Feasibility of Simple Evaluation of Coronary Artery Calcium Using a Number of Chest Computed Tomography Slices: A Multicenter Study.
Ann Vasc Dis
; 16(1): 46-53, 2023 Mar 25.
Article
in En
| MEDLINE
| ID: mdl-37006870
ABSTRACT
Objective:
We aimed to evaluate the visual measurements of coronary artery calcium (CAC) on nonelectrocardiogram (ECG)-gated chest computed tomography (CT) using a simple scoring method that involves counting the number of CT slices containing CAC. Materials andMethods:
We analyzed 163 participants who underwent both coronary and chest CT examinations at six centers within 3 months. Agatston scores were calculated on standard ECG-gated scans and classified as none (0), mild (1-99), moderate (100-400), or severe (>400). Next, chest CT images were reconstructed to standard 5.0 mm axial slices. Then, CAC on chest CT scans was measured using twomethods:
the Weston score (sum of the assigned score of each vessel, range 0-12) and number of slices showing CAC (Ca-slice#).Results:
When the Weston score and Ca-slice# were divided into four levels according to the optimal divisional levels corresponding to the Agatston score classes, good agreements with the 4-grade Agatston score were observed (kappa value=0.610 and 0.794, respectively). The sensitivity and specificity of Ca-slice# ≥9 to identify severe Agatston scores of >400 were 86% and 96%, respectively.Conclusion:
The Ca-slice#, a simple scoring method using chest CT scans, was in good agreement with the ECG-gated Agatston score.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Type of study:
Clinical_trials
/
Prognostic_studies
Language:
En
Journal:
Ann Vasc Dis
Year:
2023
Document type:
Article
Affiliation country: