Music does not reduce alfentanil requirement during patient-controlled analgesia (PCA) use in extracorporeal shock wave lithotripsy for renal stones

Author(s): Diaz, J. E., Hernandez, V., Daza, E., Carr, D. B.

Journal/Book: J Pain Symptom Manage. 1998; 16: 382-7.

Abstract: To evaluate the impact of music on opioid requirements and pain levels during renal lithotripsy using alfentanil patient-controlled analgesia (PCA), we conducted a prospective, blinded, randomized controlled trial. Patients undergoing lithotripsy were instructed in PCA use and asked to rate their anxiety and select their preferred type of music. They were then premedicated with morphine and ketorolac and randomly allocated into two groups. Group 1 (n = 97) had music started 10 min before the procedure and maintained until 10 min after its conclusion. Group 2 (n = 96) had music begun at the conclusion of lithotripsy and continued for 10 min. Pain intensity, alfentanil requirement, side effects, quality of analgesia, patient satisfaction, and acceptance of the technique were evaluated. Demographics, alfentanil requirement, pain levels, side effects, quality of analgesia, and patient satisfaction were similar in both groups. The addition of music did not provide any benefit. This result raises the possibility that some nonpharmacologic therapies have minimal impact in settings where the painful stimulus is moderate to severe and adequate pharmacotherapy is available.

Keyword(s): Adolescence. Adult. Aged. Alfentanil/administration & dosage. Analgesia, Patient-Controlled. Dose-Response Relationship, Drug. Female. Human. Kidney Calculi/therapy. Lithotripsy. Male. Middle Age. Music. Support, Non-U.S. Gov't

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