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Updated: Feb 10, 2026

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Published on: November 7, 2020
Incidence of arterial catheter complications: a retrospective study of 35 cats (2010-2014)
Shaina Mooshian1, Sarah J Deitschel2, Jamie M Haggerty1
11 Pittsburgh Veterinary Specialty and Emergency Center, Pittsburgh, PA, USA.
Objectives:
The aim of this study was to investigate the incidence of complications associated with arterial catheterization in cats in a veterinary hospital, and to document which factors may increase the incidence of complications.
Methods:
Medical records at a referral veterinary hospital were retrospectively reviewed to identify cats that had an arterial catheter placed between January 2010 and October 2014.
Results:
Thirty-five cats having 38 arterial catheters were included in the study. There was a relatively high incidence of minor complications (23.7%), with the most common being catheter occlusion. The incidence of major arterial catheter complications was low (2.63%). Duration of catheter use was positively correlated to the incidence of complications. There was also a significant correlation between catheters used for intensive care unit monitoring and incidence of complications. All cats with catheter complications survived to discharge.
Conclusions And Relevance:
The low incidence of major arterial catheter complications in this population of cats illustrates that arterial catheterization is a safe monitoring and diagnostic tool. The duration of catheter placement is significantly associated with the incidence of catheter complications.
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