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Essure removal surgery: Are preoperative transvaginal ultrasound and pelvic X-ray necessary?

https://doi.org/10.1016/j.ejogrb.2023.05.018Get rights and content
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Abstract

Objective

The objective of this study was twofold. (1) To investigate the predictive characteristics of transvaginal ultrasonography for hysteroscopy necessity in Essure removal surgery. (2) To investigate the additional predictive value of a preoperative pelvic radiograph to transvaginal ultrasonography for hysteroscopy necessity.

Study Design

Retrospective cohort study, performed in an academic and a non-academic teaching hospital in the Netherlands. 71 women who underwent Essure removal surgery with a perioperative hysteroscopy and who had a preoperative pelvic X-ray and transvaginal ultrasound were included. Four experts first predicted hysteroscopy necessity based on transvaginal ultrasound description and secondly based on transvaginal ultrasound combined with the preoperative pelvic radiograph. Sensitivity, specificity, positive predictive value and negative predictive value of the predictive tests were calculated.

Results

Based on transvaginal ultrasound, the mean predictive characteristics for experts were: sensitivity 89.7% (range 66.7%–100%), specificity 37.4% (range 17.6%–67.7%), positive predictive value 18.8% (range 13.2%–29.5%) and negative predictive value 95.1% (range 86.1%–100%). After adding the pelvic radiograph to the transvaginal ultrasound descriptions, the results were: sensitivity 66.7% (range 53.3%–80%), specificity 72.6% (range 56%–97.3%), positive predictive value 23% (range 14.3%–26.9%) and negative predictive value 94.1 % (range 90.3%–98.4%). For three experts sensitivity decreased after adding the pelvic radiograph. For all experts specificity increased.

Conclusion

It is difficult to preoperatively decide if the fourth marker of the Essure outer coil can be excised during hysteroscopy. The addition of pelvic radiography to transvaginal ultrasound is not beneficial. It is recommended to perform a hysteroscopy during Essure removal surgery.

Keywords

Essure
Hysteroscopic sterilization
Hysteroscopy
Transvaginal ultrasound
Pelvic radiograph

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City, state, and country in which the study was conducted: Utrecht, Utrecht, The Netherlands