Abstract
AccuFFRivus is an alternative to fractional flow reserve (FFR) based on intravascular ultrasound (IVUS) images for functional assessment of coronary stenosis. However, its prognostic impact in patients undergoing percutaneous coronary intervention (PCI) is still unclear. This retrospective study aimed to investigate the capability of AccuFFRivus in predicting prognosis. AccuFFRivus was calculated based on postoperative angiographic and IVUS images. Vessel-oriented clinical events (VOCE) at 2 years were recorded and analyzed. A total of 131 participants with 131 vessels were included in the study. VOCE occurred in 15 patients during 2-year follow-up. AccuFFRivus after PCI (post-AccuFFRivus) was significantly higher in the non-VOCE group than in the VOCE group (0.95 ± 0.03 vs. 0.91 ± 0.02, p < 0.001). Multivariate Cox regression showed that AccuFFRivus ≤ 0.94 was a strong independent predictor of VOCE during 2-year follow-up (hazard ratio 23.76, 95% confidence interval: 3.04–185.81, p < 0.001).
Graphical Abstract
The left panel displays the Receiver operating characteristics (ROC) curves of postoperative parameters (post-AccuFFRivus and post-MLA) versus vessel-oriented clinical events (VOCE) occurrence within 2-year follow-up. The right panel demonstrates Kaplan–Meier curves of VOCE stratified by the optimal cut-off of post-AccuFFRivus.
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Data Availability
The datasets that support the findings of this study are available from the corresponding author on reasonable request.
Abbreviations
- AUC:
-
Area under the curve
- CCTA:
-
Coronary computed tomographic angiography
- CFD:
-
Computational fluid dynamic
- DES:
-
Drug-eluting stent
- DS:
-
Diameter stenosis
- ESC:
-
European Society of Cardiology
- FFR:
-
Fractional flow reserve
- ICA:
-
Invasive coronary angiography
- IVUS:
-
Intravascular ultrasound
- MI:
-
Myocardial infarction
- MLA:
-
Minimal lumen area
- PCI:
-
Percutaneous coronary intervention
- ROC:
-
Receiver operating characteristic
- RVD:
-
Reference vessel diameter
- TIMI:
-
Thrombolysis in myocardial infarction
- TVR:
-
Target vessel revascularization
- VOCE:
-
Vessel-oriented clinical event
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Conception and design: all authors; Project administration: Jianzhen Huang, Huibin Li; Analysis and interpretation of data: Jianzhen Huang, Xinyi Yang, Yumeng Hu; Writing—original draft preparation: Xinyi Yang, Writing—review and editing: Yumeng Hu, Jianzhen Huang, Xiaochang Leng; supervision: Wenjuan Wei, Jianping Xiang; and final approval of the manuscript: all authors.
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The study was conducted in accordance with the Declaration of Helsinki and Good Clinical Practice. The study was approved by the instutional review board of The First People's Hospital of Xiaoshan District, and individual consent for this retrospective study was waived.
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All authors have completed the ICMJE uniform disclosure form. Xinyi Yang and Yumeng Hu are employees of ArteryFlow. Xiaochang Leng is a cofounder of ArteryFlow. Jianping Xiang is the chief executive officer of ArteryFlow. The other authors have no conflicts of interest to declare.
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Huang, J., Yang, X., Hu, Y. et al. Intravascular Ultrasound-Based Fractional Flow Reserve for Predicting Prognosis after Percutaneous Coronary Intervention. J. of Cardiovasc. Trans. Res. 16, 1417–1424 (2023). https://doi.org/10.1007/s12265-023-10409-2
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DOI: https://doi.org/10.1007/s12265-023-10409-2