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DOI: 10.3415/VCOT-15-05-0088
Intra-articular implantation of gentamicin impregnated collagen sponge causes joint inflammation and impaired renal function in dogs
The authors received funding for this study from the Pet Trust, Ontario Veterinary College, Ontario, Canada.Publication History
Received:
26 May 2015
Accepted:
20 February 2015
Publication Date:
19 December 2017 (online)
![](https://www.thieme-connect.de/media/10.1055-s-00035023/201602/lookinside/thumbnails/10-3415-vcot-15-05-0088-1.jpg)
Summary
Objective: Gentamicin impregnated collagen sponge (GICS) can be used to treat intra-articular surgical site infections. High local concentrations of gentamicin can be reached for short periods; however the collagen vehicle may persist for much longer periods. We wished to determine the effect of sponge implantation on joint inflammation and renal function.
Methods: Eighteen medium sized mixed breed research dogs of hound type were randomized to two groups; arthroscopic implantation of GICS at gentamicin dose = 6 mg/kg (n = 9) or sham operation (n = 9). Endpoints consisted of joint inflammation measured by synovial fluid cell counts and cytokine concentrations; lameness measured by force plate asymmetry indices; and renal function measured by glomerular filtration rate (GFR) study. The prevalence of lesions associated with aminoglycoside nephrotoxicity was assessed by renal biopsy and transmission electron microscopy.
Results: Gentamicin impregnated collagen sponge implantation caused joint inflammation (p <0.01), lameness (p = 0.04), and decreased GFR (p = 0.04). No difference was observed in the prevalence of renal lesions on biopsy between the treatment and control groups (p = 0.49).
Clinical significance: Gentamicin impregnated collagen sponge implantation causes joint inflammation and lameness as well as GFR reductions at the dose assessed. Gentamicin impregnated collagen sponge are not recommended for intra-articular implantation in dogs.
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