Urinary retention is a known complication of inguinal herniorrhaphy. Bladder distension due to vigorous fluid administration is believed to contribute to this problem. Our hypothesis is that fluid restriction will lower the incidence of urinary retention, post-herniorrhaphy. From January 1989 through March 1991, 113 male patients entered the study. Sixty patients (Group I) received unlimited iv fluids (1294 ± 58 ml) and 9 patients (15%) developed urinary retention. Fifty-three patients (Group II) received 500 ml or less by protocol (485 ± 2 ml) and 5 of these patients developed retention (9%). Thus, fluid restriction lowered the incidence of urinary retention post-herniorrhaphy but the difference did not reach statistical significance. In addition age over 60 years approached significance as a risk factor for postoperative urinary retention.
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