The value of quantitative evaluation of pelvic floor four-dimensional ultrasound in the diagnosis of female outlet obstructive constipation
Objective To investigate the value of quantitative evaluation of posterior pelvic abnormalities by measuring the anal right Angle(ARA)and hiatus area of levator ANI(LH)with four-dimensional ultrasound of pelvic floor in the diagnosis of female outlet obstruction constipation(OOC).Methods One hundred and forty-two OOC patients and 68 healthy subjects underwent pelvic floor four-dimensional ultrasound to measure ARA size and maximum LH area in Vasvala state at rest and Vasvala state,and the data of the two groups were compared and analyzed.Results At rest,the ARA size of the research group was(116±10)°,and that of the control group was(107±1 1)°,the difference was statistically significant(P＜0.05).The ARA size of the research group was(107±10)° during Valsalva action,which was smaller than that in the resting state.The ARA size of the control group was(119±11)°,which was higher than that of the resting state,and the difference was statistically significant(P＜0.05).The maximum LH area in the research group was(31.5±6.1)cm2 and that in the control group was(20.0±2.4)cm2,which was larger in the reach group than in the control group(P＜0.05).In the OOC component type,the ARA size of the rectoprotrusion patients in resting state was(116±10)°,and that of perineum hypermobility patients was(116±10)°,with no significant difference(P＞0.05).The ARA size was(105±11)° in patients with rectal protuberance under Valsalva movement,which was lower than that in the resting state.The ARA size was(108±9)° in patients with perineal hyperactivity,which was lower than that in resting state.The ARA of patients with rectal prolapse under Valsalva movement was slightly less than that of patients with perineal over movement,and the difference was statistically significant(P＜0.10).The largest area of LH under Valsalva action is(32.4±6.2)cm2,and the largest area of LH under Valsalva action is(30.7±5.8)cm2.The largest area of LH under the Valsalva action is slightly larger than the largest area of LH under the Valsalva action,with a statistical difference(P＜0.10).Conclusion Quantitative evaluation of pelvic abnormalities by measuring ARA size and maximum area of LH in Valsalva state by four-dimensional pelvic floor ultrasound has a certain role in the diagnosis of female OOC and its specific classification.
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