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Elegibilidad para la indicación de inhibidores de PCSK9 según las recomendaciones de diferentes sociedades científicas / Eligibility for the indication of PCSK9 inhibitors according to the recommendations of different scientific societies
Siniawski, Daniel; Masson, Walter; Rossi, Emiliano; Damonte, Juan; Halsband, Ana; Pizarro, Rodolfo.
  • Siniawski, Daniel; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
  • Masson, Walter; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
  • Rossi, Emiliano; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
  • Damonte, Juan; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
  • Halsband, Ana; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
  • Pizarro, Rodolfo; Hospital Italiano de Buenos Aires. Servicio de Cardiología. AR
Medicina (B.Aires) ; 79(2): 104-110, abr. 2019. ilus, graf
Article in Spanish | LILACS | ID: biblio-1002615
RESUMEN
La reducción del colesterol-LDL (C-LDL) es un objetivo primordial en prevención cardiovascular. Estudios recientes demostraron beneficio clínico al administrar inhibidores de la proprotein convertase subtilisin/kexin-9 (iPCSK9) a pacientes que no habían logrado la meta de C-LDL con estatinas de alta intensidad y ezetimibe, sin embargo el uso de estos fármacos está limitado por su costo. El American College of Cardiology, la Sociedad Argentina de Cardiología y la European Society of Cardiology recomiendan una meta de C-LDL menor a 70 mg/dl en prevención secundaria, determinando umbrales de C-LDL de 70, 100 o 140 mg/dl respectivamente, para iniciar el tratamiento con iPCSK9. Con el objetivo de evaluar el esquema hipolipemiante prescripto en internados por síndrome coronario agudo o revascularización coronaria y analizar la proporción de elegibles para ser tratados con iPCSK9 en un escenario real y simulado, realizamos un estudio que incluyó 351 pacientes con enfermedad coronaria, tomados de una base de datos electrónica de un hospital universitario. El 48.4% recibió estatinas de elevada intensidad, 11.4% ezetimibe y 54.7% no logró la meta de C-LDL menor a 70 mg/dl. Utilizando un modelo de simulación en el que todos serían medicados con estatinas de elevada intensidad y ezetimibe, la elegibilidad para prescribir iPCSK9 fue de 31.1%, 12.8% y 9.1% según los umbrales de C-LDL determinados por las tres sociedades científicas. Nuestro estudio demostró una brecha entre las recomendaciones de los consensos para reducir el colesterol y la práctica habitual que debería ser minimizada para optimizar la relación costo/efectividad en prevención secundaria.
ABSTRACT
LDL-cholesterol (LDL-C) lowering is a primary objective in cardiovascular prevention. Recent studies demonstrated clinical benefit when proprotein convertase subtilisin/kexin-9 inhibitors (PCSK9i) were added to the treatment in patients who had not achieved the LDL-C goal despite being treated with high intensity statins and ezetimibe, however the use of these drugs is limited by their cost. The American College of Cardiology, the Argentine Society of Cardiology and the European Society of Cardiology recommend an LDL-C goal less than 70 mg/dl in secondary prevention, determining thresholds of LDL-C to start treatment with PCSK9i of 70, 100 or 140 mg/dl respectively. In order to evaluate the lipid-lowering regimen prescribed in patients hospitalized for acute coronary syndrome or coronary revascularization and analyze the proportion of eligible to be treated with PCSK9i in a real and simulated scenario, we conducted a study that included 351 patients with coronary disease collected from an electronic database of a university hospital. The 48.4% received high intensity statins, 11.4% ezetimibe and 54.7% did not achieve the LDL-C goal of less than 70 mg/dL. Using a simulation model in which all would be treated with high intensity statins and ezetimibe, the eligibility to prescribe PCSK9i was 31.1%, 12.8% and 9.1% according to the C- LDL thresholds determined by the three scientific societies. Our study demonstrated a gap between the consensus recommendations for LDL-C lowering and the current practice that should be minimized to optimize the cost/effectiveness ratio in secondary prevention.
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Full text: Available Index: LILACS (Americas) Main subject: Proprotein Convertase 9 / Hypercholesterolemia / Anticholesteremic Agents Type of study: Practice guideline / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Argentina Language: Spanish Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Italiano de Buenos Aires/AR

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Full text: Available Index: LILACS (Americas) Main subject: Proprotein Convertase 9 / Hypercholesterolemia / Anticholesteremic Agents Type of study: Practice guideline / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Argentina Language: Spanish Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Italiano de Buenos Aires/AR