New blood test to measure heart attack risk: C-reactive protein

Joanne R Duffy1, Maria Salerno

  • 1The Catholic University of America, Washington, DC 20064, USA. jduffy@cua.edu

Insights

High-sensitivity C-reactive protein (hs-CRP) is a key inflammation marker for assessing myocardial infarction risk. This review explores its role beyond lipids in predicting cardiovascular events.

Area of Science:

  • Cardiology
  • Inflammation Markers

Background:

  • In 2003, a joint statement recommended high-sensitivity C-reactive protein (hs-CRP) as an optional risk factor for myocardial infarction.
  • This recommendation was driven by growing evidence linking inflammation to acute coronary syndrome.
  • The statement advocated for a more proactive strategy in identifying patients at risk for cardiovascular events.

Purpose of the Study:

  • To examine the utility of hs-CRP as a non-lipid marker for cardiovascular event risk.
  • To discuss the implications of hs-CRP use in clinical practice, medical education, and future research.

Main Methods:

  • Review of the 2003 American Heart Association/Centers for Disease Control and Prevention scientific statement.
  • Analysis of the role of inflammation in cardiovascular disease pathogenesis.
  • Discussion of hs-CRP as a risk stratification tool.

Main Results:

  • hs-CRP is a valuable marker of inflammation and an independent predictor of cardiovascular events.
  • Its use allows for a more aggressive approach to risk assessment compared to traditional lipid profiles alone.
  • Evidence supports hs-CRP's role in identifying individuals at risk for acute coronary syndrome.

Conclusions:

  • hs-CRP offers significant value as a non-lipid biomarker for cardiovascular risk assessment.
  • Integrating hs-CRP into risk assessment strategies has implications for clinical practice and patient management.
  • Further research is warranted to fully elucidate the long-term impact and optimal utilization of hs-CRP in cardiovascular medicine.

Related Concept Videos

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Exercise Stress Test01:26

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes