• Guglielmina Pepe, Betti Giusti, Stefania Colonna, Maria Pia Fugazzaro, Elena Sticchi, Rosina De Cario, Ada Kura, Elisa Pratelli, Daniela Melchiorre, and Stefano Nistri.
• Marfan Syndrome and Related Disorders Regional Referral Center, Careggi Hospital, Viale Gaetano Pieraccini, 50139, Florence, Italy. guglielmina.pepe@unifi.it.
• Intern Emerg Med. 2021 Apr 1; 16 (3): 609-615.

AbstractSize threshold for aortic surgery in bicuspid aortic valve (BAV) is debated. Connective tissue disorders (CTDs) are claimed as a clinical turning point, suggesting early surgery in BAV patients with CTD. Thus, we aimed at developing a score to detect high risk of carrying CTDs in consecutive BAVs from primary care. Ninety-eight BAVs without ectopia lentis or personal/family history of aortic dissection were studied at the Marfan syndrome Tuscany Referral Center. Findings were compared with those detected in 84 Marfan patients matched for sex and age. We selected traits with high statistical difference between MFS and BAV easily obtainable by cardiologists and primary-care internists: mitral valve prolapse, myopia ≥ 3DO, pectus carenatum, pes planus, wrist and thumb signs, and difference between aortic size at root and ascending aorta ≥ 4 mm. Clustering of ≥ 3 of these manifestations were more frequent in Marfan patients than in BAVs (71.4% vs 6.1%, p < 0.0001) resulting into an Odds Ratio to be affected by MFS of 38.3 (95% confidence intervals 14.8-99.3, p < 0.0001). We propose a score assembling simple clinical and echocardiographic variables resulting in an appropriate referral pattern of BAVs from a primary-care setting to a tertiary center to evaluate the presence of a potential, major CTD.

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