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| Evaluative value of echocardiography and ultrasonic velocity vector imaging for myocardial function damage of women with gestational diabetes mellitus |
| Panzhihua Hospital of Integrated Traditional Chinese and Western Medicine, Panzhihua, Sichuan Province, 617000 |
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Abstract To explore the clinical value of echocardiography and ultrasonic velocity vector imaging (VVI) in evaluating myocardial function damage of pregnant women with gestational diabetes mellitus (GDM). Methods: A total of 72 singleton pregnant women with GDM admitted to the hospital were enrolled as the research subjects between April 2019 and March 2021. According to the myocardial damage situation, these women were divided into group A (40 cases with myocardial damage) and group B (32 cases without myocardial damage). And other 35 healthy singleton pregnant women were enrolled in group C during the same period. The women in the three groups underwent routine echocardiography and VVI examination. The values of the routine ultrasound parameters, and the peak systolic strain rate (SSR) and the early diastolic strain rate (DSR) of left ventricular basal segments of the women in the three groups were recorded. The correlation between the myocardial enzyme indexes of the women and their parameters of echocardiography and VVI was analyzed by Pearson correlation analysis. The diagnostic efficiency of echocardiography and VVI parameters for myocardial function damage was analyzed by receiver operating characteristic (ROC) curve. Results: The levels of CK and CK-MB of the women in group A were significantly higher than those of the women in group B and in group C, and there were significant differences in the values of LVEF and E/A of the women among the three groups. Th values of SSR and DSR of left ventricular basal segments (-1.61±0.45/s and 1.75±0.45/s) of the women in group A had significantly different from that (-1.84±0.51/s and 1.98±0.52/s) of the women in group B, and from that (-1.99±0.52/s and 2.34±0.57/s) of the women in group C (all P＜0.05). Pearson correlation analysis showed that the values of CK and CK-MB of the women were positively correlated with their E/A value, and their values of SSR and DSR of left ventricular basal segments (P＜0.05). The area under the curve of the value of E/A, SSR, or DSR alone, and the combined of the values of E/A, SSR, and DSR of the women with GDM for evaluating myocardial function injury were 0.764, 0.791, 0.783, and 0.958, respectively, and the cut-off values of which were 1.25, -1.76/s and 1.80/s, respectively. The combined of the values of E/A, SSR, and DSR of the women with GDM for evaluating myocardial function injury had the highest diagnostic efficacy (P＜0.05). Conclusion: Compared with those of echocardiography, ultrasonic VVI used to monitor myocardial function damage of the pregnant women with GDM can evaluate the myocardial function damage more clearly and accurately.
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