British Journal of Anaesthesia, Vol 81, Issue 5 727-730, Copyright © 1998 by The Board of Management and Trustees of the British Journal of Anaesthesia
W. I. Campbell, R. W. Kendrick and JPH. Fee
We studied 32 patients undergoing bilateral symmetrical lower third molar
surgery under general anaesthesia to determine if the combined effects of
pre-emptive local anaesthetic block using 0.5% bupivacaine, together with
i.v. tenoxicam and alfentanil had any benefits over postoperative
administration. Patients acted as their own controls and were allocated
randomly to have surgery start on one side, the second side always being
the pre-emptive side. Difference in pain intensity between the two sides
was determined using visual analogue scales completed by each individual at
6 h, and at 1, 3 and 6 days after operation. A long-form McGill pain
questionnaire was also used to assess difference in pain intensity between
the two sides on the morning after surgery. There was no significant
difference in pain intensity at any time after surgery. Our findings
indicate that the combined use of pre-emptive analgesia from 0.5%
bupivacaine, tenoxicam and alfentanil did not reduce postoperative pain
intensity in patients undergoing molar exodontia.
CLINICAL INVESTIGATIONS
Balanced pre-emptive analgesia: does it work? A double-blind, controlled study in bilaterally symmetrical oral surgery
Department of Anaesthetics, The Ulster Hospital, Dundonald, UNDAH Trust, Belfast BT16 0RH; Department of Oral Surgery, The Ulster Hospital, Dundonald, UNDAH Trust, Belfast BT16 0RH; Department of Anaesthetics, The Queen's University of Belfast, Whitla Medical Building, 97 Lisburn Road, Belfast BT9 7BL
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