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1.
Immunol Res ; 64(2): 558-64, 2016 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-26676361

RESUMO

Gluten ataxia (GA) has customarily been considered to be the main neurological manifestation of celiac disease (CD). In recent years, the condition of non-celiac gluten sensitivity (NCGS) has been defined, which includes some patients who are not considered "true celiacs." We performed a comparative clinicopathological study of these three entities. We studied 31 GA, 48 CD and 37 NCGS patients, prospectively in the same center for a period of 7 years. The protocol study included two serological determinations for gluten sensitivity [anti-gliadin IgA and IgG (AGA) and anti-tissue transglutaminase IgA (TG) antibodies], HLA-DQ2 typing, and duodenal histological assessment. Demographics and investigative findings were compared. Females were 55 % in GA, 75 % in CD (p < 0.001), and 47 % in NCGS (N.S.). GA patients were older (59 ± 14 years) than CD (43 ± 13 years) and NCGS (41 ± 8 years) groups (p < 0.001). AGA positivity was higher in GA (100 %) than in CD (48 %) groups (p < 0.001), but similar to NCGS patients (89 %; N.S.); TG positivity was lower in GA (3.2 %) than in CD (33.3 %; p < 0.001), but similar to NCGS (2.7 %; N.S.). DQ2 (+) was lower in GA (32.2 %) than in CD (89.6 %; p < 0.001), but similar to NCGS (29.7 %; N.S.). Lymphocytic enteritis (Marsh type 1) was lower in GA (9.6 %) than in CD (66.7 %; p < 0.001), but similar to NCGS (10.8 %; N.S.). The other gluten sensitivity-related characteristics measured were different to CD patients, but very close to NCGS. We conclude that GA patients are better classified within the NCGS group, than within CD.


Assuntos
Ataxia/imunologia , Ataxia/fisiopatologia , Doença Celíaca/imunologia , Doença Celíaca/fisiopatologia , Glutens/imunologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos/imunologia , Ataxia/dietoterapia , Encéfalo/patologia , Doença Celíaca/dietoterapia , Doença Celíaca/genética , Dieta Livre de Glúten , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Razão de Chances
2.
Nutrients ; 7(10): 8733-51, 2015 Oct 22.
Artigo em Inglês | MEDLINE | ID: mdl-26506381

RESUMO

An old saying states that ''children are not little adults" and this certainly holds true for celiac disease, as there are many peculiar aspects regarding its epidemiology, diagnosis, clinical presentations, associated diseases, and response to treatment in pediatric compared to adult populations, to such an extent that it merits a description of its own. In fact, contrary to the past when it was thought that celiac disease was a disorder predominantly affecting childhood and characterized by a malabsorption syndrome, nowadays it is well recognized that it affects also adult and elderly people with an impressive variability of clinical presentation. In general, the clinical guidelines for diagnosis recommend starting with specific serologic testing in all suspected subjects, including those suffering from extraintestinal related conditions, and performing upper endoscopy with appropriate biopsy sampling of duodenal mucosa in case of positivity. The latter may be omitted in young patients showing high titers of anti-transglutaminase antibodies. The subsequent management of a celiac patient differs substantially depending on the age at diagnosis and should be based on the important consideration that this is a lifelong condition.


Assuntos
Fatores Etários , Doença Celíaca , Adulto , Doença Celíaca/complicações , Doença Celíaca/diagnóstico , Doença Celíaca/terapia , Criança , Protocolos Clínicos , Humanos
3.
Liver Int ; 35(1): 140-7, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24393326

RESUMO

BACKGROUND & AIMS: The natural course after hepatitis B surface antigen (HBsAg) seroclearance in Caucasian patients with chronic hepatitis B virus (HBV) infection is not well-defined. To investigate the clinical characteristics and outcome in a series of European Caucasian patients with chronic HBV infection according to HBsAg response over time. METHODS: A total of 612 patients with compensated chronic HBV infection and without other cause of liver disease were prospectively followed up. Seventy-eight subjects cleared HBsAg and 534 remained HBsAg-positive. Clinical and virological examinations were periodically performed and development of cirrhosis and liver-related complications was monitored during a mean follow-up time of 9.9 years. RESULTS: After HBsAg seroclearance, serum HBV DNA was undetectable in 38 patients in whom it was tested and HBsAg reappearance was observed in two subjects (2.6%). At 15 years of follow-up, the cumulative probability of developing a liver-related complication was 11.6% in HBsAg-positive patients and 1.8% in those with HBsAg loss (P = 0.03), although this benefit was limited to patients with cirrhosis (P < 0.001) and to those who received therapy (P < 0.01). Among patients without cirrhosis and among those who did not receive therapy, the probability was not different between those who cleared the HBsAg and those who did not (P = 0.3 and P = 0.5 respectively). CONCLUSION: Hepatitis B surface antigen loss confers a significant clinical benefit in Caucasian subjects with HBV-related cirrhosis and in those with chronic HBV infection who receive antiviral therapy. However, HBsAg reappearance can be observed in selected cases.


Assuntos
Antivirais/uso terapêutico , Antígenos de Superfície da Hepatite B/sangue , Hepatite B Crônica/complicações , Hepatite B Crônica/fisiopatologia , Cirrose Hepática/etiologia , DNA Viral/sangue , Seguimentos , Hepatite B Crônica/sangue , Hepatite B Crônica/tratamento farmacológico , Técnicas Histológicas , Humanos , Fígado/patologia , Cirrose Hepática/sangue , Prognóstico , Estudos Prospectivos , Estatísticas não Paramétricas , População Branca
4.
Biomed Res Int ; 2013: 127589, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23984314

RESUMO

Celiac disease (CD) is frequently accompanied by a variety of extradigestive manifestations, thus making it a systemic disease rather than a disease limited to the gastrointestinal tract. This is primarily explained by the fact that CD belongs to the group of autoimmune diseases. The only one with a known etiology is related to a permanent intolerance to gluten. Remarkable breakthroughs have been achieved in the last decades, due to a greater interest in the diagnosis of atypical and asymptomatic patients, which are more frequent in adults. The known presence of several associated diseases provides guidance in the search of oligosymptomatic cases as well as studies performed in relatives of patients with CD. The causes for the onset and manifestation of associated diseases are diverse; some share a similar genetic base, like type 1 diabetes mellitus (T1D); others share pathogenic mechanisms, and yet, others are of unknown nature. General practitioners and other specialists must remember that CD may debut with extraintestinal manifestations, and associated illnesses may appear both at the time of diagnosis and throughout the evolution of the disease. The implementation of a gluten-free diet (GFD) improves the overall clinical course and influences the evolution of the associated diseases. In some cases, such as iron deficiency anemia, the GFD contributes to its disappearance. In other disorders, like T1D, this allows a better control of the disease. In several other complications and/or associated diseases, an adequate adherence to a GFD may slow down their evolution, especially if implemented during an early stage.


Assuntos
Doenças Autoimunes/complicações , Doença Celíaca/complicações , Doença Celíaca/genética , Doença Celíaca/imunologia , Linfoma de Células T Associado a Enteropatia/complicações , Humanos
5.
Gastroenterol Res Pract ; 2013: 584540, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24385981

RESUMO

Background. Gastroduodenal ulcer bleeding is a common medical emergency. The aim of this study was to analyze the characteristics of bleeding episodes and to identify changes in the clinical trends over seven years. Methods. Retrospective observational clinical study on a cohort of 272 consecutive adult patients with peptic ulcer bleeding, during the 2006-2012 period. Results. Mean annual admission rate was 12.8 per 100.000 inhabitants. Men were predominant (71%), with a mean age of 66.6 years. Comorbidities were present in 131 cases (48.2%) and 156 patients (57.4%) had received ulcerogenic drugs. Duodenal ulcer was the commonest location (61%). Endoscopic therapy was necessary in 183 cases (67.3%) and rebleeding occurred in 30 patients (11%). Overall mortality rate was 5.5%, with a significant association with the presence of comorbidities (P < 0.01). There were no differences in trends of annual hospitalization, clinical features at presentation, and outcomes during this 7-years period. Conclusions. Annual hospitalization rates and prognosis of peptic ulcer bleeding have remained unchanged in the study period. This may be due to the fact that the effect of improved approach on this condition is probably counteracted by risk factors such as older age, severe comorbidities, and ulcerogenic drugs consumption, which have also remained stable over recent years.

6.
Am J Gastroenterol ; 97(4): 1016-21, 2002 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-12003382

RESUMO

OBJECTIVE: The increased risk of developing hepatocellular carcinoma in hereditary hemochromatosis has been associated with cirrhosis and hepatic iron overload. The aim of this study was to investigate the association between HFE gene mutations (C282Y, H63D) and hepatocellular carcinoma in patients with alcoholic and virus-related cirrhosis. METHODS: Serum markers of iron status and HFE mutations were determined in 179 patients with alcoholic cirrhosis and 98 patients with hepatitis B and/or hepatitis C virus-related cirrhosis. A total of 43 patients with alcoholic cirrhosis and 34 patients with virus-related cirrhosis had hepatocellular carcinoma. The control group consisted of 159 healthy bone marrow donors. RESULTS: No differences were found in the frequencies of mutations among patients with alcoholic cirrhosis, those with virus-related cirrhosis, and the control subjects. However, nine (20.9%) of the 43 patients with alcoholic cirrhosis and hepatocellular carcinoma were heterozygous for the C282Y mutation, compared with six (4.4%) of the 136 patients without tumor (p = 0.002). This difference was not found in patients with virus-related cirrhosis, with or without hepatocellular carcinoma, or the H63D mutation. The transferrin saturation was the only serum iron marker the value of which was significantly higher among C282Y heterozygotes with alcoholic cirrhosis compared to those without mutation. CONCLUSIONS: The high frequency of heterozygosity for the C282Y mutation in patients with alcoholic cirrhosis plus hepatocellular carcinoma suggests that the presence of this mutation could be associated with an increased risk of developing hepatocellular carcinoma in these patients.


Assuntos
Carcinoma Hepatocelular/etiologia , Carcinoma Hepatocelular/genética , Antígenos HLA/genética , Hepatite B/complicações , Hepatite C/complicações , Antígenos de Histocompatibilidade Classe I/genética , Cirrose Hepática Alcoólica/complicações , Cirrose Hepática Alcoólica/genética , Cirrose Hepática/complicações , Cirrose Hepática/genética , Neoplasias Hepáticas/etiologia , Neoplasias Hepáticas/genética , Proteínas de Membrana , Mutação/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Proteína da Hemocromatose , Heterozigoto , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco
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