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Effect of evaluation on intraspinal block in labor analgesia using pelvic floor ultrasound technique on postpartum early pelvic floor function in primiparae

MA Li-yuan;LU Bing;DENG Xue-dong;CHEN Xiao-min;ZHANG Qian;Center of Medical Ultrasound, Main Hospital, Suzhou Hospital Affiliated to Nanjing Medical University & Suzhou Municipal Hospital;  
Objective To investigate the effect of the evaluation on intraspinal block in labor analgesia using the pelvic floor ultrasound technique on postpartum early pelvic floor function in primiparae. Methods The clinical data of 70 primiparae with transvaginal delivery were retrospectively analyzed. The primiparae were divided into observation group(n=35) and control group(n=35) according to whether they had received intraspinal block in labor analgesia. And primiparae in both groups underwent pelvic floor ultrasound examinations six weeks after delivery. The subjects′ bladder neck descent(BND), posterior urethro-vesical angle(PUVA) and levator hiatus(LH) area on the maximum Valsalva maneuver, as well as the incidence rate of internal urethral orifice funnelation on the maximum Valsalva maneuver, were compared between the two groups. Results Primiparae in the observation group had a decreased BND, smaller LH area and PUVA on the maximum Valsalva maneuver, and a higher incidence rate of internal urethral orifice funnelation on the maximum Valsalva maneuver as compared with the control group(all P0.05). Conclusion The use of intraspinal block in labor analgesia has a certain protective effect on postpartum early pelvic floor function in primiparae. The pelvic floor ultrasound technique can provide a reliable imaging basis for postpartum pelvic floor function examination in primiparae.
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