J Cardiovasc Ultrasound.  2015 Mar;23(1):56-57. 10.4250/jcu.2015.23.1.56.

How an Occluded Artery Recanalizes during Acute Stroke Thrombolysis

Affiliations
  • 1Division of Neurology, Department of Medicine, National University Hospital, Singapore. drvijay@singnet.com.sg
  • 2Yong Loo Lin School of Medicine, National University of Singapore, Singapore.

Abstract

No abstract available.

Keyword

Acute stroke; Thrombolysis; Transcranial Doppler; CT angiography; Recanalization; Middle cerebral artery

MeSH Terms

Arteries*
Middle Cerebral Artery
Stroke*

Figure

  • Fig. 1 A: Pre-treatment computed tomographic angiography (CTA) of the brain shows a filling defect in the proximal right middle cerebral artery. B: The image shows the CTA performed on day 2, showing complete recanalization.

  • Fig. 2 Continuous transcranial Doppler monitoring of the right middle cerebral artery (MCA) was performed to evaluate its patency. A: The image shows the minimal grade flow signals in the right MCA at 16 minutes that improved during next few seconds (B), rapidly becoming normal flow signals (C).


Reference

1. Demchuk AM, Burgin WS, Christou I, Felberg RA, Barber PA, Hill MD, Alexandrov AV. Thrombolysis in brain ischemia (TIBI) transcranial Doppler flow grades predict clinical severity, early recovery, and mortality in patients treated with intravenous tissue plasminogen activator. Stroke. 2001; 32:89–93.
2. Sharma VK, Tsivgoulis G, Lao AY, Alexandrov AV. Role of transcranial Doppler ultrasonography in evaluation of patients with cerebrovascular disease. Curr Neurol Neurosci Rep. 2007; 7:8–20.
3. Saqqur M, Tsivgoulis G, Nicoli F, Skoloudik D, Sharma VK, Larrue V, Eggers J, Perren F, Charalampidis P, Storie D, Shuaib A, Alexandrov AV. The role of sonolysis and sonothrombolysis in acute ischemic stroke: a systematic review and meta-analysis of randomized controlled trials and case-control studies. J Neuroimaging. 2014; 24:209–220.
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