Diagnostic value of C-reactive protein in patients with angiographically documented coronary heart disease

Esin Eren1, Necat Yilmaz, Sadrettin Pence

  • 1Department of Biochemistry, Gaziantep University Medical School, Gaziantep, Turkey.

Acta Medica (Hradec Kralove)
|February 18, 2003
PubMed

Insights

Serum C-reactive protein (CRP) can help predict coronary artery disease (CAD). While CRP levels were higher in patients with CAD, they did not correlate with disease severity.

Area of Science:

  • Cardiovascular Medicine
  • Clinical Chemistry
  • Biomarkers

Background:

  • Coronary artery disease (CAD) poses a significant global health challenge.
  • Accurate diagnostic tools are crucial for early detection and management of CAD.
  • Serum C-reactive protein (CRP) is an inflammatory marker with potential prognostic value.

Purpose of the Study:

  • To assess the diagnostic utility of serum C-reactive protein (CRP) levels in identifying angiographically confirmed coronary artery disease (CAD).
  • To investigate the correlation between CRP levels and the severity of CAD, including the number of diseased vessels and degree of stenosis.

Main Methods:

  • Blood samples were collected from 198 patients with angiographically documented CAD, 85 patients with clinical indications but no CAD, and 41 healthy volunteers.
  • Serum CRP levels were measured 24 hours prior to coronary angiography.
  • CAD severity was quantified by the number of affected vessels and degree of arterial stenosis.

Main Results:

  • CRP levels were significantly elevated in patients with CAD compared to control groups (p<0.05).
  • Receiver Operating Characteristic (ROC) curve analysis indicated a diagnostic value for CRP in predicting CAD, particularly in females (0.659) versus males (0.542).
  • CRP levels did not show a significant association with the number of diseased vessels or the degree of stenosis (p>0.05).
  • Multiple logistic regression identified CRP as an independent risk factor for CAD after adjusting for established risk factors.

Conclusions:

  • Serum CRP measurement demonstrates diagnostic value in predicting the presence of angiographically confirmed CAD.
  • CRP levels are not associated with the degree or severity of coronary artery disease.
  • CRP may serve as a valuable independent biomarker for CAD detection.
Abstract

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...
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...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

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...
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...
Angina III: Clinical Manifestations and Assessment01:29

Angina III: Clinical Manifestations and Assessment

Angina manifests as chest pain, tightness, or squeezing discomfort typically located behind the breastbone. It can radiate to the neck, jaw, shoulders, and inner aspects of the upper arms, most commonly the left arm. Patients may experience shortness of breath, fatigue, profuse sweating, dizziness, indigestion, heartburn, palpitations, anxiety, and vomiting as accompanying symptoms. This pain often lasts a few minutes and is triggered by physical exertion, emotional stress, heavy meals, or cold...