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Table 2 Impaired and preserved CVR in 99mTc-HMPAO SPECT analyses.

From: A comparative study of perfusion CT and 99mTc-HMPAO SPECT measurement to assess cerebrovascular reserve capacity in patients with internal carotid artery occlusion

Impaired CVR in SPECT

Preserved CVR in SPECT

-Unilateral ICA occlusion

1 - Unilateral ICA occlusion, 3

-Moyamoya disease

1 - Moyamoya disease 3

-Bilateral ICA occlusion *

3 - Bilateral ICA occlusion * 1

-ICA/MCA occlusion

1 - ICA/MCA occlusion -

  1. * One symptomatic hemisphere