Suitability of UK Biobank Retinal Images for Automatic Analysis of Morphometric Properties of the Vasculature.

Thomas J MacGillivray, James R Cameron, Qiuli Zhang, Ahmed El-Medany, Carl Mulholland, Ziyan Sheng, Fergus N Doubal, Emmanuel Trucco, Tariq Aslam (Collaborator), Yanchun Bao (Collaborator), Sarah Barman (Collaborator), Paul Bishop (Collaborator), Peter Blows (Collaborator), Catey Bunce (Collaborator), Usha Chakravarthy (Collaborator), Michelle Chan (Collaborator), Antonietta Chianca (Collaborator), Valentina Cipriani (Collaborator), David Crabb (Collaborator), Philippa Cumberland (Collaborator)Alexander Day (Collaborator), Parul Desai (Collaborator), Bal Dhillon (Collaborator), Andrew Dick (Collaborator), Paul Foster (Collaborator), John Gallacher (Collaborator), David Ted Garway (Collaborator), Srini Goverdhan (Collaborator), Jeremy Guggenheim (Collaborator), Priyal Gupta (Collaborator), Chris Hammond (Collaborator), Ruth Hogg (Collaborator), Anne Hughes (Collaborator), Pearse Keane (Collaborator), Peng Tee Khaw (Collaborator), Anthony Khawaja (Collaborator), Gerassimos Lascaratos (Collaborator), Andrew Lotery (Collaborator), Phil Luthert (Collaborator), Tom MacGillivray (Collaborator), Sarah Mackie (Collaborator), Keith Martin (Collaborator), Michelle McGaughey (Collaborator), Bernadette McGuinness (Collaborator), Gareth McKay (Collaborator), Martin McKibbin (Collaborator), Danny Mitry (Collaborator), Tony Moore (Collaborator), James Morgan (Collaborator), Zaynah Muthy (Collaborator), Eoin O'Sullivan (Collaborator), Chris Owen (Collaborator), Praveen Patel (Collaborator), Tunde Peto (Collaborator), Jugnoo Rahi (Collaborator), Alicja Rudnicka (Collaborator), Carlota Grossi Sampedro (Collaborator), David Steel (Collaborator), Irene Stratton (Collaborator), Nicholas Strouthdis (Collaborator), Cathie Sudlow (Collaborator), Caroline Thaung (Collaborator), Dhanes Thomas (Collaborator), Emanuele Trucco (Collaborator), Adnan Tufail (Collaborator), Stephen Vernon (Collaborator), Ananth Viswanathan (Collaborator), Cathy Williams (Collaborator), Katie Williams (Collaborator), John Yates (Collaborator), Max Yates (Collaborator), Jennifer Yip (Collaborator), Haogang Zhu (Collaborator)

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: To assess the suitability of retinal images held in the UK Biobank--the largest retinal data repository in a prospective population-based cohort--for computer assisted vascular morphometry, generating measures that are commonly investigated as candidate biomarkers of systemic disease. METHODS: Non-mydriatic fundus images from both eyes of 2,690 participants--people with a self-reported history of myocardial infarction (n=1,345) and a matched control group (n=1,345)--were analysed using VAMPIRE software. These images were drawn from those of 68,554 UK Biobank participants who underwent retinal imaging at recruitment. Four operators were trained in the use of the software to measure retinal vascular tortuosity and bifurcation geometry. RESULTS: Total operator time was approximately 360 hours (4 minutes per image). 2,252 (84%) of participants had at least one image of sufficient quality for the software to process, i.e. there was sufficient detection of retinal vessels in the image by the software to attempt the measurement of the target parameters. 1,604 (60%) of participants had an image of at least one eye that was adequately analysed by the software, i.e. the measurement protocol was successfully completed. Increasing age was associated with a reduced proportion of images that could be processed (p=0.0004) and analysed (p
Original languageEnglish
JournalPLoS ONE
Volume10
Issue number5
DOIs
Publication statusPublished - 2015

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