The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2021
Lacunar-like changes of the chorion: can it be a first-trimester ultrasound sign in predicting worse clinical outcome in cesarean scar pregnancy termination?
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Liu Zhenzhen, Shi Zhimin, Wei Yao, Dai Qing, Liu Xinyan
Аннотация
OBJECTIVE: To observe the lacunar-like changes in cesarean scar pregnancy (CSP) ultrasonography in first trimester and to explore its relationship with clinical outcome in early pregnancy termination.
METHODS: This is a retrospective case-control study. Patients who were diagnosed as CSP and chose to terminate pregnancy from January 2017 to April 2020 were enrolled. According to occurrence of lacunar-like change in chorion membrane, patients were divided into case and control group. The clinical manifestation, laboratory test, ultrasound data, and outcome were compared.
RESULTS: Fifty-five CSP patients were enrolled with 20 (36.4%) in case group and 35 (63.6%) in control group. As for ultrasound features, the maximum outer diameter of gestational mass (5.6 ± 2.5 cm vs. 3.9 ± 1.5 cm), the maximum thickness of the chorion membrane (median number 1.1 cm vs. 0.7 cm), the longitudinal diameter of the implanting part of gestational mass in uterine lower segment (3.3 ± 1.8 cm vs. 1.2 ± 0.5 cm), uterine lower segment protrusion incidence (12, 60% vs. 2, 5.7%), and the crown-rump length of fetus (median number 1.7 cm vs. 0.7 cm) were bigger or higher in case group than that of the control group; the minimum thickness of the uterine lower segment myometrium (median number 0.08 cm vs. 0.20 cm) was significantly thinner in case group. CDFI grading of case group was different from control group with more cases in higher grades. As for clinical outcome, the patients of case group showed more frequency of CSP lesion resection under open surgery or laparoscopy (7, 35% vs. 1, 2.86%) rather than suction curettage, more blood loss in surgery (median number 35 ml vs. 20 ml) and more hospitalization days (median number 7.5 d vs. 3.5 d) than control group.
CONCLUSIONS: Lacunar-like change of chorion can be detected in early gestation and may act as a predictor of complicated and worse clinical outcome.
METHODS: This is a retrospective case-control study. Patients who were diagnosed as CSP and chose to terminate pregnancy from January 2017 to April 2020 were enrolled. According to occurrence of lacunar-like change in chorion membrane, patients were divided into case and control group. The clinical manifestation, laboratory test, ultrasound data, and outcome were compared.
RESULTS: Fifty-five CSP patients were enrolled with 20 (36.4%) in case group and 35 (63.6%) in control group. As for ultrasound features, the maximum outer diameter of gestational mass (5.6 ± 2.5 cm vs. 3.9 ± 1.5 cm), the maximum thickness of the chorion membrane (median number 1.1 cm vs. 0.7 cm), the longitudinal diameter of the implanting part of gestational mass in uterine lower segment (3.3 ± 1.8 cm vs. 1.2 ± 0.5 cm), uterine lower segment protrusion incidence (12, 60% vs. 2, 5.7%), and the crown-rump length of fetus (median number 1.7 cm vs. 0.7 cm) were bigger or higher in case group than that of the control group; the minimum thickness of the uterine lower segment myometrium (median number 0.08 cm vs. 0.20 cm) was significantly thinner in case group. CDFI grading of case group was different from control group with more cases in higher grades. As for clinical outcome, the patients of case group showed more frequency of CSP lesion resection under open surgery or laparoscopy (7, 35% vs. 1, 2.86%) rather than suction curettage, more blood loss in surgery (median number 35 ml vs. 20 ml) and more hospitalization days (median number 7.5 d vs. 3.5 d) than control group.
CONCLUSIONS: Lacunar-like change of chorion can be detected in early gestation and may act as a predictor of complicated and worse clinical outcome.