• J. Neurol. Sci. · Feb 2020

    Neurovascular findings in children and young adults with Loeys-Dietz syndromes: Informing recommendations for screening.

    • Melissa A LoPresti, Michael Z Ghali, Visish M Srinivasan, Shaine A Morris, Stephen F Kralik, Kevin Chiou, Rebecca Y Du, and Sandi Lam.
    • Section of Pediatric Neurosurgery, Texas Children's Hospital, Houston, USA; Department of Neurosurgery, Baylor College of Medicine, Houston, USA. Electronic address: lopresti@bcm.edu.
    • J. Neurol. Sci. 2020 Feb 15; 409: 116633.

    IntroductionLoeys-Dietz Syndromes (LDS) are a group of connective tissue disorders associated with vascular abnormalities, including arterial tortuosity, aneurysms, and dissections. While neurovascular involvement is common, no pediatric or young adult recommendations for screening exist. We aimed to review our institution's experience with special focus on neurovascular imaging to better understand the pathology and guide screening.MethodsA retrospective cohort study of patients with LDS was performed. Demographics, genetic subtype, clinical and radiographical data were analyzed. Primary outcome measures included pathology on neurovascular imaging, time to progression, and arterial tortuosity indexes for bilateral cervical internal carotid arteries (ICA) and vertebral arteries (VA).ResultsOf 47 patients with LDS identified, 39 (83.0%) were found to have neuroimaging. Intracranial and cervical vascular tortuosity were seen in 79.5% and 64.1%, respectively. Twenty-one patients (44.7%) received follow-up screening, of which 3 were found to have progression. Time to progression was an average of 2.1 years. Average follow-up was 607 days (range 123-3070 days). Mean Arterial Tortuosity Index for the right ICA, left ICA, right VA, and left VA were 18, 20, 49, and 47, respectively. Comparison of interval percent change in Arterial Tortuosity Index over the course of follow-up demonstrated small changes in the right ICA (mean 5%), left ICA (mean 1%), right VA (mean 1%), and left VA (mean 2%).ConclusionsArterial tortuosity was most prevalent, though it did not progress significantly over time. We suggest an algorithm for management and serial screening to guide management of pediatric and young adults with LDS.Copyright © 2019 Elsevier B.V. All rights reserved.

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