Clinical Study of the Effect of Methylprednisolone Combined
Conditions
- Methylprednisolone;Dihydroxypropyltheophylline;One Lung Ventilation;Respiratory Dynamics
Interventions
- DRUG: Methylprednisolone 40 MG Injection;Dihydroxypropyltheophylline;
- DRUG: Placebo
Sponsor
Qianfoshan Hospital