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Dis Colon Rectum. 1990 Jun;33(6):487-9.

Analgesic benefit of locally injected bupivacaine after hemorrhoidectomy.

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  • 1St. George's Hospital, London, United Kingdom.

Abstract

The analgesic efficacy of locally injected bupivacaine was studied in 40 patients undergoing hemorrhoidectomy. After a standard Milligan-Morgan hemorrhoidectomy, 40 age- and sex-matched patients were randomized to receive either 0.5 percent bupivacaine (1.5 mg/kg) in adrenaline solution (1:200,000) injected into the perianal area, or equivalent volumes of adrenaline solution. Intramuscular opiate was available on demand during the postoperative period, and the amount and timing of analgesia given was recorded. All patients noted their pain on a daily basis using a linear analogue scale, and all patients answered a questionnaire assessing analgesic efficacy. Although the median time interval between surgery and first analgesic demand was nearly four times greater for patients receiving bupivacaine compared with adrenaline solution, there was no difference in the levels of pain recorded or in the overall opiate requirements. Local injection of bupivacaine after hemorrhoidectomy provides initial pain relief, but patients do not obtain an overall analgesic benefit.

PMID:
2351001
[PubMed - indexed for MEDLINE]
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