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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

[Evaluation of the correlation between calcifications in the aortic valve and in the coronary arteries using MSCT]

Mieczysław Pasowicz1, Małgorzata Konieczyńska, Piotr Klimeczek

  • 1Ośrodek Diagnostyki i Rehabilitacji, Chorób Serca i Płuc w Krakowskim, Szpitalu Specjalistycznym im. Jana Pawła II. m.pasowicz@szpitaljp2.krakow.pl

Przeglad Lekarski
|February 24, 2005
PubMed

Insights

Aortic valve calcium (a-CS) shows a weak correlation with coronary artery calcium (ca-CS) in patients with aortic valve stenosis. However, high ca-CS (>400) strongly predicts coronary artery stenosis, aiding surgical decisions.

Area of Science:

  • Cardiovascular Imaging
  • Atherosclerosis Research
  • Cardiac Computed Tomography

Background:

  • Aortic valve calcium (a-CS) and coronary calcium (ca-CS) are researched for atherosclerotic progression.
  • The study investigates the association between a-CS and ca-CS in patients with aortic valve stenosis.

Purpose of the Study:

  • To determine the association between aortic valve calcifications (a-CS) and coronary artery calcifications (ca-CS).
  • To assess the predictive value of ca-CS for coronary artery stenosis in patients with aortic valve stenosis.

Main Methods:

  • 45 patients with aortic valve stenosis underwent multislice computed tomography (MSCT) and conventional coronary angiography (CCA).
  • Quantitative evaluation of a-CS and ca-CS was performed using MSCT.
  • Statistical analysis included U-Mann-Whitney test and Pearson's correlation.

Main Results:

  • A weak correlation (p=0.05, r=0.1) was found between a-CS and ca-CS.
  • No coronary calcifications were observed in 18 patients.
  • A strong correlation (p<0.01) was established between ca-CS > 400 and significant coronary artery stenoses identified by CCA.

Conclusions:

  • Aortic valve calcium score (a-CS) may suggest the extent of coronary artery calcifications in patients with aortic valve stenosis.
  • Coronary calcium score (ca-CS) strongly correlates with coronary artery stenoses in this patient group.
  • Patients with ca-CS > 400 face a high risk of coronary artery stenoses, informing surgical planning.
Abstract

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