Recent interim guidance from the British Society of Gastroenterology, aligned to historical paediatric practice, advises a no-biopsy protocol (NBP) for adults with high anti-tissue transglutaminase (tTG-IgA) titres and other clinical factors. A 7-year retrospective review identified 433 patients with positive tTG-IgA. Of these 433, 98 (23%) fulfilled the high titre criteria for an NBP which may have reduced endoscopic burden on the service. A high titre versus low titre translated in a 95% versus 75% histological confirmation of coeliac disease (p<0.01). The addition of anti-endomysial antibody analyses impacted minimally on these predictive rates. Our data support an NBP approach for selected patients. Of concern, however, was the finding that a third of patients with positive titres were not referred for a biopsy despite national guidance at the time advocating it. A clear message needs to be transmitted that the NBP is only for those with high titre, as opposed to any tTG-IgA positivity.
- coeliac disease
- small intestinal biopsy
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Contributors RDJ and SPP: project concept, supervision, prepared, revised and edited the manuscript with comments and review from all authors. YJC, TM and JRB: generation of patient list through database search, collected and analysed data. All authors have approved the uploaded draft.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
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