Department of Otorhinolaryngology, Head and Neck Surgery (ENT) Faculty of Medicine, The Chinese University of Hong Kong 香港中文大學 醫學院 耳鼻咽喉 — 頭頸外科學系 - Dr CHANG Wai Tsz


Dr Chang Waitsz


  • Assistant Professor
    Chief, Division of Otology and Neurotology
    Department of Otorhinolaryngology, Head and Neck Surgery, CUHK
  • Assistant Director
    Institute of Human Communicative Research, CUHK
  • Associate Consultant (Honorary)
    Department of Ear, Nose and Throat, New Territories East Cluster
    Hospital Authority


Dr Chang is the chief of the otology and neurotology division in the department with special interest in hearing degeneration, auditory implantation, vestibular diseases, tinnitus, transcanal endoscopic ear surgery and skull base surgery. She pioneered endoscopic ear surgery in Hong Kong since 2016 and performed the first transcanal skull base surgery in the same year. She performed most of the auditory implants and is the leader of many of the otology research in her centre. She is currently the assistant director of Institute of Human Communicative Research, trainer of The Hong Kong college of Otorhinolaryngology, Neurosurgery, the Asia Pacific Otorhinolaryngologic Surgical Training Group (APOST) and the World Skull base group. She is a member of the international working group on Endoscopic ear surgery (IWGEES), secretary of the Pan-Asia Working Group on Endoscopic Ear surgery (PAWGEES). She has collaborations with John Hopkin’s Centre for research related to elderly hearing loss and dementia. She is the chief author of the Total Endoscopic Ear Surgery Dissection Manual published by the CUHK with a total of more than 30 publications including international journals, peers reviewed abstracts and book chapters.


Academic and Professional Qualifications

  • MBChB (CUHK); MScEPB (CUHK); FRCSEd (ORL); FHKCORL; FHKAM (Otorhinolaryngology)


Selected Publication

  • International Survey of Operative Practices for Otologists and Neurotologists During the COVID-19 crisis; SE Ridge, DA Chari, ED Kozin, AK Remenschneider, OF Adunka, M Aristegui, WT Chang, YF Cheng, JW Chung, MS Cohen, MG Crowson, JS Golub, O Handzel, B Isaacson,. A Iyer, S Kakehata, D Marchioni, JF Nogueira, N Patel, AM Quesnel, A Rivas, SR Saeed, R Salzman, F Santos, AJ Saxby, M Tarabici, N Verhaert, R Vincent, G Wanna, S Wolpert, DJ Lee. Otology & Neurotology 2021; 42(8):1275-1284
  • Cochlear Implantation in Postirradiated Ears: A Case-Control Comparative Study. WT Chang, KNK Yeung, BPK Luk, KKY Leung, JKK Sung, MCF Tong. Laryngoscope Investigative Otolaryngology 2020; 5(6):1163-1167
  • Dexamethasone Eardrop with Grommet Placement vs Intratympanic Steroid Injection for Sudden Sensorineural Hearing Loss: A Randomized Prospective Clinical Trial. WT Chang, BCY Zee, HSH Lee, MCF Tong. American Journal of Otolaryngology 2020; 41(4):Article No. 102515
  • Adopting Chopsticks Technique in Endoscopic Ear Surgery – An Alternative to Single- Handed Operations. WT Chang, MCF Tong. HSOA Journal of Otolaryngology, Head & Neck Surgery 2020; 6(2):Article No. 100046
  • Hearing loss and hearing rehabilitation; WT Chang; The Hong Kong Medical Diary; 2017; 22 (8):19-21
  • Endoscopic Transcanal Approach to Remove Extensive Petrous Cholesteatoma. WT Chang, JF Thong, MCF Tong. Journal of Otology & Rhinology 2017, 6(1) doi:10.4172/2324-8785.1000303
  • Total Endoscopic Ear Surgery Dissection manual; WT Chang, M Tong; The Chinese University of Hong Kong 2016
  • Intraoperative View of a Glomus Tympanicum; WT Chang, WSS Tsang Ear, Nose & Throat Journal 2012; 91(12):E25-E26
  • Patient Satisfaction After Closed Reduction of Nasal Fractures; TCW Hung, WT Chang, AC Vlantis, MCF Tong, CA van Hasselt Archives of Facial Plastic Surgery 2007; 9(1):40-43