Research Interests

• Laryngology，specializing in diagnosis and treatment of snoring, maxillofacial fracture, throat and head and neck surgery, skull base and lateral skull base diseases. Dr. Guan focus on the basic and clinical study of obstructive sleep apnea hypopnea syndrome and head and neck tumors，to achieve iconic original results in key areas such as etiology, genetic and environmental interactions, disease occurrence and development mechanisms, biomarkers, diagnostic and therapeutic new technology and clinical transformation applications.