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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Atypical intracranial vascular malformations: their behavior, treatment and follow-up
 Voldřich, Richard ; Netuka, David (advisor) ; Haninec, Pavel (referee) ; Přibáň, Vladimír (referee)
Therapy and follow-up of patients with atypical vascular malformations are not standardized. The goals of this dissertation are the comparison of relevant treatment and imaging methods, the determination of an optimal follow-up program based on the type of lesion or the character of therapy, and the documentation of the behavior of atypical malformations after incomplete closure. Long-term observation of 195 embolized dural arteriovenous malformations (DAVM) confirmed the high success rate of Onyx embolic material compared to other agents - complete occlusion was achieved in 88% of cases compared to 35% in the control group. A total of 93% of DAVMs treated with Onyx were closed at the last follow-up. The material also proved to be stable in the long term. Recurrence was diagnosed in 1,8% of patients. The recurrences of DAVM occur due to the accentuation of originally negligible vascular fistulas that are not visible on post-interventional digital subtraction angiography (DSA). Prospective comparison of magnetic resonance angiography (MRA) and DSA concluded that patients after complete embolization of dural fistula can be safely followed using only MRA. In the case of carotid-cavernous fistulas (CCFs), imaging and clinical outcomes of traditional and new endovascular materials, as well as...
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