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J. Cardiothorac. Vasc. Anesth. · Oct 1995
Randomized Controlled Trial Comparative Study Clinical TrialComparison of intrapleural versus intravenous morphine for postthoracotomy pain management.
- B Aykaç, H Erolćay, Y Dikmen, H Oz, and O Yillar.
- Cerrahpaśa Medical Faculty Anethesiology Department, Istanbul, Turkey.
- J. Cardiothorac. Vasc. Anesth. 1995 Oct 1; 9 (5): 538-40.
ObjectiveTo compare the analgesic effects of intrapleural and intravenous morphine administration for postthoracotomy pain management.DesignRandomized, prospective trial.SettingUniversity teaching hospital.ParticipantsTwenty-eight consenting patients scheduled for elective thoracotomy operations.InterventionsPatients were randomly allocated into two groups to receive either 20 mg of intrapleural morphine (IPM group) or 20 mg of intravenous morphine (IVM group) at the end of the operation. Plasma morphine levels, arterial pressures, heart rate, verbal analog scale (VAS), respiratory rate, and PaCO2 levels were compared in two groups.Measurements And Main ResultsPlasma morphine levels were significantly higher in the IVM group at the 5th minute until the 2nd postoperative hour. VAS was significantly higher in the IVM group. Respiratory rates were significantly higher in the IPM group, whereas PaCO2 remained significantly lower than in the IVM group.ConclusionsIPM achieved better analgesia than IVM and this effect is probably attributable to peripheral effects of morphine.
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