Diagnostic yield and therapeutic implications of 25 years of specialized pediatric Marfan clinic.

The purpose of this study is to evaluate the diagnostic and therapeutic yield of a specialized clinic for children with suspicion of a hereditary thoracic aortic disease (HTAD), including Marfan Syndrome (MFS), and to investigate the diagnostic value of presenting symptoms and findings during evaluation. This retrospective observational study included all patients younger than 18 years old at initial referral between 1998 and 2018. Clinical data, medical treatment, surgical interventions, and clinical events during surveillance were collected until December 2023. A case-control comparison between patients with and without an eventual diagnosis of HTAD was performed using logistic regression analysis to investigate the diagnostic value of collected variables. A total of 355 children were referred and evaluated at the clinic, resulting in 89 new diagnoses, with a diagnostic yield of 21% HTAD, including 59 cases of MFS. Younger age at referral, ectopia lentis, aortic dilatation, and facial features were among the strongest predictors of MFS and other HTAD, while pectus excavatum and arm span-height ratio had no predictive value at childhood age. Of patients with MFS, 65% received antihypertensive medication, and 8% of patients with HTAD underwent prophylactic aortic surgery, in some cases even during childhood. Conclusion: Evaluation of children for HTAD in our specialized Marfan clinic resulted in a high diagnostic yield and subsequent therapeutic implications. Indeed, early recognition of symptoms and signs and referral to such a specialized clinic may lead to early diagnosis, surveillance, and timely treatment, thereby possibly limiting acute aortic events and even mortality. [ABSTRACT FROM AUTHOR]

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