Longitudinal follow-up by MR angiography reveals progressive dilatation of the distal aorta after aortic root replacement in Marfan syndrome.

"Declarations GuarantorThe scientific guarantor of this publication is A. Lenz. Conflict of interestThe authors of this manuscript declare relationships with the following companies:B. Schoennagel: Co-founder and stakeholder of north medical GmbH.The remaining authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article. Statistics and biometryOne of the authors, G. Schoen, is an expert in Medical Biometry and has significant statistical expertise. Informed consentWritten informed consent was obtained for the routine clinical MR examination from every patient but was not required for this observational study because of the retrospective analysis of anonymized patient data. Ethical approvalInstitutional Review Board approval was not required because of the retrospective analysis of anonymized patient data. Study subjects or cohorts overlapNo study subjects or cohorts have been previously reported. Methodology• retrospective• observational• performed at one institution Conflict of interest The authors of this manuscript declare relationships with the following companies: B. Schoennagel: Co-founder and stakeholder of north medical GmbH. The remaining authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article."

"Funding Open Access funding enabled and organized by Projekt DEAL. The authors state that this work has not received any funding."