[PDF] Top 20 Epidemiological study of genotypes of hepatitis B virus in northerm Portugal

... analysis of binary outcomes was performed using multivariable logistic regression ...analysis of viral load (a continuous variable) was performed using multiple linear regression ana- lysis, to see which ... See full document

... HBV genotypes with lower ALT levels ob- served in genotype D patients compared with genotypes A and ...non-C genotypes, monitored ALT on only one occasion, thus the findings of these ... See full document

... predominantly in southern, eastern and central Africa (Kramvis & Kew ...isolates of genotype A have a longer natural history in Africa than the two other genotypes, D and E (Andernach et ... See full document

... specificity of 75 and 97.75%. Previous studies detecting anti-HCV antibodies in oral fluid resulted in a sensitivity of 72% and specificity 98% using Salivettes collection device with Ortho ... See full document

... type of hemophilia (A or B), severity of hemo- philia (classified as severe if factor VIII or IX blood levels were less than 1%, moderate if they were between 1 and 5% and mild if they were greater ... See full document

... cross-sectional study, 207 hepatitis B surface antigen (HBsAg)-negative kidney transplant recipients were evaluated based on demographic and epidemiological data and on the levels of ... See full document

... chronic hepatitis B were ...beginning of the antiviral treatment and stored at -70 ...time of infection estimated for patients with risk factors for blood transfusion and vertical ...The ... See full document

... tics of the patients are summarized in Table 1 ...years of age with a median age of 41 years. Of these patients, 124 ...female. Hepatitis B genotyping revealed that 135 ... See full document

... problem. In Portugal with a population of 10 millions of inhabitants, there are around 10% of alcoholics or excessive alcohol drinkers and 1% of chronically infected patients ... See full document

... present study showed higher prevalence rates for the overall HBV infection and HBsAg in hemodialysis patients in Central Brazil, when compared to rates found in local blood donors ...observed ... See full document

... System of Public Health Laboratories of the National Networks of Epidemiological and Environmental Health Surveillance Laboratories of the Brazilian Ministry of ...cases ... See full document

... conclusion, in this first molecular study of HBV in Alagoas, we could demonstrate that investigation of HBV genotypes is important to both broadening the information about its ... See full document

... A study about HBV variant distribution done in haemodialysis units in the cities of Rio de Janeiro and São Paulo demonstrated that genotypes A and D are prevalent in Rio de ... See full document

... effective in discriminating the major geno- types, despite some mistyping in the annota- tion of subtypes ...molecular epidemiological studies (36), but this would require re-ampli- fication ... See full document

... determination of alanine aminotransferase (ALT) levels as well as HCV RNA tests have been uti- lized in both the diagnosis and follow-up of patients with HCV ...role in monitoring the ... See full document

... C virus displays a high degree of genetic mutation, with considerable heterogeneity, motivating clinical and biomolecular ...effects of genotypes on the course of the disease, as well ... See full document

... sequence of HBV polymerase showed that two isolates had substitutions in residues associated with lamivudine ...detected in two isolates (043-N and 209-CW), while a third isolate (043-N) displayed a ... See full document

... Occult hepatitis B virus (HBV) infection has been reported among patients with hepatitis C virus (HCV) infection and hepatocellular carcinoma ...presence of occult HBV infection ... See full document

... coinfection in 25.8% of 525 LPs living in a highly endemic area in Japan for HTLV-1 whereas the seroprevalence of HTLV-1 in healthy controls was ...sanatoria in Japan had ... See full document

... available in the literature concerning the efficacy of standard hysteroscope disinfection procedures to prevent hepatitis B ...aim of the present study was to determine the risk ... See full document