title: Spasm induced by protection balloon during carotid artery stenting.
abstract: OBJECTIVE
  The PercuSurge system is a distal balloon embolic protection device used for carotid artery stenting (CAS). We performed a retrospective study on the prognosis and clinical effects of spasms induced by the PercuSurge GuardWire system (PercuSurge-induced spasm).
  
  
  METHODS
  We performed CAS in 118 carotid stenoses using the PercuSurge system. Of the 118 procedures, 31 (26.3%) of the patients experienced PercuSurge-induced spasm, and all underwent postoperative follow-up studies by cerebral angiography and antiplatelet treatment.
  
  
  RESULTS
  On follow-up angiograms obtained a mean of 5.2 months (range 3-10 months) after CAS, all 31 PercuSurge-induced spasms had disappeared, and no delayed stenosis was found at the sites where the spasms had occurred. No ischemic events due to the spasms occurred during a mean follow-up of 13 months (range 3-32 months).
  
  
  CONCLUSIONS
  In the hands of physicians experienced in endovascular surgery, CAS using the PercuSurge system is a safe method with which to treat patients with carotid stenosis. Our study demonstrated that PercuSurge-induced spasms had no morphological or clinical adverse effects.
authors: Department of Neurosurgery, Fukuoka University Chikushi Hospital, 1-1-1 Zokumyoin, Chikushino, Fukuoka, 818-8502, Japan.
authors: Masanori
authors: M
authors: Tsutsumi
authors: Kiyoshi
authors: K
authors: Kazekawa
authors: Masanari
authors: M
authors: Onizuka
authors: Hiroshi
authors: H
authors: Aikawa
authors: Kouhei
authors: K
authors: Nii
authors: Tomonobu
authors: T
authors: Kodama
authors: Minoru
authors: M
authors: Iko
authors: Makoto
authors: M
authors: Tomokiyo
authors: Shuko
authors: S
authors: Matsubara
authors: Akira
authors: A
authors: Tanaka
mesh_terms: D000368:Aged; D016893:Carotid Stenosis / Q000628:therapy*; D002404:Catheterization / Q000009:adverse effects* / Q000295:instrumentation*; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D020766:Intracranial Embolism / Q000517:prevention & control*; D008297:Male; D011379:Prognosis; D012189:Retrospective Studies; D015607:Stents; D020301:Vasospasm, Intracranial / Q000209:etiology*
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