Effect of Hyperbaric Oxygen Therapy(HBOT) on Patients With Sudden Sensorineural Hearing Loss(SSNHL) and Coagulation Function

Inclusion Criteria: * Meet the diagnostic criteria for sudden deafness in the American Academy of Otolaryngology Head and Neck Surgery 2019 Clinical Practice Guidelines for Sudden Deafness; * Aged 18-75 years old; * Patients with unilateral sudden deafness for the first time, and the onset time is less than 2 weeks. Exclusion Criteria: * Patients with other ear diseases, such as auditory trauma, barotrauma, retrocochlear disease, bilateral hearing loss, history of chronic otitis media in the same ear, and history of surgery in the same ear; * Patients with serious primary diseases such as heart, liver, kidney dysfunction and hematopoietic system diseases; * Pregnant and nursing patients; * Accompanied by serious mental illness; * Patients with incomplete clinical data.