Aiming toWards Evidence baSed inTerpretation of Cardiac biOmarkers in patients pResenting with chest pain-the WESTCOR

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Hilde L Tjora1, Ole-Thomas Steiro2, Jørund Langørgen2

  • 1Emergency Care Clinic, Haukeland University Hospital , Bergen , Norway.

Scandinavian Cardiovascular Journal : SCJ
|June 21, 2019
PubMed

Insights

The WESTCOR study aims to enhance chest pain diagnosis in emergency departments by developing new algorithms for non-ST elevation acute coronary syndrome (NSTE-ACS). This research improves early detection and exclusion of NSTE-ACS using cardiac biomarkers and advanced imaging.

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Diagnostic Imaging

Background:

  • Acute chest pain is a common emergency department presentation.
  • Accurate diagnosis of non-ST elevation acute coronary syndrome (NSTE-ACS) is crucial for patient outcomes.
  • Current diagnostic pathways require optimization for efficiency and accuracy.

Purpose of the Study:

  • To improve diagnostic pathways for patients with acute chest pain in the Emergency department (ED).
  • To develop and validate new algorithms for early rule-out and rule-in of NSTE-ACS using novel cardiac biomarker assays.
  • To assess the association between cardiac biomarkers, coronary atherosclerosis severity, and clinical outcomes.

Main Methods:

  • Prospective, observational, two-center study (WESTCOR-study).
  • Recruitment of 2250 unselected patients with suspected NSTE-ACS.
  • Adjudication of diagnoses by independent cardiologists using serial troponin measurements, coronary angiography, coronary CT angiography, and echocardiography.
  • Development of algorithms in a derivation cohort (N=985) and validation in an external cohort (N=750).
  • Subcohort (n=500) for CT angiography to correlate biomarkers with atherosclerosis.

Main Results:

  • The study is designed to yield new diagnostic algorithms for NSTE-ACS.
  • It will provide insights into the relationship between cardiac biomarkers and coronary atherosclerosis.
  • Associations between biomarkers, imaging findings, and clinical outcomes will be elucidated.

Conclusions:

  • The WESTCOR study will generate novel diagnostic algorithms for NSTE-ACS.
  • Findings will enhance the interpretation of cardiac biomarkers in chest pain patients.
  • This research will improve the early management and long-term outcomes for patients with acute chest pain.

Keywords:
Chest painNSTEMIacute coronary syndromecardiovascular biomarkersrule in/rule out algorithmstroponinunstable angina pectoris

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