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Research article - Peer-reviewed, 2011

Comparison of haemodynamic changes during two surgical methods for neutering female dogs

Hoglund, O. V.; Olsson, K.; Hagman, R.; Ohlund, M.; Olsson, U.; Lagerstedt, A. S.

Abstract

The aim was to investigate if intraoperative registrations of blood pressure and heart rate could be used to estimate surgical trauma. In a prospective clinical trial, registrations in eight dogs neutered by laparoscopic ovariectomy (LOE) were compared with eight dogs subjected to open ovariohysterectomy (OHE). For comparisons phases were used: phase zero = steady state after induction of anaesthesia; phase one = opening of abdomen; phase two severing of ovarian pedicles; and, phase three = abdominal closure. During LOE, mean systolic blood pressure increased by 7 mm Hg (p = 0.05) and 15 mm Hg (p = 0.01) from phase zero to phase one and two, respectively, and during OHE by 3 mm Hg (ns) and 29 mm Hg (p < 0.0001), respectively. The increase from phase one to phase two differed between groups (p = 0.03). Heart rate did not change. Frequent intraoperative measurements of blood pressure appear a promising method for evaluating surgical trauma. (C) 2010 Elsevier Ltd. All rights reserved.

Keywords

Blood pressure; Dog; Heart rate; Laparoscopic ovariectomy; Ovariohysterectomy; Surgical trauma

Published in

Research in Veterinary Science
2011, Volume: 91, number: 1, pages: 159-163
Publisher: ELSEVIER SCI LTD