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Arterial-end-tidal carbon dioxide pressure differences in palliative or corrective procedures at various times. *In off-pump operations, the value was measured 10 min before the procedure. † In off-pump operations, the value was measured 10 min after the procedure. ‡ Significant difference with basic (after induction) value (P < 0.01). § Significant differences between palliative and corrective groups
