Greg Zaharchuk

Publication Details

  • Quantitative hemodynamic studies in moyamoya disease NEUROSURGICAL FOCUS Lee, M., Zaharchuk, G., Guzman, R., Achrol, A., Bell-Stephens, T., Steinberg, G. K. 2009; 26 (4)

    Abstract:

    Moyamoya disease is characterized by a chronic stenoocclusive vasculopathy affecting the terminal internal carotid arteries. The clinical presentation and outcome of moyamoya disease remain varied based on angiographic studies alone, and much work has been done to study cerebral hemodynamics in this group of patients. The ability to measure cerebral blood flow (CBF) accurately continues to improve with time, and with it a better understanding of the pathophysiological mechanisms in patients with moyamoya disease. The main imaging techniques used to evaluate cerebral hemodynamics include PET, SPECT, xenon-enhanced CT, dynamic perfusion CT, MR imaging with dynamic susceptibility contrast and with arterial spin labeling, and Doppler ultrasonography. More invasive techniques include intraoperative ultrasonography. The authors review the current knowledge of CBF in this group of patients and the role each main quantitative method has played in evaluating them, both in the disease state and after surgical intervention.

    View details for DOI 10.3171/2009.1.FOCUS08300

    View details for Web of Science ID 000265656400005

    View details for PubMedID 19335131

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