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Blood pressure assessment in healthy cats and cats with hypertensive retinopathy

Jane Sansom1, Katherine Rogers, James L N Wood

  • 1Ophthalmology Unit, Animal Health Trust, Lanwades Park, Newmarket, Suffolk CB8 7UU, England.

American Journal of Veterinary Research
|February 21, 2004
PubMed

Insights

Hypertensive retinopathy is common in older cats and linked to high systolic blood pressure (BP) over 168 mm Hg. This study investigated the association between feline hypertension and retinopathy.

Area of Science:

  • Veterinary Medicine
  • Ophthalmology
  • Cardiology

Background:

  • Hypertension is a significant health concern in feline patients.
  • Retinopathy is a potential complication of elevated blood pressure.

Purpose of the Study:

  • To investigate the association between hypertensive retinopathy and blood pressure parameters in cats.
  • To identify risk factors for hypertensive retinopathy in felines.

Main Methods:

  • Noninvasive oscillometric technique used to measure systolic, diastolic, and mean arterial blood pressures in 181 cats.
  • Determined blood pressure ranges in healthy cats across different age groups.
  • Assessed associations between blood pressure, retinopathy, and other health conditions like hyperthyroidism and chronic renal failure.

Main Results:

  • Blood pressure measurements increased with age in healthy cats.
  • Hypertensive retinopathy prevalence rose with age and blood pressure, particularly above 168 mm Hg systolic.
  • Female, older (>10 years), and neutered cats showed increased risk for retinopathy.
  • Chronic renal failure risk also correlated with increased blood pressure.

Conclusions:

  • Hypertensive retinopathy is prevalent in cats aged 10 years and older.
  • Systolic blood pressure exceeding 168 mm Hg is associated with hypertensive retinopathy in cats.
  • Noninvasive blood pressure measurement is a key diagnostic tool.
Abstract

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