We assessed the impact of chest CT body composition parameters on outcomes and disease severity at hospital presentation of COVID-19 patients, focusing also on the possible mediation of body composition in the relationship between age and death in these patients. Chest CT scans performed at hospital presentation by consecutive COVID-19 patients (02/27/2020-03/13/2020) were retrospectively reviewed to obtain pectoralis muscle density and total, visceral, and intermuscular adipose tissue areas (TAT, VAT, IMAT) at the level of T7-T8 vertebrae. Primary outcomes were: hospitalization, mechanical ventilation (MV) and/or death, death alone. Secondary outcomes were: C-reactive protein (CRP), oxygen saturation (SO2), CT disease extension at hospital presentation. The mediation of body composition in the effect of age on death was explored. Of the 318 patients included in the study (median age 65.7 years, females 37.7%), 205 (64.5%) were hospitalized, 68 (21.4%) needed MV, and 58 (18.2%) died. Increased muscle density was a protective factor while increased TAT, VAT, and IMAT were risk factors for hospitalization and MV/death. All these parameters except TAT had borderline effects on death alone. All parameters were associated with SO2 and extension of lung parenchymal involvement at CT; VAT was associated with CRP. Approximately 3% of the effect of age on death was mediated by decreased muscle density. In conclusion, low muscle quality and ectopic fat accumulation were associated with COVID-19 outcomes, VAT was associated with baseline inflammation. Low muscle quality partly mediated the effect of age on mortality.

We assessed the impact of chest CT body composition parameters on outcomes and disease severity at hospital presentation of COVID-19 patients, focusing also on the possible mediation of body composition in the relationship between age and death in these patients. Chest CT scans performed at hospital presentation by consecutive COVID-19 patients (02/ 27/2020-03/13/2020) were retrospectively reviewed to obtain pectoralis muscle density and total, visceral, and intermuscular adipose tissue areas (TAT, VAT, IMAT) at the level of T7-T8 vertebrae. Primary outcomes were: hospitalization, mechanical ventilation (MV) and/or death, death alone. Secondary outcomes were: C-reactive protein (CRP), oxygen saturation (SO2), CT disease extension at hospital presentation. The mediation of body composition in the effect of age on death was explored. Of the 318 patients included in the study (median age 65.7 years, females 37.7%), 205 (64.5%) were hospitalized, 68 (21.4%) needed MV, and 58 (18.2%) died. Increased muscle density was a protective factor while increased TAT, VAT, and IMAT were risk factors for hospitalization and MV/death. All these parameters except TAT had borderline effects on death alone. All parameters were associated with SO2 and extension of lung parenchymal involvement at CT; VAT was associated with CRP. Approximately 3% of the effect of age on death was mediated by decreased muscle density. In conclusion, low muscle quality and ectopic fat accumulation were associated with COVID-19 outcomes, VAT was associated with baseline inflammation. Low muscle quality partly mediated the effect of age on mortality.

The impact of chest CT body composition parameters on clinical outcomes in COVID-19 patients / Besutti, Giulia; Pellegrini, Massimo; Ottone, Marta; Cantini, Michele; Milic, Jovana; Bonelli, Efrem; Dolci, Giovanni; Cassone, Giulia; Ligabue, Guido; Spaggiari, Lucia; Pattacini, Pierpaolo; Fasano, Tommaso; Canovi, Simone; Massari, Marco; Salvarani, Carlo; Guaraldi, Giovanni; Rossi, Paolo Giorgi; Canovi, Simoneg; Massari, Marcoh; Salvarani, Carloi; Guaraldi, Giovannif; Rossi, Paolo Giorgie; Grilli, Roberto; Marino, Massimiliano; Formoso, Giulio; Formisano, Debora; Bedeschi, Emanuela; Perilli, Cinzia; la Rosa, Elisabetta; Bisaccia, Eufemia; Venturi, Ivano; Vicentini, Massimo; Campari, Cinzia; Gioia, Francesco; Broccoli, Serena; Iotti, Valentina; Mancuso, Pamela; Nitrosi, Andrea; Foracchia, Marco; Colla, Rossana; Zerbini, Alessandro; Ferrari, Anna Maria; Pinotti, Mirco; Facciolongo, Nicola; Lattuada, Ivana; Trabucco, Laura; de Pietri, Stefano; Danelli, Giorgio Francesco; Albertazzi, Laura; Bellesia, Enrica; Corradini, Mattia; Mag-Nani, Elena; Pilia, Annalisa; Polese, Alessandra; Incerti, Silvia Storchi; Zaldini, Piera; Bonanno, Orsola; Revelli, Matteo; Pinto, Carmine; Venturelli, Francesco; Teopompi, Elisabetta; Gallina, Annalisa; Bertellini, Annalisa; Costi, Stefania; Fugazzaro, Stefania. - In: PLOS ONE. - ISSN 1932-6203. - 16:5(2021), pp. 1-16. [10.1371/journal.pone.0251768]

The impact of chest CT body composition parameters on clinical outcomes in COVID-19 patients

Besutti, Giulia;Pellegrini, Massimo;Ottone, Marta;Cantini, Michele;Dolci, Giovanni;Cassone, Giulia;Ligabue, Guido;Fasano, Tommaso;Salvarani, Carlo;Guaraldi, Giovanni;Grilli, Roberto;Formoso, Giulio;Bisaccia, Eufemia;Iotti, Valentina;Pinotti, Mirco;Zaldini, Piera;Orsola, Bonanno;Pinto, Carmine;Venturelli, Francesco;Costi, Stefania;
2021

Abstract

We assessed the impact of chest CT body composition parameters on outcomes and disease severity at hospital presentation of COVID-19 patients, focusing also on the possible mediation of body composition in the relationship between age and death in these patients. Chest CT scans performed at hospital presentation by consecutive COVID-19 patients (02/ 27/2020-03/13/2020) were retrospectively reviewed to obtain pectoralis muscle density and total, visceral, and intermuscular adipose tissue areas (TAT, VAT, IMAT) at the level of T7-T8 vertebrae. Primary outcomes were: hospitalization, mechanical ventilation (MV) and/or death, death alone. Secondary outcomes were: C-reactive protein (CRP), oxygen saturation (SO2), CT disease extension at hospital presentation. The mediation of body composition in the effect of age on death was explored. Of the 318 patients included in the study (median age 65.7 years, females 37.7%), 205 (64.5%) were hospitalized, 68 (21.4%) needed MV, and 58 (18.2%) died. Increased muscle density was a protective factor while increased TAT, VAT, and IMAT were risk factors for hospitalization and MV/death. All these parameters except TAT had borderline effects on death alone. All parameters were associated with SO2 and extension of lung parenchymal involvement at CT; VAT was associated with CRP. Approximately 3% of the effect of age on death was mediated by decreased muscle density. In conclusion, low muscle quality and ectopic fat accumulation were associated with COVID-19 outcomes, VAT was associated with baseline inflammation. Low muscle quality partly mediated the effect of age on mortality.
2021
16
5
1
16
The impact of chest CT body composition parameters on clinical outcomes in COVID-19 patients / Besutti, Giulia; Pellegrini, Massimo; Ottone, Marta; Cantini, Michele; Milic, Jovana; Bonelli, Efrem; Dolci, Giovanni; Cassone, Giulia; Ligabue, Guido; Spaggiari, Lucia; Pattacini, Pierpaolo; Fasano, Tommaso; Canovi, Simone; Massari, Marco; Salvarani, Carlo; Guaraldi, Giovanni; Rossi, Paolo Giorgi; Canovi, Simoneg; Massari, Marcoh; Salvarani, Carloi; Guaraldi, Giovannif; Rossi, Paolo Giorgie; Grilli, Roberto; Marino, Massimiliano; Formoso, Giulio; Formisano, Debora; Bedeschi, Emanuela; Perilli, Cinzia; la Rosa, Elisabetta; Bisaccia, Eufemia; Venturi, Ivano; Vicentini, Massimo; Campari, Cinzia; Gioia, Francesco; Broccoli, Serena; Iotti, Valentina; Mancuso, Pamela; Nitrosi, Andrea; Foracchia, Marco; Colla, Rossana; Zerbini, Alessandro; Ferrari, Anna Maria; Pinotti, Mirco; Facciolongo, Nicola; Lattuada, Ivana; Trabucco, Laura; de Pietri, Stefano; Danelli, Giorgio Francesco; Albertazzi, Laura; Bellesia, Enrica; Corradini, Mattia; Mag-Nani, Elena; Pilia, Annalisa; Polese, Alessandra; Incerti, Silvia Storchi; Zaldini, Piera; Bonanno, Orsola; Revelli, Matteo; Pinto, Carmine; Venturelli, Francesco; Teopompi, Elisabetta; Gallina, Annalisa; Bertellini, Annalisa; Costi, Stefania; Fugazzaro, Stefania. - In: PLOS ONE. - ISSN 1932-6203. - 16:5(2021), pp. 1-16. [10.1371/journal.pone.0251768]
Besutti, Giulia; Pellegrini, Massimo; Ottone, Marta; Cantini, Michele; Milic, Jovana; Bonelli, Efrem; Dolci, Giovanni; Cassone, Giulia; Ligabue, Guido; Spaggiari, Lucia; Pattacini, Pierpaolo; Fasano, Tommaso; Canovi, Simone; Massari, Marco; Salvarani, Carlo; Guaraldi, Giovanni; Rossi, Paolo Giorgi; Canovi, Simoneg; Massari, Marcoh; Salvarani, Carloi; Guaraldi, Giovannif; Rossi, Paolo Giorgie; Grilli, Roberto; Marino, Massimiliano; Formoso, Giulio; Formisano, Debora; Bedeschi, Emanuela; Perilli, Cinzia; la Rosa, Elisabetta; Bisaccia, Eufemia; Venturi, Ivano; Vicentini, Massimo; Campari, Cinzia; Gioia, Francesco; Broccoli, Serena; Iotti, Valentina; Mancuso, Pamela; Nitrosi, Andrea; Foracchia, Marco; Colla, Rossana; Zerbini, Alessandro; Ferrari, Anna Maria; Pinotti, Mirco; Facciolongo, Nicola; Lattuada, Ivana; Trabucco, Laura; de Pietri, Stefano; Danelli, Giorgio Francesco; Albertazzi, Laura; Bellesia, Enrica; Corradini, Mattia; Mag-Nani, Elena; Pilia, Annalisa; Polese, Alessandra; Incerti, Silvia Storchi; Zaldini, Piera; Bonanno, Orsola; Revelli, Matteo; Pinto, Carmine; Venturelli, Francesco; Teopompi, Elisabetta; Gallina, Annalisa; Bertellini, Annalisa; Costi, Stefania; Fugazzaro, Stefania
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