Table 1.

The main morphological features of HLHS.

Inclusion criteria	Exclusion criteria	Potential divergences
Hypoplasia of LV and its outflow tract Spectrum of CHD with underdevelopment of the LV and LVOT, together with normally aligned great arteries	Discordant atrioventricular or ventriculoarterial connections or double outflow tracts Common atrioventricular junction	Intact ventricular septum Ventricular septal defect