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Interactive effect of sevoflurane with isradipine or indomethacin on spontaneous contractile activity of isolated pregnant rat myometrium
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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