Sound touch elastography for assessing effect of biofeedback electrical stimulation for treating primipara with diastasis rectus abdominis
Objective To observe the value of sound touch elastography(STE)for assessing effectiveness of biofeedback electrical stimulation for treating primipara with diastasis rectus abdominis(DRA).Methods Totally 98 primiparas were prospective enrolled and divided into therapeutic group(n=48)and non-therapeutic group(n=50)according to whether the biofeedback electrical stimulation performed or not.Meanwhile,50 healthy non-pregnant women of childbearing period were taken as controls(control group).The inter-rectus distance(IRD1/IRD2),Young's modulus(E1/E2)at 6 sites and the mean value of E1/E2(Emean-1/Emean-2)42 days after and 10 weeks after delivery(after one-course treatment)were compared between groups,respectively.Pearson correlation analysis was performed to explore the correlations of Emean3(difference between Emean-2 and Emean-1)and IRD3(difference between IRD2 and IRD1)in treatment group.Results In therapeutic group,IRD2 was significantly lower than IRD1(P＜0.01).No significant difference was found between IRD1 and IRD2 in non-therapeutic group(P＞0.05).IRD3,Emean-2,Emean-3 and 6 site-E2 in therapeutic group were all higher than those in non-therapeutic group(all P＜0.05).E1 at 6 sites in therapeutic group were not significantly different with those in non-therapeutic group(all P＞0.05),which were all lower than those in control group(all P＜0.05).Emean-3 was highly positively correlated with IRD3 in therapeutic group(r=0.823,P＜0.01).Conclusion STE could effectively evaluate the early efficacy of biofeedback electrical stimulation for treating primiparas with DRA.
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