The third step was to sit at the edge of the seat and then gradually ease into the normalsittingposition.
第三个步骤:先“半坐”在座上,然后再慢慢挪成“全坐”。
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Conclusions During neurosurgical procedure under general anesthesia and sittingposition, pulmonary vascular auto regulation can be preserved and pulmonary oxygenation can be kept in normal.