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目的:探讨输卵管妊娠(TP)双侧输卵管动脉阻力指数(RI)的差异及其临床价值。方法:收集经术后病理证实的TP患者41例,术前应用经阴道彩色多普勒能量超声(TV-CDPI)检查双侧子宫动脉输卵管支和卵巢动脉输卵管支,测量其RI并进行统计学分析。结果:41例TP患者中,38例双侧子宫动脉输卵管支及卵巢动脉输卵管支均可显示,且患侧的RI值均低于健侧,但双侧卵巢动脉输卵管支RI的差值(ΔRI2)大于双侧子宫动脉输卵管支RI的差值(ΔRI1)(P<0.05)。因检测到两侧输卵管动脉RI值有差异,3例在附件区未见明显包块的患者在随后的进一步扫查中发现RI值低的一侧输卵管较对侧输卵管相应部位增粗,后经手术证实为TP所在部位。结论:TP患者患侧输卵管动脉RI较健侧低。受孕卵着床部位的影响,ΔRI1与ΔRI2也有差异。检测输卵管动脉RI并比较两侧的差异有助于TP的诊断。
Objective: To investigate the difference and clinical value of bilateral tubal artery resistance index (RI) in tubal pregnancy (TP). Methods: Totally 41 cases of TP patients confirmed by postoperative pathology were collected. The transvaginal color Doppler ultrasonography (TV-CDPI) was used to examine the tubal branch and the oviduct of bilateral uterine artery. RI was measured and statistically analyzed. analysis. Results: The 41 cases of TP patients, 38 cases of bilateral uterine artery tubal branch and the oviduct tubal branch can be displayed, and the ipsilateral RI values were lower than the contralateral, but bilateral ovarian artery tubal branch RI difference (ΔRI2 ) Was greater than that of bilateral uterine artery tubal branch RI (ΔRI1) (P <0.05). Because of the difference in the RI values of the two sides of the tubal artery, three patients with no obvious mass in the attachment area found that the lower part of the oviduct had thicker RI than the lower part of the oviduct, Surgery confirmed the site for the TP. Conclusion: The tubal artery RI of the affected side of TP patients is lower than that of the healthy side. Affect the site of implantation of the egg, ΔRI1 and ΔRI2 are also different. Detecting the fallopian tube RI and comparing the differences on both sides is helpful for the diagnosis of TP.