Right Coronary Artery Originating from the Left: Do Not Miss the Diagnosis!

Table 2

Baseline patient characteristics.

	All ACAOS ()	RCA from LCS ()	Others ()
Age (years), mean ± SD	60 ± 13.7	55.9 ± 17.1	63.6 ± 9.2
Male, n (%)	24 (69)	9 (56)	15 (79)
Diabetes mellitus, n (%)	4 (11)	2 (13)	2 (11)
Current or prior smoker, n (%)	20 (57)	9 (56)	11 (58)
Hypertension, n (%)	19 (54)	9 (56)	10 (53)
Hyperlipidemia, n (%)	10 (29)	7 (44)	3 (16)
Family history early CAD, n (%)	3 (9)	3 (19)	3 (16)

ACAOS: anomalous origination of a coronary artery from the opposite sinus; CAD: coronary artery disease; LAD: left anterior descending; LMCA: left main coronary artery; LCS: left coronary sinus; LCx: left circumflex; RCA: right coronary artery; RCS: right coronary sinus; others include LCx from RCS or proximal RCA (), LMCA from RCS (), LCx from RCA and LAD from RCS (), LAD from RCS (), and RCA from LAD ().