Revista española de anestesiología y reanimación
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Rev Esp Anestesiol Reanim · Jul 1993
Randomized Controlled Trial Comparative Study Clinical Trial[Treatment of postoperative pain with intravenous PCA system. Comparison with morphine, metamizole, and buprenorphine].
To evaluate the postoperative analgesic efficacy, side effects and acceptance by patients and nurses of intravenous "patient-controlled analgesia" (PCA) with morphine, metamizole and buprenorphine. ⋯ Intravenous postoperative PCA was effective with all three drugs studied. Patient and nurse acceptance was good and side effects were few in the three groups. The lower rate of side effects for metamizole makes it the drug of choice.