Evaluation of the fallopian tube patency in infertile women after recanalization with hysterosalpingo contrast sonography

Abstract

Objective To evaluate the value of hysterosalpingo-contrast-sonography in assessment the patency of fallopian tube after tubal interventional recanalization. Methods A total of 56 cases of fallopian tube recanalization were performed in Shanghai Putuo Hospital from January 2015 to September 2016. Seventy-eight fallopian tubes in 40 cases were treated with hysterosalpingo-contrast-sonography and hysterosalpingography before recanalization. Totally 106 fallopian tubes in 56 cases were performed hysterosalpingography before and after recanalization. Seventy-eight fallopian tubes in 40 cases were evaluated with hysterosalpingo-contrast-sonography before recanalization. The patency of the tubal was assessed by hysterosalpingo-contrast-sonography 3 months after recanalization, and the re-occlusion rate was calculated. Chi square test was used to compare the results of hysterosalpingo-contrast-sonography and hysterosalpingography before and after recanalization, and the patency of fallopian tube at just after operation and 3 months after recanalization. Results Before recanalization, the results of hysterosalpingo-contrast-sonography showed 40 obstructed and 38 partially obstructed. The results of hysterosalpingography showed 44 obstructed and 34 partially obstructed. There was no significant difference between the results of hysterosalpingo-contrast-sonography and hysterosalpingography. Before recanalization, 106 fallopian tubes in 56 cases showed 53 obstructed and 53 partially obstructed. After recanalization, 72 unobstructed, 34 partially obstructed, and no obstruction. However, 22 fallopian tubes were re-obstructed 3 months after recanalization, and the rate of re-occlusion was 20.7% (22/106). The re-occlusion rate of unobstructed fallopian tubes was 19.4% (14/73) and the re-occlusion rate of partially obstructed fallopian tubes was 23.5% (8/34). There was no statistically significant difference between them. Conclusions Re-obstruction may be present in some cases 3 months after tubal recanalization. Hysterosalpingo-contrast-sonography can provide an objective and effective basis for guiding pregnancy plan after tubal recanalization. Key words: Ultrasonography; Contrast media; Fallopian tube; Recanalization