What is the role of xenon inhalation in the workup of Sturge-Weber syndrome (SWS)?

Updated: Dec 26, 2018
  • Author: Masanori Takeoka, MD; Chief Editor: George I Jallo, MD  more...
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Answer

Riela et al studied the xenon-133 (133 Xe) inhalation technique in 4 patients with SWS and demonstrated decreased regional perfusion in the area of the LA, with impaired vasomotor reactivity documented in 2 patients. [83] Decreased flow was prominent in 2 younger patients with normal neurologic status, suggesting that the blood flow abnormality may actually precede neurologic symptoms and may therefore cause or at least contribute to the deterioration.


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