ArticleJournal of gastrointestinal cancer2025
Predictive Value of Coronary Computed Tomography Angiography-Derived Fractional Flow Reserve for Survival in Patients with Esophageal Cancer Following Esophagectomy.
Article in Journal of gastrointestinal cancer, 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
objectiveThis study aimed to assess the predictive value of CT-FFR on survival in patients with esophageal carcinoma (EC) after esophagectomy.
methodsFive hundred and eighty patients with EC who had coronary computed tomography angiography (CCTA) and esophagectomy from January 2012 to September 2023 were included in this study. The lesion-specific fractional flow reserve (FFR) was derived from CCTA. The 580 post-esophagectomy EC patients were divided into two groups: CT-FFR > 0.80 (n = 406) and CT-FFR ≤ 0.80 (n = 174). Propensity score matching (PSM) analysis was used to control for confounding factors. Overall survival (OS) was estimated using Kaplan-Meier curves and Cox proportional hazards models based on univariate and multivariate screening of variables.
resultsThe CT-FFR ≤ 0.80 group had a higher proportion of males, more patients with coronary artery calcium score (CACS) ≥ 100, lower tumor stages, a higher proportion of patients receiving neoadjuvant therapy, and a higher proportion of patients undergoing full laparoscopy surgery (all p < 0.05). After PSM, the two matched groups of patients had similar characteristics. In our Cox regression model, CT-FFR ≤ 0.80 was an independent factor associated with OS (HR: 1.37; 95% CI: 1.038-1.818; p = 0.026) compared to CT-FFR > 0.80. The results after PSM still showed that CT-FFR ≤ 0.80 was an independent factor associated with OS (HR: 1.43; 95% CI: 1.022-2.009; p = 0.037) compared to CT-FFR > 0.80.
conclusionCT-FFR is found to be a valuable imaging marker in predicting outcomes of EC patients following esophagectomy. Specifically, a CT-FFR ≤ 0.80 is associated with poorer survival outcomes in EC patients. This underscores the incremental prognostic value of CT-FFR in predicting survival outcomes among post-esophagectomy patients.
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