BACKGROUND:

The surgical procedure of interstitial pregnancy can be complicated by bleeding that is difficult to control; for this reason, in recent years, techniques that allow hemostatic control to have been used, thus reducing morbidity and mortality related to the procedure.

OBJECTIVE:

To describe the process to establish the diagnosis and decide the conservative surgical treatment in a patient with interstitial pregnancy with a history of homolateral salpingectomy and desire for uterine preservation.

CLINICAL CASE:

27-year-old patient, with a history of one childbirth, three miscarriages and a previous ectopic pregnancy, with left salpingectomy. She came for consultation due to a seven-week menstrual delay and acute pelvic pain. In view of the suspicion of ectopic pregnancy, the diagnostic protocol was integrated. The quantification of the β-fraction of chorionic gonadotropin hormone was 8962 mlU/mL, the transvaginal ultrasound reported an image compatible with gestational sac towards the left horn region and probable hemoperitoneum. At exploratory laparotomy, hemoperitoneum and left interstitial pregnancy were found. To preserve fertility, a double ligation of the left uterine artery at the level of the uterine isthmus and the utero-ovarian ligament and resection of the interstitial gestational sac with cornuostomy was performed.

CONCLUSION:

Interstitial pregnancy is an obstetric emergency with a high risk of rupture and hemorrhage, fortunately rare. Ligation of the uterine arteries, prior to surgical ablation of the gestational sac, is an individualized alternative in patients with this complication.

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