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Does alpha sympathetic blockade prevent urinary retention following anorectal surgery?
1Department of Surgical Research, Ferguson Hospital, Grand Rapids, Michigan.
Diseases of the Colon and Rectum
|December 1, 1991
Summary
Prophylactic alpha-adrenergic blockade did not reduce urinary retention after anorectal surgery. This study found similar retention rates between prazosin and placebo groups, suggesting it is not recommended for prevention.
Area of Science:
- Urology
- Anesthesiology
- Colorectal Surgery
Background:
- Urinary retention is a common complication following anorectal surgery, impacting patient recovery and discharge.
- Existing methods like fluid restriction and short-acting anesthetics are not universally applicable.
- Alpha-adrenergic blockade has shown efficacy in treating established urinary retention but its prophylactic use is unstudied.
Purpose of the Study:
- To investigate the prophylactic efficacy of alpha-adrenergic blockade in preventing postoperative urinary retention after elective anorectal surgery.
Main Methods:
- A double-blind, prospective, randomized study involving 51 patients undergoing elective anorectal surgery.
- Patients received either prazosin (an alpha-adrenergic blocker) or a placebo before and immediately after surgery.
- Postoperative urinary retention rates were compared between the two groups.
Main Results:
- No significant difference in urinary retention rates was observed between the prazosin group and the placebo group.
- The study did not demonstrate a benefit of prophylactic alpha-adrenergic blockade in this context.
Conclusions:
- Prophylactic alpha-adrenergic blockade is not recommended for preventing urinary retention after anorectal surgery based on current evidence.
- Further research may be needed to explore alternative prophylactic strategies or specific patient subgroups.