The opioid-sparing effect of diclofenac sodium in outpatient extracorporeal shock wave lithotripsy (ESWL)

Brian Fredman, Robert Jedeikin, David Olsfanger, Michael Aronheim

Research output: Contribution to journalArticlepeer-review

Abstract

Study Objective: To evaluate the opioid-sparing and analgesic effect of diclofenac sodium in ambulatory nonimmersion extracorporeal shock wave lithotripsy (ESWL). Design: Randomized, double-blind, placebo-controlled study. Setting: Large referral hospital. Patients: Twenty-seven ASA physical status I and II patients with upper renal tract neohrolithiasis. Intervensions: ESWL was performed with a sedative-analgesic technique. Diclofenac sodium 75mg or an equal volume of saline was given intramuscularly 45 minutes prior to the procedure. Fentanyl and midazolam were added to maintain adequate sedation and analgesia. Measurements and Main Results: Demographically, both groups were comparable. In the diclofenac sodium group, heart rate was slightly higher, treatment time was shorter, more shock waves were administered (p < 0.02), and less fentanyl was required (p < 0.02). Mean arterial pressure was lower and arterial oxygen saturation by pulse oximeter was higher in the diclofenac sodium group. There were no differences between the groups in voltage, stone size, fragmentation, dose of midazolam administered, or overall assessment by both the doctors and patients. Conclusions: Patients administered diclofenac sodium received a greater number of shock waves, required less fentanyl, and showed a marginal improvement in hemodynamic stability and oxygenation during ambulatory nonimmersion ESWL.

Original languageEnglish
Pages (from-to)141-144
Number of pages4
JournalJournal of Clinical Anesthesia
Volume5
Issue number2
DOIs
StatePublished - 1993

Keywords

  • Anesthesia-intravenous, outpatient
  • diclofenac sodium
  • extracorporeal shock wave lithotripsy
  • renal calculi

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