Introduction:

Endoscopic nasosinusal surgery has evolved significantly since its inception. The anatomical position of the nasosinusal cavities, with important adjacent structures, means that its complications, although rare, bring about irreversible sequelae, and even death, for the patient.

Objective:

To review the types and frequency of complications, as well as their management, during endoscopic nasosinusal surgery.

Methods:

A documentary review on the subject was conducted in bibliographic databases during the period from December 2021 to January 2022. Twenty-seven articles related to the proposed objective were selected, while a summary document was developed with the collected information.

Development:

The most commonly used classification separates complications into three degrees of severity and includes major complication rates below 1 % in the hands of experienced surgeons. Recognizing the sites of greatest risk and the symptoms that may appear in the patient are fundamental for the rapid management of the complication.

Conclusions:

Endoscopic nasosinusal surgery has proven to be an excellent tool for the surgical treatment of the diseases of these cavities in experienced hands. Although complication rates are minimal, it is essential to know how to identify and treat them.

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