SPINAL ANAESTHESIA WITH PLAIN 0.5% BUPIVACAINE AT 19 °C AND 37 °C

Forty-five men aged 50–80 yr undergoing urological surgery under spinal anaesthesia were allocated randomly to three groups. All patients received 0.5% plain bupivacaine 3 ml injected at the L2–3 interspace. The temperature of the solution in group 1 was 19 °C, in groups 2 and 3 37 °C. In groups 1 a...

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Bibliographic Details
Published in:British journal of anaesthesia : BJA 1990-10, Vol.65 (4), p.504-507
Main Authors: KRISTOFFERSEN, E., SLOTH, E., HUSTED, J.C., BACH, A.B., HUSEGAARD, H.C., ZÜLOW, I.
Format: Article
Language:English
Subjects:
Anaesthetic techniques: spinal
Anaesthetics
Anesthesia
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
injectate temperature
Local anesthesia. Pain (treatment)
local: bupivacaine
Medical sciences
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Summary:Forty-five men aged 50–80 yr undergoing urological surgery under spinal anaesthesia were allocated randomly to three groups. All patients received 0.5% plain bupivacaine 3 ml injected at the L2–3 interspace. The temperature of the solution in group 1 was 19 °C, in groups 2 and 3 37 °C. In groups 1 and 2 the injection was performed with the patient sitting; in group 3 the patient was in a lateral horizontal position. Spread of block, intensity of motor block and cardiovascular stability were measured. Warming the solution from 19 °C to 37 °C before spinal injection with the patient in the sitting position did not significantly affect these variables. However, the extent of analgesia was reduced significantly when the 37 °C solution was injected with the patient in the lateral horizontal compared with the sitting position.
ISSN:0007-0912
1471-6771
DOI:10.1093/bja/65.4.504