72 ± 3	67 ± 7
S-Cre (mg/dL)	1.39 ± 0.66	0.59 ± 0.13	0.84 ± 0.23	1.28 ± 0.67
eGFR (mL/min/1.73 m^2)	47.2 ± 23.2	113.6 ± 34.7	99.2 ± 45.2	57.2 ± 34.1
eGFR (log converted)	1.63 ± 0.20	2.04 ± 0.13	1.97 ± 0.20	1.69 ± 0.24
Proteinuria (%)	24 (60) = 40	2 (40) = 5	0 (0)	26 (55) = 47
eGFR < 60 mL/min/1.73 m^2 (%)	31 (78) = 40	0 (0) = 5	0 (0)	31 (66) = 47
Chronic Kidney Disease (%)	36 (88) = 41	2 (40) = 5	0 (0)	38 (79) = 48
Dose of Contrast Medium (mL)	107.6 ± 41.4	102.3 ± 19.4	120	107.2 ± 38.7