Background: This study investigates the incidence and risk factors for urinary retention during and after labor in women receiving programmed intermittent epidural bolus (PIEB) analgesia and evaluates the optimal bladder management strategy.
Methods: This prospective observational study assessed urinary retention during voiding attempts every two to three hours during labor and postpartum, among women with labor epidural analgesia using PIEB. Urinary retention was defined as a post-void residual volume >150 mL, determined by catheterization after spontaneous voiding.
Results: Among 137 women included, with 277 voiding attempts during labor, the urinary retention rate was 20.6%, occurring in 48 women (35%). When the spontaneously voided volume was >50 mL, urinary retention was observed in less than 10% of attempts. Postpartum urinary retention occurred in nine women (6.7%) with a mean post-void residual volume of 1133 ± 447 mL; all were nulliparous, seven had induced labor, and five had an episiotomy.
Conclusions: Women who are able to successfully void during labor have a low risk of intrapartum urinary retention. We would recommend considering catheterization every 3 to 4 hours for women who are unable to urinate spontaneously, void less than 50 ml, or experience complete motor blockade during labor.
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