Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C
INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT),...
Ausführliche Beschreibung
Autor*in: |
Leila Maria Soares Tojal de Barros Lima [verfasserIn] João Roberto Maciel Martins [verfasserIn] Helena Bonclani Nader [verfasserIn] Celina Maria Costa Lacet [verfasserIn] Maria do Carmo Lins Vasconcelos Balwani [verfasserIn] Maria Aparecida da Silva Pinhal [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2008 |
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In: Jornal Brasileiro de Patologia e Medicina Laboratorial - Sociedade Brasileira de Patologia Clínica, 2004, 44(2008), 3, Seite 185-191 |
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Übergeordnetes Werk: |
volume:44 ; year:2008 ; number:3 ; pages:185-191 |
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Link aufrufen |
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DOI / URN: |
10.1590/S1676-24442008000300005 |
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Katalog-ID: |
DOAJ012993557 |
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245 | 1 | 0 | |a Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C |
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520 | |a INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. | ||
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10.1590/S1676-24442008000300005 doi (DE-627)DOAJ012993557 (DE-599)DOAJ6196e891d891414a9d908ebaacf5d93e DE-627 ger DE-627 rakwb eng RB1-214 Leila Maria Soares Tojal de Barros Lima verfasserin aut Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid Pathology João Roberto Maciel Martins verfasserin aut Helena Bonclani Nader verfasserin aut Celina Maria Costa Lacet verfasserin aut Maria do Carmo Lins Vasconcelos Balwani verfasserin aut Maria Aparecida da Silva Pinhal verfasserin aut In Jornal Brasileiro de Patologia e Medicina Laboratorial Sociedade Brasileira de Patologia Clínica, 2004 44(2008), 3, Seite 185-191 (DE-627)363752749 (DE-600)2105625-0 16784774 nnns volume:44 year:2008 number:3 pages:185-191 https://doi.org/10.1590/S1676-24442008000300005 kostenfrei https://doaj.org/article/6196e891d891414a9d908ebaacf5d93e kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442008000300005 kostenfrei https://doaj.org/toc/1676-2444 Journal toc kostenfrei https://doaj.org/toc/1678-4774 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 44 2008 3 185-191 |
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10.1590/S1676-24442008000300005 doi (DE-627)DOAJ012993557 (DE-599)DOAJ6196e891d891414a9d908ebaacf5d93e DE-627 ger DE-627 rakwb eng RB1-214 Leila Maria Soares Tojal de Barros Lima verfasserin aut Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid Pathology João Roberto Maciel Martins verfasserin aut Helena Bonclani Nader verfasserin aut Celina Maria Costa Lacet verfasserin aut Maria do Carmo Lins Vasconcelos Balwani verfasserin aut Maria Aparecida da Silva Pinhal verfasserin aut In Jornal Brasileiro de Patologia e Medicina Laboratorial Sociedade Brasileira de Patologia Clínica, 2004 44(2008), 3, Seite 185-191 (DE-627)363752749 (DE-600)2105625-0 16784774 nnns volume:44 year:2008 number:3 pages:185-191 https://doi.org/10.1590/S1676-24442008000300005 kostenfrei https://doaj.org/article/6196e891d891414a9d908ebaacf5d93e kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442008000300005 kostenfrei https://doaj.org/toc/1676-2444 Journal toc kostenfrei https://doaj.org/toc/1678-4774 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 44 2008 3 185-191 |
allfields_unstemmed |
10.1590/S1676-24442008000300005 doi (DE-627)DOAJ012993557 (DE-599)DOAJ6196e891d891414a9d908ebaacf5d93e DE-627 ger DE-627 rakwb eng RB1-214 Leila Maria Soares Tojal de Barros Lima verfasserin aut Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid Pathology João Roberto Maciel Martins verfasserin aut Helena Bonclani Nader verfasserin aut Celina Maria Costa Lacet verfasserin aut Maria do Carmo Lins Vasconcelos Balwani verfasserin aut Maria Aparecida da Silva Pinhal verfasserin aut In Jornal Brasileiro de Patologia e Medicina Laboratorial Sociedade Brasileira de Patologia Clínica, 2004 44(2008), 3, Seite 185-191 (DE-627)363752749 (DE-600)2105625-0 16784774 nnns volume:44 year:2008 number:3 pages:185-191 https://doi.org/10.1590/S1676-24442008000300005 kostenfrei https://doaj.org/article/6196e891d891414a9d908ebaacf5d93e kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442008000300005 kostenfrei https://doaj.org/toc/1676-2444 Journal toc kostenfrei https://doaj.org/toc/1678-4774 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 44 2008 3 185-191 |
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10.1590/S1676-24442008000300005 doi (DE-627)DOAJ012993557 (DE-599)DOAJ6196e891d891414a9d908ebaacf5d93e DE-627 ger DE-627 rakwb eng RB1-214 Leila Maria Soares Tojal de Barros Lima verfasserin aut Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid Pathology João Roberto Maciel Martins verfasserin aut Helena Bonclani Nader verfasserin aut Celina Maria Costa Lacet verfasserin aut Maria do Carmo Lins Vasconcelos Balwani verfasserin aut Maria Aparecida da Silva Pinhal verfasserin aut In Jornal Brasileiro de Patologia e Medicina Laboratorial Sociedade Brasileira de Patologia Clínica, 2004 44(2008), 3, Seite 185-191 (DE-627)363752749 (DE-600)2105625-0 16784774 nnns volume:44 year:2008 number:3 pages:185-191 https://doi.org/10.1590/S1676-24442008000300005 kostenfrei https://doaj.org/article/6196e891d891414a9d908ebaacf5d93e kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442008000300005 kostenfrei https://doaj.org/toc/1676-2444 Journal toc kostenfrei https://doaj.org/toc/1678-4774 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 44 2008 3 185-191 |
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10.1590/S1676-24442008000300005 doi (DE-627)DOAJ012993557 (DE-599)DOAJ6196e891d891414a9d908ebaacf5d93e DE-627 ger DE-627 rakwb eng RB1-214 Leila Maria Soares Tojal de Barros Lima verfasserin aut Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid Pathology João Roberto Maciel Martins verfasserin aut Helena Bonclani Nader verfasserin aut Celina Maria Costa Lacet verfasserin aut Maria do Carmo Lins Vasconcelos Balwani verfasserin aut Maria Aparecida da Silva Pinhal verfasserin aut In Jornal Brasileiro de Patologia e Medicina Laboratorial Sociedade Brasileira de Patologia Clínica, 2004 44(2008), 3, Seite 185-191 (DE-627)363752749 (DE-600)2105625-0 16784774 nnns volume:44 year:2008 number:3 pages:185-191 https://doi.org/10.1590/S1676-24442008000300005 kostenfrei https://doaj.org/article/6196e891d891414a9d908ebaacf5d93e kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442008000300005 kostenfrei https://doaj.org/toc/1676-2444 Journal toc kostenfrei https://doaj.org/toc/1678-4774 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 44 2008 3 185-191 |
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In Jornal Brasileiro de Patologia e Medicina Laboratorial 44(2008), 3, Seite 185-191 volume:44 year:2008 number:3 pages:185-191 |
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Leila Maria Soares Tojal de Barros Lima @@aut@@ João Roberto Maciel Martins @@aut@@ Helena Bonclani Nader @@aut@@ Celina Maria Costa Lacet @@aut@@ Maria do Carmo Lins Vasconcelos Balwani @@aut@@ Maria Aparecida da Silva Pinhal @@aut@@ |
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Leila Maria Soares Tojal de Barros Lima |
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RB1-214 Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C Marcadores séricos de fibrose hepática Ácido hialurônico Fibrose hepática Hepatite crônica C Serum markers Hepatic fibrosis Chronic hepatitis C Hyaluronic acid |
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Leila Maria Soares Tojal de Barros Lima João Roberto Maciel Martins Helena Bonclani Nader Celina Maria Costa Lacet Maria do Carmo Lins Vasconcelos Balwani Maria Aparecida da Silva Pinhal |
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valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral c predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis c |
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Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C |
abstract |
INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. |
abstractGer |
INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. |
abstract_unstemmed |
INTRODUÇÃO: Os marcadores séricos têm sido empregados na avaliação da fibrose hepática em pacientes portadores de hepatite crônica C (HCC). OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC. |
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Valor preditivo de marcadores séricos de fibrose hepática em pacientes portadores de hepatite crônica viral C Predictive value of serum markers of hepatic fibrosis in patients with chronic hepatitis C |
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OBJETIVOS: Avaliar a capacidade do índice aspartato aminotransferase (AST)/alanina aminotransferase (ALT), dos níveis séricos de gama-glutamiltransferase (GGT), contagem de plaquetas, do índice AST/plaquetas (APRI) e do ácido hialurônico (AH) em predizer a intensidade da fibrose hepática na HCC e a variação desses marcadores após tratamento com interferon. PACIENTES E MÉTODOS: Em 72 pacientes portadores de hepatite C determinamos no soro o índice AST/ALT, GGT, plaquetas, índice APRI (obtido pelo quociente AST/plaquetas) e o AH, que foram comparados ao estadiamento histológico, segundo os critérios de METAVIR. Receberam tratamento com interferon e ribavirina 65 pacientes. Os indivíduos que concluíram o tratamento (n = 33) realizaram nova dosagem dos marcadores séricos de fibrose para comparar com os níveis pré-tratamento. RESULTADOS: Observamos que a GGT, a contagem de plaquetas, o índice APRI e o AH se correlacionaram com estádio de doença hepática (p < 0,01), exceto o índice AST/ALT. A análise das áreas sob as curvas ROC (AUC) evidenciaram que a melhor associação com estadiamento hepático foi para o índice APRI e a dosagem sérica do AH: AUC (APRI) = 0,85 e AUC (AH) = 0,86. Na avaliação pós-terapia com interferon, apenas a GGT e o índice APRI apresentaram redução de seus níveis (p < 0,05). CONCLUSÃO: O AH e o índice APRI apresentaram maior acurácia no estadiamento da fibrose, podendo ser aplicados como métodos diagnósticos alternativos na HCC.<br<INTRODUCTION: Serum markers have been used in the assessment of liver fibrosis in patients with chronic hepatitis C (CHC). AIMS: We evaluated the capacity of aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, gama-glutamyltransferase (GGT) levels, platelet count, the AST to platelet ratio index (APRI) and serum hyaluronic acid (HA) to predict the intensity of hepatic fibrosis in patients with CHC and the variation of these markers after therapy with interferon. PATIENTS AND METHODS: In 72 patients with hepatitis C, AST/ALT ratio, GGT levels, platelet count, the APRI index (calculated as the ratio of AST to platelets) and serum HA concentration were determined and compared to histological staging according to the scoring system of METAVIR. Sixty-five patients received interferon and ribavirin therapy. The individuals that completed the treatment (n = 33) underwent a new test for serum marker of fibrosis in order to compare it with pre-treatment levels. RESULTS: GGT levels, platelet count, the APRI index and serum HA were correlated with the stage of hepatic fibrosis (p < 0.01), except AST/ALT ratio. The analysis of the areas under the ROC curve (AUC) evidenced that APRI and HA levels were the markers with the best association with hepatic staging: AUC (APRI) = 0.85 and AUC (HA) = 0.86. After therapy with interferon, only GGT and the APRI showed reduction of their levels (p < 0.05). CONCLUSION: HA and the APRI index were the most accurate approaches to liver fibrosis staging and they may be used as alternative diagnostic methods in patients with CHC.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Marcadores séricos de fibrose hepática</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ácido hialurônico</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Fibrose hepática</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hepatite crônica C</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Serum markers</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hepatic fibrosis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Chronic hepatitis C</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hyaluronic 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