Abstract
TAPSE and MAPSE are indirect indicators of the longitudinal contractility of right and left ventricle. The evolution of TAPSE in hemodynamically healthy fetuses throughout gestation is well known, but there is less information about MAPSE and the relation between both values during fetal life, as well as its evolution in the neonate hemodynamically stable. Our aim was to evaluate TAPSE, MAPSE and TAPSE / MAPSE in hemodynamically normal fetuses throughout gestation and its changes from birth to 30 days postnatal life. We retrospectively studied 609 different 12- to 39-week pregnancies (media 26,4 wk) with M-Mode echocardiography. The values of TAPSE, MAPSE and TAPSE/MAPSE were determined. The 609 fetuses were cardiologically healthy and of normal weight for gestational age. In the postnatal period, 45 of these patients were studied, with an average of 2 days of age. The mean values of TAPSE, MAPSE and TAPSE/MAPSE were respectively: for fetuses <20 wks: 3.3; 1.4 and 2.5; for fetuses 20-24 weeks: 5.1; 3.7 and 1.5; for fetuses 25-29 weeks: 6.1; 4,5 and 1,4; for fetuses 30-34 weeks: 7; 5.3 and 1.4; for fetuses ≥ 35 weeks: 8.4; 6 and 1.5; for newborns: 8,6; 5.3 and 1.7.
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