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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
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Elevated LDL-C combined with hypertension worsens subclinical vascular impairment and cognitive function

Katalin Réka Kovács1, Zoltán Bajkó2, Csilla Cecília Szekeres3

  • 1Department of Neurology, Clinical Center, University of Debrecen, Debrecen, Hungary.

Journal of the American Society of Hypertension : JASH
|August 25, 2014
PubMed

Insights

Newly diagnosed hypertension and hyperlipidemia significantly worsen arterial wall health and cognitive function. Combining these conditions leads to more severe impairments, highlighting the need for early, intensive treatment to prevent deterioration.

Area of Science:

  • Cardiovascular Medicine
  • Neuroscience
  • Vascular Biology

Background:

  • Hypertension and hyperlipidemia are prevalent modifiable risk factors for cerebrovascular and cardiovascular diseases.
  • These conditions significantly impact vascular health and cognitive function.

Purpose of the Study:

  • To investigate the combined effects of newly diagnosed hypertension and hyperlipidemia on arterial wall characteristics and cognitive function.
  • To assess the impact of these risk factors individually and in combination.

Main Methods:

  • Cross-sectional study involving 72 hypertensive and 85 healthy individuals.
  • Subgroup analysis based on normotensive-normolipidemic to hypertensive-hyperlipidemic status.
  • Assessment of carotid intima-media thickness (IMT), arterial stiffness, and cognitive function (memory, attention, reaction time).

Main Results:

  • Carotid IMT and arterial stiffness were highest in subjects with both hypertension and hyperlipidemia, with intermediate values in those with a single risk factor.
  • Hypertensive patients showed poorer performance in memory, attention, and reaction time.
  • Increasing mean arterial pressure correlated with worsening IMT, arterial stiffness, and cognitive scores.

Conclusions:

  • Subclinical vascular and cognitive changes are present even in recently diagnosed hypertensive patients.
  • The combination of hyperlipidemia and hypertension exacerbates impairments in arterial wall characteristics and cognitive function.
  • Early and intensive management of both hypertension and hyperlipidemia is crucial to prevent disease progression.

Keywords:
Arterial stiffnesscardiovascular risk factorsintima-media thicknessneuropsychological performance

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