What Is a CSF Fistula / CSF Leak?

Question: What does a CSF leak mean?

Answer: It is the leakage of cerebrospinal fluid (CSF) due to disruption of the dura integrity. It may occur after spine surgery and some brain surgery procedures.

Question: How is a CSF leak recognized?

Answer: Findings may include clear fluid from the wound site, swelling around the wound, headache, and sometimes fever. If these findings are present, prompt evaluation is required.

What should I do if a CSF leak is suspected?

1. Note the leakage and its amount (take photos or video if needed).
2. Keep the wound clean and dry; do not attempt self-treatment.
3. Seek emergency care if there is fever, neck stiffness, or change in consciousness.
4. Treatment may be planned according to the case, including reinforced dressing/suturing, drainage, or repeat surgery.