INFLUENCE OF TIMING ON THE EFFECT OF CONTINUOUS EXTRADURAL ANALGESIA WITH BUPIVACAINE AND MORPHINE AFTER MAJOR ABDOMINAL SURGERY
We have studied the effect of continuous extradural analgesia with bupivacaine and morphine, initiated before or after colonic surgery, in a double-blind, randomized study. Thirty-two patients were allocated randomly to receive an identical extradural block initiated 40 min before surgical incision...
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Published in | British journal of anaesthesia : BJA Vol. 69; no. 1; pp. 4 - 8 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Oxford
Elsevier Ltd
01.07.1992
Oxford University Press |
Subjects | |
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Abstract | We have studied the effect of continuous extradural analgesia with bupivacaine and morphine, initiated before or after colonic surgery, in a double-blind, randomized study. Thirty-two patients were allocated randomly to receive an identical extradural block initiated 40 min before surgical incision (n = 16) or at closure of the surgical wound (n = 16). The extradural regimen consisted of a bolus of 7 ml of plain bupivacaine 7.5 mg ml−1 plus morphine 2 mg and continuous extradural infusion of a mixture of bupivacaine 7.5mg ml−1 plus morphine 0.05 mg ml−1, 4 ml h−1 for 2 h, followed by a continuous extradural infusion of a mixture of bupivacaine 2.5mgml−1 plus morphine 0.05 mg ml−1, 4 ml−1 h−1, continued for 72 h after operation. In addition, all patients received similar general anaesthesia. There was no significant difference in request for additional morphine and no significant differences between the groups in pain scores (visual analogue scale or verbal) during rest or ambulation at any time of measurement. These results do not suggest that timing of analgesia with a conventional extradural regimen is of major clinical importance in patients undergoing colonic surgery |
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AbstractList | We have studied the effect of continuous extradural analgesia with bupivacaine and morphine, initiated before or after colonic surgery, in a double-blind, randomized study. Thirty-two patients were allocated randomly to receive an identical extradural block initiated 40 min before surgical incision (n = 16) or at closure of the surgical wound (n = 16). The extradural regimen consisted of a bolus of 7 ml of plain bupivacaine 7.5 mg ml−1 plus morphine 2 mg and continuous extradural infusion of a mixture of bupivacaine 7.5mg ml−1 plus morphine 0.05 mg ml−1, 4 ml h−1 for 2 h, followed by a continuous extradural infusion of a mixture of bupivacaine 2.5mgml−1 plus morphine 0.05 mg ml−1, 4 ml−1 h−1, continued for 72 h after operation. In addition, all patients received similar general anaesthesia. There was no significant difference in request for additional morphine and no significant differences between the groups in pain scores (visual analogue scale or verbal) during rest or ambulation at any time of measurement. These results do not suggest that timing of analgesia with a conventional extradural regimen is of major clinical importance in patients undergoing colonic surgery We have studied the effect of continuous extradural analgesia with bupivacaine and morphine, initiated before or after colonic surgery, in a double-blind, randomized study. Thirty-two patients were allocated randomly to receive an identical extradural block initiated 40 min before surgical incision (n = 16) or at closure of the surgical wound (n = 16). The extradural regimen consisted of a bolus of 7 ml of plain bupivacaine 7.5 mg ml-1 plus morphine 2 mg and continuous extradural infusion of a mixture of bupivacaine 7.5 mg ml-1 plus morphine 0.05 mg ml-1, 4 ml h-1 for 2 h, followed by a continuous extradural infusion of a mixture of bupivacaine 2.5 mg ml-1 plus morphine 0.05 mg ml-1, 4 ml h-1, continued for 72 h after operation. In addition, all patients received similar general anaesthesia. There was no significant difference in request for additional morphine and no significant differences between the groups in pain scores (visual analogue scale or verbal) during rest or ambulation at any time of measurement. These results do not suggest that timing of analgesia with a conventional extradural regimen is of major clinical importance in patients undergoing colonic surgery. |
Author | KEHLET, H. HJORTSØ, N.C. MØINICHE, S. ERICHSEN, C.J. DAHL, J.B. HANSEN, B.L. |
Author_xml | – sequence: 1 givenname: J.B. surname: DAHL fullname: DAHL, J.B. organization: Department of Anaesthesia, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark – sequence: 2 givenname: B.L. surname: HANSEN fullname: HANSEN, B.L. organization: Department of Surgical Gastroenterology, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark – sequence: 3 givenname: N.C. surname: HJORTSØ fullname: HJORTSØ, N.C. organization: Department of Anaesthesia, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark – sequence: 4 givenname: C.J. surname: ERICHSEN fullname: ERICHSEN, C.J. organization: Department of Anaesthesia, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark – sequence: 5 givenname: S. surname: MØINICHE fullname: MØINICHE, S. organization: Department of Anaesthesia, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark – sequence: 6 givenname: H. surname: KEHLET fullname: KEHLET, H. organization: Department of Surgical Gastroenterology, Hvidovre University Hospital DK-2650 Hvidovre, Copenhagen, Denmark |
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Keywords | local: bupivacaine Anaesthetic techniques extradural Analgesics: morphine Pain: postoperative Anaesthetics Local anesthetic Human Postoperative Analgesia Chemotherapy Regional anesthesia Pain Treatment Extradural administration Morphine Opiates Narcotic analgesic |
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SubjectTerms | Aged Aged, 80 and over Anaesthetic techniques extradural Anaesthetics Analgesia, Epidural - methods Analgesics Analgesics: morphine Biological and medical sciences Bupivacaine Colon - surgery Double-Blind Method Drug Administration Schedule Female Humans local: bupivacaine Male Medical sciences Middle Aged Morphine Neuropharmacology Pain Measurement Pain, Postoperative - prevention & control Pain: postoperative Pharmacology. Drug treatments Postoperative Period |
Title | INFLUENCE OF TIMING ON THE EFFECT OF CONTINUOUS EXTRADURAL ANALGESIA WITH BUPIVACAINE AND MORPHINE AFTER MAJOR ABDOMINAL SURGERY |
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