نتایج جستجو برای: three conceptual continuous rainfallrunoff models hbv
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Hepatitis B virus (HBV) infection remains a major public health problem worldwide with more than 240 million individuals chronically infected. Current treatments can control HBV replication to a large extent, but cannot eliminate HBV infection. Cytokines have been shown to control HBV replication and contribute to HBV cure in different models. Cytokines play an important role in limiting acute ...
AIM To describe the characteristics of people diagnosed with acute and chronic hepatitis B virus (HBV) infection in British Columbia (BC). METHODS We used data from the BC Hepatitis Testers Cohort (BC-HTC), which includes all individuals tested for hepatitis C virus (HCV) or human immunodeficiency virus (HIV) or those diagnosed with HBV or active tuberculosis in BC since 1990. These data were...
Chronic hepatitis B (HBV) infection is a major cause of human suffering, and number mathematical models have examined the within-host dynamics disease. Most previous assumed that infected hepatocytes do not proliferate; however, effect HBV on hepatocyte proliferation controversial, with conflicting data showing both induction inhibition proliferation. With family ordinary differential equation ...
BACKGROUND Data on liver fibrosis evolution in HIV-HBV-coinfected patients treated with tenofovir disoproxil fumarate (TDF) are scarce. The effect of TDF on liver fibrosis in 148 HIV-HBV-coinfected patients was prospectively evaluated using Fibrometer∆ scores and liver biopsies in a subset of patients. METHODS The mean change from baseline (Δ) in Fibrometer score was modelled using a generali...
Aims Few studies have examined the effects of various models of aerobic training on electrocardiogram (ECG). The purpose of this study was to compare the effect of continuous and interval aerobic training on ECG of active young girls. Methods & Materials The research method was quasi-experimental and 30 active young girls were selected from among physical education students (age=17.0±0.4 yr) ...
BACKGROUND Neither HBV DNA nor HBsAg positivity at birth is an accurate marker for HBV infection of infants. No data is available for continuous changes of HBV markers in newborns to HBsAg(+) mothers. This prospective, multi-centers study aims at observing the dynamic changes of HBV markers and exploring an early diagnostic marker for mother-infant infection. METHODS One hundred forty-eight H...
This chapter provides a general conceptual background to the more specific discussions of GIS-based environmental modeling presented in this book. It addresses three main themes central to environmental modeling: spatial models, complex systems, and geocomputation. The discussion covers static and dynamic, discrete and continuous, and social and natural system models, and helps put in perspecti...
OLAP and Data Warehouse (DW) systems are decision support technologies allowing users to explore and analyze huge volume of data. Benefits of conceptual modeling of DW have been widely recognized in several works. In this position paper we address stream data (i.e. real real-time continuous ordered and sequence of items), and we define the requirements of conceptual models for DW integrating st...
OBJECTIVES Fluctuation profile has been observed in chronic hepatitis B patients who are untreated or interrupt therapy. A mathematical model and its parameters could be used to diagnose the assumption of superinfection of hepatocytes and to understand the causes for the spontaneous fluctuation pattern of HBV DNA loads in chronically infected patients. METHODS We propose a new conceptual mode...
BACKGROUND The overall prevalence of hepatitis B virus (HBV) infection in China is declining. The purpose of this study was to use a community-based epidemiological study to update the infection status of hepatitis B virus (HBV) in mountainous regions of China, and to evaluate the impact of the Expanded Program of Immunization (EPI) on HBV transmission. METHODS In total, 10,383 participants w...
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