Copyright © 1987 by the European Society of Cardiology.
© 1987 The European Society of Cardiology
Nalbuphine versus diamorphine early in the course of suspected myocardial infarction
Regional Medical Cardiology Centre, Royal Victoria Hospital Belfast BT12 6BA, Northern Ireland
Received 22 August 1986; revised 31 October 1986; .
Dr A. A J. Adgey, MD, FRCP, FACC, Consultant Cardiologist, Regional Medical Cardiology Centre, Royal Victoria Hospital, Belfast BT12 6BA.
Abstract
One hundred and seventy-six consecutive patients with moderate or severe pain of suspected myocardial infarction were randomized to receive nalbuphine
20 mg or diamorphine
5 mg intravenously with metoclopramide 10 mg and were observed over 2 hours. One hundred and forty-two patients (81%) received the test drug outside hospital. The median time from symptom onset to treatment was 135 minutes for the nalbuphine group and 125 minutes for the diamorphine group. Satisfactory pain relief (grade 0 or 1) was similar for both groups at each time assessment. In particular, within 10 minutes of the drugs administration 77% of those receiving nalbuphine and 68% who received diamorphine had satisfactory pain relief. The number of doses of each drug, the number of patients withdrawn from the trial because of unsatisfactory pain relief or recurrence of chest pain were similar for both groups. For those with myocardial infarction there was similar satisfactory pain relief with nalbuphine as diamorphine. No significant deleterious haemodynamic effects or other sideeffects occurred. The noncontrolled classification and low addiction potential of nalbuphine allow for its more widespread use in the control of pain of suspected myocardial infarction.
Key Words: Nalbuphine diamorphine early myocardial infarction
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