Annals of emergency medicine
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
Comparison of intravenous ketorolac, meperidine, and both (balanced analgesia) for renal colic.
To compare the analgesic efficacy and safety of IV ketorolac, the only nonsteroidal antiinflammatory drug indicated for parenteral use in acute pain in the United States, with IV meperidine and with a combination of the two agents in renal colic. ⋯ IV ketorolac, alone or in combination with meperidine, was superior to IV meperidine alone in moderate and severe renal colic. Because many subjects in all three treatment groups received supplemental meperidine and because response to ketorolac alone cannot be predicted, clinicians may choose to initiate treatment with a ketorolac-meperidine combination.