ArticleAnnals of intensive care2025
Visual coronary artery calcification score to predict significant coronary artery stenosis in patients presenting with cardiac arrest without ST-segment elevation myocardial infarction.
Article in Annals of intensive care, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundEmergency coronary angiogram after a cardiac arrest without ST-segment elevation myocardial infarction (STEMI) is still a matter of debate. To better select patients who may benefit from this procedure, we tested a visual coronary artery calcification (VCAC) score available in chest CT to predict significant coronary artery stenosis and/or culprit lesion or ad hoc or delayed percutaneous coronary intervention (PCI).
resultsA total of 113 patients with cardiac arrest and without STEMI who had a coronary angiogram and chest CT (January 2013 to March 2023, Croix-Rousse Hospital, Lyon, France) were retrospectively included. VCAC was scored from 0 (no calcification) to 3 (diffuse calcification) for each 4 four main arteries (left main, left anterior descending, circumflex, and right coronary artery). At baseline the median [interquartile range] age was 65.8 years [53.4-75.7], 61.9% were male, and 59.3% presented with ventricular fibrillation. Coronary angiogram identified at least one significant coronary artery stenosis in 32.7%, and ad hoc and delayed PCI were performed in 12.4% and 6.2% of the patients, respectively. VCAC score was an excellent predictor of significant coronary artery stenosis with an area under the ROC curve (AUC) of 0.95 (95%CI [0.90-1.00]) and the optimal threshold was ≥ 4 (specificity 94.7%, sensitivity 91.9%). For the detection of culprit coronary artery stenosis, the AUC was at 0.90 (95%CI [0.85-0.96]) and the optimal threshold was ≥ 5 (specificity 83.5%, sensitivity 87.5%). The AUC was 0.886 [0.823-0.948] (specificity 81.8%, sensitivity 85.7%) for ad hoc PCI and 0.921 [0.872-0.972] (specificity 85.3%, sensitivity 88.9%) for both delayed and ad hoc PCI with a same optimal threshold of VCAC ≥ 5. A VCAC score ≥ 4 had a sensitivity at 100% to predict a significant or culprit coronary artery stenosis and ad hoc or delayed PCI.
conclusionsThe present study found that a non-dedicated CT thorax may be useful to measure VCAC and if this is scored ≥ 4 it allows physicians to better select patients resuscitated from cardiac arrest with non-STEMI and without history of coronary artery disease who may benefit from an emergency coronary angiogram to detect a significant or culprit coronary artery stenosis and had PCI if appropriate.
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