Retrospective evaluation of the etiology and clinical characteristics of peripheral edema in dogs

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Date
2023-07-15
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Whelchel, Bradley D
Palerme, Jean-Sebastien
Tou, Sandy P
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Wiley Periodicals LLC on behalf of American College of Veterinary Internal Medicine.
Abstract
Background The prevalence and clinical characteristics of different etiologies of peripheral edema in dogs are unknown. Hypothesis/Objectives To determine the prevalence of different etiologies of peripheral edema, describe clinical characteristics that vary among etiologies, and report survival times. Animals Five hundred twenty-seven dogs with peripheral edema. Methods Retrospective medical record review. Differences in clinical variables among etiology groups were assessed by Kruskal-Wallis testing with post hoc pairwise Dunn's testing and Chi-square testing with Monte Carlo simulation. Results The most common etiologies of peripheral edema in dogs were vasculitis (n = 193, 37%), lymphatic/venous obstruction (LVO; 114, 22%), and hypoalbuminemia (94, 18%). Right-sided congestive heart failure (R-CHF) was uncommon (25, 5%). Edema was localized in 377 (72%) dogs and generalized in 142 (27%) dogs, and hypoalbuminemia was more likely to cause generalized edema compared to LVO or vasculitis (P < .0001). Concurrent abdominal effusion (155, 29%) was more common than pleural (77, 15%) or pericardial (12, 2%) effusion. Abdominal and pleural effusion occurred more commonly in dogs with hypoalbuminemia or R-CHF compared to LVO or vasculitis (P < .0001). Conclusions and Clinical Importance Distribution of edema, concurrent cavitary effusions, and clinicopathological data can help predict the underlying etiology of peripheral edema in dogs.
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This article is published as Whelchel, BD, Palerme, J-S, Tou, SP, Ward, JL. Retrospective evaluation of the etiology and clinical characteristics of peripheral edema in dogs. J Vet Intern Med. 2023; 37(5): 1725-1737.http://dx.doi.org/10.1111/jvim.16815. Posted with permission.
© 2023 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals LLC on behalf of American College of Veterinary Internal Medicine.
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