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2.
Eur J Intern Med ; 116: 43-50, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37302951

RESUMO

BACKGROUND & AIMS: Antimitochondrial antibodies (AMA) are specific markers for the diagnosis of primary biliary cholangitis (PBC) but can also be found occasionally in patients with autoimmune hepatitis (AIH). The present large multicentre cohort study assessed the prevalence and significance of AMA in AIH-patients. METHODS: 123 AMA-positive AIH-patients were investigated and compared with 711 age-matched AMA-negative AIH-patients and 69 patients with AIH/PBC variant. RESULTS: AMA prevalence in AIH-patients was 5.1% (range: 1.2%-11.8%). AMA-positivity was associated with female sex (p = 0.031) in AMA-positive AIH-patients but not with liver biochemistry, bile duct injury on liver biopsy, disease severity at baseline and response to treatment compared to AMA-negative AIH-patients. Comparing AMA-positive AIH-patients to those with AIH/PBC variant, there was no difference in disease severity. Regarding liver histology, AIH/PBC variant patients were characterized by the presence of at least one feature of bile duct damage (p<0.001). Response to immunosuppressive treatment was similar among groups. From AMA-positive AIH patients only those with evidence of non-specific bile duct injury had higher risk to progress to cirrhosis (HR=4.314, 95%CI: 2.348-7.928; p<0.001). During follow-up, AMA-positive AIH-patients had higher risk to develop histological bile duct injury (HR 4.654, 95%CI 1.829-11.840; p = 0.001). CONCLUSIONS: AMA presence is relatively common among AIH-patients, but their clinical significance seems important only when they co-exist with non-specific bile duct injury at the histological level. Therefore, a careful evaluation of liver biopsy seems of utmost importance in these patients.


Assuntos
Hepatite Autoimune , Cirrose Hepática Biliar , Feminino , Humanos , Autoanticorpos , Estudos de Coortes , Hepatite Autoimune/epidemiologia , Hepatite Autoimune/diagnóstico , Cirrose Hepática Biliar/diagnóstico , Prevalência , Masculino
3.
World J Gastroenterol ; 29(12): 1795-1810, 2023 Mar 28.
Artigo em Inglês | MEDLINE | ID: mdl-37032725

RESUMO

Primary biliary cholangitis (PBC) is a chronic cholestatic liver disease characterized by immune-driven destruction of small intrahepatic bile ducts leading a proportion of patients to hepatic failure over the years. Diagnosis at early stages in concert with ursodeoxycholic acid treatment has been linked with prevention of disease progression in the majority of cases. Diagnosis of PBC in a patient with cholestasis relies on the detection of disease-specific autoantibodies, including anti-mitochondrial antibodies, and disease-specific anti-nuclear antibodies targeting sp100 and gp210. These autoantibodies assist the diagnosis of the disease, and are amongst few autoantibodies the presence of which is included in the diagnostic criteria of the disease. They have also become important tools evaluating disease prognosis. Herein, we summarize existing data on detection of PBC-related autoantibodies and their clinical significance. Moreover, we provide insight on novel autoantibodies and their possible prognostic role in PBC patients.


Assuntos
Colangite , Colestase , Cirrose Hepática Biliar , Humanos , Autoanticorpos , Cirrose Hepática Biliar/diagnóstico , Cirrose Hepática Biliar/tratamento farmacológico , Anticorpos Antinucleares , Ácido Ursodesoxicólico/uso terapêutico , Colangite/diagnóstico , Colangite/tratamento farmacológico
4.
Crit Rev Food Sci Nutr ; : 1-15, 2022 Jul 28.
Artigo em Inglês | MEDLINE | ID: mdl-35900212

RESUMO

Theoretical evidence and previous studies suggest that oralnutrient supplementation (ONS) with n-3 fatty acids for rheumatoid arthritis (RA) has the potential to lower disease activity indicators and non-steroidal anti-inflammatory drug (NSAID) uptake. A systematic search was conducted on five databases/registries from inception until May 23, 2021 with the aim to identify randomized placebo-controlled trials comparing n-3 supplements to placebo on disease-specific outcomes. A total of 23 studies matched the criteria (PROSPERO: CRD42019137041). Pooled analyses revealed that n-3 ONS provided a small effect in reducing pain [standardized mean difference (SMD): -0.16, 95% confidence intervals (CI): -0.40 to 0.09], and tender (SMD: -0.20, 95% CI: -0.46 to 0.05) and swollen joint count (SMD: -0.10, 95% CI: -0.28 to 0.07). In sensitivity analyses, there was a small effect in the reduction of NSAIDs intake (SMD: -0.22, 95% CI: -0.90 to 0.46), and c-reactive protein was reduced only by 0.21 mg/dL (95% CI: -0.75 to 0.33). Similar findings were observed regarding other objective/subjective outcomes. The certainty of the evidence was mostly of "very low/low" quality. Overall, n-3 ONS in RA might have a limited clinical benefit. Previous findings suggesting a reduction in NSAID intake may have been biased from the inadequate blinding of interventions.

5.
Ann Gastroenterol ; 35(1): 80-87, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-34987293

RESUMO

BACKGROUND: Spontaneous bacterial peritonitis (SBP) is an ominous complication of decompensated cirrhosis. This study aimed to assess several epidemiological, clinical, microbiological and outcome characteristics in Greek patients with SBP, as no solid representative nationwide data of this type was available. METHODS: During a 3-year period, 77 consecutive patients with SBP (61 male; median age: 67 years; model for end-stage liver disease [MELD] score: 20), diagnosed and followed in 5 tertiary liver units, were prospectively recruited and studied. Various prognostic factors for disease outcome were studied. RESULTS: Thirty-eight patients had alcohol-related cirrhosis, 17 viral hepatitis, 6 non-alcoholic steatohepatitis, 6 autoimmune liver diseases, and 10 cryptogenic cirrhosis. Hepatocellular carcinoma (HCC) was present in 23 (29.9%), whereas 10 (13%) had portal vein thrombosis. The first SBP episode at baseline was community-acquired in 53 (68.8%), while in 24 (31.1%) was hospital-acquired, with predominant symptoms abdominal pain and encephalopathy. A positive ascitic culture was documented in 36% of patients in the initial episode, with almost equal gram (+) and gram (-) pathogens, including 3 multidrug-resistant pathogens. Significant factors for 6-month survival were: higher MELD score, previous b-blocker use, lower serum albumin, higher lactate on admission and need for vasopressors, while factors for 12-month survival were MELD score and lactate. For overall survival, higher MELD score and lactate along with HCC presence were negative predictive factors. CONCLUSIONS: MELD score, lactate, albumin, HCC and treatment with vasopressors were predictive of survival in SBP patients. In hospital-acquired SBP the prevalence of difficult-to-treat pathogens was higher.

6.
Ann Gastroenterol ; 34(3): 431-437, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33948070

RESUMO

BACKGROUND: The epidemiology of hepatitis B virus (HBV) infection has changed in recent years as a result of various factors. Our aim was to assess the epidemiological characteristics and the evolution of the HBV infection in a well-defined area of Greece. METHOD: Prospectively collected data from 1910 consecutive patients (60.8% male, age: 50.1 years) with chronic hepatitis B (CHB) followed from 1999-2016 were analyzed. RESULTS: Of the patients evaluated, 90.6% were of Greek and 8% of Albanian origin. Vertical/intrafamilial transmission during early childhood (56.8%) and traditional practices (17.2%) were the most common infection sources. Several areas with higher rates of CHB were identified. At first evaluation, 68.8% had chronic infection, 21.7% chronic hepatitis, 6.1% cirrhosis and 3.4% hepatocellular carcinoma (HCC). Comparison between 2 periods (1999-2010 and 2011-2016) revealed older age and longer disease duration at first presentation (P<0.001 for both) to be more common during 2011-2016, while patients of foreign nationality doubled during this period. There was a trend towards more advanced disease stage at first assessment during 2011-2016. Patients after 2011 had lower rates of virological and biochemical breakthrough (P<0.001 for both) during treatment with new antivirals. In addition, fewer patients progressed to cirrhosis (P=0.02) and HCC (P=0.04). CONCLUSIONS: CHB continues to be a major health problem in Central Greece, as highlighted by the preservation of high prevalence areas and a tendency towards an increase of chronic liver disease burden longitudinally. Our data highlight the need for scaling-up prevention and treatment strategies, especially in at-risk populations.

7.
Cancers (Basel) ; 13(5)2021 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-33804480

RESUMO

Hepatocellular carcinoma (HCC), the commonest among liver cancers, is one of the leading causes of mortality among malignancies worldwide. Several reports demonstrate autoimmune liver diseases (AILDs), including autoimmune hepatitis (AIH), primary biliary cholangitis (PBC), and primary sclerosing cholangitis (PSC) to confer increased risk of hepatobiliary malignancies, albeit at lower frequencies compared to other liver diseases. Several parameters have been recognized as risk factors for HCC development in AIH and PBC, including demographics such as older age and male sex, clinical features, the most decisive being cirrhosis and other co-existing factors, such as alcohol consumption. Moreover, biochemical activity and treatment response have been increasingly recognized as prognostic factors for HCC development in AIH and PBC. As available treatment modalities are effective only when HCC diagnosis is established early, surveillance has been proven essential for HCC prognosis. Considering that the risk for HCC is not uniform between and within disease groups, refinement of screening strategies according to prevailing demographic, clinical, and molecular risk factors is mandated in AILDs patients, as personalized HCC risk prediction will offer significant advantage in patients at high and/or medium risk. Furthermore, future investigations should draw attention to whether modification of immunosuppression could benefit AIH patients after HCC diagnosis.

8.
Eur J Intern Med ; 85: 86-91, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33451888

RESUMO

AIMS: Differential diagnosis of autoimmune hepatitis (AIH) incorporates various liver diseases, including alcoholic liver disease (ALD). We report on clinical, laboratory and outcome characteristics of AIH patients who were initially referred as ALD based on increased alcohol consumption (AIH/ALD). METHODS: From 2000-2019, we retrospectively identified 12 AIH/ALD patients [9 males, age: 61 (30-73) years] in our prospective data base of 317 AIH patients. RESULTS: AIH diagnosis was based on aminotransferases elevation in 10 patients, high IgG in 8, compatible autoantibody profile in all and typical/compatible histology in all 9 with available biopsy. There were no significant differences of baseline demographics, presentation, cirrhosis at diagnosis, response to treatment and simplified score compared to 45 age- and sex-matched AIH patients without alcohol consumption and 44 age- and sex-matched ALD patients. However, the AIH/ALD cohort was characterized by more frequent progression to cirrhosis, higher liver-related deaths and overall mortality compared to AIH, though similar to the ALD group. AST/ALT ratio>1 seems to bear a good positive (0.84) and negative predictive value (0.88) for ALD and AIH diagnosis, respectively, but cannot help in discriminating the AIH/ALD variant. CONCLUSIONS: AIH should not be forgotten in patients with alcohol use when clinical and laboratory features hint towards the diagnosis of AIH/ALD variant as this group seems to have worse outcome compared to those with AIH alone suggesting the need for closer follow-up and surveillance. Reliable autoantibody testing and cautious interpretation of liver histology appear mandatory for AIH diagnosis in these difficult to diagnose cases.


Assuntos
Hepatite Autoimune , Hepatopatias Alcoólicas , Hepatite Autoimune/diagnóstico , Hepatite Autoimune/epidemiologia , Humanos , Fígado , Hepatopatias Alcoólicas/diagnóstico , Hepatopatias Alcoólicas/epidemiologia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Estudos Retrospectivos
9.
BMJ Case Rep ; 13(12)2020 Dec 13.
Artigo em Inglês | MEDLINE | ID: mdl-33318244

RESUMO

Hepatic brucelloma (HB), a rare manifestation of brucellosis, refers to liver involvement in the form of abscess. A 35-year-old woman stockbreeder was admitted due to 1-month history of evening fever, sweating and weight loss, while she was on 3-week course of rifampicin/doxycycline for suspected brucellosis. On admission, she had hepatosplenomegaly and a systolic murmur, while cholestasis, increased inflammation markers and a strong-positive Wright-Coombs test were the main laboratory findings. As blood and bone marrow cultures were unrevealing, further investigation with CT imaging showed a central liver calcification surrounded by heterogeneous hypodense area being compatible with HB. Material from CT-guided drainage tested negative for Brucella spp. After failure to improve on a 10-week triple regiment, surgical excision was decided and Brucella spp were identified by PCR. Our case highlights challenges in establishing HB diagnosis, which should be considered on the right epidemiological context and when serological and radiological evidence favour its diagnosis.


Assuntos
Brucelose/diagnóstico , Febre/microbiologia , Fígado/microbiologia , Adulto , Animais , Antibacterianos/uso terapêutico , Brucella melitensis/isolamento & purificação , Brucelose/tratamento farmacológico , Feminino , Febre/tratamento farmacológico , Humanos , Fígado/patologia , Tomografia Computadorizada por Raios X , Zoonoses
10.
World J Gastroenterol ; 26(2): 246-265, 2020 Jan 14.
Artigo em Inglês | MEDLINE | ID: mdl-31988587

RESUMO

BACKGROUND: Non-invasive criteria are needed for Crohn's disease (CD) diagnosis, with several biomarkers being tested. Results of individual diagnostic test accuracy studies assessing the diagnostic value of pancreatic autoantibodies-to-glycoprotein-2 (anti-GP2) tests for the diagnosis of CD appear promising. AIM: To systematically review and meta-analyze evidence on the diagnostic accuracy of anti-GP2 tests in patients with suspected/confirmed CD. METHODS: An electronic search was conducted on PubMed, Cochrane-CENTRAL and grey literature (CRD42019125947). The structured research question in PICPTR format was "Population" including patients with symptoms akin to CD, the "Index test" being anti-GP2 testing, the "Comparator" involved standard CD diagnosis, the "Purpose of test" being diagnostic, "Target disorder" was CD, and the "Reference standard" included standard clinical, radiological, endoscopical, and histological CD diagnostic criteria. Quality was assessed with the Quality Assessment of Diagnostic Accuracy Studies-2 tool and hierarchical models were employed to synthesize the data. RESULTS: Out of 722 studies retrieved, 15 were meta-analyzed. Thirteen studies had industry-related conflicts-of-interest, and most included healthy donors as controls (spectrum bias). For the combination of IgA and/or IgG anti-GP2 test, the summary sensitivity was 20% (95% confidence interval: 10%-29%) at a median specificity of 97%. If the test was applied in 10000 suspected patients, 9669 would be true negatives and in 26, the diagnosis would be missed. In this hypothetical cohort, the anti-GP2 would fail to produce a diagnosis for 81.3% of the positive cases. Low summary points of sensitivity and high specificity were estimated for the IgG or IgA anti-GP2 test. Analogous results were observed when the analyses were restricted using specific cut-offs, or when ulcerative colitis patients were used as comparators. CONCLUSION: Anti-GP2 tests demonstrate low sensitivity and high specificity. These results indicate that caution is required before relying on its diagnostic value. Additionally, the need for improving the methodology of diagnostic test accuracy studies is evident.


Assuntos
Autoanticorpos/sangue , Autoantígenos/imunologia , Doença de Crohn/diagnóstico , Glicoproteínas de Membrana/imunologia , Autoanticorpos/imunologia , Biomarcadores/sangue , Doença de Crohn/sangue , Doença de Crohn/imunologia , Humanos , Sensibilidade e Especificidade
11.
J Viral Hepat ; 27(1): 52-60, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31520461

RESUMO

The mitogen-activated protein kinase p38 (MAPK) is implicated in the induction of immune responses by regulating the differentiation of T lymphocytes and production of cytokines. Our aim was to investigate p38MAPK phosphorylation in different stages of the natural history of hepatitis B virus (HBV) infection. Peripheral blood mononuclear cells (PBMCs) were isolated by Ficoll-Hypaque density-based centrifugation from 10 patients with HBeAg-negative chronic hepatitis B [HBeAg(-) CHB;HBV-DNA>2000IU/mL], eight patients with HBeAg-negative chronic HBV infection [HBeAg(-) CI;undetectable HBV-DNA] and 8 healthy controls (HCs). p38MAPK phosphorylation was assessed by phospho-specific flow cytometry in PBMCs and cell subsets (CD3+,CD3-,CD56+,CD56-) after stimulation with cytokines (IL-12+IL-2 and IL-12+IL-18) or nonspecific stimuli [arsenite, phorbol 12-myristate 13-acetate (PMA) and ionomycin] at 0,30,60,120 and 240 minutes using p38 phospho-specific conjugated antibodies. ΙFN-γ was determined by ELISA in PBMCs culture supernatants after stimulation with rhIL-2, rhIL-12 and rhIL-18, with and without pre-treatment with the p38 MAPK inhibitor, SB203580. HBeAg(-) CI patients showed the highest expression of phosphor-p38 MAPK in total PBMCs and subpopulations compared to HBeAg(-) CHB and HCs. A striking impairment in p38 phosphorylation was noted in CD56+ cells and in especially in NK cells (CD3-CD56+). SB203580-induced inhibition of p38MAPK phosphorylation was associated with suppression of IFN-γ production in all groups. The universal lack of p38 MAPK activation in CD56+ and in particular in NK cells from HBeAg(-) CHB patients during viremia suggests a potential cell-dependent implication of this pathway in the natural history of HBV infection.


Assuntos
Antígenos E da Hepatite B/sangue , Hepatite B Crônica/imunologia , Imunidade Inata , Proteínas Quinases p38 Ativadas por Mitógeno/imunologia , Adulto , Idoso , Células Cultivadas , Citocinas/farmacologia , Feminino , Hepatite B Crônica/patologia , Humanos , Leucócitos Mononucleares/efeitos dos fármacos , Leucócitos Mononucleares/imunologia , Masculino , Pessoa de Meia-Idade , Fosforilação
12.
World J Clin Cases ; 7(21): 3394-3406, 2019 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-31750324

RESUMO

BACKGROUND: Secondary haemophagocytic lymphohistiocytosis (sHLH) is a rare life-threatening condition mainly associated with underlying infections, malignancies, and autoimmune or immune-mediated diseases. AIM: To analyse all sHLH cases that were diagnosed and managed under real-world circumstances in our department focusing on the treatment schedule and the outcome. METHODS: Prospectively collected data from all adult patients fulfilling the criteria of sHLH who diagnosed and managed from January 1, 2010 to June 1, 2018, in our department of the tertiary care university hospital of Larissa, Greece, were analysed retrospectively (n = 80; 52% male; median age: 55 years). The electronic records and/or written charts of the patients were reviewed for the demographic characteristics, clinical manifestations, underlying causes of sHLH, laboratory parameters, treatment schedule and 30-d-mortality rate. Most of patients had received after consent intravenous γ-immunoglobulin (IVIG) for 5 d (total dose 2 g/kg) in combination with intravenous steroid pulses followed by gradual tapering of prednisolone. RESULTS: Seventy-five patients (94%) reported fever > 38.5 °C, 47 (59%) had liver or spleen enlargement and 76 (95%) had ferritin > 500 ng/mL including 20 (25%) having considerably high levels (> 10000 ng/mL). Anaemia and thrombocytopenia occurred in 72% and leucopoenia in 47% of them. Underlying infections were diagnosed in 59 patients (74%) as follows: leishmaniasis alone in 15/80 (18.9%), leishmaniasis concurrently with Coxiella Burnetti or non-Hodgkin lymphoma in 2/80 (2.5%), bacterial infections in 14/80 (17.5%) including one case with concurrent non-Hodgkin lymphoma, viral infections in 13/80 (16.3%), fungal infections in 2/80 (2.5%), infections by mycobacteria in 1/80 (1.3%) and unidentified pathogens in 12/80 (15%). Seventy-two patients (90%) had received combination treatment with IVIG and intravenous steroids. Overall, sHLH resolved in 76% of patients, 15% died within the first month but 82.5% of patients were still alive 6 mo after diagnosis. Univariate analysis showed older age, anaemia, thrombocytopenia, low fibrinogen, disseminated intravascular coagulation (DIC), and delay of diagnosis as factors that negatively affected remission. However, multivariate analysis showed low platelets and DIC as the only independent predictors of adverse outcome. CONCLUSION: sHLH still carries a remarkable morbidity and mortality. Underlying infections were the major cause and therefore, they should be thoroughly investigated in patients with sHLH. Early recognition and combination treatment with IVIG and corticosteroids seem an efficient treatment option with successful outcome in this life-threatening condition.

13.
Clin Res Hepatol Gastroenterol ; 43(3): e25-e32, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30594597

RESUMO

BACKGROUND: Development of autoimmune hepatitis (AIH) has been sporadically reported in patients with multiple sclerosis (MS) either concurrently or after treatment with immunomodulatory drugs, including interferon-beta (IFN-ß) and steroids. AIM: To report a large cohort of 14 patients with MS diagnosed with AIH during an assessment of deranged liver function tests (LFTs). PATIENTS AND METHODS: From 2005 to 2017, we prospectively identified 14 (13 women) patients with MS who suffered also from AIH after investigation in our department for the presence of deranged LFTs. Age at diagnosis of MS was 36.7 ± 9.3 years while at diagnosis of AIH 43.1 ± 12 years. RESULTS: AIH diagnosis was based on elevation of aminotransferases in all patients [alanine aminotransferase: 520 IU/L (range: 115-1219)], elevation of IgG in 6, compatible autoantibody profile in all, including 5 patients with liver-specific autoantibodies and typical or compatible histological features in 11 patients. 5 patients were under treatment with IFN-ß plus methylprednisolone pulses, 3 with IFN-ß plus oral steroids, 1 with IFN-ß, 4 with methylprednisolone pulses whereas 1 patient was free of treatment. The median time from IFN-ß initiation to the development of hepatitis was 12 months (range:1-120). Treatment for AIH was initiated in 13 patients with prednisolone (0.5-1 mg/kg/day) plus mycophenolate myfetil (2 g/day) in 10 and prednisolone plus azathioprine in 3 with complete and partial response in 11 and 2 patients, respectively. CONCLUSIONS: The differential diagnosis of hepatitis in MS patients should include AIH and in particular when immunomodulatory treatment has been preceded. Autoantibody testing and liver histology play fundamental role in establishing a prompt diagnosis of AIH in these patients. Treatment of AIH in patients with MS seems safe and efficient as complete or partial response was recorded in all of our patients.


Assuntos
Hepatite Autoimune/diagnóstico , Esclerose Múltipla/complicações , Adulto , Autoanticorpos/sangue , Azatioprina/uso terapêutico , Feminino , Glucocorticoides/uso terapêutico , Hepatite Autoimune/tratamento farmacológico , Humanos , Fatores Imunológicos/uso terapêutico , Imunossupressores/uso terapêutico , Interferon beta/uso terapêutico , Testes de Função Hepática , Masculino , Metilprednisolona/uso terapêutico , Ácido Micofenólico/uso terapêutico , Prednisolona/uso terapêutico
14.
BMJ Case Rep ; 11(1)2018 Dec 09.
Artigo em Inglês | MEDLINE | ID: mdl-30567221

RESUMO

Rifampicin has been widely used due to its broad antibacterial spectrum. Acute haemolysis is a rarely encountered complication of rifampicin. A 58-year-old woman was admitted to our department because of high-grade fever with rigors, accompanied by abdominal and lumbar pain and laboratory evidence of acute haemolysis. She had been treated for brucellosis initially with doxycycline and streptomycin. Due to subsequent appearance of myositis, ciprofloxacin and rifampicin were added for treatment of localised brucellosis. After intravenous administration of rifampicin, the patient deteriorated significantly. After exclusion of other causes of haemolysis, autoimmune haemolytic anaemia related to rifampicin was established by strongly positive direct Coombs test. Drug withdrawal in conjunction with intravenous immune globulin and prednisolone resulted in resolution of haemolysis and no relapse in the ensuing 1-year period. Our case highlights the importance of recognising commonly administrative drugs as cause of haemolytic anaemia, that can often be life threatening.


Assuntos
Anemia Hemolítica Autoimune/induzido quimicamente , Antibacterianos/efeitos adversos , Brucelose/tratamento farmacológico , Imunoglobulinas Intravenosas/uso terapêutico , Prednisolona/uso terapêutico , Rifampina/efeitos adversos , Dor Abdominal/etiologia , Anemia Hemolítica Autoimune/tratamento farmacológico , Antibacterianos/administração & dosagem , Calafrios , Feminino , Febre , Humanos , Pessoa de Meia-Idade , Rifampina/administração & dosagem , Resultado do Tratamento
16.
Antivir Ther ; 23(8): 677-685, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30044765

RESUMO

BACKGROUND: The remission rates after stopping antivirals in hepatitis B e antigen (HBeAg)-negative chronic hepatitis B (CHB) vary among studies, while reliable predictors of relapse have not been identified. This prospective study assessed rates and predictors of relapse and retreatment in 57 non-cirrhotic hepatitis B surface antigen (HBsAg)-positive patients with HBeAg-negative CHB who discontinued effective ≥4-year entecavir or tenofovir disoproxil fumarate (TDF) therapy. METHODS: A total of 57 patients discontinued therapy after median virological remission of 5.3 years and remained under close follow-up. They were retreated with entecavir/TDF if they fulfilled predetermined criteria. RESULTS: During median follow-up of 18 months, no patient died, developed jaundice or liver decompensation. The cumulative relapse rates varied according to HBV DNA and alanine aminotransferase cutoffs; for HBV DNA >2,000 IU/ml, they were 56%, 70% and 72% at 3, 12 and 18 months after stopping entecavir/TDF. The cumulative probability of retreatment was 18% and 26% at 3 and 12 months being significantly affected only by pretreatment fibrosis severity (adjusted relative hazard: 3.43; P=0.015). Cumulative rates of HBsAg loss were 5%, 16% and 25% at 6, 12 and 18 months being higher in patients with lower HBsAg levels at treatment discontinuation. CONCLUSIONS: Our prospective study shows that effective ≥4-year entecavir/TDF therapy can be safely discontinued in non-cirrhotic HBeAg-negative CHB patients. The probability of relapse decreased after month 6. Despite common virological relapses, most patients, particularly those with mild-moderate pretreatment fibrosis, remain without retreatment, at least in the first 18 months, as a substantial proportion of them clear HBsAg and the majority eventually enters into an inactive carrier state.


Assuntos
Guanina/análogos & derivados , Antígenos de Superfície da Hepatite B/sangue , Antígenos E da Hepatite B/sangue , Vírus da Hepatite B , Hepatite B Crônica/sangue , Hepatite B Crônica/tratamento farmacológico , Tenofovir/uso terapêutico , Adulto , Idoso , Feminino , Seguimentos , Guanina/administração & dosagem , Guanina/uso terapêutico , Antígenos de Superfície da Hepatite B/imunologia , Antígenos E da Hepatite B/imunologia , Vírus da Hepatite B/imunologia , Hepatite B Crônica/imunologia , Hepatite B Crônica/virologia , Humanos , Testes de Função Hepática , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Recidiva , Retratamento , Tenofovir/administração & dosagem , Resultado do Tratamento , Carga Viral
17.
Sci Rep ; 7(1): 7929, 2017 08 11.
Artigo em Inglês | MEDLINE | ID: mdl-28801580

RESUMO

To assess whether Helicobacter pylori (Hp) antibody (ab) reactivity against individual Hp antigens is pathogenetically relevant to multiple sclerosis (MS), we systematically investigated prevalence and clinical significance of abs against 14 immunodominant and subdominant Hp antigens by ELISA and immunoblotting in 139 consecutive MS patients with relapsing-remitting (RRMS, n = 102) or secondary progressive (SPMS, n = 37). Sera from 39 patients with Parkinson's disease (PD), 21 with Alzheimer's disease (ALZ) and 68 healthy controls (HCs), were also tested. Anti-flagellin (18.3%) and anti-p41 (25.0%) abs in MS were less frequent than in HCs (39.4%, 48.5%, respectively). Abs against 5 of the 14 antigens were less frequent in RRMS than HCs, including p41, p54-flagellin, p29-UreA, p67-FSH, and p120-CagA. Anti-VacA abs were more frequent in SPMS than in HCs (42.1 vs 12.1%, p = 0.019). Anti-p54, anti-p29-UreA and anti-p26 correlated with extended disability status scale (EDSS) (p = 0.017, p = 0.005, p = 0.002, respectively). Anti-p26 and anti-p17 correlated with the number of relapses (p = 0.037 and p = 0.047, respectively). This is the first comprehensive analysis of ab reactivities against most Hp antigens in MS patients. Ab responses differ between MS and HCs and between RRMS and SPMS, being more prevalent in SPMS than RRMS, thus suggesting an association between anti-Hp and the former type of MS.


Assuntos
Anticorpos Antibacterianos/sangue , Antígenos de Bactérias/imunologia , Infecções por Helicobacter/patologia , Helicobacter pylori/imunologia , Esclerose Múltipla Crônica Progressiva/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Ensaio de Imunoadsorção Enzimática , Feminino , Infecções por Helicobacter/complicações , Humanos , Immunoblotting , Masculino , Pessoa de Meia-Idade , Esclerose Múltipla Crônica Progressiva/etiologia , Prevalência , Recidiva
18.
Eur J Intern Med ; 42: 81-88, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-28535947

RESUMO

BACKGROUND & AIMS: Primary biliary cholangitis (PBC) is a disease with rising prevalence and considerable geographical variation. To describe the prevalence, spatial and time distribution, baseline characteristics, response to treatment, outcome and the validity of GLOBE score in a large cohort of Greek PBC patients as an independent validation of this score has not been done so far. METHODS: The last 16years, 482 PBC patients (86.5% females) were evaluated and analysed retrospectively, using a prospectively collected database. Special attention was paid to the assessment of treatment response according to GLOBE score. RESULTS: Age at initial evaluation was 56.3±13.7years. Among 432 Thessaly residents, prevalence was 582/million (non-homogeneous distribution). Nineteen districts showed a prevalence >800/million. Symptomatic disease onset could be identified in 91 patients, with a significant peak during spring (P=0.03). At diagnosis, 43.6% were asymptomatic and 16.2% cirrhotic. Male sex (P=0.02), older age (P<0.001), alcohol consumption (P<0.01) and concomitant liver disease (P<0.001) were negative prognostic factors for cirrhosis. During a median [interquartile range, range] follow-up of 5.1 (7.8, 15.7) years, 62 patients died or underwent liver transplantation. Patients with GLOBE score>0.30 had significantly worse prognosis (P<0.001) with 5-, 10-, and 15-year survival rates of 84%, 50% and 42%. CONCLUSIONS: There is increased PBC prevalence in Thessaly with remarkable geographic clustering and seasonal variability. PBC is diagnosed at early stages although males had a more advanced disease. GLOBE score applies perfectly in Greek patients and this will likely help detecting patients that may benefit from new therapies.


Assuntos
Carcinoma Hepatocelular/epidemiologia , Colangite/complicações , Cirrose Hepática Biliar/epidemiologia , Neoplasias Hepáticas/epidemiologia , Adulto , Idoso , Consumo de Bebidas Alcoólicas/epidemiologia , Autoanticorpos/sangue , Colangite/terapia , Feminino , Grécia/epidemiologia , Humanos , Transplante de Fígado , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Estudos Retrospectivos , Fatores de Risco , Estações do Ano , Análise de Sobrevida , Resultado do Tratamento
19.
BMJ Case Rep ; 20172017 Apr 21.
Artigo em Inglês | MEDLINE | ID: mdl-28432171

RESUMO

Episodic angio-oedema with eosinophilia (EAE) or Gleich's syndrome is a rare condition characterised by recurrent episodes of oedema and eosinophilia, accompanied by urticaria, fever and weight gain. The presence of ascites has not been reported so far. We report a 21-year-old Caucasian woman who presented with marked ocular oedema and ascites. Laboratory evaluation revealed marked eosinophilia. During the last 3 months, three episodes of facial and neck oedema were reported, which resolved spontaneously over a period of 3-5 days. The diagnosis of EAE was established after exclusion of secondary causes (infections, allergic reactions, collagen diseases, neoplasms) and clonal disorders associated with marked eosinophilia. Low-dose steroids resulted in eosinophil decrease and complete resolution of symptoms, including ascites. This case highlights that ascites can be a very rare manifestation of EAE particularly if other more frequent causes of ascites have been excluded and the clinical and laboratory findings are supportive of EAE.


Assuntos
Angioedema/diagnóstico , Ascite/etiologia , Eosinofilia/diagnóstico , Angioedema/tratamento farmacológico , Eosinofilia/tratamento farmacológico , Feminino , Humanos , Esteroides/uso terapêutico , Resultado do Tratamento , Adulto Jovem
20.
J Immunol Res ; 2017: 2185083, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28299343

RESUMO

Background. Recent GWAS in primary biliary cholangitis (PBC) showed strong associations with SNPs located within interleukin-12 receptor (IL12R) beta-2 (IL12RB2) gene. Aims. We assessed whether genetic variation of IL12RB2 is associated with laboratory and clinical features of PBC. Methods. Genomic DNA was isolated from 306 patients with PBC and 258 age/gender-matched controls. PBC-specific anti-mitochondrial antibodies (AMA) were tested in all subjects by ELISA. Two SNPs, rs3790567 and rs6679356, of IL12RB2 were genotyped using the MGB-TaqMan SNP assay. Results. Despite comparable age at diagnosis of cirrhotic and noncirrhotic PBC patients, allele A of rs3790567 and allele C of rs6679356 were overrepresented in the former rather than the latter group (p = 0.0009 and p = 0.002, resp.). The risk of cirrhosis at presentation increased when allele A and allele C coexisted. AMA-M2 titres were significantly higher in AA homozygotes of rs3790567 compared to GG homozygotes (132 ± 54 versus 103 ± 62, p = 0.02) and in rs6679356 when C allele was present (p = 0.038). There were no other significant associations between IL12RB2 polymorphisms and laboratory or clinical features. Conclusion. In this first study analyzing phenotypic features of PBC carriers of the IL12RB2 polymorphisms, we found that carriers are more frequently cirrhotic at diagnosis and have significantly higher titres of AMA.


Assuntos
Autoanticorpos/sangue , Estudos de Associação Genética , Cirrose Hepática Biliar/genética , Mitocôndrias/imunologia , Polimorfismo de Nucleotídeo Único , Receptores de Interleucina-12/genética , Adulto , Alelos , DNA , Feminino , Predisposição Genética para Doença , Genótipo , Homozigoto , Humanos , Cirrose Hepática Biliar/diagnóstico , Cirrose Hepática Biliar/imunologia , Masculino , Pessoa de Meia-Idade , Fenótipo
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