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Objective <p>This study aimed to assess the predictive value of CT-FFR on survival in patients with esophageal carcinoma (EC) after esophagectomy.</p> Methods <p>Five 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 &gt; 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.</p> Results <p>The 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 &lt; 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 &gt; 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 &gt; 0.80.</p> Conclusion <p>CT-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.</p>

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Predictive Value of Coronary Computed Tomography Angiography-Derived Fractional Flow Reserve for Survival in Patients with Esophageal Cancer Following Esophagectomy

  • 期刊论文

  • 发表日期：

    2025年8月29日

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  • Xiaoqin Chen,
  • Xiongmu Tan,
  • Yushang Yang,
  • Linyan Huang,
  • Simeng Wang,
  • Yinqiu Wang,
  • Xueting Pang,
  • Shenmei Liu,
  • Yong Yuan,
  • Liqing Peng

摘要

Objective

This study aimed to assess the predictive value of CT-FFR on survival in patients with esophageal carcinoma (EC) after esophagectomy.

Methods

Five 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.

Results

The 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.

Conclusion

CT-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.