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Reversible fetal hydrops associated with indomethacin use
L Pratt1, J Digiosia, J N Swenson
1Department of Obstetrics and Gynecology, University of Wisconsin-Madison, 53715, USA.
Background:
Ductus arteriosus constriction is a known complication of exposure to indomethacin in utero. Nonimmune hydrops associated with indomethacin use has been reported in only six cases, all twins over 32 weeks' gestation.
Case:
We present a case of fetal hydrops associated with tricuspid regurgitation and ductal constriction developing within 30 hours of instituting indomethacin tocolysis in a 28-week singleton gestation. Discontinuation of indomethacin resulted in partial resolution of these findings 72 hours later. A normal infant was delivered subsequently.
Conclusion:
Ultrasonographic screening for signs of constriction of the ductus arteriosus should be done within 48 hours of instituting indomethacin therapy at any gestational age.