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1.
Diabet Med ; 35(3): 368-375, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29247558

RESUMO

AIMS: To evaluate the application of the recently proposed recommendations by the European Association for the Study of the Liver, European Association for the Study of Diabetes and European Association for the Study of Obesity for the diagnosis, treatment and follow-up of non-alcoholic fatty liver disease in people with Type 2 diabetes. METHODS: A total of 179 people with Type 2 diabetes were included in this study. Liver fat content (assessed using proton magnetic resonance spectroscopy), fatty liver index score, non-alcoholic fatty liver disease fibrosis score, and SteatoTest and FibroTest scores were determined. RESULTS: According to proton magnetic resonance spectroscopy, 68.7% of participants had steatosis (liver fat content >5.5%). The application of the guidelines using several combinations (fatty liver index + non-alcoholic fatty liver disease fibrosis scores, Steatotest + FibroTest scores, proton magnetic resonance spectroscopy + non-alcoholic fatty liver disease fibrosis score, proton magnetic resonance spectroscopy + FibroTest) resulted in a referral to a liver clinic for 33.5-84.9% people with Type 2 diabetes. CONCLUSIONS: The application of these new algorithms for the diagnosis, and follow-up of non-alcoholic fatty liver disease would lead to an excessive number of people with Type 2 diabetes being referred to a liver clinic. We suggest that new clinical and/or biological biomarkers of steatosis and fibrosis be specifically validated in people with Type 2 diabetes.


Assuntos
Diabetes Mellitus Tipo 2/complicações , Hepatopatia Gordurosa não Alcoólica/terapia , Idoso , Algoritmos , Biomarcadores/metabolismo , Feminino , Humanos , Cirrose Hepática/complicações , Cirrose Hepática/diagnóstico , Masculino , Pessoa de Meia-Idade , Hepatopatia Gordurosa não Alcoólica/complicações , Hepatopatia Gordurosa não Alcoólica/diagnóstico , Guias de Prática Clínica como Assunto , Espectroscopia de Prótons por Ressonância Magnética , Encaminhamento e Consulta , Estudos Retrospectivos , Procedimentos Desnecessários
2.
Diabet Med ; 32(12): 1648-51, 2015 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25981893

RESUMO

AIM: Non-alcoholic fatty liver disease (NAFLD) is commonly associated with Type 2 diabetes. Recently, it has been suggested that NAFLD is also frequently associated with Type 1 diabetes and diabetic complications. In this study, we set out to determine whether Type 1 diabetes was associated with liver fat content measured using magnetic resonance imaging. METHODS: One hundred and twenty-eight patients with Type 1 diabetes, 264 patients with Type 2 diabetes and 67 participants without diabetes were included in this study. Hepatic steatosis was defined as a liver fat content > 5.5%. RESULTS: People with Type 1 diabetes and controls were similar for age and BMI. Liver fat content was significantly higher in patients with Type 2 diabetes than in patients with Type 1 diabetes and controls. In the control group, nine people (13.4%) had steatosis compared with six (4.7%) patients with Type 1 diabetes (P = 0.04). Among patients with Type 2 diabetes group, 166 (62.8%) had steatosis. In multivariate analysis that included patients with Type 1 diabetes and participants without diabetes, steatosis was associated only with BMI, whereas age, sex, statin therapy and Type 1 diabetes were not. In patients with Type 1 diabetes, there was no correlation between liver fat content and estimated glomerular filtration rate or carotid intima media thickness. CONCLUSIONS: Our data showed that Type 1 diabetes was not associated with an increased prevalence of steatosis. Moreover, our study provided no specific arguments concerning a link between liver fat content and diabetic complications in patients with Type 1 diabetes.


Assuntos
Diabetes Mellitus Tipo 1/complicações , Hepatopatia Gordurosa não Alcoólica/complicações , Adulto , Fatores Etários , Idoso , Índice de Massa Corporal , Diabetes Mellitus Tipo 2/complicações , Feminino , França/epidemiologia , Humanos , Fígado/patologia , Imageamento por Ressonância Magnética , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Hepatopatia Gordurosa não Alcoólica/diagnóstico , Hepatopatia Gordurosa não Alcoólica/epidemiologia , Hepatopatia Gordurosa não Alcoólica/patologia , Obesidade/complicações , Sobrepeso/complicações , Prevalência , Estudos Prospectivos , Fatores de Risco
3.
J Clin Pharm Ther ; 40(1): 83-90, 2015 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25413186

RESUMO

WHAT IS KNOWN AND OBJECTIVE: Drug eluting beads (DEBs) theoretically improve the efficacy and safety of transarterial chemoembolization (TACE) in hepatocellular carcinoma (HCC). Nonetheless, their economic profile has not been assessed. Our retrospective before/after study aimed to compare efficacy, safety and economic profile of two strategies of TACE without (Period 1) or with the possibility of using DEBs (Period 2). METHODS: All HCC patients treated by TACE in our hospital between March 2006 and May 2013 were included. Economic analyses were performed from the French Public Health Insurance point of view according to the French Diagnosis-Related Group prospective payment system and from the analytic accountability. RESULTS AND DISCUSSION: One hundred and sixty-one patients were included. Median time to treatment failure and overall survival were 13.1 and 23.8 months in Period 1 vs. 14.1 and 30.2 months in Period 2 (P = 0.45 and P = 0.40). Mean hospital durations and tariffs were 14.9 ± 7.7 days and € 11 472 ± 5901 in Period 1 vs. 12.4 ± 8.4 days and € 7654 ± 4625 in Period 2 (P = 0.03 and P < 10(-4) ). WHAT IS NEW AND CONCLUSION: The possibility of using DEBs did not improve the prognosis in HCC patients treated by TACE. Nonetheless, it had a better medico-economic profile.


Assuntos
Antineoplásicos/administração & dosagem , Carcinoma Hepatocelular/terapia , Quimioembolização Terapêutica/economia , Quimioembolização Terapêutica/métodos , Portadores de Fármacos/administração & dosagem , Portadores de Fármacos/economia , Neoplasias Hepáticas/terapia , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/economia , Carcinoma Hepatocelular/economia , Carcinoma Hepatocelular/mortalidade , Análise Custo-Benefício/economia , Análise Custo-Benefício/métodos , Doxorrubicina/administração & dosagem , Custos de Medicamentos , Óleo Etiodado/administração & dosagem , Óleo Etiodado/economia , Feminino , Humanos , Idarubicina/administração & dosagem , Idarubicina/economia , Neoplasias Hepáticas/economia , Neoplasias Hepáticas/mortalidade , Masculino , Microesferas , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos , Taxa de Sobrevida , Resultado do Tratamento
4.
Aliment Pharmacol Ther ; 39(11): 1301-13, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24738629

RESUMO

BACKGROUND: A phase I dose-escalation trial of transarterial chemoembolisation (TACE) with idarubicin-loaded beads was performed in cirrhotic patients with hepatocellular carcinoma (HCC). AIM: To estimate the maximum-tolerated dose (MTD) and to assess safety, efficacy, pharmacokinetics and quality of life. METHODS: Patients received a single TACE session with injection of 2 mL drug-eluting beads (DEBs; DC Bead 300-500 µm) loaded with idarubicin. The idarubicin dose was escalated according to a modified continuous reassessment method. MTD was defined as the dose level closest to that causing dose-limiting toxicity (DLT) in 20% of patients. RESULTS: Twenty-one patients were enrolled, including nine patients at 5 mg, six patients at 10 mg, and six patients at 15 mg. One patient at each dose level experienced DLT (acute myocardial infarction, hyperbilirubinaemia and elevated aspartate aminotransferase (AST) at 5-, 10- and 15-mg, respectively). The calculated MTD of idarubicin was 10 mg. The most frequent grade ≥3 adverse events were pain, elevated AST, elevated γ-glutamyltranspeptidase and thrombocytopenia. At 2 months, the objective response rate was 52% (complete response, 28%, and partial response, 24%) by modified Response Evaluation Criteria in Solid Tumours. The median time to progression was 12.1 months (95% CI 7.4 months--not reached); the median overall survival was 24.5 months (95% CI 14.7 months--not reached). Pharmacokinetic analysis demonstrated the ability of DEBs to release idarubicin slowly. CONCLUSIONS: Using drug-eluting beads, the maximum-tolerated dose of idarubicin was 10 mg per TACE session. Encouraging responses and median time to progression were observed. Further clinical investigations are warranted (NCT01040559).


Assuntos
Carcinoma Hepatocelular/terapia , Quimioembolização Terapêutica/métodos , Idarubicina/administração & dosagem , Neoplasias Hepáticas/terapia , Idoso , Antibióticos Antineoplásicos/administração & dosagem , Antibióticos Antineoplásicos/efeitos adversos , Carcinoma Hepatocelular/patologia , Progressão da Doença , Relação Dose-Resposta a Droga , Feminino , Humanos , Idarubicina/efeitos adversos , Neoplasias Hepáticas/patologia , Masculino , Dose Máxima Tolerável , Pessoa de Meia-Idade , Qualidade de Vida , Taxa de Sobrevida , Resultado do Tratamento
5.
Diagn Interv Imaging ; 94(9): 879-84, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23725783

RESUMO

PURPOSE: To assess the interobserver reproducibility of the quantification of the visceral and subcutaneous fat by computed tomography from an umbilical slice and study the effect of the level of the slice (slice going through the navel versus a slice going through disc L3-L4). MATERIALS AND METHODS: Forty-four breast cancer patients who had a CT-scan were included in this study. This is a double blind (junior versus senior) retrospective study to determine the interobserver reproducibility. A junior observer studied the variation between two levels of slice by selecting an image going through L3-L4 and the navel. RESULTS: The measurement of the fat obtained from an umbilical slice seemed to be well correlated and consistent with that obtained from a slice with a disc reference (L3-L4). The interobserver reproducibility is good for the quantification of the umbilical fat (Spearman and Lin at 0.9921 and 0.985 [P<0.001] for the visceral fat). CONCLUSION: The interobserver reproducibility of the single slice CT-scan measurement going through the navel (easily detected) is excellent and may therefore be used in oncology as a predictive tool to measure a characteristic of the host and not the tumor.


Assuntos
Interpretação de Imagem Assistida por Computador/métodos , Gordura Intra-Abdominal/diagnóstico por imagem , Gordura Subcutânea Abdominal/diagnóstico por imagem , Tomografia Computadorizada por Raios X/métodos , Inibidores da Angiogênese/uso terapêutico , Neoplasias da Mama/diagnóstico por imagem , Neoplasias da Mama/tratamento farmacológico , Método Duplo-Cego , Feminino , Humanos , Variações Dependentes do Observador , Reprodutibilidade dos Testes , Estudos Retrospectivos , Software
6.
Analyst ; 138(14): 4006-14, 2013 Jul 21.
Artigo em Inglês | MEDLINE | ID: mdl-23608738

RESUMO

Hepatocellular carcinoma (HCC) is the third most common cause of cancer death worldwide. The development of novel diagnostic methods is needed to detect tumours at an early stage when patients are eligible for curative treatments. The purpose of this proof-of-concept study was to determine if micro-Raman spectroscopy applied to the sera of cirrhotic patients may be an alternative method for rapidly discriminating patients with and without HCC. Serum samples were collected from 2 groups of patients: cirrhotic patients with HCC (n = 37) and without HCC (n = 34). Two different approaches were used, dried serum drops and freeze-dried serum, and micro-Raman spectra were acquired in the point-mode with a 785 nm laser excitation in the spectral range of 600-1800 cm(-1). Spectra were quality-tested and pre-processed (smoothing, baseline subtraction, vector normalization). Using principal component analysis, the 2 classes, corresponding to cirrhotic patients with and without HCC, could not be differentiated. In contrast, the support vector machine method using the leave-one-out cross validation procedure was able to correctly classify the two groups of patients with an overall rate of accuracy of 84.5% to 90.2% for dried serum drops and 86% to 91.5% for freeze-dried serum. These results are promising and support the concept that serum micro-Raman spectroscopy may become a useful diagnostic tool to detect biomarkers in the field of cancer, as described here for distinguishing between cirrhotic patients with and without HCC.


Assuntos
Biomarcadores Tumorais/sangue , Carcinoma Hepatocelular/diagnóstico , Cirrose Hepática/diagnóstico , Neoplasias Hepáticas/diagnóstico , Análise Espectral Raman/métodos , Idoso , Carcinoma Hepatocelular/sangue , Carcinoma Hepatocelular/etiologia , Estudos de Casos e Controles , Feminino , Humanos , Cirrose Hepática/sangue , Cirrose Hepática/complicações , Neoplasias Hepáticas/sangue , Neoplasias Hepáticas/etiologia , Masculino , Pessoa de Meia-Idade , Análise de Componente Principal , Sensibilidade e Especificidade , Máquina de Vetores de Suporte
7.
Diagn Interv Imaging ; 94(1): 53-9, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23146417

RESUMO

PURPOSE: The aim of our study was to assess the results and cost of a treatment strategy involving transarterial chemoembolisation with drug eluting beads (DEB-TACE) in patients with unresectable non-metastatic hepatocellular carcinoma (HCC). PATIENTS AND METHODS: This study included all patients treated with DEB-TACE in our hospital between January 2009 and December 2010. All patients received DEB-TACE on demand and were evaluated after each session. RESULTS: Twenty-one patients received an average of 1.3 sessions. The median time to treatment discontinuation and median progression-free survival was 181 days and 295 days, respectively. Toxicity caused treatment discontinuation in three patients (14%). For the hospital, the average direct cost of treatment was €6,033 according to the analytical accounting system vs. €4,558 according to the official tariffs from the new French Diagnosis-Related Group prospective payment system (P=0.002). CONCLUSION: In the treatment of HCC, on-demand DEB-TACE stabilises the disease in some patients but has not yet been thoroughly evaluated.


Assuntos
Carcinoma Hepatocelular/tratamento farmacológico , Carcinoma Hepatocelular/economia , Quimioembolização Terapêutica/economia , Sistemas de Liberação de Medicamentos/economia , Neoplasias Hepáticas/tratamento farmacológico , Neoplasias Hepáticas/economia , Idoso , Idoso de 80 Anos ou mais , Custos e Análise de Custo , Feminino , Humanos , Masculino , Microesferas , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento
8.
Clin Nutr ; 31(4): 520-5, 2012 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-22209679

RESUMO

BACKGROUND & AIMS: Non-alcoholic fatty liver disease (NAFLD) is commonly associated with obesity, metabolic syndrome and type 2 diabetes. Although dietary fat contributes substantially to the accumulation of liver fat, the role of individual fatty acids in this accumulation is unclear. OBJECTIVE: In this study, we set out to determine whether liver fat content (LFC), was associated with red blood cell fatty acid (RBC-FA) composition in people with type 2 diabetes. DESIGN, SETTINGS, AND PARTICIPANTS: One hundred and sixty-two type 2 diabetic patients were included in this study. LFC was measured using (1)H-MR Spectroscopy. RBC-FA composition was measured by gas chromatography. RESULTS: One hundred and nine (67.2%) patients had steatosis. Patients with steatosis had a higher BMI (p = 0.0005), and higher plasma triglyceride levels (p = 0.009) than did patients without steatosis. We report a significant association between palmitic acid (16:0), palmitoleic acid (16:1n-7) concentrations and ratio of monounsaturated to saturated fatty acid (palmitoleic acid to palmitic acid) and higher liver fat content. Total polyunsaturated fatty acid (PUFA), homo-gamma-linolenic acid (20:3n-6), docosahexaenoic acid (22:6n-3), and arachidonic acid (20:4 n-6) were associated with lower LFC. CONCLUSIONS: Our data showed that an increased erythrocytes long-chain n-3 and n-6 fatty acids was associated with a lower prevalence of steatosis in patients with type 2 diabetes. These results suggest that n-3 and n-6 fatty acids supplementation could be a promising treatment for NAFLD in patients with type 2 diabetes.


Assuntos
Diabetes Mellitus Tipo 2/fisiopatologia , Suplementos Nutricionais , Eritrócitos/química , Ácidos Graxos Ômega-3/sangue , Ácidos Graxos Ômega-6/sangue , Fígado Gorduroso/fisiopatologia , Idoso , Estudos Transversais , Diabetes Mellitus Tipo 2/complicações , Gorduras na Dieta/administração & dosagem , Ácidos Graxos Monoinsaturados/análise , Ácidos Graxos Monoinsaturados/metabolismo , Ácidos Graxos Ômega-3/administração & dosagem , Ácidos Graxos Ômega-6/administração & dosagem , Fígado Gorduroso/complicações , Fígado Gorduroso/prevenção & controle , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Hepatopatia Gordurosa não Alcoólica , Ácido Palmítico/análise , Ácido Palmítico/metabolismo , Prevalência , Estudos Prospectivos , Triglicerídeos/sangue
9.
J Viral Hepat ; 18(7): 493-505, 2011 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-21692956

RESUMO

This population-based study aimed to assess the determinants of the outcome of chronic hepatitis C with analysis of the impact of antiviral therapy with or without sustained virological response (SVR) on cirrhosis decompensation, hepatocellular carcinoma, liver-related and non-liver-related mortality. A total of 1159 HCV-positive patients newly detected between 1994 and 2001 were included. For each outcome, the prognostic effect of patients' baseline characteristics was estimated by time-dependent Cox models using age as the time-scale and adjusting for treatment received during follow-up. The impact of antiviral therapy was assessed by using a propensity score in a sample including 184 patients treated in the first 24 months following diagnosis who were matched to 184 untreated patients. At the end of a 59-month median follow-up, 100 cases of compensated disease, 58 liver cancer and 163 deaths (55 liver related) were recorded. The 5-year rates of decompensated cirrhosis, hepatocellular carcinoma, liver-related and non-liver-related death were 4.4%, 2.7%, 5.0% and 8.9%, respectively. Multivariate analyses identified two variables with pejorative influence: alcohol consumption (RR = 4.29 for CD; RR = 5.76 for HCC; RR = 6.69 for liver-related death; P < 0.0001); HCV diagnosis unrelated to systematic screening (RR = 2.25 for CD; RR = 3.05 for HCC; RR = 4.31 for liver-related death, P < 0.03). In the matched subset, no significant benefit of antiviral therapy was observed. Nevertheless, among the 144 patients who achieved SVR, no death was observed. This population-based study showed substantial rates of decompensated cirrhosis, hepatocellular carcinoma and non-liver-related mortality. Alcohol consumption and absence of systematic screening were significant determinants of poor outcome, whereas treatment did not have significant influence.


Assuntos
Antivirais/uso terapêutico , Hepatite C Crônica/tratamento farmacológico , Hepatite C Crônica/mortalidade , Adolescente , Adulto , Idoso , Consumo de Bebidas Alcoólicas , Carcinoma Hepatocelular/tratamento farmacológico , Carcinoma Hepatocelular/patologia , Carcinoma Hepatocelular/virologia , Estudos de Coortes , Feminino , Hepatite C Crônica/patologia , Humanos , Interferon-alfa/uso terapêutico , Cirrose Hepática/tratamento farmacológico , Cirrose Hepática/patologia , Cirrose Hepática/virologia , Neoplasias Hepáticas/tratamento farmacológico , Neoplasias Hepáticas/patologia , Neoplasias Hepáticas/virologia , Masculino , Pessoa de Meia-Idade , Polietilenoglicóis/uso terapêutico , Proteínas Recombinantes/uso terapêutico , Ribavirina/uso terapêutico , Resultado do Tratamento
10.
Gastroenterol Clin Biol ; 34(10): 529-33, 2010 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-20864282

RESUMO

The frequency of obesity has been increasing worldwide for 20 years. Many epidemiological studies support a correlation between obesity and increased risk of cancer, particularly digestive cancers in both genders, and gynaecological cancer in women. Currently, about 5% of cancers could be directly related to overweight. Carcinogenesis mechanisms induced by obesity involve insulin resistance, adipokine and angiogenic factor secretions, and inflammation. Experimental and clinical evidence suggest that insulin resistance plays a major role in carcinogenesis. Insulin and non-protein banded IGF-1, whose levels are increased in type 2 diabetes, stimulate cellular growth and inhibit apoptosis. Abnormalities in adipokine secretion by the central adipose tissue play a role at different stages of obesity-induced carcinogenesis. Excess of leptin and PAI-1, associated with a decrease in adiponectin secretion in obese people, contributes to carcinogenesis through cellular growth and angiogenesis stimulation. Remodelling of the extracellular matrix due to metalloproteinase stimulation by PAI-1 is also able to promote cell migration. Obesity not only increases cancer frequency, but is also liable to modify the prognosis and the response to antiangiogenic therapy of digestive cancers. This data suggests the need for clinicians to take into account overweight in cancer risk evaluation and to consider obesity and metabolic disorders as confounding factors in designing therapeutic studies.


Assuntos
Complicações do Diabetes/etiologia , Diabetes Mellitus Tipo 2/complicações , Neoplasias Gastrointestinais/etiologia , Resistência à Insulina , Obesidade/complicações , Adipocinas/sangue , Tecido Adiposo/metabolismo , Fatores Biológicos/sangue , Índice de Massa Corporal , Complicações do Diabetes/sangue , Diabetes Mellitus Tipo 2/sangue , Diabetes Mellitus Tipo 2/epidemiologia , Medicina Baseada em Evidências , França/epidemiologia , Neoplasias Gastrointestinais/sangue , Neoplasias Gastrointestinais/epidemiologia , Saúde Global , Humanos , Incidência , Insulina/metabolismo , Fator de Crescimento Insulin-Like I/metabolismo , Leptina/sangue , Metaloproteases/sangue , Obesidade/sangue , Obesidade/epidemiologia , Inibidor 1 de Ativador de Plasminogênio/sangue , Prevalência , Prognóstico , Medição de Risco , Fatores de Risco , Inibidores de Serina Proteinase/sangue
11.
J Viral Hepat ; 17(6): 435-43, 2010 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-19780936

RESUMO

To assess the impact of the French national hepatitis C prevention programme initiated in 1999, we analysed trends in hepatitis C virus (HCV) prevalence, testing and characteristics of HCV-infected patient at first referral from 1994 to 2006. We used four data sources: Two national population-based sero-prevalence surveys carried out in 1994 and 2004; two surveillance networks, one based on public and private laboratories throughout France and the other on hepatology reference centres, which aim to monitor, respectively, trends of anti-HCV screening and of epidemiological-clinical characteristics of HCV patients at first referral. Between 1994 and 2004, the anti-HCV prevalence for adults aged 20-59 years decreased from 1.05 (95% confidence interval 0.75-1.34) to 0.71 (0.52-0.97). During the same period, those anti-HCV positive with detectable HCV RNA decreased from 81 to 57%, whereas, the proportion of anti-HCV positive persons aware of their status evolved from 24 to 56%. Anti-HCV screening activity increased by 45% from 2000 to 2005, but decreased in 2006 (-10%), while HCV positivity among those tested decreased from 4.3 to 2.9%. The proportion of cirrhosis at first referral remains around 10% between 2001 and 2006, with many patients with excessive alcohol consumption (34.7% among males) or viral co-infections (HIV seropositivity for 5.2% patients). Our analysis indicates that the national programme had a positive impact at the population level through improved prevention, screening and management. There is still a need to identify timely those at risk for earlier interventions, to assess co-morbidities better and for a multidisciplinary approach to HCV management.


Assuntos
Controle de Doenças Transmissíveis/métodos , Anticorpos Anti-Hepatite C/sangue , Hepatite C/epidemiologia , Hepatite C/prevenção & controle , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Alcoolismo/epidemiologia , Comorbidade , Feminino , França/epidemiologia , Infecções por HIV/epidemiologia , Hepatite C/complicações , Humanos , Cirrose Hepática/epidemiologia , Cirrose Hepática/virologia , Masculino , Pessoa de Meia-Idade , RNA Viral/sangue , Estudos Soroepidemiológicos , Adulto Jovem
12.
J Radiol ; 90(11 Pt 1): 1695-702, 2009 Nov.
Artigo em Francês | MEDLINE | ID: mdl-19953057

RESUMO

The purpose of this article is to present a fast and clinically usable technique for quantification of liver steatosis. This technique, based on a triple-echo gradient-echo sequence (in-phase, opposed-phase, in-phase), has recently been validated with excellent correlation and accuracy compared to proton MR spectroscopy. The theoretical principles are reviewed, with emphasis on the need to correct for the T2* decay inherent to the use of in-phase and opposed-phase sequences. T1 decay also is negligible due to the use of a low flip angle (20 degrees). The advantage of this technique is that it can generate a parametric representation (map) of liver steatosis, after fast and simple post-processing, based on measurements from standard images (addition, subtraction, division, multiplication) available on the MR scanning console. This parametric method allows quantification of steatosis in focal lesions. The main limitation of the technique relates to its ambiguity with lipid content over 50%, a phenomenon that does not occur with liver steatosis.


Assuntos
Fígado Gorduroso/patologia , Imageamento Tridimensional , Imageamento por Ressonância Magnética , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Tempo
14.
Diabet Med ; 25(10): 1237-40, 2008 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-19046205

RESUMO

AIM: A link between chronic hepatitis C virus (HCV) infection, Type 2 diabetes mellitus and insulin resistance has been suggested by several studies. However, HCV infection appears to be associated with insulin resistance but not with the metabolic syndrome. The aim of this study was to determine whether chronic HCV infection had an impact on the clinical characteristics of Type 2 diabetes. METHODS: We studied retrospectively a group of patients with diabetes mellitus associated with HCV infection (HCV-DM) and compared them with patients with conventional Type 2 diabetes (DM). RESULTS: The HCV-DM patients had a lower body mass index (P = 0.001) and systolic blood pressure (P = 0.04) compared with patients with DM diabetes. Ten patients (27.0%) in the HCV-DM group and 35 (47.3%) in the DM group had microalbuminuria (P = 0.04). DM patients had significantly higher serum creatinine levels than HCV-DM patients [87 (72-108) vs. 77 (64-86) micromol/l, P = 0.02; median (interquartile range)] but creatinine clearance (Cockroft Gault calculation) was similar. One HCV-DM patient (2.7%) and 44 DM patients (59.4%) were treated with hypolipidaemic therapy (P = 0.0001). Even although nearly two-thirds of the overall DM group were prescribed cholesterol-lowering drugs, DM patients had significantly higher total cholesterol, high-density lipoprotein cholesterol and triglyceride levels than HCV-DM patients. CONCLUSION: Our study provides further evidence that HCV-DM patients have specific clinical characteristics in comparison with classical DM patients. These data suggest an association between HCV virus infection and the development of insulin resistance or diabetes mellitus without the typical features of the metabolic syndrome.


Assuntos
Diabetes Mellitus Tipo 2/virologia , Hepatite C Crônica/complicações , Hepatite C , Idoso , Distribuição de Qui-Quadrado , Colesterol/sangue , Creatinina/sangue , Diabetes Mellitus Tipo 2/metabolismo , Feminino , Hepatite C Crônica/metabolismo , Humanos , Resistência à Insulina , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Estudos Retrospectivos , Estatísticas não Paramétricas
15.
Gastroenterol Clin Biol ; 32(1 Pt. 1): 98-101, 2008 Jan.
Artigo em Francês | MEDLINE | ID: mdl-18341981

RESUMO

The diagnosis of an abdominal mass using imaging techniques is difficult for clinicians and radiologists. We report a case of an atypical peripancreatic mass, mimicking a carcinoma on abdominal computed tomography and which was only diagnosed after an echoendoscopic biopsy of the mass was performed. It is difficult to differentiate abdominal tuberculosis from a neoplasm, especially if there is no pulmonary tuberculosis. Usually, the diagnosis of abdominal tuberculosis is only confirmed histologically, after surgical resection of the mass. Echoendoscopic biopsy confirmed the infectious nature of the mass and prevented complicated and difficult surgery.


Assuntos
Biópsia/métodos , Endossonografia/métodos , Pancreatopatias/diagnóstico por imagem , Tuberculoma/diagnóstico por imagem , Tuberculose dos Linfonodos/diagnóstico por imagem , Ultrassonografia de Intervenção/métodos , Adulto , Carcinoma/diagnóstico , Diagnóstico Diferencial , Humanos , Masculino , Pancreatopatias/microbiologia , Neoplasias Pancreáticas/diagnóstico , Radiografia Abdominal , Tomografia Computadorizada por Raios X
16.
Aliment Pharmacol Ther ; 21(8): 1007-15, 2005 Apr 15.
Artigo em Inglês | MEDLINE | ID: mdl-15813837

RESUMO

BACKGROUND: In order for hepatitis C patients to receive antiviral treatment, they must reach medical care. AIM: To assess the proportion of patients reaching medical care after hepatitis C diagnosis in a general population (1 006 171 inhabitants) in France. METHODS: Between 1994 and 1999, 1508 cases were diagnosed, of which 1251 were eligible for the study. RESULTS: Two-hundred and two patients did not have any medical care; among them, 55.4% had normal alanine transferase, 58.4% had risk factors related to lifestyle and 22.8% were alcoholics. Amongst the 1049 other patients, 41.6% had a liver biopsy, 25.0% were treated. Treatment was more often carried out in males than in females (OR: 1.59; P = 0.001), and in patients under 65 than in older patients (OR: 2.22; P < 0.008). Among non-treatment reasons, alcoholism (P = 0.001), drug-addiction (P = 0.04) and escaping monitoring (P = 0.04) were more frequent in males than in females, whereas normal alanine transferase was more frequent in females than in males (P = 0.004). Amongst 278 patients with a Metavir score >A1F1, 71 (25.5%) did not undergo treatment. CONCLUSION: In a general population, one patient in six did not receive on-going health care; a quarter of patients with a Metavir score >A1F1 did not receive any treatment. These results showed insufficient clinical management, which could compromise the effectiveness of treatment in general population.


Assuntos
Antivirais/uso terapêutico , Hepatite C Crônica/tratamento farmacológico , Adolescente , Adulto , Idoso , Atenção à Saúde/normas , Diagnóstico Precoce , Feminino , França/epidemiologia , Hepatite C Crônica/diagnóstico , Hepatite C Crônica/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Fatores de Risco , Saúde da População Rural , Índice de Gravidade de Doença , Fatores de Tempo , Saúde da População Urbana
17.
Virologie (Montrouge) ; 9(1): 49-54, 2005 Feb 01.
Artigo em Francês | MEDLINE | ID: mdl-34479439

RESUMO

The risk of cirrhosis in HCV and HBV-related liver diseases is higher in males than in females ; it increases exponentially after the age of 40 for the two genders. Alcohol consumption exceeding 50 gr per day multiplies cirrhosis risk by 6.0 in HBV patients and by 2.4 in HCV patients. B and C virus liver-related diseases are worsened by HIV co-infection particularly in patients with CD4 count lower than 200 per ml. Steatosis due to high body mass index (BMI) and/or metabolic syndrome is a newly described risk factor for cirrhosis in HBV and HCV patients and for hepatocellular carcinoma in HCV patients. Steatosis may become in a near future one of the major predicting factors of severity for chronic liver disease. The knowledge of worsening factors in patients suffering from chronic B and C viral hepatitis must lead clinicians to consider specific therapeutics against these factors and antiviral treatment even in case of borderline indication.

19.
J Hepatol ; 35(2): 279-83, 2001 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-11580152

RESUMO

BACKGROUND/AIMS: Our aims were to investigate the host and viral specific factors associated with diabetes mellitus (DM) and insulin resistance in chronic hepatitis C patients. METHODS: One hundred and three hepatitis C virus (HCV)-infected were studied to assess the effects of HCV genotype, hepatic iron content, steatosis, hepatic fibrosis, body mass index (BMI) and family history of DM on the occurrence of DM. Insulin resistance (HOMA IR) was studied in 81 non-diabetic patients to determine the mechanism associated with insulin resistance in this subgroup. RESULTS: Sixteen of the 123 were diabetic (13.0%). The variables predictive of DM were METAVIR fibrosis score 4 (OR, 13.16; P = 0.012), family history of diabetes (OR, 16.2; P = 0.0023), BMI (OR, 1.37; P = 0.017) and age (OR, 1.09; P = 0.002). In non-diabetic HCV-infected patients, HOMA-IR of METAVIR fibrosis score 0 and 1 patients were significantly different than score 2 and score 3/4 patients. CONCLUSIONS: Our findings indicate that older age, obesity, severe liver fibrosis and family history of diabetes help identify those HCV patients who might have potential risk factors for development of DM. We observed that insulin resistance in non-diabetic HCV-infected patients was related to grading of liver fibrosis, and occurs already at an early stage in the course of HCV infection.


Assuntos
Diabetes Mellitus/etiologia , Hepatite Crônica/complicações , Resistência à Insulina/fisiologia , Adulto , Idoso , Índice de Massa Corporal , Diabetes Mellitus/genética , Diabetes Mellitus/fisiopatologia , Feminino , Genótipo , Hepacivirus/genética , Hepatite Crônica/genética , Hepatite Crônica/patologia , Hepatite Crônica/fisiopatologia , Humanos , Ferro/metabolismo , Ilhotas Pancreáticas/fisiopatologia , Cirrose Hepática/etiologia , Cirrose Hepática/patologia , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Fatores de Risco
20.
J Acquir Immune Defic Syndr ; 27(3): 245-50, 2001 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-11464143

RESUMO

Insulin resistance (IR) in the context of highly active antiretroviral therapy (HAART) is becoming more common in HIV-infected patients. Patients with chronic hepatitis C virus (HCV) infection have an increased risk of IR and type 2 diabetes mellitus. A cross-sectional study was performed to investigate whether chronic HCV infection constitutes a risk factor for IR in HIV-HCV-coinfected patients undergoing HAART. Inclusion criteria were positive HCV viremia and a sustained increase of alanine aminotransferase of at least twice the normal value. A total of 29 HIV-HCV patients, 76 HIV patients, and 121 HCV controls were tested for IR and body mass index (BMI). IR was measured using the homeostasis model assessment. In HIV-HCV and HIV patients, fat redistribution and lipid profile were assessed. There was no significant difference in age, CD4 cell count, HIV viral load, or duration of HAART between the HIV-HCV and HIV groups. HIV-HCV patients and HCV controls had a significant increase in IR when compared with HIV patients (0.25 +/- 0.28 and 0.21 +/- 0.34 versus 0.04 +/- 0.37; p =.01 and p =.003, respectively). Lipoatrophy was observed more frequently in HIV-HCV patients in comparison with HIV patients (41% versus 14%; p =.003). In HIV-HCV patients, total cholesterol and triglyceride levels were significantly lower than in HIV patients. In multivariate analysis, IR, BMI, triglyceride levels, and peripheral fat wasting were the independent variables associated with HCV infection. Our findings suggest that chronic HCV infection is a significant factor associated with the development of metabolic abnormalities and with modifications in body composition in HIV patients receiving antiretroviral treatment.


Assuntos
Terapia Antirretroviral de Alta Atividade/efeitos adversos , Infecções por HIV/complicações , Hepatite C Crônica/complicações , Resistência à Insulina , Lipodistrofia/complicações , Adulto , Alanina Transaminase/metabolismo , Composição Corporal , Índice de Massa Corporal , Colesterol/sangue , Estudos Transversais , Feminino , Infecções por HIV/tratamento farmacológico , Infecções por HIV/virologia , Hepatite C Crônica/virologia , Humanos , Lipodistrofia/etiologia , Masculino , Análise Multivariada , Fatores de Risco , Triglicerídeos/sangue
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