影响剖宫产切口瘢痕妊娠患者子宫动脉栓塞术联合宫腔镜手术结局的危险因素分析
Analysis of risk factors affecting surgical outcomes of uterine artery embolization combined with hysteroscopy for cesarean scar pregnancy
Objective To investigate risk factors affecting the efficacy of uterine artery embolization (UAE) combined with hysteroscopy for cesarean scar pregnancy (CSP). Methods Clinical data of 60 CSP patients receiving UAE combined with hysteroscopic surgery (September 2019-September 2022) were retrospectively analyzed. Patients were divided into observation group (primary procedure success, n = 49) and control group (conversion to laparotomy/laparoscopy or secondary surgery, n = 11). Demographic characteristics and pathological indicators were compared. Multivariate logistic regression analyzed influencing factors. Receiver operating characteristic (ROC) curves assessed uterine scar tissue thickness' predictive value. Results Among 60 patients, 49 achieved primary procedure success (81.67%), while 11 failed (18.33%: 8 required secondary surgery, 2 converted to laparoscopy, 1 to laparotomy). Observation group had lower β-hCG levels (P < 0.05), greater uterine scar tissue thickness (P < 0.05), and shallower trophoblastic infiltration depth (P < 0.05) versus control group. Increased uterine scar tissue thickness [O^R = 1.547 (95% CI:1.124, 2.129) ] and grade 3 trophoblastic infiltration [O^R = 1.154 (95% CI: 1.052, 1.266) ] were risk factors for surgical failure (P < 0.05). ROC analysis showed uterine scar tissue thickness predicted outcomes with sensitivity = 73.5% (95% CI: 0.649, 0.856), specificity = 90.9% (95% CI: 0.771, 0.976), AUC = 0.870 (95% CI:0.824, 0.975). Patients with scar thickness ≥ 3.5 cm had reduced blood loss and lower complication rates versus < 3.5 cm (P < 0.05). Patients with grade 1-2 trophoblastic infiltration had less blood loss and fewer complications versus grade 3 (P < 0.05). Conclusion Trophoblastic infiltration depth and uterine scar tissue thickness independently influence outcomes of UAE combined with hysteroscopy for CSP. This approach suits patients with scar thickness ≥ 3.5 cm without full-thickness myometrial invasion. For scar thickness < 3.5 cm or serosal layer infiltration, laparoscopic or open surgery is recommended.
剖宫产切口瘢痕妊娠 / 子宫动脉栓塞术 / 宫腔镜 / 手术结局 / 影响因素
cesarean scar pregnancy / uterine artery embolization / hysteroscopy / surgical outcomes / influencing factors
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四川省科技计划项目(2022YFS0085)
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