Journal
BMC GASTROENTEROLOGY
Volume 18, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12876-018-0901-0
Keywords
Chronic autoimmune atrophic gastritis; Vitamin D deficiency; Gastric carcinoid; Bone health; Osteoporosis
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BackgroundChronic autoimmune atrophic gastritis (CAAG) is an autoimmune disease characterized by hypo/achlorhydria. A role of CAAG in the pathogenesis of nutritional deficiencies has been reported, therefore we hypothesized a possible association between CAAG and 25-OH-Vitamin D [25(OH)D] deficiency. Aim of the present study is to evaluate the prevalence of 25(OH)D deficiency in CAAG patients. Methods: 87 CAAG patients (71 females; mean age 63.512.8years) followed at our Centre from January 2012 to July 2015 were consecutively evaluated. 25(OH)D, vitamin B-12, parathormone, and calcium were measured in all the CAAG patients. The results were compared with a control group of 1232 healthy subjects.ResultsIn the CAAG group the mean 25(OH)D levels were significantly lower than in the control group (18.8 vs. 27.0ng/ml, p<0.0001). 25(OH)D levels <20ng/ml was observed in 57 patients, while levels <12.5ng/ml in 27 patients. A significant correlation between vitamin B-12 values at diagnosis and 25(OH)D levels was observed (r(s)=0.25, p=0.01). Interestingly, the CAAG patients with moderate/severe gastric atrophy had lower 25(OH)D values as compared to those with mild atrophy (11.8 vs. 20ng/ml; p=0.0047). Moreover, the 25(OH)D levels were significantly lower in CAAG patients with gastric carcinoid as compared to those without gastric carcinoid (11.8 vs. 19.8ng/ml; p=0,0041).Conclusion p id=Par3 Data from the present study showed a significant reduction of 25(OH)D levels in CAAG patients and a possible impairment of vitamin D absorption in CAAG may be postulated. Any implication to the genesis of gastric carcinoids remains to be elucidated.
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