Echocardiography in the diagnosis of Shone’s complex and analysis of the causes for missed diagnosis and misdiagnosis

Table 1 Characteristics of the patients (n = 66)

Characteristics	Median (range) / n (%)
Age (yr)	2.7 (0.8-5.6)
Sex (male)	36 (54.5%)
Cesarean section	20 (30.3%)
History of heart surgery	10 (15.2%)
Shone’s complex
ALMR	50 (75.8%)
CoA	43 (65.2%)
subAS	25 (37.9%)
PMV	20 (30.3%)
Other defects
PDA	30 (45.5%)
VSD	24 (36.4%)
MS	23 (34.8%)
MR	18 (27.3%)
BAV	18 (27.3%)
AS	13 (19.7%)
HAA	11 (16.7%)
supraAS	8 (12.1%)

ALMR: Annulo-Leaflet mitral ring; CoA: Coarctation of the aorta; subAS: Subaortic stenosis; PMV: Parachute mitral valve; PDA: Patent ductus arteriosus; VSD: Ventriculap septal defect; MS: Mitral stenosis; MR: Mitral regurgitation; BAV: Bicuspid aortic valve; AS: Aortic stenosis; HAA: Hypoplastic aortic arch; supraAS: Supra-aortic stenosis.