ArticleJournal of veterinary internal medicine2021
Effect of a long-term high-energy diet on cardiovascular parameters in Shetland pony mares.
Article in Journal of veterinary internal medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Echocardiographic characteristics and evidence of ventricular remodeling in subclinical insulin-dysregulated Warmblood horses.Journal of veterinary internal medicine · 2026Article
- The effects of a plant-based and a plant- and marine-based n-3 oil supplement on behavioral reactivity, heart rate variability, and plasma fatty acid profile in young healthy horses.Journal of animal science · 2025Article
- Integrative anatomical and two-dimensional ultrasonographic assessment of the heart in Shetland ponies.Frontiers in veterinary science · 2025Article
- Investigating the Relationship Between Cardiac Function and Insulin Sensitivity in Horses: A Pilot Study.Frontiers in veterinary science · 2022Article
- Effect of a long-term high-energy diet on cardiovascular parameters in Shetland pony mares.Journal of veterinary internal medicine · 2021Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundChanges in cardiovascular parameters, including blood pressure (BP) and cardiac anatomical dimensions, are an inconsistent feature of the equine metabolic syndrome. The order in which these changes arise is unknown.
objectivesDetermine the order in which EMS-associated changes in cardiovascular parameters arise. ANIMALS: Twenty Shetland pony mares.
methodsHigh-energy (HE) diet mares were fed 200% of net energy requirements for 1 (n = 3) or 2 (n = 7) consecutive diet-years, with 17 weeks of hay-only between years. Noninvasive BP measurements and echocardiograms were performed during both years. Resting 24-hour ECGs and measurements of autonomic tone (splenic volume and packed cell volume [PCV]) were performed at the end of diet-year 1. Results were compared to control mares receiving a maintenance diet for 1 (n = 7) or 2 (n = 3) consecutive years.
resultsIn year 1, HE mares had significantly higher values than control mares for mean relative left ventricular wall thickness (P = .001). After 2 diet-years, mean systolic (P = .003), diastolic (P < .001) and mean arterial BP (P = .001), heart rate (HR; P < .001), and mean left ventricular wall thickness (P = .001) also were significantly increased in HE compared to control mares. No pathological arrhythmias or differences in splenic volume or PCV were detected. CONCLUSIONS AND CLINICAL IMPORTANCE: Ingesting a HE diet first induced minor changes in BP, and progressed to left-sided cardiac hypertrophy in Shetland pony mares. These findings are of interest given the increasing incidence of obesity in horses.
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