Cardiac left heart morphology and function in newborns with intrauterine growth restriction: relevance for long-term assessment.

AIM: To asses the cardiac morphology and functional changes specific for newborns from intrauterine growth restriction (IUGR) pregnancies.

MATERIAL AND METHOD: A cohort of IUGR infants were evaluated by serial echocardiographies at delivery and at the first and six months follow-ups. IUGR newborn delivery status was compared to that of newborns in the control group according to gestational age (AGA).

RESULTS

Left heart measurements were significantly lower in IUGR newborns compared to AGA babies. Left ventricular size increased at follow-up inthe IUGR group (p<0.05). Systolic dysfunction (the myocardial performance index (MPI)> 0.47) was identified in 40% of the neonates in the IUGR group (16/40), respectively 4.76% in the control group. IUGR neonates had a significantly increased proportion of systolic malfunction (p=0.004).

CONCLUSION

IUGR patients had reduced left ventricle dimensions compared to AGA babies. The MPI stands out as a marker of leftheart function in newborns. Systolic dysfunction was a hallmark of the cardiac adaptation in IUGR neonates.