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Combined effects of sevoflurane with isradipine or indomethacin on natural contractions of pregnant rat uterus muscle
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Abstract
Sevoflurane inhibited the amplitude and frequency of spontaneous myometrial contractions in a concentration-dependent manner (P<0.05).
- Sevoflurane concentrations from 0.5 to 3 MAC were tested for their effects on myometrial strips isolated from pregnant rats.
- Isradipine and indomethacin, when pretreated, significantly enhanced the inhibitory effects of sevoflurane on contraction amplitude and frequency, starting at 1 MAC (P<0.05).
- Isradipine and indomethacin alone did not affect spontaneous contractility but increased the impact of sevoflurane.
- The interaction suggests that blocking calcium channels in myometrial smooth muscle may amplify the inhibitory effects of sevoflurane.
- Further investigation is required to understand the cellular mechanisms behind this interaction.
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