Table 2 Anatomic features of right-ACAOS with IAC on CCTA.

From: Anomalous origin of the right coronary artery with interarterial course: a mid-term follow-up of 28 cases

 

All patients (n = 28)

Proximal vessel morphology, n (%)

Oval (< 50% narrowing)

aSlit-like (≥ 50% narrowing)

18 (64.3)

10 (35.7)

Length of narrowing, mm

20.9 (10.5–24.5)

aAcute take-off angle < 45º, n (%)

22 (78.6)

Intramural segment, n (%)

Not present

aPresent

19 (67.9)

9 (32.1)

Take-off level above STJ, n (%)

18 (64.3)

Take-off type

Separate ostia

Shared ostia

23 (82.1)

5 (17.9)

Any CAD > 50% stenosis, n (%)

3 (10.7)

  1. CAD coronary artery disease, CCTA coronary computed tomography angiography, IAC interarterial course, STJ sinotubular junction.
  2. aHigh risk features according to published literature.
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