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  • Title: [Platelet aggregation in patients with various forms of left ventricular hypertrophy and its changes at long-term follow-up and treatment].
    Author: Riazanov AS, Gabbasov ZA, Iurenev AP.
    Journal: Ter Arkh; 2000; 72(11):50-4. PubMed ID: 11270958.
    Abstract:
    AIM: To study platelet aggregation (PA) in patients with left ventricular hypertrophy (LVH) in essential hypertension (EH) and hypertrophic cardiomyopathy (HTCM), and to assess aspirin treatment effects. MATERIAL AND METHODS: A general clinical examination, echocardiography, 24-h monitoring of ECG and arterial pressure, bicycle exercise, test for platelet aggregation, routine blood biochemical tests were performed in 30 males with EH and LVH, 30 males with HTCM and 10 healthy controls. RESULTS: It was found that the patients had high platelet sensitivity to aggregation inductors as well as high spontaneous aggregation. LVH severity correlated positively with activation of spontaneous and induced platelet aggregation. This dependence is unrelated to arterial pressure or the disease duration. Patients with episodes of silent myocardial ischemia had a more pronounced rise in spontaneous and induced platelet aggregation than those without silent ischemia. A long-term administration of aspirin significantly lowered spontaneous and induced platelet aggregation, depression of ST segment. The above changes occurred both in HTCM and in hypertensive patients with LVH. CONCLUSION: Platelet aggregation correlates with severity of LVH and episodes of silent myocardial ischemia both in patients with hypertension, LVH and HTCM.
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