Preliminary study of application effect of intrauterine observation suction surgery technique in the treatment of caesarean scar pregnancy
Objective To study application effect and safety of intrauterine observation suction surgery technique in the treatment of cesarean scar pregnancy(CSP).Methods A total of 7 patients with CSP who were treated with intrauterine observation suction surgery technique in Department of Obstetrics and Gynecology,the Second Hospital of Hebei Medical University from April 2019 to June 2022 were analyzed retrospectively.All patients used a disposable camera suction tube to observe the attraction synchronously.A disposable cervical dilator was placed 3 h before operation.Blood β-human chorionic gonadotropin(hCG)and ultrasound were reexamined 3 d after operation,and hysteroscopic treatment was supplemented if necessary.Results Seven patients included 3 cases of type Ⅰ CSP and 4 cases of type Ⅱ CSP,the age was(33.9±4.7)years ranging from 27 to 40 years,menopause ranged from 38 d to 47 d with median time of 43 d.The operation process of all patients was smooth,the median blood loss during operation was 30 mL,the median blood loss after operation was 20 mL,the median bleeding time after operation was 3 d,and there was no uterine perforation and massive bleeding during operation.Three days after operation,blood β-hCG decreased satisfactorily in all patients.Six cases showed no pregnant tissue residue,1 case underwent hysteroscopic resection due to strong echo with slightly rich blood flow signal at the scar site.Conclusion With the help of the high-definition camera built into the suction tube,the observation and suction can be synchronized with the suction technique,and can be applied to the treatment of type I and some type Ⅱ CSP with menopausal time no more than 47 d.
Cesarean scar pregnancyIntrauterine observation suction surgery techniqueDisposable camera suction tube
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