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Improving the diagnostic accuracy of referrals for papilloedema (DIPP) study: protocol for a mixed-methods study
Alyson Huntley1, Olivia Skrobot2, Matthew J Ridd2
1Centre of Academic Primary Care, University of Bristol, Bristol, UK alyson.huntley@bristol.ac.uk.
BMJ Open
|January 29, 2025
Summary
This study aims to improve the identification of papilloedema, a sign of serious illness, by developing new guidelines. This will help reduce unnecessary hospital referrals and ensure timely care for patients needing it.
Area of Science:
- Ophthalmology
- Neurology
- Health Services Research
Background:
- Papilloedema can indicate life-threatening conditions like brain tumors, necessitating urgent referral.
- Benign optic nerve variations (pseudopapilloedema) are often misidentified, leading to increased, unnecessary hospital referrals.
- Increased referrals strain hospital services and may delay care for patients with true papilloedema.
Purpose of the Study:
- To develop evidence-based guidelines and educational materials for healthcare professionals to accurately identify papilloedema.
- To improve diagnostic and referral pathways for suspected papilloedema in England.
- To reduce unnecessary hospital referrals and optimize healthcare resource allocation.
Main Methods:
- Collecting qualitative and quantitative data via Freedom of Information requests to Integrated Care Boards.
- Conducting surveys and interviews with community and hospital healthcare professionals.
- Utilizing a Delphi process to achieve consensus on best practices among experts, commissioners, and patients.
Main Results:
- Data collection on current referral practices for suspected papilloedema is underway.
- Evidence gathering will inform the development of consensus-based guidelines.
- Guidelines and educational materials will be created for national implementation.
Conclusions:
- Accurate identification of papilloedema is crucial for timely diagnosis of serious conditions.
- Improved guidelines and education can reduce misdiagnosis and inappropriate referrals.
- The DIPP study aims to enhance patient care and healthcare system efficiency.

