Consulta: creatorFacets:"Coelho,H.S.M."
Registros recuperados: 4
Data/hora: 14/06/2024 16:02:38

Demographic and anthropometrical analysis and genotype distribution of chronic hepatitis C patients treated in public and private reference centers in Brazil
Provedor de dados: 55
Autores: Focaccia,R.; Baraldo,D.C.M.; Ferraz,M.L.G.; Martinelli,A.L.C.; Carrilho,F.J.; Gonçales Jr.,F.L.; Pedroso,M.L.A.; Coelho,H.S.M.; Lacerda,M.A.; Brandão,C.E.; Mattos,A.A.; Lira,L.G.C.; Zamin Jr.,I.; Pinheiro,J.O.P.; Tovo,C.V.; Both,C.T.; Soares,J.A.S.; Dittrich,S.
Hepatitis C virus (HCV) infection is a serious public health problem, since 80% to 85% of HCV carriers develop a persistent infection that can progress into liver cirrhosis and hepatocarcinoma. Considering that the response of hepatitis C patients to combination therapy with interferon and ribavirin depends on HCV characteristics as well as on host features, we made a retrospective analysis of demographic and anthropometrical data and HCV genotype distribution of chronic hepatitis C patients treated in public and private reference centers in Brazil. The medical records of 4,996 patients were reviewed, 81% from public and 19% from private institutions. Patients' median age was 46 years, and there was a higher prevalence of male (62%) and white patients...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HCV; Chronic hepatitis C; Genotype; Body weight; Brazil.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702004000500003

The emergence of YMDD mutants precedes biochemical flare by 19 weeks in lamivudine-treated chronic hepatitis B patients: an opportunity for therapy reevaluation
Provedor de dados: 56
Autores: França,P.H.C.; Coelho,H.S.M.; Brandão,C.E.; Segadas,J.A.; Quintaes,R.F.; Carrilho,F.J.; Ono-Nita,S.; Mattos,A.A.; Tovo,C.; Gouvea,V.S.; Sablon,E.; Vanderborght,B.O.M.
Given the loss of therapeutic efficacy associated with the development of resistance to lamivudine (LMV) and the availability of new alternative treatments for chronic hepatitis B patients, early detection of viral genotypic resistance could allow the clinician to consider therapy modification before viral breakthrough and biochemical relapse occur. To this end, 28 LMV-treated patients (44 ± 12 years; 24 men), on their first therapy schedule, were monitored monthly at four Brazilian centers for the emergence of drug resistance using the reverse hybridization-based INNO-LiPA HBV DR assay and occasionally sequencing (two cases). Positive viral responses (HBV DNA clearance) after 6, 12, and 18 months of therapy were achieved by 57, 68, and 53% of patients,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis B; Antiviral therapy; Lamivudine; Drug resistance; YMDD variants; Hepatitis B virus.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007001200003

Geographic distribution of hepatitis C virus genotypes in Brazil
Provedor de dados: 56
Autores: Campiotto,S.; Pinho,J.R.R.; Carrilho,F.J.; Da Silva,L.C.; Souto,F.J.D.; Spinelli,V.; Pereira,L.M.M.B.; Coelho,H.S.M.; Silva,A.O.; Fonseca,J.C.; Rosa,H.; Lacet,C.M.C.; Bernardini,A.P.
Brazil is a country of continental dimension with a population of different ethnic backgrounds. Thus, a wide variation in the frequencies of hepatitis C virus (HCV) genotypes is expected to occur. To address this point, 1,688 sequential samples from chronic HCV patients were analyzed. HCV-RNA was amplified by the RT-PCR from blood samples collected from 1995 to 2000 at different laboratories located in different cities from all Brazilian States. Samples were collected in tubes containing a gel separator, centrifuged in the site of collection and sent by express mail in a refrigerated container to Laboratório Bioquímico Jardim Paulista, São Paulo, SP, Brazil. HCV- RNA was extracted from serum and submitted to RT and nested PCR using standard procedures....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatitis C; Hepatitis C virus; Genotypes; Brazil.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000100007

An ultrasound and histomorphological analysis of experimental liver cirrhosis in rats
Provedor de dados: 56
Autores: Dias,J.V.; Paredes,B.D.; Mesquita,L.F.Q.; Carvalho,A.B.; Kozlowski,E.O.; Lessa,A.S.; Takiya,C.M.; Resende,C.M.C.; Coelho,H.S.M.; Campos-de-Carvalho,A.C.; Rezende,G.F.M.; Goldenberg,R.C.S.
We investigated whether liver injury by dual exposure to ethanol and carbon tetrachloride (EtOH + CCl4) for 15 weeks would persist after hepatotoxic agents were removed (EtOH + CCl4/8wR). After 15 weeks of hepatic injury with ethanol (5.5%, m/v) and carbon tetrachloride (0.05, mL/kg, ip), 5 of 11 female Wistar rats were sacrificed. The other 6 rats were maintained for an additional 8 weeks without hepatotoxic agents. Ultrasonography showed increased liver echogenicity and dilation of portal vein caliber in both groups (EtOH + CCl4: 0.22 ± 0.01 cm, P &lt; 0.001; EtOH + CCl4/8wR: 0.21 ± 0.02 cm, P &lt; 0.01) vs control (0.16 ± 0.02 cm). Histopathology showed regenerative nodules in both experimental groups. Histomorphometry revealed increased fibrosis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rat; Cirrhosis; Collagen; Ultrasound; CCl4; Ethanol.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001100008