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Updated: Sep 9, 2025
14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
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Inflammatory prognostic index predicts late mortality after surgical aortic valve replacement
Batuhan Yazıcı1, Mustafa Can Kaplan2, Zinar Apaydın3
1Hatay Training and Research Hospital, Hatay, Turkey.
Perfusion
|September 1, 2025
Summary
The preoperative Inflammatory Prognostic Index (IPI) predicts late mortality in patients undergoing surgical aortic valve replacement (AVR). A high IPI score independently indicates increased risk, aiding in patient risk stratification.
Area of Science:
- Cardiology
- Surgical Outcomes
- Biomarkers
Background:
- Surgical aortic valve replacement (AVR) is a critical procedure for severe aortic valve disease.
- Accurate preoperative risk stratification is essential for optimizing patient outcomes after AVR.
- The Inflammatory Prognostic Index (IPI) is a potential biomarker for systemic inflammation.
Purpose of the Study:
- To evaluate the prognostic value of the preoperative Inflammatory Prognostic Index (IPI) in predicting late mortality after isolated surgical AVR.
- To determine if IPI is an independent predictor of long-term survival in this patient cohort.
Main Methods:
- Retrospective analysis of 400 patients undergoing elective, isolated surgical AVR (2015-2023).
- Calculation of IPI using C-reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR), and albumin.
- Stratification into low- and high-IPI groups using ROC analysis (cut-off: 0.2588).
- Cox proportional hazards regression for predictor identification.
Main Results:
- Patients with high IPI (≥0.2588) had significantly higher late mortality (10.3% vs 2.3%, p < .001).
- High IPI was independently associated with increased late mortality (HR = 3.405, p = .013) in multivariate analysis.
- Kaplan-Meier analysis showed lower long-term survival in the high-IPI group (log-rank p < .001).
Conclusions:
- Preoperative IPI is a simple, accessible, and independent predictor of late mortality following surgical AVR.
- Incorporating IPI into preoperative risk assessment can enhance prognostic stratification and guide perioperative management.
- This biomarker may help identify high-risk patients needing closer monitoring or tailored interventions.
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