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  • Title: Multiple cerebral cavernous malformations: Clinical course of confirmed, assumed and non-familial disease.
    Author: Santos AN, Rauschenbach L, Saban D, Chen B, Darkwah Oppong M, Herten A, Gull HH, Rieß C, Deuschl C, Schmidt B, Jabbarli R, Wrede KH, Zhu Y, Frank B, Sure U, Dammann P.
    Journal: Eur J Neurol; 2022 May; 29(5):1427-1434. PubMed ID: 35060255.
    Abstract:
    BACKGROUND AND PURPOSE: Analyze and compare the natural course of confirmed familial cerebral cavernous malformation (FCCM), assumed FCCM and non-familial multiple cerebral cavernous malformation (CCM) disease over a 5-year period. METHODS: Our institutional database was screened for patients with CCM admitted between 2003 and 2020. Patients with complete magnetic resonance imaging dataset, evidence of multiple CCM, clinical baseline characteristics, and follow-up examination were included. Patients were separated into confirmed familial cases, assumed familial cases or non-familial multiple cavernous malformations. Kaplan-Meier and Cox regression analyses were performed to determine the cumulative 5-year risk for hemorrhage and recurrent hemorrhage. RESULTS: A total of 238 patients with multiple CCM were analyzed; 90 individuals had a confirmed FCCM disease, 115 an assumed FCCM, and 33 were allocated to the non-FCCM group. Univariate Cox regression analysis identified intracerebral hemorrhage (ICH) as mode of presentation (p = 0.001) as a predictor for occurrence of recurrent hemorrhage during the 5-year follow-up (FU). The cumulative 5-year risk of (re)bleeding was 21.6% for the entire cohort, 30.7% for patients with ICH at diagnosis, 22.1% for those patients with a confirmed diagnosis of FCCM, 23.5% for those with an assumed FCCM, and 21% for the non-FCCM cases. CONCLUSIONS: FCCM patients with ICH at diagnosis are prone to develop rebleeding. During untreated 5-year FU, FCCM patients and patients with sporadic multiple CCM reveal an almost equal susceptibility for (re)hemorrhage. Moreover, confirmed, assumed and non-FCCM patients showed an equal cumulative 5-year risk of symptomatic ICH. The probability of hemorrhage tends to increase over time, particularly in cases with ICH at presentation.
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