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目的:探讨经阴道彩色多普勒超声检查(TVCDU)对药物流产后患者宫内残留物及在残留组织血流动力学中的诊断价值。方法:选取2014年4月至2015年3月在我院实施药物流产后2周阴道持续出血患者104例,采用TVCDU观察子宫内是否有残留物及检测血流信号,并以病理诊断结果为参考依据。结果:TVCDU诊断宫腔内残留物灵敏度为97.5%,特异性为91.6%,且有宫内残留物患者搏动指数及阻力指数(resistanceindex,RI)值均低于非宫内残留物患者,差异具有统计学意义(P<0.05)。此外,当处于低回声或血流分型Ⅲ型或Ⅳ型患者,其宫内残留物确诊率为100%。结论:TVCDU为药物流产后是否存在宫内残留及是否采取清宫处理提供了可信的参考依据。
Objective: To investigate the diagnostic value of transvaginal color Doppler ultrasonography (TVCDU) in patients with intrauterine residue after medical abortion and in the residual tissue hemodynamics. Methods: From April 2014 to March 2015 in our hospital 104 cases of persistent vaginal bleeding 2 weeks after medical abortion, the use of TVCDU observation of the uterus for the presence of residues and detection of blood flow signals, and the pathological diagnosis as a reference in accordance with. Results: The sensitivity and specificity of TVCDU in diagnosing uterine cavity residue were 97.5% and 91.6%, respectively. The pulsatility index and resistance index (RI) of patients with intrauterine residue were lower than those without intrauterine residue, the difference was Statistical significance (P <0.05). In addition, when in low echo or blood flow type Ⅲ or type Ⅳ patients, the diagnosis of intrauterine residue was 100%. Conclusion: TVCDU provides a credible reference for the presence of intrauterine residue after medical abortion and whether or not to take the curettage.