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Modified Clavien-Dindo Classification for Adverse Events in Otolaryngology–Head and Neck Surgery

JAMA Network Open 10.1001/jamanetworkopen.2025.39761

October 27, 2025 at 11:00 AM EDT

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Can the Clavien-Dindo Classification be modified and validated for otolaryngology–head and neck surgery (OHNS)?In this survey study, a modified Clavien-Dindo Classification for surgical complications in OHNS was created and validated by OHNS experts using case vignettes, resulting in moderate agreement among 106 survey responders.There are unique surgical complications encountered in OHNS that could be captured using a novel modified Clavien-Dindo Classification, which was reliable in differentiating between severity of OHNS complications.

Corresponding Author: Kathryn M. Van Abel, MD, Department of Otolaryngology–Head and Neck Surgery, Mayo Clinic, 200 First St, SW Rochester, MN 55905 (vanabel.kathryn@mayo.edu).

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