Hypercholesterolemia and hypertriglyceridemia as biochemical markers of disease in companion rabbits

Research output: Contribution to journalArticle

Abstract

Background: Inflammation has important effects on lipid metabolism, but the relationship between hyperlipidemia, inflammation, and disease remains unknown in rabbits. While rabbits are sensitive to dietary hypercholesterolemia, the etiology of hyperlipidemia when fed non-atherogenic diets is uncertain. Objectives: This study aimed to determine the association between hypercholesterolemia and patient characteristics, diseases, and select CBC and biochemistry analytes in rabbits, and to measure plasma lipoprotein lipid fractions in rabbits with inflammatory and other diseases. Methods: Complete blood count and plasma biochemistry data, including total cholesterol concentrations, were evaluated in 531 companion rabbits. Lipoprotein cholesterol fractions (non-high-density lipoprotein cholesterol [non-HDLc] and high-density lipoprotein [HDLc]) and triglycerides were measured using a colorimetric enzymatic assay in archived plasma from a subset of 267 rabbits. Rabbits were categorized by age, sex, spay/neuter status, breed, diet status (fed atherogenic dietary components or not), the organ system affected by disease, and the pathologic process. Results: Cholesterol was associated with fibrinogen (P = 0.01), globulins (P < 0.01), and heterophil (P < 0.01) concentrations. Adjusting for diet, rabbits with severe infection or sepsis (odds ratio [OR] = 13.25, 95% CI = 5.83-30.12), renal failure (OR = 14.42, 95% CI = 5.69-36.54), and hepatopathy (OR = 8.55, 95% CI = 3.55-20.62) had increased risks of hypercholesterolemia. Increased non-HDLc and triglyceride concentrations were also associated with these three disease states (P < 0.05). Conclusions: Hyperlipidemia is associated with biochemical and CBC markers of inflammation, and with severe infection or sepsis, renal failure, and hepatopathy. Independent of diet, increased cholesterol, non-HDLc, and triglycerides are indicators of disease in companion rabbits.

Original languageEnglish (US)
Pages (from-to)589-602
Number of pages14
JournalVeterinary Clinical Pathology
Volume47
Issue number4
DOIs
StatePublished - Dec 1 2018

Fingerprint

hypertriglyceridemia
Hypertriglyceridemia
hypercholesterolemia
Hypercholesterolemia
biomarkers
Biomarkers
rabbits
Rabbits
cholesterol
lipoproteins
hyperlipidemia
Hyperlipidemias
odds ratio
Diet
sepsis (infection)
inflammation
triacylglycerols
Odds Ratio
Cholesterol
renal failure

Keywords

  • hepatopathy
  • hyperlipidemia
  • lipoprotein
  • renal failure
  • sepsis

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Hypercholesterolemia and hypertriglyceridemia as biochemical markers of disease in companion rabbits. / Sharma, Diya; Hill, Ashley E; Christopher, Mary M.

In: Veterinary Clinical Pathology, Vol. 47, No. 4, 01.12.2018, p. 589-602.

Research output: Contribution to journalArticle

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abstract = "Background: Inflammation has important effects on lipid metabolism, but the relationship between hyperlipidemia, inflammation, and disease remains unknown in rabbits. While rabbits are sensitive to dietary hypercholesterolemia, the etiology of hyperlipidemia when fed non-atherogenic diets is uncertain. Objectives: This study aimed to determine the association between hypercholesterolemia and patient characteristics, diseases, and select CBC and biochemistry analytes in rabbits, and to measure plasma lipoprotein lipid fractions in rabbits with inflammatory and other diseases. Methods: Complete blood count and plasma biochemistry data, including total cholesterol concentrations, were evaluated in 531 companion rabbits. Lipoprotein cholesterol fractions (non-high-density lipoprotein cholesterol [non-HDLc] and high-density lipoprotein [HDLc]) and triglycerides were measured using a colorimetric enzymatic assay in archived plasma from a subset of 267 rabbits. Rabbits were categorized by age, sex, spay/neuter status, breed, diet status (fed atherogenic dietary components or not), the organ system affected by disease, and the pathologic process. Results: Cholesterol was associated with fibrinogen (P = 0.01), globulins (P < 0.01), and heterophil (P < 0.01) concentrations. Adjusting for diet, rabbits with severe infection or sepsis (odds ratio [OR] = 13.25, 95{\%} CI = 5.83-30.12), renal failure (OR = 14.42, 95{\%} CI = 5.69-36.54), and hepatopathy (OR = 8.55, 95{\%} CI = 3.55-20.62) had increased risks of hypercholesterolemia. Increased non-HDLc and triglyceride concentrations were also associated with these three disease states (P < 0.05). Conclusions: Hyperlipidemia is associated with biochemical and CBC markers of inflammation, and with severe infection or sepsis, renal failure, and hepatopathy. Independent of diet, increased cholesterol, non-HDLc, and triglycerides are indicators of disease in companion rabbits.",
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