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  • Title: [Measurement of boundary line of urinary bladder and peritoneum in abdominal wall and the application in performing cesarean section with urinary bladder reversal method].
    Author: Chen H, Wang D, Guan T.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 1999 Aug; 34(8):467-9. PubMed ID: 11360595.
    Abstract:
    OBJECTIVE: To provide the basic research data and clinical application in performing extraperitoneal cesarean section (CS) with urinary bladder reversal method. METHODS: The position and the surface projection of the vesico-peritoneal fold and the apex of the urinary bladder were measured in 107 cases of term pregnant women (37-42 weeks, aged 20-40). RESULTS: The distance from the bladder apex to the umbilicus and to the symphysis pubis were (14.1 +/- 3.4) cm and (6.8 +/- 1.4) cm respectively, while from the utero-vesical pouch to umbilicus and symphysis pubis were (15.8 +/- 3.9) cm and (4.9 +/- 1.5) cm respectively. During late pregnancy the projection of bladder apex was located at the point between the middle and the lower 1/3 of the line from umbilicus to symphysis pubis; while the utero-vesical pouch was located at the point between upper 3/4 and the lower 1/4 of the same line. The time interval from the start of operation to the delivery of baby was (14.56 +/- 6.3) min, and the total operation period was (45.5 +/- 9.3) min. The largest baby weighed 5,050 gm and there was no bladder injury. CONCLUSION: To define the position of vesical peritoneal fold would give benefit to the extraperitoneal CS with bladder reversal method which was performed under direct visualization and could avoid injury of bladder.
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