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Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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Calcium ions are essential to contract smooth muscle cells in blood vessels. They enter these cells through voltage-dependent calcium channels, specifically L-type calcium channels in the cell membrane. These L-type calcium channels are integral to the excitation-contraction coupling process in smooth muscle. When a stimulus is received by smooth muscle cells, their membrane depolarizes. This alteration in membrane potential instigates the opening of L-type calcium channels. As a result,...
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Video Experimental Relacionado

Updated: Mar 11, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

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Calcio de la arteria coronaria para guiar un enfoque personalizado basado en el riesgo al inicio e intensificación de

John W McEvoy1, Seth S Martin2, Zeina A Dardari2

  • 1From Ciccarone Center for the Prevention of Heart Disease, Johns Hopkins University School of Medicine, Baltimore, MD (J.W.M., S.S.M., Z.A.D., W.S.P., K.N., R.S.B., M.J.Blaha); Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, MN (M.D.M.); Radiology and Imaging Sciences, National Institutes of Health, Bethesda, MD (V.S.); Heart and Vascular Center of Excellence, Wake Forest Baptist Health, Winston-Salem, NC (J.Y.); Los Angeles Biomedical Research Institute at Harbor-UCLA, Torrance, CA (M.J.Budoff); Department of Epidemiology, Colorado School of Public Health, Aurora (D.C.G.); Cardiovascular Health Research Unit, Departments of Medicine, Epidemiology, and Health Services, University of Washington, Seattle (B.M.P.); and Center for Healthcare Advancement and Outcomes and Miami Cardiac and Vascular Institute, Baptist Health South Florida (K.N.). jmcevoy1@jhmi.edu.

Circulation
|November 25, 2016
PubMed
Resumen

La imagen del calcio de la arteria coronaria (CAC) puede ayudar a personalizar la intensidad del tratamiento de la presión arterial sistólica (SBP). El CAC, combinado con el riesgo de enfermedad cardiovascular aterosclerótica (ASCVD), guía las metas de SBP, especialmente para aquellos con prehipertensión o hipertensión leve.

Palabras clave:
tratamiento antihipertensivoriesgo de enfermedad cardiovascularCalcio en las arterias coronariasPresión arterial sistólica

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Área de la Ciencia:

  • Cardiología
  • La medicina preventiva
  • Imágenes médicas

Sus antecedentes:

  • La personalización de los objetivos de tratamiento de la presión arterial sistólica (PAS) utilizando el riesgo de enfermedad cardiovascular aterosclerótica (EACV) es cada vez más importante.
  • La imagen del calcio de la arteria coronaria (CAC) puede ofrecer más orientación sobre la intensidad del tratamiento antihipertensivo.

Objetivo del estudio:

  • Investigar si las imágenes del CAC pueden refinar la asignación de la intensidad del tratamiento para el SBP.
  • Evaluar el papel del CAC en la estratificación del riesgo cardiovascular más allá de las puntuaciones tradicionales de riesgo de ASCVD.

Principales métodos:

  • Análisis de 3733 participantes en el estudio multiétnico de aterosclerosis (MESA) con presión arterial normal de 120 a 179 mm Hg.
  • Estratificación por SBP, riesgo ASCVD a 10 años y puntuación CAC (0, 1-100, >100).
  • Comparación de los coeficientes de riesgo ajustados por multivariables para ASCVD o insuficiencia cardíaca, y estimación del número necesario para tratar para objetivos intensivos de SBP.

Principales resultados:

  • En individuos con SBP < 160 mm Hg, el riesgo de eventos de CAC se estratificó significativamente, particularmente cuando el riesgo de ASCVD fue < 15%.
  • Por ejemplo, entre aquellos con riesgo de ASCVD < 15% y SBP 120-159 mm Hg, las puntuaciones más altas de CAC se correlacionaron con mayores ratios de riesgo de eventos.
  • No se observó una asociación clara entre el CAC y los acontecimientos cuando el SBP fue de 160-179 mm Hg, independientemente del riesgo de ASCVD.

Conclusiones:

  • La imagen combinada de CAC y la evaluación del riesgo de ASCVD pueden guiar los objetivos de tratamiento personalizados de SBP (por ejemplo, 140 frente a 120 mm Hg).
  • Este enfoque es particularmente beneficioso para los adultos con un riesgo estimado de ASCVD del 5% al 15% y prehipertensión o hipertensión leve.
  • La obtención de imágenes CAC aporta valor añadido en la estratificación del riesgo para las personas que no cumplen con los umbrales de riesgo más altos de ASCVD.