Estudo comparativo entre agregação plaquetária por turbidimetria e impedância elétrica em relação a pacientes sob terapia antiplaquetária a base de ácido acetilsalicílico / Comparative study between platelet aggregation by turbidimetric and impedance methods in patients under acetylsalicilic acyd antiplatelet therapy
AUTOR(ES)
Leonardo Lorenzo da Silva
DATA DE PUBLICAÇÃO
2010
RESUMO
The adhesion of platelets in the blood vessel wall and subsequent aggregation are crucial events in both bleeding and thrombosis. The hyperaggregation (excessive aggregation) of platelets can cause the formation of a thrombus and subsequent occlusion of blood vessels leading to an ischemic process. Antiplatelet therapy with acetylsalicylic acyd reduces by 25% the risk of myocardial infarctions, non-fatal strokes or deaths from vascular causes in patients at high risk, regardless of sex or age. To laboratory evaluation of the effectiveness of this therapy, the method most used is the platelet aggregation test, which can be done in two methods, the turbidimetric and electrical impedance. With this scenario, the objective of the study is to compare these two methodologies for monitoring the treatment. For such purpose, blood samples from 30 adult patients (mean 42 years) of both sexes who make regular use of the drug was analyzed using the two methodologies, and their results was analyzed and compared. The studys results showed little difference statistically significant (p <0.05) between the two methods with the main stimulant agents, indicating that the method of electrical impedance can be used in routine laboratory instead or complementing the methodology of turbidimetric for monitor antiplatelet therapy by acetylsalicylic acyd
ASSUNTO(S)
Ácido acetilsalicilico agregação plaquetária aspirin blood platelets electric impedance impedância elétrica nephelometry and turbidimetry plaquetas platelet aggregation turbidimetria
Documentos Relacionados
- Estudo comparativo entre agregação plaquetária por turbidimetria e impedância elétrica em pacientes sob terapia antiplaquetária à base de ácido acetilsalicílico
- Platelet impedance aggregation in whole blood and its inhibition by antiplatelet drugs.
- Effects of simvastatin/ezetimibe on microparticles, endothelial progenitor cells and platelet aggregation in subjects with coronary heart disease under antiplatelet therapy
- Efeito do implante de etonogestrel sobre a agregação plaquetária de mulheres hígidas
- Hiporresponsividade à terapia antiplaquetária