Abnormal immune response to gliadin, genetic, and environmental factors play a role in the pathogenesis of celiac disease (CD). Non-responsiveness to hepatitis B virus (HBV) vaccination is related to genetic features. Certain human leukocyte antigen (HLA) genotypes are more prevalent among non-responders to HBV vaccination. There is also a strong relationship between CD and these HLA genotypes. This study investigates the relationship between CD and non-responsiveness to HBV vaccination, with an emphasis on genotypic co-incidence. No statistically significant difference was noted between the ages and gender of CD patients and control subjects. Baseline serum IgA, IgM, and IgG levels of all CD patients were normal. Responsiveness to HBV vaccination was observed in 17 (68%) CD patients and all (100%) control subjects (P = 0.006). In conclusion, CD should also be sought in unresponders to HBV vaccine who are not immunosuppressed.
Our aim was to evaluate effects of metformin, rosiglitazone, and diet with exercise in nonalcoholic fatty liver disease. Forty-seven patients (mean age, 44+/-10 years; 17 female) whose ALT levels had been high for at least 6 months and with hepatosteatosis detected by liver biopsy and/or USG were enrolled in this study. Of these, 12 were treated with 850 mg/day metformin (group 1), 11 with 4 mg/day rosiglitazone (group 2), and 24 with diet and exercise (group 3) for 1 year. ALT normalization at months 6 and 12 was accepted as treatment response. Liver biopsy was performed in all patients in groups 1 and 2 before treatment and 12 patients (4 in group 1, 8 in group 2) after treatment; but in group 3 it was performed only in patients who approved this procedure (12 patients). Body mass index did not change in groups 1 and 2, but it decreased significantly in group 3 (30+/-3 to 28+/-2 kg/m(2)) at month 12. Treatment response rate was 33.3, 54.5, and 54.2% in groups 1, 2, and 3, respectively, at month 6. This rate was 22.2, 37.5, and 41.2 in groups 1, 2, and 3, respectively, at month 12. Rate of steatosis and stage of fibrosis did not change after treatment. Diet with exercise seems to be superior to metformin and rosiglitazone. Decreasing treatment response at month 12 compared to month 6 may be due to fluctuations of ALT levels. Treatment response should be evaluated histologically.
Background and Aims: Non-alcoholic fatty liver disease has long been accepted as benign; however, recent evidence suggests that the disease may progress to cirrhosis and hepatocellular carcinoma, although the natural course of the disease is still unclear. This study was designed to comparatively evaluate electron microscopic features of nonalcoholic fatty liver (NAFL) and non-alcoholic steatohepatitis (NASH). Methods: Quantitative and semi-quantitative ultrastructural evaluations were performed on liver biopsies from 23 patients, 10 with NAFL and 13 with NASH. Results: No statistically significant difference was noted between NAFL and NASH patients in ultrastructural features of hepatocytes including megamitochondria, intramitochondrial crystalline inclusions, mitochondrial matrix granules, foamy cytoplasmic appearance, electron-lucent and glycogen-containing nuclear regions, lipofuscin granules, or an increased frequency of vesicles containing electron-dense material in peribiliary Golgi zone; however, the mitochondrial diameter was significantly higher in the NASH patients. Intercellular distance and microvilli between hepatocytes, collagen and electron-dense material accumulation in the space of Disse, electron-dense material accumulation and microvillus density in bile canaliculi did not differ significantly between the groups. Conclusions: Our data show that, although NAFL and NASH can be distinguished by their distinct light microscopic features, ultrastructural characteristics are similar, which suggests that NAFL may also have the potential to progress to fibrosis and cirrhosis like NASH.
Hepatic hydrothorax is a complication of cirrhosis that is uncommon and difficult to treat. Diuretic therapy, thoracentesis, transjugular intrahepatic portosystemic shunt and liver transplantation are the main therapeutic options. Here, we report on a 47-year-old man with decompensated liver cirrhosis related to hepatitis B and D virus infections and who had complications of hepatic hydrothorax and hepatorenal syndrome. In this case, the hepatic hydrothorax, which was refractory to thoracic tube drainage and octreotide treatment, could be controlled with 5 days of terlipressin therapy associated with albumin. Terlipressin administration resulted in both improvement in renal function and successful resolution of hepatic hydrothorax. Splanchnic vasoconstrictor agents that reduce splanchnic blood flow, increase both central volume and effective renal blood flow. Thus they improve renal function. In our case, terlipressin, known to be beneficial in hepatorenal syndrome, was also effective in the treatment of hepatic hydrothorax probably by similar mechanisms. This is the first case in the literature.
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