COMPARATIVE STUDY
JOURNAL ARTICLE

Comparison of strain rate imaging for quantitative evaluation of regional left and right ventricular function after surgical versus percutaneous closure of atrial septal defect

Giovanni Di Salvo, Manuela Drago, Giuseppe Pacileo, Marianna Carrozza, Giuseppe Santoro, Maurizio Cappelli Bigazzi, Pio Caso, Maria Giovanna Russo, Mario Carminati, Raffaele CalabrĂ³
American Journal of Cardiology 2005 July 15, 96 (2): 299-302
16018860
For the first time, peak systolic strain and strain rate (SR) were used to assess right ventricular (RV) and left ventricular (LV) regional function in children after transcatheter and surgical atrial septal defect (ASD) closure. Fifteen patients with successful ASD device closure (the ASD-D group, mean age 9 +/- 3 years), 15 age- and gender-matched patients with successful ASD surgical closure (the ASD-S group, mean age 9 +/- 3 years), and 15 age- and gender-matched controls were enrolled. Regional RV and LV longitudinal function was significantly reduced in the ASD-S group compared with controls in all the studied segments. The ASD-D group presented significantly (p <0.001) reduced strain and SR values only on the basal and mid segments of the septal wall compared with controls. In the ASD-D group, only the RV basal segment showed significantly (p <0.001) reduced strain and SR values compared with controls but significantly greater values than those measured in the ASD-S group. SR imaging indexes could provide new, noninvasive, clinically relevant insight into regional changes in RV function and support the transcatheter approach to ASD for its less negative impact on RV and LV function.

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