نتایج جستجو برای: svr
تعداد نتایج: 3766 فیلتر نتایج به سال:
The combination of pegylated interferon (PEG-INF) and ribavirin is currently the best treatment for chronic hepatitis C, providing a sustained virological response (SVR) in 54%-63% of patients. In patients infected with hepatitis C virus (HCV) genotype 1, the SVR rate is 42%-52%. To evaluate the treatment efficacy of this drug combination, we conducted an open, prospective study of 58 consecuti...
The ν-Support Vector Regression (ν-SVR) is an effective regression learning algorithm, which has the advantage of using a parameter ν on controlling the number of support vectors and adjusting the width of the tube automatically. However, compared to ν-Support Vector Classification (ν-SVC) (Schölkopf et al., 2000), ν-SVR introduces an additional linear term into its objective function. Thus, di...
BACKGROUND/AIMS Peginterferon plus ribavirin remains a standard therapy for patients with chronic hepatitis C (CHC) in Korea. We investigated the efficacy and long-term outcome of peginterferon and ribavirin therapy in Korean patients with CHC, particularly in relation to the stage of liver fibrosis. METHODS The incidence of sustained virological response (SVR), hepatic decompensation, hepato...
BACKGROUND AND AIMS Patients infected with genotype 2b hepatitis C virus (HCV) generally can achieve favorable responses to pegylated-interferon plus ribavirin therapy (PEG-IFN/RBV). However, a proportion of patients show poorer responses and the correlation between viral sequence variation and treatment outcome remains unclear. METHODS The pretreatment complete open reading frame (ORF) seque...
background: a dinucleotide variant rs368234815 in interferon lambda 4 (ifnl4) gene was recently found to be associated with the hepatitis c virus (hcv) treatment response. this study aimed to assess the impact of ifnl4 rs368234815 polymorphism on treatment response to pegylated?ifn alpha (peg?ifn??) and ribavirin (rbv) in hemophilic patients with chronic hepatitis c (chc). materials and methods...
conclusions the rvr is the strongest factor of svr and infection with hcv genotype 2 is significantly associated with rvr. neither biochemical and/or metabolic factors seem to exert influence on rvr. objectives the main aim of this study was to assess the strength of rvr, as a predictive factor of antiviral treatment response. patients and methods using univariate and multivariate analysis, we ...
BACKGROUND Multiple variables influencing the sustained virologic response (SVR) in chronic hepatitis C have been evaluated. One of them is genetic polymorphism near the IL28B gene. OBJECTIVES The aim of this study was to evaluate the influence of IL28B genotypes on SVR rates in a group of patients with chronic hepatitis C from the western part of Romania. PATIENTS AND METHODS A retrospecti...
BACKGROUND/AIMS Few studies have investigated prognostic factors for the development of liver-related events (LREs) in patients with chronic hepatitis C (CHC) who achieve sustained virological response (SVR). METHODS We analyzed 190 patients with CHC who achieved SVR after treatment with pegylated interferon (peg-IFN) plus ribavirin. LREs were defined as any complications related to cirrhosis...
The study aim was to assess sympathetic vasomotor response (SVR) by using pulsed wave Doppler (PWD) ultrasound in patients with multiple system atrophy (MSA) and correlate with the tilt table study. We recruited 18 male patients and 10 healthy men as controls. The SVR of the radial artery was evaluated by PWD, using inspiratory cough as a provocative maneuver. The response to head-up tilt was s...
An alternative model using support vector regression (SVR) based on dynamically optimized search technique with k-fold cross-validation, was proposed to predict the thermal–hydraulic performance of compact heat exchangers (CHEs). 48 experimental data points from the author’s own study were used in the present work. The performance of SVR with different regularization parameter c and kernel para...
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