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What are the clinical consequences of 'potential' coeliac disease?
Millie Newton1, Emily A Greenaway1, William J Holland1
1Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield Teaching Hospital NHS Foundation Trust, Sheffield, UK.
Background:
There is limited data on the clinical consequences of potential coeliac disease (PCD).
Aim:
To compare the presentation of PCD with coeliac disease (CD).
Methods:
A retrospective study of adult PCD patients (>18 years) was performed. Presenting manifestations, serology and HLA-DQ genotyping were compared to an age-at-diagnosis and sex-matched CD cohort.
Results:
The PCD cohort comprised 84 patients (median age 37 years, 63% female). The majority of PCD patients were symptomatic at presentation (PCD 91.7% versus CD cohort 94.0%, p = 0.55). In total, 79.8% and 76.2% of the PCD and CD cohorts respectively reported ≥1 gastrointestinal symptoms at presentation (p = 0.58). Extraintestinal presentation was less common in PCD than CD (65.5% versus 79.8% respectively, p = 0.038). PCD patients had fewer haematinic deficiencies than those with CD (iron 21.4% versus 41.7%, p = 0.005, vitamin D 14.3% versus 27.4%, p = 0.037 and folate deficiency 7.1% versus 28.6%, p= <0.001.) Post-diagnosis, 67.5% of the PCD patients chose a GFD. One-third of the patients who continued to eat gluten developed villous atrophy.
Conclusion:
The presentation of PCD and CD differ; however, mild enteropathy does not necessarily equate to mild symptoms. The GFD appears to be advantageous in symptomatic PCD.
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