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(1) Background: Celiac disease (CD) is a common autoimmune disorder. The manifestations of the disease and the obligatory life-long gluten-free diet (GFD) are associated with the impairment of patients' quality of life. Therefore, the present study aimed to translate, culturally adapt and validate a celiac disease quality of life (CD-QoL) questionnaire and apply it to a representative number of Brazilian CD patients. (2) Methods: A cross-cultural Brazilian-Portuguese version of the CD-QoL was developed according to revised international guidelines. The questionnaire was administered to 450 celiac patients. The reliability, reproducibility and validity were studied. (3) Results: The Brazilian CD-QoL questionnaire presents valid measures of reproducibility and internal consistency. Early diagnosis is related to higher scores of Brazilian CD-QoL social, sub- and total scale. There was a positive correlation between higher education level and higher QoL. Individuals with partners tend to have a better emotional subscale of QoL. CD-patients who follow a strict GFD have highest QoL scale values. Men scored higher than women on the CD-QoL. All results were statistically significant except for the gastrointestinal subscale. (4) Conclusions: Brazilian CD-QoL allows comparative research between different celiac populations in the world. QoL research will help in the development of effective strategies to improve Brazilian celiac patients' quality of life.

Background: Restrictions imposed by the gluten-free diet generate large changes in the daily habits of the celiac patient, causing a negative impact on quality of life., Objective: This study aimed to evaluate the quality of life of patients with celiac disease on a capital in Southern Brazil., Methods: Patients older than 18 years were included, with confirmed celiac disease for at least 60 days in the period from June to October 2013. A validated questionnaire, with specific questions to assess the patient's quality of life celiac was applied. A total score ranged from 20 to 100 points; the higher the score, worse quality of life., Results: A total of 103 questionnaires were evaluated, 96 (93.2%) female, with average score 56.6±12.35 (28 to 88 points). The comparison between the questionnaire scores and family income was not significant (P=0.139). Patients diagnosed less than 1 year have poorer quality of life than those with more than 10 years (P=0.063). Patients older than 60 years had better quality of life compared with the younger ones (P=0.04)., Conclusion: There was no association between quality of life and factors such as family income, length of diet and age at diagnosis. Chronological age greater than 60 years has positively influenced the quality of life of celiac patients.

Purpose: The purpose of the present study was to evaluate the quality of life (QoL) of children with CD and of their parents and to compare it with that of children without CD and of their parents., Methods: A case-control study was conducted to evaluate the quality of life of children (5-12 years) with CD and one of their parents, compared to the QoL of children without CD (and their parents as their caregivers ). The QoL was assessed by applying the following questionnaires: AUQUEI (children) and WHOQOL-BREF (parents)., Results: QoL was evaluated in 33 children with CD, 63 children without CD, and of their respective parents as their parent caregivers (96 adults). QoL total scores were similar between the groups of children with and without CD. However, in the Leisure dimension, the scores of children with CD were significantly lower than those of the controls (P = 0.029). Similarly, when assessing the QoL of the parents, we found scores significantly lower in the social dimension (P = 0.0196) for parents of children with CD compared to parents of children without CD. Family income presented an impact on the QoL in adults, but did not affect children. In CD group, children of mothers who had lower educational levels presented better scores in the function dimension, regarding self-care and autonomy., Conclusions: There is an impairment of the QoL of children with CD and of their parents, with regard to social life, particularly in the leisure (children) and social (adults) dimensions.

We analyzed three functional 5' un-translated region beta-defensin 1 (DEFB1) single nucleotide polymorphism (SNPs) in a group of 170 type 1 diabetes (T1D) patients. In order to evaluate the SNPs influence on the disease onset and the development of other autoimmune disorder, such as celiac disease (CD) and autoimmune thyroid disease (AITD), patients were stratified according to the presence of AITD, CD, and both AITD and CD. As control group, we studied 191 healthy children and adolescent not presenting a familiar historic of T1D, CD or AITD. DEFB1 SNPs were in Hardy-Weinberg equilibrium both in healthy controls and T1D patients, as well in the T1D patients stratified according to the presence of other autoimmune disorder(s). Allele, genotype, and haplotype frequencies of T1D patients globally considered were comparable to healthy controls ones. No evidence of any association of DEFB1 SNPs with the onset of AIDT, CD, and both AITD and CD on T1D patients was evidenced. Only a minor trend was found for an increased frequency of the - 20 G allele in T1D patients only presenting AITD vs. T1D patients not presenting AITD or CD, as well as an increase of those haplotypes comprising the - 20 G allele when compared with the GCA haplotype. We also evaluated the influence of functional DEFB1 SNPs on the age of T1D onset: no significant statistical conclusion was achieved. Further studies are envisaged, in order to elucidate the possible role of functional DEFB1 polymorphisms in the onset of TD1 and other autoimmune-related disorders.

Background: To compare bone mineral density (BMD) in children and adolescents with celiac disease (CD) and control subjects and to evaluate diet adequacy and calcium metabolism in patients with CD., Methods: Thirty patients with asymptomatic CD (17 children, 13 adolescents), on a gluten-free diet, and 23 healthy subjects were studied. BMD of the lumbar spine (dual energy x-ray absorptiometry) was performed on all patients and control subjects. In patients, food diaries for nine nonconsecutive days were obtained and analyzed. In patients, laboratory tests pertaining to calcium balance were obtained., Results: The mean weight and height of the adolescents with CD were lower than those of control subjects (weight: 45.8 +/- 10.5 kg v 55.3 +/- 10.5 kg, P = 0.037; height: 153.0 +/- 11.0 cm v 167 +/- 12.0 cm, P = 0.007). The mean BMD in adolescents with CD was significantly lower than that of the control subjects (0.917 +/- 0.116 g/cm2 v 1.060 +/- 0.158 g/cm2, P = 0.015), whereas no significant difference was found between children with CD and control subjects (P = 0.595). A multiple-regression model shows that increases in BMD relative to height were lower in adolescents with CD than in control subjects. The proportion of adolescents who had started a gluten-free diet after 2 years of age was higher than that of children with CD (P < 0.001). High percentages of magnesium, calcium, and phosphorous deficiencies were present in CD patients' diets. The serum levels of ionized and total calcium and parathormone were normal., Conclusions: The BMD of adolescents with CD was lower than that of the control subjects, whereas no difference was found between the BMD of children with CD and that of control subjects.