Beyond the Obesity Paradox: Analysis of New Prognostic Factors in Transcatheter Aortic Valve Implantation Procedure

Overview

Journal J Cardiovasc Dev Dis

Specialty Cardiology & Vascular Diseases

Date 2024 Nov 26

PMID 39590211

Authors

Francesca Ricci

Leonardo Benelli

Monia Pasqualetto

Mario Laudazi

Luca Pugliese

Maria Volpe

Cecilia Cerimele

Carlo Di Donna

Francesco Garaci

Marcello Chiocchi

Affiliations

Soon will be listed here.

Abstract

Scope: The main purpose of our study was to collect computed tomography (CT) measurements of fat parameters that are significantly related to body mass index (BMI) and evaluate the associations of these measurements and sarcopenia with early and long-term complications after transcatheter aortic valve implantation (TAVI) in order to investigate the existence of the so-called 'obesity paradox' and the role of sarcopenia in this phenomenon.

Materials And Methods: We analyzed the significance of fat CT measurements in 85 patients undergoing the TAVI procedure and compared these with each other, as well as with quantified CT BMI and fat density measurements. Secondly, we evaluated the associations of BMI, CT measurements of fat, and CT evaluations of skeletal muscle mass with early and long-term complications after 24 months of post-TAVI follow-up.

Results: We found positive and significant relationships between fat CT measurements with each other and with BMI and a negative and significant relation between fat density and fat quantity. By comparing the CT measurements of fat and skeletal muscle mass with early and long-term complications after TAVI, we confirmed the existence of the 'obesity paradox' and the poor effect of sarcopenia after the TAVI procedure.

Conclusions: We confirm that overweight and obesity are good prognostic factors, and sarcopenia is a poor prognostic factor for outcomes following the TAVI procedure. We focused on the scientific validation of an easy and fast way to measure fat and skeletal muscle mass using CT to better predict the outcomes of patients undergoing TAVI.

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