The germiculture showed staphylococcus aureus at the early stage, which was gradually replaced by pneumoniae, Moraxelle catarrhalis, and Escherichia coli.

• 早期窦内细菌学培养主要为金黄色葡萄球菌，以后逐渐被肺炎球菌、莫拉杆菌、大肠杆菌所代替。