ArticleTherapeutics and clinical risk management2025
Predictive Value of CT Fractional Flow Reserve and Fat Attenuation Index Derived from Coronary CT Angiography for In-Stent Restenosis After Percutaneous Coronary Intervention.
Article in Therapeutics and clinical risk management, 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
Aim: To investigate the predictive value of CT fractional flow reserve (CT-FFR) and fat attenuation index (FAI) based on Coronary CT Angiography (CCTA) for in-stent restenosis (ISR) in patients with CAD after PCI. Methods: Patients with coronary heart disease who were followed up after coronary stent implantation were retrospectively collected, and clinical data, stent features and imaging characteristics were recorded. The Spearman test was used to analyze the correlation between CT-FFR, FAI and ISR. Univariate and multivariate logistic regression were used to determine the independent influencing factors of ISR, and a nomogram model was constructed. Results: A total of 378 patients were ultimately included. Among them, there were 120 cases in the ISR group and 258 cases in the non-ISR group. Multivariate analysis revealed that CT-FFR Conclusion: ΔCT-FFR and peri-stent FAI, as independent predictors of ISR after PCI in patients with coronary heart disease, have a high predictive value for ISR. In addition, the FAI around the stent has incremental value for CT-FFR. It is worth noting that, compared with clinical data, imaging features show higher predictive value.
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