Pentraxin 3: A Marker for the Presence and Severity of Coronary Artery Disease

Taha Okan1, Caner Topaloğlu1, Cihan Altın1

  • 1Department of Cardiology, İzmir Economy University Faculty of Medicine, İzmir, Türkiye.

Insights

Elevated Pentraxin 3 (PTX-3) levels indicate coronary artery disease (CAD) and its severity. This inflammation biomarker shows a strong correlation with coronary artery calcium scoring (CACS), aiding in CAD diagnosis.

Area of Science:

  • Cardiology
  • Biomarkers
  • Inflammation

Background:

  • Atherosclerosis, a key driver of coronary artery disease (CAD), involves chronic arterial inflammation.
  • Pentraxin 3 (PTX-3) is an inflammation biomarker associated with atherosclerosis and CAD progression.

Purpose of the Study:

  • To investigate the association between Pentraxin 3 (PTX-3) levels and the presence and severity of CAD.
  • To evaluate PTX-3 as a diagnostic and severity biomarker for CAD using coronary computed tomography angiography (CCTA).

Main Methods:

  • 94 participants (54 with CAD, 40 controls) underwent CCTA and coronary artery calcium scoring (CACS).
  • Serum PTX-3 levels were measured using enzyme-linked immunosorbent assay (ELISA).
  • CAD patients were stratified by CACS into low (<100), intermediate (100-299), and high (≥300) risk groups.

Main Results:

  • Serum PTX-3 levels were significantly higher in the CAD group compared to controls.
  • A PTX-3 cut-off of 5.80 ng/mL predicted CAD with 68% sensitivity and 66% specificity.
  • A strong positive correlation (r=0.521, P<0.001) was found between CACS and PTX-3 levels, with highest levels in the high-risk CACS group.

Conclusions:

  • Pentraxin 3 (PTX-3) shows potential as a valuable biomarker for diagnosing coronary artery disease (CAD).
  • PTX-3 levels correlate with the severity of CAD, as indicated by CACS.
  • Further research may establish PTX-3 as a key indicator in CAD management.
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...
41
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...
79
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
119