• M Hasenbos, J van Egmond, M Gielen, and J F Crul.
• Institute of Anaesthesiology, Catholic University, Nijmegen, The Netherlands.
• Acta Anaesthesiol Scand. 1987 Oct 1;31(7):608-15.

AbstractOne hundred and twenty-nine patients were subjected to three different types of thoracic operations. The patients were randomly allocated to balanced intravenous anaesthesia including i.v. nicomorphine during surgery and epidural nicomorphine post-operatively (epidural group, n = 58) or to balanced intravenous anaesthesia without i.v. opiates but with high thoracic epidural regional block during the operation and with post-operative intramuscular nicomorphine (intramuscular group, n = 71). Post-operative nicomorphine was only given at the request of the patients, and as frequently as needed to obtain satisfactory pain relief. Patients in the epidural group were given nicomorphine exclusively by epidural injection. Post-operatively, both groups (i.m. and epidural) obtained effective and rapid onset of analgesia, but the pain assessments by the patient and the medical team favoured the epidural group. The requirements of nicomorphine over a period of 3 days were significantly lower in the epidural group 42 mg (s.d. = 18) versus 92 mg (s.d. = 33) in the intramuscular group. Significantly fewer pulmonary complications were observed in the epidural group: 7 atelectases compared to 27 in the intramuscular group. The epidural group showed no signs of ventilatory depression in spite of a catheter inserted at the T3-T4 level.

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