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Updated: May 25, 2026
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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
[Correlation between increased platelet ADP aggregability and silent brain infarcts].
Kenichiro Ono1, Hirohiko Arimoto, Toshiki Shirotani
1Department of Neurosurgery, Japan Self Defense Forces Central Hospital, Tokyo, Japan.
Brain and Nerve = Shinkei Kenkyu No Shinpo
|February 7, 2012
Summary
Platelet hyperaggregability, a condition where platelets clump excessively, is linked to silent brain infarcts. This finding suggests a potential new risk factor for these brain lesions.
Area of Science:
- Neurology
- Hematology
- Cardiovascular Research
Context:
- Silent brain infarcts are common, particularly in aging populations.
- Platelet function is crucial in cerebrovascular health.
- Understanding risk factors for silent brain infarcts is vital for prevention.
Purpose:
- To investigate the correlation between platelet aggregability and the presence of silent brain infarcts.
- To identify potential risk factors for silent brain infarcts in individuals without overt neurological disease.
Summary:
- This study analyzed 445 participants, measuring adenosine diphosphate (ADP)-induced platelet aggregation.
- Silent brain infarcts were detected in 26.3% of subjects.
- Platelet hyperaggregability (above class 6) was observed in 43.8% of participants.
- Aging, hypertension, positive MRA findings, and platelet hyperaggregability were identified as risk factors for silent brain infarcts.
Impact:
- Platelet ADP hyperaggregability may represent a novel, modifiable risk factor for silent brain infarcts.
- These findings could inform new diagnostic or therapeutic strategies for cerebrovascular disease prevention.
- Highlights the importance of assessing platelet function in individuals at risk for stroke.
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