Persistent long-term subclinical myocardial changes in multisystem inflammatory syndrome in children revealed by cardiac magnetic resonance and galectin-3

Table 2 Coronary artery dimensions and left ventricular ejection fraction assessed by 2D-echocardiography during acute presentation of multisystem inflammatory syndrome in children

LMCA diameter in mm (Z score)	LAD diameter in mm (Z score)	LCx diameter in mm (Z score)	RCA diameter in mm (Z score)	EF (%) (low: < 55%)
1.91 mm (-0.46Z)	2.12 mm (+0.03Z)	NA	2.1 mm (+0.21Z)	52
2.8 mm (-0.12Z)	2 mm (-0.5Z)	2.2 mm (-0.59Z)	2.4 mm (-0.33Z)	55
2.43 mm (+0.76Z)	2.01 mm (+0.24Z)	NA	1.88 mm (-1.41Z)	30
2.89 mm (-0.45Z)	2.45 mm (+0.13Z)	1.86 mm (-0.82Z)	2.37 mm (-0.85Z)	40
5.2 mm (+4.15Z)	3 mm (1.17Z)	NA	5 mm (+5.49Z)	35
2.5 mm (+0.3Z)	2 mm (+0.5Z)	1.5 mm (-0.63Z)	2.3 mm (+0.49Z)	50
2.8 mm (-0.62Z)	2.6 mm (+0.5Z)	1.01 mm (-2.02Z)	2.98 mm (+0.43Z)	55
3.3 mm (+2.96Z)	1.6 mm (-1.11Z)	NA	2.6 mm (+0.58Z)	35
2.30 mm (-1.5Z)	1.94 mm (-0.86Z)	1.86 mm (-0.97Z)	2.33 mm (-0.72Z)	60
2.6 mm (-1.21Z)	2.4 mm (-0.11Z)	2.1 mm (-0.63Z)	2.5 mm (-0.71Z)	55
2.17 mm (-0.75Z)	1.98 mm (+0.18Z)	2.11 mm (+0.98Z)	2.47 mm (+0.64Z)	55
3.3 mm (+1.94Z)	3.1 mm (+3.86Z)	2.6 mm (+1.62Z)	2.8 mm (+2.3Z)	30

Z-scores were calculated using Dallaire’s equations. Ejection fraction < 55% was considered reduced. EF: Ejection fraction; RCA: Right coronary artery; LMCA: Left main coronary artery; LAD: Left anterior descending artery; LCx: Left circumflex artery; NA: Not available.