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1.
Liver Transpl ; 30(1): 10-19, 2024 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-37379030

RESUMO

Frailty and impaired functional status are associated with adverse outcomes on the liver transplant (LT) waitlist and after transplantation. Prehabilitation prior to LT has rarely been tested. We conducted a 2-arm patient-randomized pilot trial to evaluate the feasibility and efficacy of a 14-week behavioral intervention to promote physical activity prior to LT. Thirty patients were randomized 2:1 to intervention (n = 20) versus control (n = 10). The intervention arm received financial incentives and text-based reminders linked to wearable fitness trackers. Daily step goals were increased by 15% in 2-week intervals. Weekly check-ins with study staff assessed barriers to physical activity. The primary outcomes were feasibility and acceptability. Secondary outcomes included mean end-of-study step counts, short physical performance battery, grip strength, and body composition by phase angle. We fit regression models for secondary outcomes with the arm as the exposure adjusting for baseline performance. The mean age was 61, 47% were female, and the median Model for End-stage Liver Disease sodium (MELD-Na) was 13. One-third were frail or prefrail by the liver frailty index, 40% had impaired mobility by short physical performance battery, nearly 40% had sarcopenia by bioimpedance phase angle, 23% had prior falls, and 53% had diabetes. Study retention was 27/30 (90%; 2 unenrolled from intervention, 1 lost to follow-up in control arm). Self-reported adherence to exercise during weekly check-ins was about 50%; the most common barriers were fatigue, weather, and liver-related symptoms. End-of-study step counts were nearly 1000 steps higher for intervention versus control: adjusted difference 997, 95% CI, 147-1847; p = 0.02. On average, the intervention group achieved daily step targets 51% of the time. A home-based intervention with financial incentives and text-based nudges was feasible, highly accepted, and increased daily steps in LT candidates with functional impairment and malnutrition.


Assuntos
Doença Hepática Terminal , Fragilidade , Transplante de Fígado , Humanos , Feminino , Pessoa de Meia-Idade , Masculino , Transplante de Fígado/efeitos adversos , Exercício Pré-Operatório , Doença Hepática Terminal/diagnóstico , Doença Hepática Terminal/cirurgia , Índice de Gravidade de Doença
2.
Semin Liver Dis ; 42(3): 293-312, 2022 08.
Artigo em Inglês | MEDLINE | ID: mdl-35672014

RESUMO

Strategies to prevent infection and improve outcomes in patients with cirrhosis. HAV, hepatitis A virus; HBV, hepatitis B virus; COVID-19, novel coronavirus disease 2019; NSBB, nonselective ß-blocker; PPI, proton pump inhibitors.Cirrhosis is a risk factor for infections. Majority of hospital admissions in patients with cirrhosis are due to infections. Sepsis is an immunological response to an infectious process that leads to end-organ dysfunction and death. Preventing infections may avoid the downstream complications, and early diagnosis of infections may improve the outcomes. In this review, we discuss the pathogenesis, diagnosis, and biomarkers of infection; the incremental preventive strategies for infections and sepsi; and the consequent organ failures in cirrhosis. Strategies for primary prevention include reducing gut translocation by selective intestinal decontamination, avoiding unnecessary proton pump inhibitors' use, appropriate use of ß-blockers, and vaccinations for viral diseases including novel coronavirus disease 2019. Secondary prevention includes early diagnosis and a timely and judicious use of antibiotics to prevent organ dysfunction. Organ failure support constitutes tertiary intervention in cirrhosis. In conclusion, infections in cirrhosis are potentially preventable with appropriate care strategies to then enable improved outcomes.


Assuntos
COVID-19 , Inibidores da Bomba de Prótons , Antagonistas Adrenérgicos beta/efeitos adversos , Teste para COVID-19 , Diagnóstico Precoce , Humanos , Cirrose Hepática/induzido quimicamente , Cirrose Hepática/complicações , Cirrose Hepática/diagnóstico , Insuficiência de Múltiplos Órgãos
3.
Am J Gastroenterol ; 113(9): 1339, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29880972

RESUMO

OBJECTIVES: Hyponatremia is associated with poor outcomes in cirrhosis independent of MELD. While intravenous albumin has been used in small series, its role in hyponatremia is unclear. The aim of this study is to determine the effect of albumin therapy on hyponatremia. METHODS: Hospitalized cirrhotic patients included in the NACSELD (North American Consortium for End-Stage Liver Disease) cohort with hyponatremia (Na <130mmol/L) were divided into those receiving intravenous albumin or not. Determinants of hyponatremia resolution (Na ≥135 meq/L) and 30-day survival were analyzed using regression and ANCOVA models. RESULTS: Overall, 2435 patients, of whom 1126 had admission hyponatremia, were included. Of these, 777 received 225 (IQR 100,400) g of albumin, while 349 did not. Patients given albumin had a higher admission MELD score, and serum creatinine and lower admission Na and mean arterial pressure (MAP). However they experienced a higher maximum Na and hyponatremia resolution (69% vs 61%, p = 0.008) compared to those who did not. On regression, delta Na was independently associated with admission creatinine, MAP and albumin use. On ANCOVA with logistic regression, there was a significant difference in hyponatremia resolution between those who did or did not receive albumin, even after adjustment for admission Na and GFR (85.41% vs 44.78%, p = 0.0057, OR: 1.50 95% CI: 1.13-2.00). Independent predictors of 30-day survival were hyponatremia resolution, age, ACLF, and admission GFR. CONCLUSION: Hospitalized patients with cirrhosis and hyponatremia who received intravenous albumin had a higher rate of hyponatremia resolution independent of renal function and baseline sodium levels, which was in turn associated with a better 30-day survival.


Assuntos
Doença Hepática Terminal/tratamento farmacológico , Hiponatremia/tratamento farmacológico , Cirrose Hepática/tratamento farmacológico , Albumina Sérica Humana/administração & dosagem , Fatores Etários , Idoso , Doença Hepática Terminal/sangue , Doença Hepática Terminal/diagnóstico , Doença Hepática Terminal/mortalidade , Feminino , Taxa de Filtração Glomerular , Mortalidade Hospitalar , Hospitalização , Humanos , Hiponatremia/sangue , Hiponatremia/diagnóstico , Hiponatremia/mortalidade , Infusões Intravenosas , Cirrose Hepática/sangue , Cirrose Hepática/diagnóstico , Cirrose Hepática/mortalidade , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Prospectivos , Eliminação Renal , Índice de Gravidade de Doença , Sódio/sangue , Sódio/metabolismo , Análise de Sobrevida , Fatores de Tempo , Resultado do Tratamento
4.
Am J Gastroenterol ; 113(4): 556-563, 2018 04.
Artigo em Inglês | MEDLINE | ID: mdl-29257141

RESUMO

OBJECTIVES: Bacterial infections are associated with negative outcomes in cirrhosis but fungal infections are being increasingly recognized. The objective of this study is to define risk factors for fungal infection development and impact on 30-day survival. METHODS: In a large, multi-center cirrhotic inpatient cohort, demographics, cirrhosis details, intensive care unit (ICU), organ failures/acute-on-chronic liver failure (ACLF), and 30-day survival were compared between patients without infections and with bacterial infections alone, with those with fungal infections. Variables associated with fungal infection development were determined using multi-variable regression. Ordinal variables (0=no infection, 1=community-acquired bacterial infection, 2=nosocomial bacterial, and 3=fungal infection) were input into a 30-day survival model. RESULTS: A total of 2,743 patients (1,691 no infection, 918 bacterial, and 134 fungal infections) were included. Patients with fungal infection, all of which were nosocomial, were more likely to be admitted with bacterial infections, on spontaneous bacterial peritonitis prophylaxis, and have diabetes and advanced cirrhosis. Bacterial infection types did not predict risk for fungal infections. Multi-variable analysis showed male gender to be protective, whereas diabetes, longer stay, ICU admission, acute kidney injury (AKI), and admission bacterial infection were associated with fungal infection development (area under the curve (AUC)=0.82). Fungal infections were associated with significantly higher ACLF, inpatient stay, ICU admission, and worse 30-day survival. The case fatality rate was 30% with most fungal infections but >50% for fungemia and fungal peritonitis. On a multi-variable analysis, age, AKI, model for end-stage liver disease, ICU admission, and ordinal infection variables impaired survival (P<0.0001, AUC=0.83). CONCLUSIONS: Fungal infections are associated with a poor 30-day survival in hospitalized cirrhotic patients compared with uninfected patients, and those with bacterial infections. Patients with diabetes, AKI, and those with an admission bacterial infection form a high-risk subgroup.


Assuntos
Insuficiência Hepática Crônica Agudizada/epidemiologia , Infecções Bacterianas/epidemiologia , Cirrose Hepática/mortalidade , Micoses/mortalidade , Injúria Renal Aguda/epidemiologia , Idoso , Comorbidade , Infecção Hospitalar/epidemiologia , Diabetes Mellitus/epidemiologia , Feminino , Fungemia/mortalidade , Humanos , Unidades de Terapia Intensiva , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Micoses/epidemiologia , Admissão do Paciente , Peritonite/microbiologia , Peritonite/mortalidade , Fatores de Proteção , Fatores de Risco , Fatores Sexuais , Taxa de Sobrevida
6.
Gut ; 66(10): 1844-1852, 2017 10.
Artigo em Inglês | MEDLINE | ID: mdl-27418632

RESUMO

OBJECTIVE: Due to a high efficacy in clinical trials, sofosbuvir (SOF) and ribavirin (RBV) for 12 or 16 weeks is recommended for treatment of patients with HCV genotype (GT) 2 infection. We investigated safety and effectiveness of these regimens for GT2 in HCV-TARGET participants. DESIGN: HCV-TARGET, an international, prospective observational study evaluates clinical practice data on novel antiviral therapies at 44 academic and 17 community medical centres in North America and Europe. Clinical data were centrally abstracted from medical records. Selection of treatment regimen and duration was the investigator's choice. The primary efficacy outcome was sustained virological response 12 weeks after therapy (SVR12). RESULTS: Between December 2013 and April 2015, 321 patients completed 12 weeks (n=283) or 16 weeks (n=38) of treatment with SOF and RBV. Prior treatment experience and cirrhosis was more frequent among patients in the 16-week regimen compared with 12 weeks (52.6% vs 27.6% and 63.2% vs 21.9%, respectively). Overall, SVR12 was 88.2%. The SVR12 in patients without cirrhosis was 91.0% and 92.9% for 12 or 16 weeks of therapy, respectively. In patients with cirrhosis treated for 12 or 16 weeks, SVR12 was 79.0% and 83%. In the multivariate analysis, liver cirrhosis, lower serum albumin and RBV dose at baseline were significantly associated with SVR12. Common adverse events (AEs) included fatigue, anaemia, nausea, headache, insomnia, rash and flu-like symptoms. Discontinuation due to AEs occurred in 2.8%. CONCLUSIONS: In this clinical practice setting, SOF and RBV was safe and effective for treatment of patients with HCV GT2 infection. TRIAL REGISTRATION NUMBER: NCT01474811.


Assuntos
Antivirais/uso terapêutico , Hepacivirus/genética , Hepatite C Crônica/tratamento farmacológico , Hepatite C Crônica/virologia , Ribavirina/uso terapêutico , Sofosbuvir/uso terapêutico , Adolescente , Adulto , Idoso , Antivirais/administração & dosagem , Antivirais/efeitos adversos , Quimioterapia Combinada/efeitos adversos , Feminino , Genótipo , Hepatite C Crônica/complicações , Humanos , Cirrose Hepática/virologia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Ribavirina/administração & dosagem , Ribavirina/efeitos adversos , Albumina Sérica/metabolismo , Sofosbuvir/administração & dosagem , Sofosbuvir/efeitos adversos , Resposta Viral Sustentada , Adulto Jovem
8.
BMC Musculoskelet Disord ; 16: 93, 2015 04 19.
Artigo em Inglês | MEDLINE | ID: mdl-25896674

RESUMO

BACKGROUND: To determine the prevalence of patient-reported joint pain among patients with human immunodeficiency virus (HIV)/chronic hepatitis C virus (HCV) coinfection, chronic HCV monoinfection, and HIV monoinfection followed in hepatology and infectious disease outpatient practices. METHODS: Standardized interviews were performed among 79 HIV/HCV-coinfected, 93 HCV-monoinfected, and 30 HIV-monoinfected patients in a cross-sectional study within hepatology and infectious disease clinics at three centers. The Multi-Dimensional Health Assessment Questionnaire was used to ascertain joint pain and associated symptoms. Information on potential risk factors for joint pain was obtained during the interview and by chart review. Logistic regression was used to determine adjusted odds ratios (aORs) with 95% confidence intervals (CIs) of joint pain associated with risk factors of interest among chronic HCV-infected and HIV-infected patients. RESULTS: Joint pain was more commonly reported in HCV-monoinfected than HIV/HCV-coinfected (71% versus 56%; p = 0.038) and HIV-monoinfected (71% versus 50%; p = 0.035) patients. A previous diagnosis of arthritis and current smoking were risk factors for joint pain among HCV-infected patients (arthritis: aOR, 4.25; 95% CI, 1.84-9.81; smoking: aOR, 5.02; 95% CI, 2.15-11.74) and HIV-infected (arthritis: aOR, 5.36; 95% CI, 2.01-14.25; smoking: aOR, 6.07; 95% CI, 2.30-16.00) patients. CONCLUSION: Patient-reported joint pain was prevalent among all three groups, but more common among chronic HCV-monoinfected than either HIV/HCV-coinfected or HIV-monoinfected patients. A prior diagnosis of arthritis and current smoking were risk factors for patient-reported joint pain among both HCV-infected and HIV-infected patients.


Assuntos
Artralgia/epidemiologia , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Hepatite C Crônica/complicações , Hepatite C Crônica/epidemiologia , Entrevistas como Assunto , Adulto , Artrite/complicações , Comorbidade , Estudos Transversais , Feminino , HIV , Hepacivirus , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Prevalência , Fatores de Risco , Fumar/efeitos adversos , Inquéritos e Questionários
9.
Pharmacoepidemiol Drug Saf ; 24(7): 676-83, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-25866286

RESUMO

PURPOSE: Identification of acute liver failure (ALF) is important for post-marketing surveillance of medications, but the validity of using ICD-9 diagnoses and laboratory data to identify these events within electronic health records is unknown. We examined positive predictive values (PPVs) of hospital ICD-9 diagnoses and laboratory tests of liver dysfunction for identifying ALF within a large, community-based integrated care organization. METHODS: We identified Kaiser Permanente Northern California health plan members (2004-2010) with a hospital diagnosis suggesting ALF (ICD-9 570, 572.2, 572.4, 572.8, 573.3, 573.8, or V42.7) plus an inpatient international normalized ratio ≥1.5 (off warfarin) and total bilirubin ≥5.0 mg/dL. Hospital records were reviewed by hepatologists to adjudicate ALF events. PPVs for confirmed outcomes were determined for individual ICD-9 diagnoses, diagnoses plus prescriptions for hepatic encephalopathy treatment, and combinations of diagnoses in the setting of coagulopathy and hyperbilirubinemia. RESULTS: Among 669 members with no pre-existing liver disease, chart review confirmed ALF in 62 (9%). Despite the presence of co-existing coagulopathy and hyperbilirubinemia, individual ICD-9 diagnoses had low PPVs (range, 5-15%); requiring prescriptions for encephalopathy treatment did not increase PPVs of these diagnoses (range, 2-23%). Hospital diagnoses of other liver disorders (ICD-9 573.8) plus hepatic coma (ICD-9 572.2) had high PPV (67%; 95%CI, 9-99%) but only identified two (3%) ALF events. CONCLUSIONS: Algorithms comprising relevant hospital diagnoses, laboratory evidence of liver dysfunction, and prescriptions for hepatic encephalopathy treatment had low PPVs for confirmed ALF events. Studies of ALF will need to rely on medical records to confirm this outcome.


Assuntos
Doença Hepática Induzida por Substâncias e Drogas/diagnóstico , Doença Hepática Induzida por Substâncias e Drogas/epidemiologia , Codificação Clínica , Classificação Internacional de Doenças , Falência Hepática Aguda/diagnóstico , Falência Hepática Aguda/epidemiologia , Idoso , Idoso de 80 Anos ou mais , California/epidemiologia , Doença Hepática Induzida por Substâncias e Drogas/etiologia , Estudos Transversais , Humanos , Falência Hepática Aguda/induzido quimicamente , Testes de Função Hepática , Pessoa de Meia-Idade , Farmacoepidemiologia , Valor Preditivo dos Testes , Vigilância de Produtos Comercializados
10.
Liver Int ; 35(2): 370-80, 2015 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25039930

RESUMO

BACKGROUND & AIMS: The long-term clinical outcomes in initial survivors with acute liver failure (ALF) are not well known. The aim of this study was to provide an overview of the 2-year clinical outcomes among initial survivors and liver transplant (LT) recipients that were alive 3 weeks after enrolment in the Acute Liver Failure Study Group (ALFSG). METHODS: Outcomes in adult ALFSG patients that were enrolled between 1998 and 2010 were reviewed. RESULTS: Two-year patient survival was significantly higher in the 262 LT recipients (92.4%) compared to the 306 acetaminophen (APAP) spontaneous survivors (SS) (89.5%) and 200 non-APAP SS (75.5%) (P < 0.0001). The causes of death were similar in the three groups but the time to death was significantly longer in the LT recipients (P < 0.0001). Independent predictors of 2-year mortality in the APAP group were a high serum phosphate level and patient age (c-statistic = 0.65 (0.54, 0.76)), patient age and days from jaundice to ALF onset in the non-APAP group (c-statistic = 0.69 (0.60, 0.78)), and patient age, days from jaundice, and higher coma grade in the LT recipients (c-statistic = 0.74 (0.61, 0.87)). The LT recipients were significantly more likely to be employed and have a higher educational level (P < 0.05). CONCLUSIONS: Two-year outcomes in initial survivors of ALF are generally good but non-APAP patients have a significantly lower survival which may relate to pre-existing medical comorbidities. Spontaneous survivors with APAP overdose experience substantial morbidity during follow-up from ongoing psychiatric and substance abuse issues.


Assuntos
Acetaminofen/uso terapêutico , Falência Hepática Aguda/epidemiologia , Transplante de Fígado/estatística & dados numéricos , Sobreviventes/estatística & dados numéricos , Transplantados/estatística & dados numéricos , Adulto , Feminino , Seguimentos , Humanos , Falência Hepática Aguda/tratamento farmacológico , Falência Hepática Aguda/cirurgia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Estatísticas não Paramétricas , Resultado do Tratamento
11.
Drug Saf ; 31(3): 261-70, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18302450

RESUMO

BACKGROUND: Over-the-counter analgesics (OTCAs), principally paracetamol (acetaminophen)-containing compounds and NSAIDs, are commonly used medications. Guidelines for the use of these agents in patients with chronic liver disease (CLD) are not available, despite the possibility that such patients may be more susceptible to the effects of an adverse reaction. Notwithstanding the lack of guidelines for healthcare providers, patients are often counselled to modify their use of these drugs. Therefore, the primary aim of this study was to assess healthcare providers' recommendations on how OTCAs should be used by patients with CLD. METHODS: An 11-question web-based survey was distributed via email to healthcare providers participating in four healthcare networks in the US, to determine what recommendations they make to patients with cirrhosis (compensated and decompensated) and chronic hepatitis regarding the use of paracetamol and NSAIDs. Healthcare providers were also queried about the recommendations they make to patients with cirrhosis regarding pain control, and on the use of paracetamol for patients who consume alcohol daily. RESULTS: Overall, a 12% response rate was obtained. Internal medicine, family practice, paediatrics, and gastroenterology were the most represented practice types. Recommendations against the use of NSAIDs were significantly less common than recommendations against paracetamol use, in cases of both compensated and decompensated cirrhosis (p = 0.001). Non-gastroenterologists and non-primary care physicians were the least likely to recommend against NSAID use (p = 0.001), while gastroenterologists were the least likely to recommend against paracetamol in these patients (p = 0.001). It was the recommendation of most respondents that OTCAs should be avoided in patients with cirrhosis, and that paracetamol should be avoided or its dose reduced in the setting of daily alcohol use. CONCLUSIONS: Significant variability exists among healthcare providers on their recommendations for OTCA use in the setting of chronic liver disease. Non-gastroenterologists are more likely to recommend against the use of paracetamol than NSAIDs, and patients with chronic liver disease may be under-treated for pain.


Assuntos
Analgésicos não Narcóticos/uso terapêutico , Anti-Inflamatórios não Esteroides/uso terapêutico , Hepatopatias/complicações , Médicos , Acetaminofen/efeitos adversos , Acetaminofen/uso terapêutico , Consumo de Bebidas Alcoólicas/efeitos adversos , Analgésicos não Narcóticos/efeitos adversos , Anti-Inflamatórios não Esteroides/efeitos adversos , Doença Crônica , Contraindicações , Humanos , Internet , Medicamentos sem Prescrição/efeitos adversos , Medicamentos sem Prescrição/uso terapêutico , Dor/complicações , Dor/tratamento farmacológico , Médicos/estatística & dados numéricos , Guias de Prática Clínica como Assunto , Padrões de Prática Médica/estatística & dados numéricos , Inquéritos e Questionários , Estados Unidos
12.
Am J Gastroenterol ; 98(9): 2060-3, 2003 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-14499788

RESUMO

OBJECTIVES: The incidence of hepatocellular carcinoma (HCC) seems to be rising in the United States (US), and considerable variability in the incidence and etiology of HCC has been noted among different racial and ethnic groups in this country. The aim of this study was to evaluate the influence of racial and ethnic status in the viral etiology of HCC in the US. METHODS: Retrospective surveys were conducted at liver transplantation centers in the US. Respondents were asked to review the charts of all patients with HCC seen at their institution for the 2-yr period between July, 1997, and June, 1999, and provide information about the racial and ethnic distribution of cases and their serological status with regard to hepatitis B and C markers. RESULTS: Complete information was available on 691 patients who formed the basis of this study, comprising 59% whites, 14% blacks, 16% Asians, and 11% other racial groups. Of the patients, 107 patients (15.4%) were positive for hepatitis B surface antigen (HBsAg), 322 had antibodies to hepatitis C virus (anti-HCV) (46.5%), 33 (4.7%) had both HBsAg and anti-HCV), and 229 (33.1%) had neither marker present. Clear differences were seen among racial groups. Anti-HCV positivity was the most frequent risk factor in both blacks and whites, whereas HBsAg positivity was the most frequent etiological factor in Asians with HCC. CONCLUSIONS: HCV infection seems to be the major risk factor for HCC in the US, particularly among individuals of white and black ethnicity, whereas hepatitis B remains the main risk factor among patients of Asian ethnicity. These preliminary findings indicate the need for a more detailed study of ethnic variability in the pathogenesis of HCC.


Assuntos
Carcinoma Hepatocelular/etnologia , Carcinoma Hepatocelular/etiologia , Hepatite C Crônica/complicações , Hepatite C Crônica/etnologia , Neoplasias Hepáticas/etnologia , Neoplasias Hepáticas/etiologia , Adulto , Negro ou Afro-Americano/estatística & dados numéricos , Distribuição por Idade , Idoso , Etnicidade/estatística & dados numéricos , Feminino , Hepatite C Crônica/diagnóstico , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Vigilância da População , Estudos Retrospectivos , Fatores de Risco , Distribuição por Sexo , Taxa de Sobrevida , Estados Unidos/epidemiologia , População Branca/estatística & dados numéricos
13.
Dig Dis Sci ; 48(1): 140-5, 2003 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-12645801

RESUMO

To determine if an intensive regimen of daily, high-dose interferon would improve the initial response rates to therapy for hepatitis C genotype 1 among African American and Caucasian patients, we conducted a retrospective analysis of a treatment trial conducted between October 1995 and June 1997. Patients were randomized to 24 weeks of therapy with interferon--alpha-2b at either 5 MU daily or 3 MU three times a week. On the standard interferon regimen (3 MU three times a week) African Americans and Caucasians had similar initial response rates. However, unlike Caucasians, African Americans did not have an increased initial virological response when treated with an intensive, daily dose regimen. Levels of HCV RNA decreased more slowly during the first 12 weeks of therapy among African Americans. Nelson-Aalen cumulative hazard estimates for the different race and dose combinations revealed that Caucasians who received daily interferon were most likely to have an initial response (logrank, P < 0.001).


Assuntos
Antivirais/uso terapêutico , População Negra , Hepatite C Crônica/tratamento farmacológico , Hepatite C Crônica/etnologia , Interferon-alfa/uso terapêutico , Adulto , Negro ou Afro-Americano , Antivirais/administração & dosagem , Esquema de Medicação , Feminino , Humanos , Interferon alfa-2 , Interferon-alfa/administração & dosagem , Masculino , Pessoa de Meia-Idade , RNA Viral/sangue , Proteínas Recombinantes , Estudos Retrospectivos , População Branca
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