Speical attention should be paid to prevention of inspiratory regurgitation, supine hopotension syndrome, and cyclic fluctuation caused by sudden reduced abdomenal pressure.

• 结论麻醉方法以全麻为宜，术中应预防误吸，仰卧位低血压综合征等，加强呼吸和循环管理，重点防止因腹压骤降所引起的循环波动。