Volume 23 Issue 3
Mar.  2025
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Article Navigation >  Chinese Journal of General Practice  > 2025  >  23(3): 468-471
DING Yanhua, LI Yinghua, ZHAO Liyan, YAO Jiqin. Study on transvaginal ultrasound characteristics of incomplete abortion caused by different types of residual drugs[J]. Chinese Journal of General Practice, 2025, 23(3): 468-471. doi: 10.16766/j.cnki.issn.1674-4152.003929
Citation: DING Yanhua, LI Yinghua, ZHAO Liyan, YAO Jiqin. Study on transvaginal ultrasound characteristics of incomplete abortion caused by different types of residual drugs[J]. Chinese Journal of General Practice, 2025, 23(3): 468-471. doi: 10.16766/j.cnki.issn.1674-4152.003929
shu

Study on transvaginal ultrasound characteristics of incomplete abortion caused by different types of residual drugs

doi: 10.16766/j.cnki.issn.1674-4152.003929
  • 1.

    Department of Ultrasound and Electrocardiogram, Hangzhou Obstetrics and Gynecology Hospital, Hangzhou, Zhejiang 310008, China

Funds:

 2025KY1178

  • Received Date: 2024-12-07
    Available Online: 2025-05-14
    Abstract
  •   Objective  To investigate the differences in transvaginal ultrasound characteristics among different types of residues in patients with incomplete medical abortion, and to evaluate their clinical value in guiding the development of individualized treatment strategies.  Methods  A total of 150 patients with incomplete medical abortion who received treatment at Hangzhou Obstetrics and Gynecology Hospital from January 2022 to June 2024 were selected as the research subjects. Based on pathological examination results, the residual materials were divided into two groups: the chorionic decidua group (109 cases) and the non-chorionic decidua group (41 cases). Transvaginal ultrasound examination was performed on all study subjects to assess the differences in ultrasound characteristics, including morphology, echo signal, blood flow distribution, and hemodynamics between the two groups.  Results  The proportion of patients with increased uterine volume in the chorionic and decidua group was significantly higher than that in the non-chorionic decidua group (P<0.05). The residual of chorionic decidua group mainly presented as the form of lumps, while the residual of non-chorionic decidua mainly appeared as the form of patches. The ultrasound signals of residual chorionic decidual tissue were mainly hypoechoic and mixed echogenic, while the ultrasound signals of non-residual chorionic-decidual tissue were mainly hyperechoic signals (P<0.001). The proportion of residual blood flow signals in the chorionic decidua group (89.91%, 98/109) was significantly higher than that in the non-chorionic decidua group (9.76%, 4/41), with a statistically significant difference (χ2=87.961, P<0.001). The pulsatility index (PI) and resistance index (RI) of residual blood flow after medical abortion in the chorionic decidua group were 0.86±0.13 and 0.61±0.09, respectively, which were significantly lower than those in the non-chorionic decidua group (1.47±0.21 and 0.74±0.11, P<0.001).  Conclusion  Significant differences were observed in ultrasound characteristics, including morphology, echo signal, blood flow distribution, and hemodynamics, among different types of residues in incomplete medical abortion. Transvaginal ultrasound demonstrates high clinical value in guiding the selection of treatment methods for incomplete medical abortion.

     

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