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Document Type

Original Article

Abstract

Background: After percutaneous coronary intervention (PCI), excessive coronary calcification might cause negative outcomes. We assessed how the coronary calcium score (CCS), determined by multi-detector computed tomography (MDCT), affected the short and medium-term outcomes after PCI.

Methods: Before PCI, we analyzed 150 patients with coronary stenosis identified by MDCT. Total and single artery coronary calcium score (CCS) was calculated using the Agatston method. We divided them into three groups: (0.1 – 100), (100 – 400) and (> 400).

Results: Statistical analysis (Chi squared) showed significant correlation between the patients’ classifications according all studied demographic data (p < 0.05). Classifying the groups with higher calcium score, they were found to have more difficult procedures, and higher syntax score than groups with lower calcium score. Statistical analysis (T tests) showed that all differences were significant. The relation between the three calcium groups showed that all the assessed complications had significant relation with higher calcium score groups. As regard to six months follow up, the total complications at six months were statistically significant (P value 0.01). The association between lesion type and single artery group in left anterior descending coronary artery, left circumflex artery and right coronary artery showed that the relation between groups was significant (p < 0.0001). Conclusions: Coronary calcium score evaluated by Multidetector computed tomography can predict procedural difficulty, periprocedural complications, and complications from PCI at six months follow up after PCI. At the 30-day follow up, there were no reported complications found.

Keywords

calcium score; periprocedural complications; coronary intervention

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