BACKGROUND We recently reported on a hereditary enteropathy associated with a gene encoding a prostaglandin transporter and referred to as chronic enteropathy associated with SLCO2 A1 gene(CEAS). Crohn's disease(CD) i...
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BACKGROUND We recently reported on a hereditary enteropathy associated with a gene encoding a prostaglandin transporter and referred to as chronic enteropathy associated with SLCO2 A1 gene(CEAS). Crohn's disease(CD) is a major differential diagnosis of CEAS, because these diseases share some clinical features. Therefore, there is a need to develop a convenient screening test to distinguish CEAS from *** To examine whether prostaglandin E major urinary metabolites(PGE-MUM) can serve as a biomarker to distinguish CEAS from *** This was a transactional study of 20 patients with CEAS and 98 patients with *** was diagnosed by the confirmation of homozygous or compound heterozygous mutation of SLCO2 A1. We measured the concentration of PGEMUM in spot urine by radioimmunoassay, and the concentration was compared between the two groups of patients. We also determined the optimal cut-off value of PGE-MUM to distinguish CEAS from CD by receiver operating characteristic(ROC) curve *** Twenty Japanese patients with CEAS and 98 patients with CD were ***-MUM concentration in patients with CEAS was significantly higher than that in patients with CD(median 102.7 vs 27.9 μg/g × Cre, P < 0.0001). One log unit increase in PGE-MUM contributed to 7.3 increase in the likelihood for the diagnosis of CEAS [95% confidence interval(CI) 3.2-16.7]. A logistic regression analysis revealed that the association was significant even after adjusting confounding factors(adjusted odds ratio 29.6, 95%CI 4.7-185.7). ROC curve analysis revealed the optimal PGE-MUM cut-off value for the distinction of CEAS from CD to be 48.9 μg/g × Cre with 95.0% sensitivity and 79.6% *** PGE-MUM measurement is a convenient, non-invasive and useful test for the distinction of CEAS from CD.
AIM: To classify changes over time in causes of lower gastrointestinal bleeding(LGIB) and to identify factors associated with changes in the incidence and characteristics of diverticular hemorrhage(DH).METHODS: A tota...
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AIM: To classify changes over time in causes of lower gastrointestinal bleeding(LGIB) and to identify factors associated with changes in the incidence and characteristics of diverticular hemorrhage(DH).METHODS: A total of 1803 patients underwent colonoscopy for overt LGIB at our hospital from 1995 to 2013. Patients were divided into an early group(EG, 1995-2006, n = 828) and a late group(LG, 2007-2013, n = 975), and specific diseases were compared between groups. In addition, antithrombotic drug(ATD) use and nonsteroidal anti-inflammatory drug(NSAID) use were comparedbetween patients with and without DH. RESULTS: Older patients(≥ 70 years old) and those with colonic DH were more frequent in LG than in EG(P < 0.01). Patients using ATDs as well as NSAIDs, male sex, obesity(body mass index ≥ 25 kg/m2), smoking, alcohol drinking, and arteriosclerotic diseases were more frequent in patients with DH than in those without. CONCLUSION: Incidence of colonic DH seems to increase with aging of the population, and factors involved include use of ATDs and NSAIDs, male sex, obesity, smoking, alcohol drinking, and arteriosclerotic disease. These factors are of value in handling DH patients.
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