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目的探讨初产妇与经产妇分娩后1周内的尿动力学表现。方法按照国际尿控协会推荐的方法对36例初产妇志愿者(初产妇组)和12例经产妇志愿者(经产妇组)分娩后1周内(产后2～7 d)的尿动力学变化进行检查。14例因上尿路疾病而下尿路功能正常的已婚未育妇女作为对照组。结果初产妇组与经产妇组妇女分娩后功能性膀胱容量(FBV)分别为(310±154)、(243±141)ml,正常尿意膀胱压测定容量(NDCC)分别为(215±90)、(225±115)ml,均低于对照组的(437±193)ml 和(338±120)ml,分别比较,差异均有统计学意义(P<0.05);但初产妇组与经产妇组间FBV 和 NDCC 比较,差异无统计学意义(P>0.05)。初产妇组与经产妇组妇女最大静态尿道压(MUP)和最大尿道闭合压(MCUP)也均显著高于对照组,差异有统计学意义(P<0.05);但初产妇组MUP 和 MCUP 与经产妇组比较,差异无统计学意义(P>0.05)。功能尿道长度(FUL)初产妇组妇女为(31±6)mm,经产妇组妇女为(27±5)mm,对照组妇女为(30±3)mm,初产妇、经产妇组分别与对照组比较,差异均无统计学意义(P>0.05),但初产妇组 FUL 显著长于经产妇组,差异有统计学意义(P<0.05)。初产妇组、经产妇组及对照组的 Abrams-Griffiths(AG)值分别为-35±28、-26±26和-11±17,两产妇组分别与对照组比较,差异有统计学意义(P<0.05);初产妇组、经产妇组及对照组尿道阻力因子(URA)分别为(8±4)、(9±3)和(11±3)cm H_2O(1 am H_2O=0.098 kPa),3组比较,差异均无统计学意义(P>0.05)。初产妇组和经产妇组腹压漏尿点压(VLPP)测定各有1例漏尿发生,VLPP 分别为50 cm H_2O和67 cm H_2O。结论初产妇和经产妇分娩后1周内均表现为膀胱容量减少,尿道静态阻力增加,但膀胱排空能力正常。
Objective To investigate the urodynamic manifestations of primipara and maternal within one week after childbirth. Methods According to the method recommended by the International Association of Urinary Control, the urodynamic changes in 36 primiparous women (primipara group) and 12 maternal volunteers (maternal group) within 1 week after childbirth (2 ~ 7 days postpartum) Check. 14 cases of married non-pregnant women with normal urinary tract function due to upper urinary tract disease served as control group. Results The functional bladder volume (FBV) of the primipara group and the maternal group after childbirth were (310 ± 154) and (243 ± 141) ml, respectively. The mean urinary bladder pressure measurement capacity (NDCC) (225 ± 115) ml, which were lower than that of the control group (437 ± 193) ml and (338 ± 120) ml, respectively, with statistical significance (P <0.05) Between FBV and NDCC, the difference was not statistically significant (P> 0.05). The maximal static urethral pressure (MUP) and maximal urethral occlusion pressure (MCUP) in primipara group and the maternal group were also significantly higher than those in the control group (P <0.05). However, MUP and MCUP in primipara group were significantly higher than those in control group The maternal group, the difference was not statistically significant (P> 0.05). The number of women with primordial function urethral length (FUL) was (31 ± 6) mm in the urethral length (FUL) group, (27 ± 5) mm in the maternal group, and (30 ± 3) mm in the control group There was no significant difference between the two groups (P> 0.05). However, the FUL of primipara group was significantly longer than that of the maternal group (P <0.05). The Abrams-Griffiths (AG) values of the primipara group, the maternal group and the control group were -35 ± 28, -26 ± 26 and -11 ± 17, respectively. There was significant difference between the two groups P <0.05). The urethral resistance factors (URA) of the primipara group, the maternal group and the control group were (8 ± 4), (9 ± 3) and (11 ± 3) cm H 2 O (1 am H 2 O = 0.098 kPa) There was no significant difference between the three groups (P> 0.05). One case of leakage of urine was found in the primipara group and the maternal group, respectively, with VLPP of 50 cm H 2 O and 67 cm H 2 O, respectively. Conclusion Both primipara and maternal postpartum showed decreased bladder capacity and increased urethral static resistance within 1 week after delivery, but bladder emptying capacity was normal.