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Biomedical subjects

K Thomason

Publications and source records attributed to K Thomason.

3 recordsLinked to original sources

Fracture experience of patients with coeliac disease: a population based survey.

BACKGROUND: While coeliac disease is now recognised as being associated with both osteoporosis and osteomalacia, the size of any increase in the risk of fracture in patients with coeliac disease compared with the general population has not been quantified. AIM: To examine the fracture experience of adults with coeliac disease compared with the general population. SUBJECTS: Patients with coeliac disease diagnosed in adulthood and born before 1950, selected from two large population based disease registers, and age and sex frequency matched controls identified from local general practitioner lists. METHODS: A four page lifestyle and general health questionnaire which included specific questions about fracture experience. RESULTS: Analysis was performed on 244 patients with coeliac disease and 161 controls, giving response rates of 89% and 72%, respectively. Eighty two (35%) coeliac patients and 53 (33%) controls reported ever having sustained one or more fractures, giving an age and sex adjusted odds ratio of 1.05 (95% confidence interval (CI) 0.68-1.62). The most common fracture site reported was the forearm or wrist, with an adjusted odds ratio of 1.21 (95% CI 0.66-2.25) for patients with coeliac disease having had a forearm or wrist fracture. Low trauma fractures were reported by 37 patients with coeliac disease (15.7%) and by 21 controls (13.8%), with an adjusted odds ratio of 1.16 (95% CI 0.65-2.10). The risk of low trauma fracture was slightly higher in coeliac men than women (odds ratio 1.28 compared with 1.12), but this difference was not statistically significant (p=0.84). After adjustment for age, sex, body mass index, and smoking status, patients with coeliac disease reported 13% more low trauma fractures than controls (odds ratio 1.13, 95% CI 0.60-2.12). There was no difference in low trauma fracture risk before and after diagnosis of coeliac disease. CONCLUSION: No overall increased fracture risk in patients with coeliac disease was observed. Although severe osteoporosis may develop in a subset of patients, as a whole patients with coeliac disease do not represent a population at particularly high risk of osteoporotic fracture and thus targeting them for osteoporosis screening and treatment is not justified.

Adult↗

Cigarette smoking and adult coeliac disease.

BACKGROUND: While coeliac disease is clearly induced by dietary gluten ingestion in genetically susceptible individuals, other environmental factors may influence the onset of disease. Two studies have suggested that cigarette smoking has a protective role, but a third has not. METHODS: We examined the relationship between cigarette smoking and coeliac disease in individuals with coeliac disease diagnosed in adulthood from two large population-based disease registers and age and sex-matched controls from local general practitioner lists. Participants were mailed a three-page lifestyle and general health questionnaire. Smoking habits of coeliacs were compared with controls and with habits reported in the Health Survey for England 1995. RESULTS: An inverse association between current smoking and adult coeliac disease was identified (odds ratio: 0.77 (95% CI 0.56-1.06)) and remained when comparing ever smoked versus never smoked (odds ratio: 0.83 (0.68-1.00)). When the smoking habits of the coeliacs were compared with the national figures, the number of coeliacs who currently smoked was 40% lower than expected (smoking ratio 0.60, 0.46-0.78). This inverse association was accounted for by the behaviour of the 35-54-year age group (odds ratio for ever smoked 0.67 (0.51-0.89)). There was no association with having ever smoked in the younger age group (odds ratio: 1.44 (0.75-2.78)) or the older group (odds ratio: 0.92 (0.67-1.26)). CONCLUSIONS: There was an inverse association between adult coeliac disease and cigarette smoking which was accounted for by middle-aged coeliacs having never smoked. These results are consistent with an age-dependent interaction between cigarette smoking and the other environmental factors implicated in coeliac disease, including gluten.

Adolescent↗