alexa Cardiac function in fetuses and newborns exposed to low-dose aspirin during pregnancy.



Author(s): Di Sessa TG, Moretti ML, Khoury A, Pulliam DA, Arheart KL,

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Abstract OBJECTIVE: Our purpose was to evaluate cardiac function in fetuses exposed to low-dose aspirin. STUDY DESIGN: To assess its efficacy in preventing preeclampsia, 60 mg/day aspirin or a matching placebo was administered to women in a double-blind fashion during the second and third trimesters. As a part of this study, 146 echo Doppler studies were performed on 63 fetuses from 15 to 40 weeks' gestation. These studies allowed assessment of systolic and diastolic cardiac function. Cardiac function was also assessed in 87 neonates. RESULTS: Throughout gestation ductus arteriosus flow velocity, right ventricular output and diastolic area, and left ventricular output and diastolic area all increased and were similar in both aspirin- and placebo-exposed fetuses. Fetal diastolic flow velocities were also alike in both groups. The two groups had similar gestational ages at delivery (39.2 +/- 2.3 vs 38.7 +/- 2.7 weeks) and birth weights (3174 +/- 575 vs 3105 +/- 579 gm, respectively). Furthermore, there was no difference in fractional shortening, cardiac output, prevalence of tricuspid regurgitation, or patency of the ductus arteriosus at birth between the two groups. CONCLUSION: The circulation of fetuses and newborns is not affected adversely by exposure to low-dose aspirin during gestation.
This article was published in Am J Obstet Gynecol and referenced in Dentistry

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