The antiemetic effect of dexamethasone during continuous subcutaneous infusion of morphine for postoperative pain relief

Hiroyuki Seki, Masanori Kashiwagi, Junichi Masuda, Nami Ohyama, Michihiro Kamata

Research output: Contribution to journalArticle

Abstract

Background: Dexamethasone is known to reduce the incidence of postoperative nausea and vomiting, associated with perioperative intrathecal, epidural, or intravenous morphine. However, the effect of dexamethasone on subcutaneous morphine is unclear. Therefore, we evaluated the antiemetic effect of intravenous dexamethasone during continuous subcutaneous infusion of morphine for post-operative pain relief. Methods: Twenty patients scheduled for spinal surgery under general anesthesia were enrolled in this randomized, double-blind, and placebo-controlled study. The dexamethasone group (n = 10) received dexamethasone 8 mg and the saline group (n = 10) received the same amount of saline before the induction of anesthesia. Anesthesia was maintained with propofol and fentanyl. Postoperative pain was treated with continuous subcutaneous morphine via a patient-controlled analgesia device. Postoperatively patients were assessed during 48 hours for nausea and vomiting. Results: Nausea or vomiting ascribable to the subcutaneous morphine developed in 40% of the patients in each group (P:NS). Conclusions: Our results suggest that the single dose of dexamethasone (8 mg) does not reduce postoperative nausea and vomiting associated with continuous subcutaneous infusion of morphine after spinal surgery.

Original languageEnglish
Pages (from-to)381-386
Number of pages6
JournalJapanese Journal of Anesthesiology
Volume54
Issue number4
Publication statusPublished - 2005 Apr

Fingerprint

Subcutaneous Infusions
Antiemetics
Postoperative Pain
Morphine
Dexamethasone
Postoperative Nausea and Vomiting
Nausea
Vomiting
Anesthesia
Patient-Controlled Analgesia
Fentanyl
Propofol
General Anesthesia
Placebos
Pain
Equipment and Supplies
Incidence

Keywords

  • Dexamethasone
  • Morphine
  • Nausea and vomiting

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

The antiemetic effect of dexamethasone during continuous subcutaneous infusion of morphine for postoperative pain relief. / Seki, Hiroyuki; Kashiwagi, Masanori; Masuda, Junichi; Ohyama, Nami; Kamata, Michihiro.

In: Japanese Journal of Anesthesiology, Vol. 54, No. 4, 04.2005, p. 381-386.

Research output: Contribution to journalArticle

Seki, Hiroyuki ; Kashiwagi, Masanori ; Masuda, Junichi ; Ohyama, Nami ; Kamata, Michihiro. / The antiemetic effect of dexamethasone during continuous subcutaneous infusion of morphine for postoperative pain relief. In: Japanese Journal of Anesthesiology. 2005 ; Vol. 54, No. 4. pp. 381-386.
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