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Isofluorane inhibits early mouse embryo development in vitro
1Alta Bates Hospital, Berkeley, California 94705.
Fertility and Sterility
|January 1, 1988
Summary
Isoflurane anesthesia significantly harmed early mouse embryo development in vitro. Balanced anesthesia using nitrous oxide and narcotics may be a safer alternative for human assisted reproductive technologies like in vitro fertilization (IVF).
Area of Science:
- Reproductive biology
- Anesthesiology
- Embryology
Background:
- Assisted reproductive technologies (ART) like in vitro fertilization (IVF) require careful consideration of anesthetic agents.
- The potential toxicity of commonly used anesthetics on early embryo development is not fully understood.
Purpose of the Study:
- To evaluate the in vitro toxicity of isoflurane, nitrous oxide, fentanyl, and meperidine on mouse embryo development.
- To determine the most suitable anesthetic approach for patients undergoing ART procedures.
Main Methods:
- Two-cell mouse embryos were cultured in vitro to the blastocyst stage.
- Embryo development was assessed in the presence of varying concentrations of isoflurane, nitrous oxide, fentanyl, and meperidine.
Main Results:
- Isoflurane, at concentrations relevant to human oocyte recovery, significantly inhibited embryo development to the blastocyst stage.
- Nitrous oxide, fentanyl, and meperidine did not demonstrate significant toxicity to developing mouse embryos at the tested concentrations.
Conclusions:
- Isoflurane poses a potential risk to early embryo development during ART procedures.
- Balanced anesthesia combining nitrous oxide and narcotics may represent a safer anesthetic strategy for IVF and GIFT procedures compared to isoflurane.