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ABSTRACT OF THE WEEK

Veterinary medicine and science
Volume 8 | Issue 5 (September 2022)

Analgesic comparison between topical irrigation (splash block) versus injection of lidocaine on the ovarian pedicle in canine ovariectomy.

Vet Med Sci. September 2022;8(5):1893-1897.
Vincenzo Cicirelli1, Giovanni Michele Lacalandra2, Sándor Cseh3, Daniela Mrenoshki4, Edoardo Lillo5, Francesco Paolo Bianchi6, Giulio Guido Aiudi7
1 Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.; 2 Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.; 3 Department and Clinic of Obstetrics and Animal Reproduction, University of Veterinary Medicine, Budapest, Hungary.; 4 Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.; 5 Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.; 6 Department of Biomedical Science and Human Oncology, University of Bari "Aldo Moro", Bari, Italy.; 7 Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.
© 2022 The Authors. Veterinary Medicine and Science published by John Wiley & Sons Ltd.

Abstract

OBJECTIVES:The aim of this study was to compare the analgesic efficacy of topical irrigation versus injection of lidocaine on the ovarian pedicle to provide analgesia in bitches ovariectomy. In the current study were monitored: increased blood pressure, heart rate and respiratory rate to identify an acute intraoperative nociceptive response. These parameters were registered at six times during the surgical procedure: grasping of the ovary (time 1), dissection of the mesosalpinx (time 2), tightening of the first loop ligature (time 3), tightening of the second loop ligature (time 4), transection of the ovarian pedicle (time 5) and release of the ovary (time 6).
MATERIAL AND METHODS:Forty healthy bitches were randomly assigned in two groups (n = 20) to receive topical irrigation (splash block) of 2% lidocaine (C group) on both ovarian pedicle (2 mg/kg each), or an equal volume of lidocaine was injected at the same sites (R group).
RESULTS:The results of the present study suggest that splash block may provide intraoperative analgesic effects equivalent to injection in the ovarian pedicle in dogs that have undergone ovariectomy. The lidocaine improved surgical analgesia during canine ovariectomy in both groups, and this action is not affected by the inoculation technique.
CLINICAL SIGNIFICANCE:Pain management in veterinary patients is a crucial component of appropriate patient care. Therefore, the need for achieving safer anaesthesia for surgical intervention is gaining much attention. Ovariectomy is a common surgical procedure in bitches with medium level of pain. This study concluded that considering its relative simplicity, low cost, and safety, both techniques could be used in daily clinical practice.

Keywords
analgesia; lidocaine; ovariectomy; splash block;

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