Cerebrospinal fluid leaks during endoscopic sinus surgery in thirty-two patients

The inadvertent cerebrospinal fluid (CSF) leak is a very rare but potentially hazardous complication in endoscopic sinus surgery.

We performed a systematic review of a series of 32 cases of CSF leaks occurring during sinus surgery.

We identified surgical inexperience and impaired orientation in the surgical field as the main risk factors for iatrogenic CSF leaks.

The lateral lamella of the cribriform plate and the anterior ethmoid roof are predilection sites for CSF leaks in the anterior skull base.

We determined suitable methods of repair based on the location of the leak and found high success rates after endoscopic leak closure.

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