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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Agreement between Thai Cardiovascular Risk Scores and Myocardial Perfusion Imaging: Exploring Associations and

Kitwiwat Phuangmali1, Chanan Sukprakun1

  • 1Department of Radiology, Division of Nuclear Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.

Indian Journal of Nuclear Medicine : IJNM : the Official Journal of the Society of Nuclear Medicine, India
|February 23, 2024
PubMed

Insights

The Thai cardiovascular risk score shows fair agreement with myocardial perfusion imaging (MPI). Higher risk scores correlate with increased odds of abnormal MPI results, aiding clinical decisions.

Area of Science:

  • Cardiology
  • Nuclear Medicine
  • Medical Imaging

Background:

  • Cardiovascular disease risk assessment is crucial for patient management.
  • Myocardial perfusion imaging (MPI) is a key diagnostic tool.
  • The Thai cardiovascular (CV) risk score and pretest probability (PTP) are used for risk stratification.

Purpose of the Study:

  • To evaluate the agreement between the Thai CV risk score/PTP and MPI results.
  • To investigate the association between elevated Thai CV risk scores/PTP and abnormal MPI findings.

Main Methods:

  • 128 patients underwent myocardial perfusion gated single photon emission computed tomography (MPI).
  • Agreement was assessed using weighted Cohen's kappa statistic.
  • Logistic regression analyzed the association between risk scores and MPI results.

Main Results:

  • Fair agreement (κ=0.269) was found between MPI and the Thai CV risk score.
  • Moderate agreement (κ=0.428) was observed in patients with intermediate PTP.
  • Higher Thai CV risk scores were significantly associated with increased odds of abnormal MPI results (ORs 3.25-4.78).

Conclusions:

  • The Thai CV risk score demonstrates acceptable agreement with MPI.
  • Elevated Thai CV risk scores predict a higher likelihood of abnormal MPI findings.
  • These results support the integration of Thai CV risk scores and MPI in clinical practice.
Abstract

Keywords:
Associationcardiac eventhealth planninglogistic modelspretest probability

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