Incidence, Perioperative Risk Factors, and Prognosis of Laryngopharyngeal Injury After Endotracheal Intubation Under General Anesthesia: A Retrospective Study

What this Trial Is About

Researchers are studying patients who had tracheal intubation under general anesthesia at a hospital in Zhejiang University between October 2015 and September 2025. The focus is on problems related to throat and voice complaints after surgery, especially hoarseness, to understand risk factors and improve care during surgery. This is an observational study using past patient data to learn about laryngopharyngeal injury and its outcomes. The study involves collecting and analyzing clinical data from patients who needed ear, nose, and throat consultations due to throat complaints like hoarseness, sore throat, cough, or choking after non-ear, nose, and throat surgeries. Researchers review medical records and anesthesia data, then follow up by phone to assess patient recovery and prognosis. The main outcome is the risk factors for hoarseness after surgery, with additional outcomes including how often hoarseness happens, its severity, vocal cord injury, and related issues. Participants are monitored using the hospital's anesthesia and electronic medical record systems, combined with telephone follow-ups to check how their symptoms develop up to 150 days after surgery. The study measures postoperative voice changes, throat injury, and specific complications like arytenoid dislocation. The goal is to help reduce throat injury during surgery and guide better anesthesia practices. Participation involves data review and phone follow-up without new treatments, lasting up to 150 days post-operation.

Laryngopharyngeal Injury After Endotracheal Intubation Under General Anesthesia