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KMID : 0358320070480080838
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Korean Journal of Urology
2007 Volume.48 No. 8 p.838 ~ p.842
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A Study of Frequency and Factors of Voiding Dysfunction Occurred after Epidural Anesthesia Using Bupivacaine
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Kim Han-Min
Chung Jae-Yong
Sung Yerl-Bo
Sung Ki-Hyuk
Lee Sang-Seok
Yang Won-Jae
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Abstract
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Purpose: Epidural anesthesia(EPA) has been performed in various operations; however, it frequently induces postoperative voiding dysfunction. The frequency, duration and risk factors of voiding dysfunction occurring after EPA using long-acting anesthetics bupivacaine were evaluated.
Materials and Methods: 100 patients, who underwent orthopedic surgery (under knee, operation time ≤3 hours) under EPA, between September, 2005 and September, 2006, were prospectively analyzed. Preoperatively, all patients urinated spontaneously, and had less than 100ml of post- voided residuals(PVR). Postoperatively, the patients voiding patterns were checked and urine catheterization was done, unless the patient was able to urinate spontaneously or had less than 100ml of PVR.
Results: Of the 100 patients, 32(group 1, 32%) were able to urinate spontaneously and had less than 100ml of PVR during the immediate postoperative period. However, the other 68(group 2, 68%) needed catheterization at least once. Between 2 groups, male, age over 50 years and an operation time over 2 hours were risk factors of postoperative catheterization from a univariate analysis; however, none of the patients required further catheterization until the 2nd postoperative day.
Conclusions: The voiding dysfunction occurring after EPA using bupivacaine was concluded to be temporary and a self resolving event.
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KEYWORD
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Epidural anesthesia, Urinary dysfunction, Residual volume
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