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Pulmonary edema during ritodrine tocolysis--a case report
1Department of Obstetrics & Gynecology, Chang Gung Memorial Hospital, Taipei, Taiwan, R.O.C.
Changgeng Yi Xue Za Zhi
|September 1, 1990
Summary
Maternal pulmonary edema can occur late after ritodrine and dexamethasone treatment for preterm labor. Fluid overload is a likely cause, with rapid recovery after delivery.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Critical Care Medicine
Background:
- Premature uterine contractions and fetal lung immaturity are managed with medications like ritodrine and dexamethasone.
- Ritodrine, a beta-2 adrenergic agonist, can have cardiovascular side effects.
- Dexamethasone is used to accelerate fetal lung maturity.
Observation:
- A case of a pregnant patient developed late-onset maternal pulmonary edema.
- Treatment involved intravenous ritodrine and dexamethasone for preterm labor and fetal lung maturity.
- Swan-Ganz catheterization revealed normal pulmonary capillary wedge pressures.
- Two-dimensional echocardiography indicated good ventricular function.
Findings:
- The patient experienced pulmonary edema as a late complication of ritodrine and dexamethasone therapy.
- Hemodynamic monitoring showed no signs of cardiac dysfunction or elevated filling pressures.
- Pulmonary edema resolved rapidly within two days following pregnancy termination.
Implications:
- This case highlights a potential, albeit rare, complication of combined ritodrine and dexamethasone treatment.
- Relative fluid overload is suggested as the primary etiological factor.
- Careful fluid management is crucial in patients receiving these medications, especially in late pregnancy.