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Selective reduction of multifetal pregnancies
R J Wapner1, G H Davis, A Johnson
1Department of Obstetrics and Gynecology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
Lancet (London, England)
|January 13, 1990
Summary
Selective fetal reduction using potassium chloride injection in multifetal pregnancies significantly improves outcomes, with 94% of remaining fetuses surviving. This procedure is an ethically sound option for managing complex pregnancies.
Area of Science:
- Perinatology
- Reproductive Medicine
- Medical Ethics
Background:
- Multifetal pregnancies present complex management challenges.
- Selective reduction aims to improve perinatal outcomes and fetal survival rates.
- Ethical considerations are paramount in managing multifetal pregnancies.
Purpose of the Study:
- To evaluate the efficacy and safety of selective fetal reduction via potassium chloride injection.
- To assess the impact of selective reduction on perinatal outcomes in multifetal pregnancies.
- To determine the ethical justifiability and public policy implications of this procedure.
Main Methods:
- Selective reduction performed in 46 multifetal pregnancies using potassium chloride injection into the pericardial region.
- Indications included improving perinatal outcome, managing congenital abnormalities, and preserving singleton pregnancies.
- Fetal survival was monitored post-procedure via ultrasound.
Main Results:
- 75 out of 80 fetuses (94%) survived after selective reduction.
- Three cases required repeat injections due to initial cardiac activity post-procedure, leading to fetal demise.
- Selective reduction demonstrated a high survival rate for remaining fetuses.
Conclusions:
- Selective reduction of multifetal pregnancies is an effective intervention.
- The procedure is ethically justifiable and faces no public policy obstacles.
- Potassium chloride injection is a viable method for selective fetal reduction with high survival rates.