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Celiac.com 04/04/2012 - After numerous studies over several decades showing higher mortality rates in people with celiac disease, including a comprehensive study in 2009, published in Gastroenterology, news of a recent UK study, finding mortality rates for people with untreated celiac disease that are similar to the general population, has raised a few eyebrows. With diverse study data fueling differing opinions, questions regarding long-term mortality in people with celiac disease will likely take time to resolve. In the meantime, a review of scientific literature brought up this small 2007 study. In it, a research team compared long-term mortality rates in people diagnosed with celiac disease as children with rates for those diagnosed as adults. They wanted to find out how those rates might differ and if the rates might be related to the disease and the length of gluten exposure before diagnosis. To find an answer, the team gathered data for 285 children and 340 adults diagnosed with celiac disease. They continued to gather data for each until the end of 2004, excepting those who failed to follow up for other reasons. From their data, the team calculated standardized mortality ratios (SMRs) for the period starting five years after patient diagnosis. They found that adults diagnosed with celiac disease had 38% higher mortality rates (SMR 1.38, 95% CI 1.16-1.63). Children on the other hand, faced rates three-times higher (SMR 3.32, 95% CI 2.05-5.07). This excess mortality in children was mainly due to higher rates of death from accidents, suicide, and violence (seven deaths, SMR 3.22, 95% CI 1.29-6.63), cancer (five deaths, SMR 3.72, 95% CI 1.21-8.67), and cerebrovascular disease (two deaths, SMR 10.03, 95% CI 1.21-36.00). The 2007 study found that adults with celiac disease face a modest increase in mortality rates over the long-term, but that mortality rates for those diagnosed with celiac disease as children were three-times higher starting five years after diagnosis. The team proposed that the increased mortality in children from external causes may be due to behavioral changes associated with living with life-long celiac disease and its treatment. Stay tuned for further developments regarding mortality rates in people with celaic disease. Source: The American Journal of Gastroenterology. 2007;102(4):864-870.
Celiac.com 11/29/2007 - Studies have documented the role of gut microbiotic bacteria in diseases involving chronic inflammation, such as celiac disease, yet there is scant data on such bacteria that is specific to people with celiac disease. A team of Spanish and Italian researchers from three different hospitals and universities made up of Yolanda Sanz, Ester Sanchez, Marta Marzotto, Miguel Calabuig, Sandra Torriani, and Franco Dellaglio set out to determine what differences might exist between the microbiotic bacteria in the guts of children with celiac disease compared to a healthy control group of their peers. The team conducted a denaturing gradient gel electrophoresis analysis of fecal samples from both the celiac and the control groups. They found that children with celiac disease had a more diverse profile of intestinal microbiotic bacteria than did the healthy control subjects. The children with celiac disease were characterized by the presence of Lactobacillus curvatus, Leuconostoc mesenteriodes, and Leuconostoc carnosum, whereas the members of the healthy control group were characterized by the presence of Lactobacillus casei. Conversely, the bifidobacterium population was much greater in the members of the healthy control group than among the children with celiac disease. The healthy control group showed particularly high populations of bifidobacterium adolescentis compared to the celiac patients. The team has called for more research into which populations of the various gut microbial are affected by celiac disease. This may lead to a possible role for probiotics and/or prebiotics in returning the balance of the gut microbes in those with celiac disease. FEMS Immunol Med Microbiol. 2007 Dec;51(3):562-8