Postoperative changes in the superficial temporal artery and the external carotid artery duplex sonography after extra-intracranial bypass surgery in European Moyamoya disease

Clin Neurol Neurosurg. 2012 Sep;114(7):930-4. doi: 10.1016/j.clineuro.2012.02.004. Epub 2012 Apr 4.


Introduction: Despite Duplex ultrasonography being a noninvasive, easily repeatable, readily available and economical tool, this examination and its normal ranges are rarely described in Moyamoya disease (MMD).

Methods: Duplex ultrasonography examinations of the superficial temporal artery (STA) and external carotid artery (ECA) were performed preoperatively, postoperatively (within 30 days) and as follow-up exams (6 months postoperatively) after 32 cerebral revascularization procedures in 20 European patients with MMD.

Results: A significant higher mean diastolic flow of STA compared to preoperative values was found in postoperative (p<.000) and follow-up exams (p<.001) in Duplex ultrasonography. Postoperative and follow-up Duplex sonography of STA also showed a significantly higher mean systolic flow compared to preoperative values (p<.05 and p<.05). Also ECA showed significantly changes after bypass surgery (p<.05).

Conclusion: Duplex ultrasonography of STA is a reliable and non-invasive tool to investigate hemodynamic changes after bypass surgery and to detect bypass patency in European patients with MMD.

MeSH terms

  • Adolescent
  • Adult
  • Angiography, Digital Subtraction
  • Carotid Artery, External / diagnostic imaging
  • Carotid Artery, External / physiopathology
  • Carotid Artery, External / surgery*
  • Cerebral Angiography
  • Cerebral Revascularization / methods*
  • Cerebrovascular Circulation
  • Child
  • Child, Preschool
  • Female
  • Humans
  • Male
  • Middle Aged
  • Moyamoya Disease / diagnostic imaging
  • Moyamoya Disease / physiopathology
  • Moyamoya Disease / surgery*
  • Neurosurgical Procedures / methods*
  • Temporal Arteries / diagnostic imaging
  • Temporal Arteries / physiopathology
  • Temporal Arteries / surgery*
  • Treatment Outcome
  • Ultrasonography, Doppler, Duplex
  • Young Adult