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Vitoratos, N. et al.

Prostaglandin F1a and prostaglandin E2 plasma levels after transvaginal cervical cerclage.

Plasma prostaglandin metabolites, prostaglandin F1a (PGF1a) and prostaglandin E2 (PGE2) were measured in a serial set of maternal serum samples by radioimmunoassay after elective transvaginal cervical cerclage (Shirodkar) in 18 patients early in the 2nd trimester (14-15 weeks of gestation) for a history of cervical incompetence. Eight patients received progesterone preoperatively as a myometrial suppressant. The basal PGF1a and PGE2 were 134.0 +/- 25.9 pg/ml and 14.9 +/- 1.8 pg/ml, respectively. A gradual rise in both metabolites was observed within 1 hour after the operation (206.81 +/- 48.3 pg/ml and 16.7 +/- 1.6 pg/ml, respectively, p > .05), peaking at 6 hours (265.4 +/- 51.8 pg/ml, p < .01 and 25.9 +/- 4.9 pg/ml, p < .05), and falling to basal levels within 24 hours (136.7 +/- 26.5 pg/ml and 14.0 +/- 1.2 pg/ml, respectively, p > .05). The increase in PGF1a was proportionately greater than PGE2 metabolite (r = 0.838, p < .001). No differences were found in prostaglandin levels amongst patients who received progesterone as compared to the non-recipients for all the time intervals studied (p < .05). Our findings, further suggest that a temporary increase in prostaglandin production occurs following cervical cerclage, but its role remains unclear.[1]

References

Prostaglandin F1a and prostaglandin E2 plasma levels after transvaginal cervical cerclage. Vitoratos, N., Hassiakos, D., Louridas, C., Limuris, G., Zourlas, P.A. Clinical and experimental obstetrics & gynecology. (1996) [Pubmed]

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