Single-dose methotrexate for the treatment of ectopic pregnancy: Our experience from 2010 to 2015

Emre Erdem Taş, Gülin Feykan Feykan Yeğin Akçay, Ayse Filiz Avsar

Abstract


Objective: To evaluate the success of systemic single-dose methotrexate (MTX) treatment in patients with ectopic pregnancy (EP) and to investigate factors related to treatment success.

Methods: This retrospective study had been performed in Yildirim Beyazit University between January 2010 and December 2015. Demographic and clinical characteristics, ultrasonografic findings, pretreatment serum β–human chorionic gonadotropin (β-hCG) and progesterone levels of 58 patients with EP were retrieved from hospital records retrospectively. The patients were grouped according to MTX treatment success (response vs. failure).

Results: Single-dose MTX-treatment was successful in 72.4% (42/58) of patients. The mean pretreatment β-hCG level was significantly lower in responders than in failures (2080 ± 2322 vs. 5707 ± 3885 IU/L, p = 0.001), and 2678 IU/L was the most suitable cutoff to predict success (75% sensitivity, 73.8% specificity). Moreover, failure rate was 8.45 times more in group of patients whose β-hCG values were determined above the cutoff. The presence of fetal cardiac activity adversely affected treatment success (odds ratio = 12, p = 0.004). Treatment success was not affected by past history of ectopic pregnancy, thickness of endometrium, progesterone value or presences of pseudosac and free pelvic fluid.

Conclusion: The success rate of single dose MTX in this study was 72.8 %, and we found that failure rate of MTX treatment was 8.45 times more in group of patients whose initial serum β‑hCG values were above 2678 IU/L and 12 times more in patients with fetal cardiac activity.

doi: https://doi.org/10.12669/pjms.331.11238

How to cite this:Tas EE, Akcay GFY, Avsar AF. Single-dose methotrexate for the treatment of ectopic pregnancy: Our experience from 2010 to 2015. Pak J Med Sci. 2017;33(1):13-17.   doi: https://doi.org/10.12669/pjms.331.11238

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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