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- W2087514248 abstract "Se ha indicado que la utilización de dosis altas de estatinas podría reducir la aparición de nuevos eventos cardiovasculares en comparación con las dosis convencionales. Nuestro objetivo fue estudiar el efecto del incremento de la dosis de atorvastatina (80 mg/día) en diferentes marcadores del sistema inflamatorio (proteína C reactiva [PCR]), hemostático (fragmento F 1+2 de la protrombina [F1+2]) y fibrinolítico (activador tisular del plasminógeno antigénico [t-PA] y su inhibidor [PAI-1]). Se estudió a 27 pacientes con cardiopatía isquémica de alto riesgo que presentaban cifras lipídicas superiores a las recomendadas a pesar del tratamiento con 40 mg/día de atorvastatina. Se compararon con 21 sujetos normocolesterolémicos sin enfermedad arteriosclerótica conocida. Se revaluó a 24 pacientes a los 3 meses del incremento de la dosis. Los pacientes presentaron cifras elevadas de PCR, F1+2, t-PA, y PAI-1 en comparación con el grupo control (en todos, las variables tuvieron un valor de p < 0,05). Tras incrementar la dosis de atorvastatina se observó una reducción de las cifras de PCR, F1+2 y PAI-1 (p < 0,05). Se observó una correlación positiva entre los porcentajes de reducción de colesterol y del F1+2 (r = 0,46; p = 0,023), sin que se hallara otra correlación significativa entre los demás parámetros. Al incrementar las dosis de atorvastatina a 80 mg/día se consigue una reducción de los estados inflamatorios, trombógenicos e hipofibrinolíticos en un grupo de pacientes con cardiopatía isquémica de alto riesgo y cifras elevadas de lípidos a pesar del tratamiento con dosis de 40 mg/día de atorvastatina. It has been suggested that high doses of statins can be more effective in reducing the incidence of new cardiovascular events than conventional doses. The present study analyzed the effect of increasing the atorvastatin dose to 80 mg/day on indices of inflammation (C-reactive protein or CRP), thrombogenesis (prothrombin fragment [F1+2]) and fibrinolysis (tissue- type plasminogen activator antigen, t-PA, and its inhibitor PAI-1) in high-risk patients with ischemic heart disease. We studied 27 patients with high-risk coronary heart disease who had lipid levels above those recommended despite treatment with atorvastatin at 40 mg/day. At baseline, patients were compared with 21 normocholesterolemic subjects without arteriosclerotic disease. Twenty-four patients were reevaluated 3 months after the atorvastatin dose was increased to 80 mg/day. The CRP, F1+2, t-PA and PAI-1 levels were significantly higher in patients than control subjects (all P<.05). After the atorvastatin dose was increased, significant reductions in CRP, F1+2, and PAI-1 levels were observed (P<.05). There was a significant positive correlation between the reduction in cholesterol level and that in F1+2 (r =0.43; P=.023). No other significant correlations were found. In a group of patient with high-risk heart disease and elevated lipid levels, increasing the atorvastatin dose led to significant improvements in inflammatory, thrombogenic, and hypofibrinolytic states." @default.
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- W2087514248 date "2005-08-01" @default.
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- W2087514248 title "Efecto de dosis máximas de atorvastatina en la inflamación, la trombogénesis y la función fibrinolítica en pacientes con cardiopatía isquémica de alto riesgo" @default.
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