Abstract
Endometrial injury is associated with poorer pregnancy outcomes. The purpose of this study was to evaluate the diagnostic efficacy of contrast-enhanced ultrasonography (CEUS) in the detection of endometrial injury. This study included women who underwent CEUS of the uterus at the author's hospital between April 2020 and January 2021. The diagnostic performances of the CEUS-derived parameters in the detection of severe endometrial injury were evaluated by receiver operating characteristic curve analyses. The study included 67 participants (healthy control, n = 14; mild endometrial injury, n = 24; severe endometrial injury, n = 29). Enhancement intensity (EI) and area under the time-intensity curve (AUC TIC ) were significantly lower in the severe endometrial injury patients than healthy and mild endometrial injury subjects for both endometrial and subendometrial regions ( P < 0.05). Correlations analysis showed that EI and AUC TIC were positively correlated with endometrial thickness ( r = 0.460, P = 0.01, and r = 0.555, P < 0.01, respectively) and subendometrial thickness ( r = 0.501, P < 0.01, and r = 0.438, P = 0.01, respectively). The area under the receiver operating characteristic curve, sensitivity, and specificity were 0.720 ( P = 0.002), 79.31%, and 66.67% for endometrial EI; 0.818 ( P < 0.001), 75.86%, and 79.17% for subendometrial EI; 0.917 ( P < 0.001), 72.41%, and 95.83% for endometrial AUC TIC ; and 0.810 ( P < 0.001), 89.66%, and 70.83% for subendometrial AUC TIC , respectively. Contrast-enhanced ultrasonography may have clinical utility in the prediction of endometrial injury in women of childbearing age.
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