Neurol. praxi. 2007;8(4):208-212

Stenózy intrakraniálních tepen – možnosti diagnostiky pomocí transkraniální duplexní sonografie

MUDr. David Školoudík1, doc. MUDr. Roman Herzig, Ph.D.2
1 Neurologická klinika FNsP Ostrava-Poruba
2 Neurologická klinika FN a LF UP Olomouc

Aterosklerotické postižení intrakraniální tepny patří k častým příčinám mozkové ischémie. Transkraniální duplexní sonografie je jednou z diagnostických metod, pomocí které lze diagnostikovat stenózu v intrakraniálních tepnách. Hlavním kritériem pro ultrazvukovou detekci stenózy je lokální zrychlení průtoku o více než 30 %. Vedlejšími kritérii jsou turbulentní tok, aliasing fenomén, zúžení detekovatelné v energentickém modu a nález v B-obraze. Senzitivita a specificita vyšetření je srovnatelná s MR angiografií, CT angiografií či digitální subtrakční angiografií. Díky tomu je TCCS jako neinvazivní, opakovatelné vyšetření vhodnou metodou k diagnostice, určení tíže i sledování progrese intrakraniálních stenóz.

Keywords: mozková tepna, transkraniální duplexní sonografie, mozkový infarkt, ateroskleróza

Published: November 1, 2007  Show citation

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Školoudík D, Herzig R. Stenózy intrakraniálních tepen – možnosti diagnostiky pomocí transkraniální duplexní sonografie. Neurol. praxi. 2007;8(4):208-212.
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