Clinical Study

Residual Right Coronary Artery Stenosis after Left Main Coronary Artery Intervention Increased the 30-Day Cardiovascular Death and 3-Year Right Coronary Artery Revascularization Rate

Table 1

Baseline characteristics and clinical status between the two groups.

Without RCA intervention N = 61 (%)With RCA intervention N = 174 (%) value

Age (years), mean69.39 ± 9.6867.10 ± 10.580.138
Body weight (kg), mean63.93 ± 9.8566.17 ± 11.550.178
Male46 (75.4%)132 (75.9%)0.943
Diabetes mellitus42 (68.9%)100 (57.5%)0.118
Hypertension46 (75.4%)148 (85.1%)0.088
Current smokers10 (16.4%)42 (24.1%)0.210
Hyperlipidemia35 (57.4%)111 (63.8%)0.374
Chronic kidney disease40 (65.6%)94 (54%)0.117
Hemodialysis5 (8.2%)13 (7.5%)0.787
Previous stroke15 (24.6%)24 (13.8%)0.051
Previous myocardial infarction14 (23.0%)27 (15.5%)0.188
Previous coronary artery disease25 (41.0%)64 (36.8%)0.560
Peripheral artery disease8 (13.1%)11 (6.3%)0.094
LVEF <40%8 (13.6%)17 (10.2%)0.477
Atrial fibrillation history1 (1.6%)8 (4.6%)0.453
Warfarin or NOAC use0 (0%)2 (1.1%)1.0
Acute NSTEMI15 (24.6%)56 (32.2%)0.266
Respiratory failure6 (9.8%)12 (6.9%)0.458
Ventricular arrhythmia3 (4.9%)4 (2.3%)0.380
IABP10 (16.4%)26 (14.9%)0.787
Temporary pacemaker1 (1.6%)5 (2.9%)1.000
UGI bleeding4 (6.6%)6 (3.4%)0.290
Hospital stay (mean)13.07 ± 22.679.74 ± 12.630.280
Hospital stay (median)6 (3–14)6 (4–9)0.528

Data are presented as the mean ± standard deviation, n (%), and median (IQR). Fisher’s exact test. IABP = intra-aortic balloon pump; LVEF = left ventricular ejection fraction; RCA = right coronary artery; NOAC = novel oral anticoagulants; NSTEMI = non-ST-elevation myocardial infarction; and UGI = upper gastrointestinal bleeding.