FESS手术术前干预时加用吸入干粉剂治疗的前提是

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问题: FESS手术术前干预时加用吸入干粉剂治疗的前提是

A: PEF>80-100

B:PEF>100-130

C:PEF>120-150

D:PEF>150-180

E:PEF>180-200