A prospective randomized comparison of left and right radial approach for percutaneous coronary angiography in Asian populations

Figures & data

Table 1 Baseline characteristics

	RRA (n=700)	LRA (n=700)	P-value
Age (years)	62±10	61±10	0.71
Male	419 (60%)	401 (57%)	0.33
Height (cm)	165±8	165±8	0.67
Weight (kg)	71±12	70±11	0.64
BMI (kg/m^2)	25.7±4.2	25.7±3.6	0.89
Creatinine (μmmol/L)	65.8±15.8	66.5±18.0	0.61
Hypertension	473 (68%)	464 (66%)	0.61
Diabetes mellitus	197 (28%)	197 (28%)	1.00
Dyslipidemia	320 (46%)	311 (44%)	0.63
Currently smoking	249 (36%)	235 (34%)	0.43

Note: Data are expressed as the mean ± standard deviation or number (%).

Abbreviations: RRA, right radial approach; n, number; LRA, left radial approach; BMI, body mass index.

Figure 1 Flow diagram of the study.

Notes: Comparison between the left and right radial approaches for coronary angiography. In 1,362 of the 1,400 randomized patients, a coronary angiography was performed successfully.
Abbreviation: n, number.

Table 2 The details of the catheter used

	RRA (n=682)	LRA (n=680)
Judkins R 3.5, 5 F	623	658
Judkins L 3.5, 5 F	627	657
Judkins R 4.0, 5 F	57	27
Judkins L 4.0, 5 F	66	45
Judkins L 5.0, 5 F	1	1
Amplatz R 1, 5 F	6	14
Amplatz L 1, 5 F	9	11
Radial TIG, 5 F	44	35

Notes: Judkins (Cordis Corporation, Bridgewater Township, NJ, USA); Amplatz (Cordis Corporation); Radial TIG (Terumo Corporation, Tokyo, Japan).

Abbreviations: RRA, right radial approach; n, number; LRA, left radial approach; R, right; F, French; L, left; TIG, Tiger.

Table 3 Procedural characteristics of coronary angiography

	RRA (n=682)	LRA (n=680)	P-value
Radial cannulation time (minutes)	3.5±2.8	3.2±2.4	0.10
Coronary time (minutes)*	1.9 (1.4, 3.0)	1.7 (1.2, 2.9)	0.001
Time to diagnosis (minutes)	5.8±3.4	5.6±3.4	0.27
Total procedural time (minutes)	14.1±6.3	13.2±6.0	0.006
CAK (mGy)	320±205	302±173	0.09
CAK DAP (Gycm^2)	28±20	26±17	0.13
Fluoroscopy time (minutes)	3.8±3.3	3.4±2.8	0.046
Contrast volume (mL)	63±14	62±17	0.29
Hydrophilic wire use	96 (14%)	67 (10%)	0.016
Number of catheters	2.1±0.4	2.1±0.4	0.69

Note: Data are expressed as the mean ± standard deviation, or *median (25th percentile and 75th percentile), or number (%).

Abbreviations: RRA, right radial approach; n, number; LRA, left radial approach; CAK, cumulative air kerma; CAK DAP, cumulative air kerma dose area product.

Table 4 Vascular complications

	RRA (n=682)	LRA (n=680)	P-value
Radial artery spasm	25 (3.6%)	23 (3.4%)	0.78
Lose of radial artery pulse	14 (2.1%)	10 (1.5%)	0.41
Forearm hematoma	3 (0.4%)	1 (0.1%)	0.62
Puncture site bleeding	13 (1.9%)	11 (1.6%)	0.69
Arteriovenous fistula	0 (0%)	0 (0%)	1.00
Pseudoaneurysm	0 (0%)	0 (0%)	1.00
Symptomatic stroke	1 (0.15%)	0 (0%)	1.00

Note: Data are expressed as number (%).

Abbreviations: RRA, right radial approach; n, number; LRA, left radial approach.