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Front. Vet. Sci. | doi: 10.3389/fvets.2019.00171

Advantages of a Novel Device for Arterial Catheter Securement in Anesthetized Dogs: A Pilot Randomized Clinical Trial

 Kazumasu Sasaki1, 2, 3*,  Takuya Shiga3 and Gomez de Segura A. Ignacio4
  • 1Sendai Animal Care and Research Center, Japan
  • 2Akita Cerebrospinal and Cardiovascular Center, Japan
  • 3Tohoku University, Japan
  • 4Complutense University of Madrid, Spain

Arterial catheters are used for intraoperative continuous direct blood pressure monitoring in dogs. Factors such as bending and occlusion of the cannula are believed to be involved in direct blood pressure measurement failure. However, no method has been proposed to improve the maintenance of arterial catheter patency in veterinary medicine. The aim of this pilot study was to evaluate the patency of arterial catheters when using an arterial catheter securement device in the dorsal pedal artery of dogs under general anesthesia. Client-owned dogs (n = 120) were anesthetized for surgical procedures, during which direct arterial blood pressure was monitored using an arterial catheter secured with conventional film dressing and medical tape. A securement device, allowing an angle of 12.5° to the skin surface of the dorsal pedal area, was used in 50% of the dogs (n = 60). Significant reductions were observed in the frequency of catheter flushing and rate of occlusion in the experimental group compared to the control group (13.3% vs 35.0%, relative risk [RR]: 0.381, 95% confidence interval [CI]: 0.183–0.792, P = 0.001 and 8.3% vs 23.3%, RR: 0.376, 95% CI: 0.145–0.977, P = 0.044, respectively). The Kaplan-Meier curves for assessing the probability of occlusion were significantly different between the groups (P = 0.042). In conclusion, this pilot study suggests that the novel arterial catheter securement device is effective for achieving stable securement of the catheter hub in the dorsal pedal artery and for maintaining a longer duration of arterial catheter patency in dogs under general anesthesia. Therefore, the use of an arterial catheter securement device in the dorsal pedal artery of dogs would be useful for continuous hemodynamic monitoring and improve patient safety when direct arterial blood pressure monitoring is required in dogs undergoing general anesthesia.

Keywords: Arterial catheter, arterial catheter securement device, dog, dorsal pedal artery, intraoperative direct arterial blood pressure monitoring

Received: 25 Mar 2019; Accepted: 16 May 2019.

Edited by:

Karine Portier, Université de Lyon, France

Reviewed by:

Tristan Merlin, Eastcott Referrals, United Kingdom
Celine Pouzot-Nevoret, VetAgro Sup, France  

Copyright: © 2019 Sasaki, Shiga and Ignacio. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Kazumasu Sasaki, Sendai Animal Care and Research Center, Sendai, Japan, k-sasaki@gaea.ocn.ne.jp