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Published on in Vol 15 (2026)

This is a member publication of University of Birmingham (Jisc)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/94888, first published .
Audiologist performs ear examination with otoscope on a senior man for hearing test

Cochlear Implant Referrals in Adults With Severe-to-Profound Hearing Loss in the United Kingdom (CIRCA-2): Protocol for a Repeat National Multicenter Retrospective Observational Study

Cochlear Implant Referrals in Adults With Severe-to-Profound Hearing Loss in the United Kingdom (CIRCA-2): Protocol for a Repeat National Multicenter Retrospective Observational Study

Alexander Scott North   1 * ;   Chloe Swords   2 * ;   Petrina Checkland   3 ;   Jessica Daniels   4 ;   Oliver George Denton   5 ;   Amir Habeeb   6 ;   Kim Hui Lim   7 ;   Isaac Jarratt-Barnham   8 ;   Amar Rajgor   9 ;   Bhavesh Vijay Tailor   10 ;   Jeremy Wong   3 ;   Jameel Muzaffar   3, 11

1 Guy's and St Thomas' NHS Foundation Trust, London, England, United Kingdom

2 Cambridge University Hospitals NHS Foundation Trust, Cambridge, England, United Kingdom

3 University Hospitals Birmingham NHS Foundation Trust, Birmingham, England, United Kingdom

4 Manchester Royal Infirmary, Manchester, England, United Kingdom

5 Queen Elizabeth Hospital, Glasgow, Scotland, United Kingdom

6 Barking, Havering And Redbridge University Hospitals NHS Trust, London, England, United Kingdom

7 Royal Hallamshire Hospital, Sheffield, England, United Kingdom

8 St George's Hospital, London, England, United Kingdom

9 Population Health Sciences Institute, Newcastle University, Newvastle, England, United Kingdom

10 John Radcliffe Hospital, Oxford, England, United Kingdom

11 Department of Applied Health Sciences, University of Birmingham, Birmingham, England, United Kingdom

*these authors contributed equally

Corresponding Author:

  • Jameel Muzaffar
  • Department of Applied Health Sciences
  • University of Birmingham
  • Edgbaston
  • Birmingham, England B15 2TT
  • United Kingdom
  • Phone: 44 7447065968
  • Email: j.muzaffar@bham.ac.uk