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Figure 51-11
Cortical oxygen saturation (SCO2
)
during deep hypothermic circulatory arrest in the pH-stat and the α-stat groups.
The SCO2
half-life during arrest was
significantly greater in the pH-stat than in the α-stat group. (From
Kurth CD, O'Rourke MM, O'Hara IB: Comparison of pH-stat and alpha-stat cardiopulmonary
bypass on cerebral oxygenation and blood flow in relation to hypothermic circulatory
arrest in piglets. Anesthesiology 89:110, 1998.)
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