Treatment of ectopic pregnancy by transvaginal intratubal methotrexate administration |
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Authors: | T Tulandi P M Bret M Atri M Senterman |
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Affiliation: | Department of Obstetrics and Gynecology, McGill University, Montreal, Quebec, Canada. |
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Abstract: | Twelve women with tubal pregnancies were treated with intratubal transvaginal methotrexate injection (1 mg/kg body weight). Serum beta-hCG levels decreased in all patients, and the resolution time from injection to undetectable beta-hCG levels was 14-120 days. In spite of declining serum beta-hCG and unruptured tubal pregnancy, two patients subsequently requested definitive treatment for their ectopic pregnancies and underwent surgery. Four of six women found to have a living embryo in their gestational sacs required a repeat methotrexate injection; one of these also required a local potassium chloride injection. The tubal pregnancies resolved in nine patients treated with methotrexate alone. During resolution, we noted a gradually increasing resistance index of the blood flow in the region of the gestation, but the tube became distended to 4.4 +/- 0.4 cm before gradually decreasing in size. No complications or side effects were encountered. These findings suggest that intratubal transvaginal methotrexate administration can provide a safe alternative to surgical treatment for patients with early unruptured tubal ectopic pregnancy. However, the presence of a living embryo makes the ectopic pregnancy more resistant to methotrexate treatment. |
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