TY - JOUR
T1 - Prevalence of Mitral Annular Disjunction at Cardiac MRI: Results from a Multicenter Registry
AU - Palmisano, Anna
AU - Bruno, Elisa
AU - Aquaro, Giovanni Donato
AU - De Gori, Carmelo
AU - Barbieri, Simone
AU - Adami, Margherita
AU - Plataroti, Dario
AU - Rondi, Paolo
AU - di Meo, Nunzia
AU - Ravanelli, Marco
AU - Farina, Davide
AU - Rossi, Alice
AU - Pradella, Silvia
AU - Miele, Vittorio
AU - Marchitelli, Livia
AU - Cundari, Giulia
AU - Galea, Nicola
AU - Tore, Davide
AU - Gatti, Marco
AU - Faletti, Riccardo
AU - Palumbo, Pierpaolo
AU - Di Cesare, Ernesto
AU - D'Angelo, Tommaso
AU - Lanzafame, Ludovica R. M.
AU - Blandino, Alfredo
AU - Dell'Aversana, Serena
AU - Ponsiglione, Andrea
AU - Ascione, Raffaele
AU - Imbriaco, Massimo
AU - Porcu, Michele
AU - Cau, Riccardo
AU - Saba, Luca
AU - Ferrandino, Giovanni
AU - Liguori, Carlo
AU - Sambuceti, Virginia
AU - Seitun, Sara
AU - Siani, Agnese
AU - CARRIERO, Alessandro
AU - Cosenza, Michele
AU - Lovato, Luigi
AU - Vignale, Davide
AU - Faggioni, Lorenzo
AU - Neri, Emanuele
AU - Esposito, Antonio
PY - 2024
Y1 - 2024
N2 - : Purpose To determine the prevalence of mitral annular disjunction (MAD) in patients undergoing cardiac MRI for various clinical indications and to assess the association of MAD with arrhythmia, mitral valve prolapse (MVP), and myocardial alteration. Materials and Methods This study analyzed data from a retrospective observational registry of consecutive patients undergoing cardiac MRI for different clinical indications. Cardiac MRI examinations were performed from January 2019 to June 2019 at 13 Italian hospitals. Images underwent double reading by expert cardiac radiologists from the enrolling center and the core laboratory to assess the presence of MAD. Presence and maximum length of MAD and its association to MVP pattern, functional and structural myocardial alteration, and arrhythmia were evaluated using nonparametric and parametric tests. Logistic regression models were used to identify predictors of arrhythmia. Results Cardiac MRI studies from 2611 consecutive patients (1730, 66% male; median age, 53 years; IQR, 39-65 years) were evaluated. Prevalence of MAD was 5.44% (142 of 2611). MAD was an incidental finding in 74.6% (106 of 142) of patients. Patients with MAD had a higher prevalence of arrhythmias compared with patients without MAD (40% [57 of 142] vs 18% [444 of 2469]; P < .001). Patients with MAD and bileaflet MVP showed a longer MAD compared with patients with single-leaflet or absent MVP (median, 7 mm [IQR, 3-9.5 mm] vs 4 mm [IQR, 3-5 mm]; P < .001), a higher prevalence of systolic curling (75% [21 of 28] vs 30.7% [35 of 114]; P < .001), higher extracellular volume values (30% [IQR, 28%-32%] vs 27% [IQR, 25%-30%]; P = .04), and a higher prevalence of arrhythmia (64.2% [18 of 28] vs 34.2% [39 of 114]; P = .006). MAD length of at least 5 mm was an independent predictor of arrhythmia (odds ratio 3.96; 95% CI: 1.93, 8.15; P < .001). Conclusion MAD was a frequent incidental finding on cardiac MRI scans from a multicenter registry. MAD length of at least 5 mm and coexisting bileaflet MVP showed a higher risk of arrhythmia. Keywords: MR Imaging, Cardiac, Mitral Annular Disjunction Supplemental material is available for this article. ©RSNA, 2024.
AB - : Purpose To determine the prevalence of mitral annular disjunction (MAD) in patients undergoing cardiac MRI for various clinical indications and to assess the association of MAD with arrhythmia, mitral valve prolapse (MVP), and myocardial alteration. Materials and Methods This study analyzed data from a retrospective observational registry of consecutive patients undergoing cardiac MRI for different clinical indications. Cardiac MRI examinations were performed from January 2019 to June 2019 at 13 Italian hospitals. Images underwent double reading by expert cardiac radiologists from the enrolling center and the core laboratory to assess the presence of MAD. Presence and maximum length of MAD and its association to MVP pattern, functional and structural myocardial alteration, and arrhythmia were evaluated using nonparametric and parametric tests. Logistic regression models were used to identify predictors of arrhythmia. Results Cardiac MRI studies from 2611 consecutive patients (1730, 66% male; median age, 53 years; IQR, 39-65 years) were evaluated. Prevalence of MAD was 5.44% (142 of 2611). MAD was an incidental finding in 74.6% (106 of 142) of patients. Patients with MAD had a higher prevalence of arrhythmias compared with patients without MAD (40% [57 of 142] vs 18% [444 of 2469]; P < .001). Patients with MAD and bileaflet MVP showed a longer MAD compared with patients with single-leaflet or absent MVP (median, 7 mm [IQR, 3-9.5 mm] vs 4 mm [IQR, 3-5 mm]; P < .001), a higher prevalence of systolic curling (75% [21 of 28] vs 30.7% [35 of 114]; P < .001), higher extracellular volume values (30% [IQR, 28%-32%] vs 27% [IQR, 25%-30%]; P = .04), and a higher prevalence of arrhythmia (64.2% [18 of 28] vs 34.2% [39 of 114]; P = .006). MAD length of at least 5 mm was an independent predictor of arrhythmia (odds ratio 3.96; 95% CI: 1.93, 8.15; P < .001). Conclusion MAD was a frequent incidental finding on cardiac MRI scans from a multicenter registry. MAD length of at least 5 mm and coexisting bileaflet MVP showed a higher risk of arrhythmia. Keywords: MR Imaging, Cardiac, Mitral Annular Disjunction Supplemental material is available for this article. ©RSNA, 2024.
KW - Cardiac
KW - MR Imaging
KW - Mitral Annular Disjunction
KW - Cardiac
KW - MR Imaging
KW - Mitral Annular Disjunction
UR - https://iris.uniupo.it/handle/11579/200182
U2 - 10.1148/ryct.230428
DO - 10.1148/ryct.230428
M3 - Article
SN - 2638-6135
VL - 6
JO - Radiology: Cardiothoracic Imaging
JF - Radiology: Cardiothoracic Imaging
IS - 6
ER -