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Updated: Sep 3, 2025

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
Calcification of the ascending aorta, left heart valves and coronaries: associated diseases and a new classification
Hady Samaha1, Najib Chalhoub2, Margherita Tabet1
1Department of Cardiovascular Surgery, Hotel-Dieu de France Hospital, Beirut, Lebanon.
Insights
Vascular and valvular calcification topography can predict cardiovascular complications. A new classification tree (CART) uses patient data to identify risks, aiding clinical decisions.
Area of Science:
- Cardiovascular Imaging
- Medical Informatics
- Radiology
Background:
- Vascular and valvular calcification topography is crucial for predicting cardiovascular post-operative complications.
- Existing data on the topographic distribution of these calcifications is limited.
- Accurate prediction of complications requires detailed understanding of calcification patterns.
Purpose of the Study:
- To identify the topographic distribution of calcifications in the ascending aorta, left heart valves, and coronary arteries.
- To correlate calcification patterns with patient comorbidities.
- To develop a predictive model for cardiovascular complications based on calcification topography.
Main Methods:
- Analysis of 26 variables from 557 patients hospitalized between 2017 and 2020.
- Evaluation of calcification topography using thoracic computed tomography (CT) scans.
- Statistical analysis employing multivariate logistic regression and classification and regression tree (CART) methods.
Main Results:
- Significant associations were found between several comorbidities and vascular or valvular calcification.
- A CART model was developed to classify patients based on age, sex, Euroscore, and lipid profile.
- The CART model provides a novel approach to stratify patients at risk.
Conclusions:
- The developed classification model shows potential as a valuable clinical tool for risk assessment.
- Further research is needed to refine and optimize the CART algorithm for broader clinical application.
- Understanding calcification topography is key to improving cardiovascular post-operative care.
Abstract:
Aim: The topography of vascular and valvular calcification could help accurately predict cardiovascular post-operative complications. The data on these calcifications remains scarce. Purpose: Identify the topographic distribution of the ascending aortic, left heart valves and coronary calcifications. Materials & methods: We extracted 26 variables from 557 patients, hospitalized between 2017 and 2020. The topography of calcification was evaluated by thoracic CT scans. Both multivariate logistic regression and classification and regression tree (CART) were used for statistical analysis. Results: Several comorbidities were associated with vascular or valvular calcification. This study proposes a CART tree for patients according to their age, sex, Euroscore and lipid profile. Conclusion: The proposed classification could represent an important clinical tool. More studies are warranted to better prune the current CART algorithm.
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