Impact factors of sonication dose of high-intensity focused ultrasound ablation for treating cesarean scar pregnancy
10.13929/j.issn.1672-8475.2023.12.011
- VernacularTitle:影响高强度聚焦超声消融治疗剖宫产切口部妊娠辐照剂量的因素
- Author:
Zhuoting JIN
1
;
Jia GE
;
Yong ZHANG
Author Information
1. 西南医科大学附属医院妇产科,四川 泸州 646000
- Keywords:
pregnancy,ectopic;
high-intensity focused ultrasound ablation
- From:
Chinese Journal of Interventional Imaging and Therapy
2023;20(12):749-752
- CountryChina
- Language:Chinese
-
Abstract:
Objective To observe the impact factors of the total sonication dose of high-intensity focused ultrasound(HIFU)ablation in patients with cesarean scar pregnancy(CSP)using optimal scale regression analysis.Methods A total of 131 patients with CSP who underwent HIFU ablation combined with ultrasound-guided suction curettage were enrolled.The correlations of clinical and ultrasonic data with the total sonication dose were evaluated.The optimal scale regression analysis was used to explore the impact factors of the total sonication dose,also to establish a prediction model of the latter.Results The total success rate of HIFU treatment of CSP was 96.95%(127/131).The total sonication dose was significantly correlated with patient's body mass index(BMI,X1),menopause time(X2),serum β-human chorionic gonadotropin level(X3),myometrium thickness between gestational sac and bladder(X4),as well as the maximum meridian of the gestational sac(X5)(all P＜0.05),and the model was as follow:Total sonication dose=0.273×X1+0.044×X2+0.113×X3-0.033×X4+0.327×X5.The Optimal scale regression analysis showed that BMI and the maximum meridian of the gestational sac were both important impact factors of the total sonication dose(r=0.295,0.448,both P＜0.05),with an importance of 0.294 and 0.535,respectively.Conclusion BMI(17.9-29.3 kg/m2)and the maximum meridian of gestational sac were both the most important impact factors of the total sonication dose in HIFU ablation of CSP.
