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本文测定18例放置甲地孕酮硅橡胶阴道环发生突破性出血妇女外周血及子宫内膜组织中6—酮—前列腺素F1α(6-keto-PGF1α)与血栓素(TXB2)含量,以21例放甲硅环未发生出血妇女及21例未放环妇女为对照。结果表明:各组外周血E2和P水平无显著差异。使用甲硅环发生突破性出血(BTB)者外周血中6-keto-PGF1α、TXB2合量及6—keto-PGF1α/TxB2比值在增殖期明显高于放环未出血组及正常组。发生BTB者子宫内膜组织中6-keto-PGF1α明显高于未出血组。提示:前列腺素在甲硅环所致BTB中有一定作用。本文结果还表明,应用炔雌醇和萘普生治疗BTB,其有效率分别为91.1%和76.7%,提示除6—keto-PGF1α和TXB2参与引起BTB外,雌二醇可能也是BTB发生的部分机制之一。
In this paper, the content of 6-keto-PGF1α and TXB2 in peripheral blood and endometrial tissue of 18 patients with breakthrough hemorrhage caused by megestrol silicone vaginal ring were measured. Cases of silicone ring bleeding did not occur in women and 21 cases of non-ring women as a control. The results showed that: E2 and P levels in peripheral blood of each group had no significant difference. The amount of 6-keto-PGF1α, TXB2 and the ratio of 6-keto-PGF1α / TxB2 in peripheral blood of patients with breakthrough hemorrhage (BTB) in the Si ring were significantly higher than those in the untreated and normal group. The incidence of 6-keto-PGF1α in endometrial tissue of patients with BTB was significantly higher than that of non-bleeding group. Tip: prostaglandins in the silicon ring caused by BTB have a role. Our results also show that ethinyl estradiol and naproxen treatment of BTB, the effective rates were 91.1% and 76.7%, suggesting that in addition to 6-keto-PGF1α and TXB2 involved in causing BTB, estradiol may also be BTB One of the mechanisms that happened.