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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Silent cerebral white matter lesions and cognitive function in middle-aged essential hypertensive patients
Cristina Sierra1, Alejandro De La Sierra, Manel Salamero
1Hypertension Unit, Department of Internal Medicine, Hospital Clínic, University of Barcelona, Barcelona, Spain. csierra@clinic.ub.es
Insights
Middle-aged hypertensive patients with silent white matter lesions show mild attention deficits. This finding highlights the importance of monitoring cognitive function in hypertension management.
Area of Science:
- Neurology
- Cardiology
- Psychology
Background:
- Midlife hypertension is linked to cognitive decline and cerebral white matter lesions.
- White matter lesions are prognostic factors for cognitive impairment in elderly hypertensive patients.
- The study investigates cognitive function in relation to white matter lesions in asymptomatic, middle-aged hypertensive individuals.
Purpose of the Study:
- To evaluate cognitive function in asymptomatic, middle-aged hypertensive patients.
- To determine the association between white matter lesions and cognitive performance.
- To assess attention, memory, and intelligence in relation to hypertension and white matter lesions.
Main Methods:
- Sixty never-treated essential hypertensive patients (aged 50-60) were studied.
- Brain magnetic resonance imaging was used to identify white matter lesions (Rotterdam criteria).
- A neuropsychologic test battery assessed attention, memory, intelligence, anxiety, and depression.
Main Results:
- 38% of hypertensive patients had white matter lesions.
- Patients with white matter lesions performed significantly worse on digit span forward (attention).
- No significant differences in memory or intelligence were observed between groups.
Conclusions:
- Silent cerebral white matter lesions in middle-aged hypertensives are associated with a mild decline in basic attention.
- Early detection of white matter lesions may help predict cognitive changes.
- This suggests a need for proactive cognitive monitoring in hypertensive individuals.
Background:
An association between midlife blood pressure levels and late-life cognitive impairment has been reported. Hypertension is one of the most important factors related to the presence of cerebral white matter lesions, which is a prognostic factor for the development of cognitive impairment. Studies have shown a relationship between white matter lesions and cognitive decline in elderly hypertensive patients. The aim of the present study was to evaluate cognitive function in asymptomatic middle-aged hypertensive patients according to the presence or absence of white matter lesions.
Methods:
Sixty never-treated essential hypertensive patients (38 men, 22 women), aged 50 to 60 years (mean age, 54.4 +/- 3.8 years), without clinical evidence of target organ damage, were studied. All patients underwent brain magnetic resonance imaging to establish the presence or absence of white matter lesions, using the Rotterdam criteria. Cognitive function was evaluated by a neuropsychologic test battery measuring attention, memory, intelligence, anxiety, and depression.
Results:
Twenty-three hypertensive patients (38%) were found to have white matter lesions on brain resonance. These patients exhibited a significantly worse performance on digit span forward, a standardized measure of attention than hypertensives without white matter lesions (4.86 +/- 1.14 v 5.51 +/- 0.97; P =.027). Hypertensive patients with white matter lesions showed no differences on both visual and logical memory tests when compared with patients without lesions.
Conclusions:
We conclude that the presence of silent cerebral white matter lesions in middle-aged hypertensive patients is associated with a mild decline in basic attention.
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