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Table 1 Cerebral vasospasm during SNBC.

From: Is selective nasopharyngeal brain cooling detrimental to neuroprotection?

Intervention MCA flow velocity (cm/second) ICA flow velocity (cm/second) Lindegaard ratio Pulsatility ratio ICP (mmHg)
  62 41 1.51 0.77 13
SNBC cooling 128 52 2.46 0.48 -15
SNBC rewarming 96 44 1.74 1.12 21