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  • Title: Vascular Ehlers-Danlos Syndrome: Long-Term Observational Study.
    Author: Frank M, Adham S, Seigle S, Legrand A, Mirault T, Henneton P, Albuisson J, Denarié N, Mazzella JM, Mousseaux E, Messas E, Boutouyrie P, Jeunemaitre X.
    Journal: J Am Coll Cardiol; 2019 Apr 23; 73(15):1948-1957. PubMed ID: 30999998.
    Abstract:
    BACKGROUND: Vascular Ehlers-Danlos syndrome (vEDS) is a rare genetic connective tissue disorder secondary to pathogenic variants within the COL3A1 gene, resulting in exceptional arterial and organ fragility and premature death. The only published clinical trial to date demonstrated the benefit of celiprolol on arterial morbimortality. OBJECTIVES: The authors herein describe the outcomes of a large cohort of vEDS patients followed ≤17 years in a single national referral center. METHODS: All patients with molecularly confirmed vEDS were included in a retrospective cohort study. After an initial work-up, patients were treated or recommended for treatment with celiprolol (≤400 mg/day) in addition to usual care and scheduled for yearly follow-up. vEDS-related events and deaths were collected and recorded for each patient. RESULTS: Between 2000 and 2017, 144 patients (median age at diagnosis 34.5 years, 91 probands) were included in this study. After a median follow-up of 5.3 years, overall patient survival was high (71.6%; 95% confidence interval: 50% to 90%) and dependent on the type of COL3A1 variant, age at diagnosis, and medical treatment. At the end of the study period, almost all patients (90.3%) were treated with celiprolol alone or in combination. More than two-thirds of patients remained clinically silent, despite a large number (51%) with previous arterial events or arterial lesions at molecular diagnosis. Patients treated with celiprolol had a better survival than others (p = 0.0004). The observed reduction in mortality was dose-dependent: the best protection was observed at the dose of 400 mg/day versus <400 mg/day (p = 0.003). During the period surveyed, the authors observed a statistically significant difference in the ratio of hospitalizations for acute arterial events/hospitalizations for regular follow-up before and after 2011. CONCLUSIONS: In this long-term survey, vEDS patients exhibited a low annual occurrence of arterial complications and a high survival rate, on which the overall medical care seems to have a positive influence.
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