The possible causes of postoperative fever after chronic subdural hematoma include absorption fever, secondary intracranial infection, combined lung infection or urinary tract infection.
1. Absorption fever: after the formation of chronic subdural hematoma, the hematoma and necrotic liquefied material are gradually absorbed, which can cause absorption fever, this fever is generally low fever, and routine blood tests can be no obvious inflammatory lesions.
2. Secondary intracranial infection: intracranial infection secondary to improper operation during surgery or other reasons, often manifested as high fever, mostly bacterial infection, accompanied by headache, impaired consciousness and convulsions, etc. Meningeal irritation can be seen on physical examination.
3. Combined with lung infection or urinary tract infection: after the operation of chronic subdural hematoma, it needs to stay in bed for a long time, and can be combined with complications such as pneumonia and urinary tract infection. In addition to fever, often accompanied by cough, cough sputum or urinary frequency, urinary urgency, urinary pain and other symptoms, blood or urine routine can be seen abnormal.
Chronic subdural hematoma postoperative fever can be caused by many reasons, it is recommended to actively seek medical attention, improve the blood routine, urine routine, chest CT and other tests, to clarify the cause of fever, according to the condition of the formulation of a reasonable treatment plan.