The Differences in Clinical Characteristic and Outcomes of New Onset Typical versus Atypical Right Branch Bundle Block in Acute Myocardial Infarction

Table 3

Coronary artery characteristics and PCI difference between TRBBB and ATRBBB groups.

Values	TRBBB group (n = 104)	ATRBBB group (n = 120)	value
IRA (%)			<0.001
LM	0	0
LAD	24.0	90
RCA	76.0	10
LCX	0	0
Numbers of vascular lesions (%)			<0.001
1-vessel	72.1	35.0
2-vessel	13.5	36.7
3-vessel	14.4	28.3
IRA proximal occlusion (%)	98.1	97.5	0.388
IRA anterior TIMI0/1 (%)	84.6	80.0	0.245
Emergency PCI	92.4	90.0	0.245

Values are given in %. IRA: infraction related artery; LM: left coronary artery; LAD: left anterior descending coronary artery; RCA: right coronary artery; LCX: left circumflex coronary artery; TIMI: thrombolysis in myocardial infarction; PCI: percutaneous coronary intervention. Statistical value.