DOI 10.5414/CP201862

Int. Journal of Clinical Pharmacology and Therapeutics, Volume 51 - August (652 - 659)

Effect of epidural levobupivacaine and levobupivacaine with fentanyl on stress response and postoperative analgesia after total knee replacement

Esra Gumus Bayazit1, 5, Kazim Karaaslan2, Kutay Ozturan3, Erdinc Serin4, Hasan Kocoglu1
1 Abant Izzet Baysal University Hospital, Department of Anesthesiology, Bolu, 2 Bezmialem Vakif University Medical Faculty, Department of Anesthesiology, Istanbul, 3 Abant Izzet Baysal University Hospital, Department of Orthopedics, Traumatology, 4 Abant Izzet Baysal University Hospital, Faculty of Medicine, Department of Biochem, Bolu, Turkey, 5 The Princess Alexandra Hospital, Department of Anesthesiology, Essex, UK (Current Address)

Abstract

Background: Providing sufficient and convenient analgesia is crucial during the postoperative period after totalknee replacement (TKR) to enhance patient mobility and reduce stress response to surgery. The scope of this study is to compare the effects of levobupivacaine and levobupivacaine plus fentanyl on stress response and analgesic efficiency after TKR. Method: In this study, 40 ASA I – II patients scheduled to undergo TKR were subjected to combined spinal epidural anesthesia (CSEA) injecting of 15 mg levobupivacaine and randomly assigned to receive either levobupivacaine 0.125% (Group L) or levobupivacaine 0.125% plus fentanyl 4 μg ml–1 (Group F) during postoperative period via the epidural route. Patient controlled epidural analgesia (PCEA) was offered for 24 hours. Venous blood samples were assayed for adrenocorticotropic hormone (ACTH), cortisol and prolactin levels before surgery and after analgesia administration. Analgesia was assessed using a visual analogue scale (VAS) at rest (VASR) and during movement (VASM). Results: There was no statistically significant difference between the groups in terms of total doses, bolus requests, bolus delivered and side effects (p > 0.05). The ACTH, cortisol and prolactin levels increased following the surgery and decreased during PCA infusion in both groups where the decline in Group F was significant (p < 0.05) at 24 hours after the analgesic treatment and 48 hours after the surgery. Conclusion: We have demonstrated that infusion of levobupivacaine (0.125%) in combination with fentanyl (4 μg ml–1) using PCEA suppressed stress response to surgery significantly and provided better pain relief than levobupivacaine (0.125%) alone after TKR.

Author Details

Authors

  • Esra Gumus Bayazit1
  • 5
  • Kazim Karaaslan2
  • Kutay Ozturan3
  • Erdinc Serin4
  • Hasan Kocoglu1

Departments

  • 1 Abant Izzet Baysal University Hospital, Department of Anesthesiology, Bolu,
  • 2 Bezmialem Vakif University Medical Faculty, Department of Anesthesiology, Istanbul,
  • 3 Abant Izzet Baysal University Hospital, Department of Orthopedics, Traumatology,
  • 4 Abant Izzet Baysal University Hospital, Faculty of Medicine, Department of Biochem, Bolu, Turkey,
  • 5 The Princess Alexandra Hospital, Department of Anesthesiology, Essex, UK (Current Address)

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