RESUMO
BACKGROUND AND AIM: Secondary prophylaxis (SP) of variceal rebleeding was reported to improve outcomes of hepatocellular carcinoma (HCC) patients, but the optimal endoscopic approach is not well defined. We compared outcomes in HCC patients who underwent SP by endoscopic ultrasound-guided cyanoacrylate obturation (EUS-CYA) versus no SP. METHODS: Between 2014 and 2018, 30 consecutive patients with inoperable HCC and recent endoscopically controlled variceal bleeding were prospectively recruited. Twenty-seven patients with persistent varices ≥ 3 mm on endoscopic ultrasound underwent EUS-CYA for SP. Thirty-three HCC patients treated by esophagogastroduodenoscopy-guided CYA obturation (EGD-CYA) alone for acute variceal bleeding between 2009 and 2013 were identified from a prospective gastrointestinal bleed registry as standard of care controls for comparison. Outcome measures were death-adjusted cumulative incidence of rebleeding, bleeding-free survival, technical success, and procedure-related adverse events of EUS-CYA. RESULTS: The majority of patients in both groups had advanced HCC, portal vein thrombosis, and Child-Pugh B cirrhosis. EUS-CYA was successful in all 27 patients with no radiographic evidence of cyanoacrylate-lipiodol embolization. Significantly lower 30- and 90-day death-adjusted cumulative incidence of rebleeding (14.8% vs 42.4%, P = 0.023 and 18.5% vs 60.6%, P = 0.002, respectively) and significantly higher variceal bleeding-free survival at 3 and 6 months (51.9% vs 21.2%, P = 0.009, 40.7% vs 15.2%, P = 0.010, respectively) were observed in the EUS-CYA group when compared with standard of care group. CONCLUSIONS: Secondary prophylaxis by EUS-CYA reduced rebleeding rate and improved variceal bleeding-free survival in patients with inoperable HCC and variceal bleeding when compared with no SP. Randomized studies are needed to confirm the benefits of EUS-CYA for this difficult-to-treat population.
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Carcinoma Hepatocelular/complicações , Cianoacrilatos/administração & dosagem , Endossonografia/métodos , Varizes Esofágicas e Gástricas/etiologia , Hemorragia Gastrointestinal/etiologia , Hemorragia Gastrointestinal/prevenção & controle , Injeções Intralesionais/métodos , Neoplasias Hepáticas/complicações , Prevenção Secundária , Idoso , Carcinoma Hepatocelular/mortalidade , Feminino , Hemorragia Gastrointestinal/mortalidade , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva , Taxa de SobrevidaRESUMO
BACKGROUND: Poorly controlled diabetes leads to multiple complications including oral health problems. General practitioners (GPs) are at the forefront of management of chronic diseases in primary health care. Diabetes guidelines encourage a proactive role for GPs in oral health complications management in people with diabetes, yet little is known about this area of care. This study aimed to explore current practices, perceptions and barriers of GPs towards oral health care for people with diabetes. METHODS: We employed a qualitative research method utilising telephone interviews. Purposive and snowball sampling were used to recruit 12 GPs from Greater Sydney region. A thematic analysis involving an inductive approach was used to identify and analyse contextual patterns and themes. RESULTS: A majority of participants were males (n = 10), working in group practices (n = 11) with a mean ± SD age of 55 ± 11.4 years and 25 ± 13.6 years work experience. Three major themes emerged: oral health care practices in general practice settings; barriers and enablers to oral health care; and role of diabetes care providers in promoting oral health. Most GPs acknowledged the importance of oral health care for people with diabetes, identifying their compromised immune capacity and greater risks of infections as risk factors. GPs reported 20-30% of their patients having oral health problems, however their current oral health care practices relating to education, risk assessment and referrals were reported as very limited. GPs identified several barriers including time constraints, absence of referral pathways, and limited knowledge and training in promoting oral health care. They also reported patient barriers including oral health care costs and lower oral health awareness. GPs perceived that resources such as education/training, a standardised assessment tool and patient education materials could support them in promoting oral health care. GPs also perceived that other diabetes care providers such as diabetes educators could play an important role in promoting oral health. CONCLUSIONS: Despite current recommendations, GPs' current oral health care practices among people with diabetes are limited. Further strategies including capacity building GPs by developing appropriate oral health training programs and simple risk assessment tools along with accessible referral pathways are needed to address the current barriers.
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Assistência Odontológica , Diabetes Mellitus/terapia , Clínicos Gerais , Papel do Médico , Padrões de Prática Médica , Adulto , Idoso , Gerenciamento Clínico , Feminino , Custos de Cuidados de Saúde , Educadores em Saúde , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Pessoa de Meia-Idade , New South Wales , Saúde Bucal , Educação de Pacientes como Assunto , Papel Profissional , Pesquisa Qualitativa , Encaminhamento e Consulta , Medição de RiscoRESUMO
Nucleos(t)ide analogues (NA) are effective in suppressing hepatitis B virus (HBV) replication, but most patients require long-term treatment. This study aimed to investigate switching to peginterferon as a strategy to stop NA. Hepatitis B e antigen (HBeAg)-positive chronic hepatitis B patients who developed HBeAg seroconversion during NA treatment were studied. All patients received open-label peginterferon alfa-2a 180 µg/wk for 48 weeks, and NA was stopped at week 4 of peginterferon treatment. The primary endpoint was sustained response, which was defined as negative HBeAg, positive anti-HBe and HBV DNA <2000 IU/mL at week 72. Other secondary endpoints including HBsAg loss at week 72 were also studied. Forty-one patients treated with entecavir for 56 ± 23 months were recruited. Sustained response was achieved in 30 patients (73%, 95% confidence interval 58%-84%). At week 72, 31 (76%) patients had HBeAg seroconversion, 56 (23%) patients had undetectable HBV DNA, 31 (76%) patients had normal ALT, and 6 patients (15%) had HBsAg loss. Baseline HBsAg level was the best predictor for both sustained response and HBsAg loss; the best HBsAg cut-off for sustained response was <1500 IU/mL and that for HBsAg loss was <500 IU/mL by receiver operating characteristic curve analysis. Twenty-two of 25 (88%) patients with baseline HBsAg <1500 IU/mL had sustained response. Five of 10 (50%) patients with baseline HBsAg <500 IU/mL developed HBsAg loss. Switching to peginterferon can be considered as a treatment option in NA-treated patients with HBeAg seroconversion, particularly among those with lower HBsAg levels.
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Substituição de Medicamentos , Guanina/análogos & derivados , Antígenos E da Hepatite B/sangue , Hepatite B Crônica/tratamento farmacológico , Interferon-alfa/uso terapêutico , Polietilenoglicóis/uso terapêutico , Adolescente , Adulto , Idoso , Antivirais , Feminino , Guanina/uso terapêutico , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Proteínas Recombinantes/uso terapêutico , Soroconversão , Resultado do Tratamento , Adulto JovemRESUMO
BACKGROUND: People with uncontrolled diabetes are at greater risk for several oral health problems, particularly periodontal (gum) disease. Periodontal disease also impacts diabetes control. Good oral hygiene and regular dental visits are recommended to prevent and manage oral health problems. Several studies have been conducted to assess the oral health knowledge, attitudes, and practices of people with diabetes yet a review of these findings has not yet been undertaken. The aim of this systematic review was to synthesize current evidence on the knowledge, attitudes and practices of people with diabetes in relation to their oral health care. METHODS: A systematic search of all literature was carried out in five databases using key search terms. The inclusion criteria were: 1) published in the English language; 2) from 2000 to November, 2017; 3) conducted on persons with any type of diabetes and of all ages; 4) explored at least one study outcome (knowledge or attitude or practices toward oral health care); and 5) used quantitative methods of data collection. No restrictions were placed on the quality and setting of the study. RESULTS: A total of 28 studies met the inclusion criteria. The studies included a total of 27,894 people with diabetes and were conducted in 14 countries. The review found that people with diabetes have inadequate oral health knowledge, poor oral health attitudes, and fewer dental visits. They rarely receive oral health education and dental referrals from their care providers. Provision of oral health education by diabetes care providers and referral to dentists when required, was associated with improved oral health behaviours among patients. CONCLUSIONS: Overall, people with diabetes have limited oral health knowledge and poor oral health behaviours. It is therefore essential to educate patients about their increased risk for oral health problems, motivate them for good oral health behaviours and facilitate access to dental care.
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Diabetes Mellitus/epidemiologia , Conhecimentos, Atitudes e Prática em Saúde , Saúde Bucal , HumanosRESUMO
BACKGROUND & AIMS: A limited number of patients with hepatitis B e antigen (HBeAg)-positive chronic hepatitis B respond to treatment with peginterferon alfa (PEG-IFN). We investigated whether IL28B genotypes are associated with response. METHODS: We studied 205 HBeAg-positive patients who were treated with PEG-IFN (some were also treated with lamivudine) at 11 European and Asian hospitals; genotype analysis was performed for IL28B rs12980275 and rs12979860. Response was defined as HBeAg loss with the appearance of antibodies to hepatitis B e antigen (anti-HBe) at the end of PEG-IFN therapy (HBeAg seroconversion), along with HBeAg seroconversion and hepatitis B surface antigen clearance during long-term follow-up. RESULTS: The patients were infected with hepatitis B virus (HBV) genotypes A (13%), B (20%), C (47%), and D (13%). The proportions of IL28B genotypes were 77%, 19%, and 5% for AA/AG/GG at rs12980275 and also for CC/CT/TT at rs12979860, respectively. IL28B genotype was significantly associated with HBeAg seroconversion at the end of treatment (P < .001); the adjusted odds ratio for seroconversion was 3.16 (95% confidence interval [CI], 1.26-8.52; P = .013) for AA versus AG/GG at rs12980275 after adjustment for HBV genotype, age, levels of HBV DNA and alanine aminotransferase, and combination therapy. IL28B genotype was independently associated with an increased probability of HBeAg seroconversion during long-term follow-up (adjusted hazard ratio [HR], 2.14; 95% CI, 1.14-4.31; P = .018 for AA vs AG/GG by Cox regression analysis). Similar results were obtained for rs12979860. IL28B genotype was also associated with hepatitis B surface antigen clearance (HR, 3.47 for AA vs AG/GG; 95% CI, 1.04-13.48; P = .042). CONCLUSIONS: Polymorphisms near IL28B are independently associated with serologic response to PEG-IFN in patients with HBeAg-positive chronic hepatitis B.
Assuntos
Antivirais/uso terapêutico , Antígenos E da Hepatite B/sangue , Vírus da Hepatite B/efeitos dos fármacos , Hepatite B Crônica/tratamento farmacológico , Interferon-alfa/uso terapêutico , Interleucinas/genética , Polietilenoglicóis/uso terapêutico , Polimorfismo Genético , Adulto , Ásia , Biomarcadores/sangue , Distribuição de Qui-Quadrado , DNA Viral/sangue , Quimioterapia Combinada , Europa (Continente) , Feminino , Genótipo , Antígenos de Superfície da Hepatite B/sangue , Vírus da Hepatite B/genética , Vírus da Hepatite B/imunologia , Hepatite B Crônica/diagnóstico , Hepatite B Crônica/genética , Hepatite B Crônica/imunologia , Humanos , Interferon alfa-2 , Interferons , Estimativa de Kaplan-Meier , Lamivudina/uso terapêutico , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Fenótipo , Modelos de Riscos Proporcionais , Proteínas Recombinantes/uso terapêutico , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Carga Viral , Adulto JovemRESUMO
BACKGROUND: People with poorly managed diabetes are at greater risk of periodontal disease. Periodontal disease that is not effectively managed can affect glycaemic levels. Diabetes care providers, including general practitioners and diabetes educators, are encouraged to promote oral health of their clients. However, valid and reliable oral health screening tools that assess the risk of poor oral health, that are easy to administer among non-dental professionals, currently do not exist. Existing screening tools are difficult to incorporate into routine diabetes consultations due to their length. Thus, this study aimed to develop and pilot a short oral health screening tool that would identify risk of existing oral diseases and encourage appropriate referrals to the dental service. METHODS: A three-item screening tool was developed after a comprehensive review of the literature and consensus from an expert panel. The tool was then piloted as part of a larger cross-sectional survey of 260 adults with diabetes who were accessing public diabetes clinics at two locations in Sydney, Australia. As part of the survey, participants completed the three-item screening tool and a 14-item validated tool, the Oral Health Impact Profile (OHIP-14), which has been used previously in the preliminary validation of screening tools. Sensitivity and specificity analyses were then undertaken comparing the results of the two tools. RESULTS: A statistically significant correlation was found between the shorter screening tool and the OHIP-14 (rho = 0.453, p < 0.001), indicating adequate validity. The three-item tool had high sensitivity (90.5%, 95% CI 84.9%, 94.7%), with a specificity of 46.3% (95% CI 37.7%, 55.2%). The negative predictive value was 81.4% (95% CI 71.3, 89.3). No single item performed as well regarding sensitivity and negative predictive value when compared to the three items collectively. CONCLUSIONS: The three-item screening tool developed was found to be valid and sensitive in identifying risk of poor oral health, requiring oral health referrals, among people with diabetes in this pilot. This is a simple, accessible tool that diabetes care providers could incorporate into their routine consultations. Further validation against comprehensive dental assessments is needed to reassess the tool's specificity and sensitivity in diverse settings.
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Diabetes Mellitus , Doenças Periodontais , Adulto , Estudos Transversais , Humanos , Programas de Rastreamento/métodos , Saúde BucalRESUMO
This study assessed self-reported oral health status, knowledge, and behaviours of people living with diabetes along with barriers and facilitators in accessing dental care. A cross sectional survey of 260 patients from four public diabetes clinics in Sydney, Australia was undertaken using a 35-item questionnaire. Data were analysed using SPSS software with descriptive and logistic regression analyses. More than half (53.1%) of respondents reported having dental problems which negatively impacted their related quality of life. Less than half (45%) had adequate oral health knowledge. Only 10.8% reported receiving any oral health information in diabetes care settings, which had higher odds of demonstrating adequate oral health knowledge (AOR, 2.60; 95% CI, 1.06-6.34). Similarly, 62.7% reported seeing a dentist in the last 12 months. Having private health insurance (AOR, 3.70; 95% CI, 1.85-7.40) had higher odds of seeing a dentist in the past 12 months. Dental costs were a major contributor to avoiding or delaying dental visit. Patients living with diabetes have unmet oral health needs particularly around the awareness of its importance and access to affordable dental services. Diabetes care providers can play a crucial role in this area by promoting oral health to their patients.
Assuntos
Diabetes Mellitus , Saúde Bucal , Austrália/epidemiologia , Estudos Transversais , Assistência Odontológica , Diabetes Mellitus/epidemiologia , Humanos , Qualidade de VidaRESUMO
BACKGROUND: Although nucleot(s)ide analogues can effectively suppress hepatitis B virus (HBV) replication, many patients experience relapse of hepatitis after cessation of treatment. We aimed to investigate the efficacy of pegylated interferon alpha2a (PEG-IFN-alpha2a) in these difficult-to-treat patients. METHODS: Chronic hepatitis B patients who have received antiviral drugs for > or =12 months and stopped for > or =6 months were treated by 48-week PEG-IFN-alpha2a. Virological response was defined as HBV DNA <10,000 copies/ml and hepatitis B e antigen (HBeAg) seroconversion (for HBeAg-positive patients). RESULTS: A total of 40 patients, 29 HBeAg-positive and 11 HBeAg-negative, with median log10 HBV DNA 7.3 copies/ml and alanine aminotransferase 110 IU/ml were studied. The last antiviral treatment was given for 92 +/- 61 weeks and stopped for 176 +/- 88 weeks. At the end of treatment, 22 (12 HBeAg-positive and 10 HBeAg-negative; 55%) patients had virological response and 16 (7 HBeAg-positive and 9 HBeAg-negative; 40%) patients had undetectable HBV DNA (<100 copies/ml). At 24 weeks post-treatment, 14 (8 HBeAg-positive and 6 HBeAg-negative; 35%) patients had virological response and 9 (5 HBeAg-positive and 4 HBeAg-negative; 23%) patients had undetectable HBV DNA. Two (5%) patients had lost hepatitis B surface antigen. HBV DNA levels at week 24 best predicted sustained virological response (area under curve 0.76, 95% confidence interval 0.60-0.92, P=0.007). At HBV DNA cutoffs of 3 logs and 5 logs at week 24, the sensitivity/specificity for sustained virological response were 50%/85% and 86%/62%, respectively. CONCLUSIONS: PEG-IFN-alpha2a was effective in the treatment of chronic hepatitis B patients who have failed previous antiviral treatment.
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Antivirais , Vírus da Hepatite B/efeitos dos fármacos , Hepatite B Crônica/tratamento farmacológico , Interferon-alfa , Polietilenoglicóis , Adulto , Antivirais/administração & dosagem , Antivirais/uso terapêutico , DNA Viral/sangue , Feminino , Antígenos de Superfície da Hepatite B/sangue , Antígenos E da Hepatite B/sangue , Vírus da Hepatite B/imunologia , Vírus da Hepatite B/isolamento & purificação , Hepatite B Crônica/virologia , Humanos , Interferon alfa-2 , Interferon-alfa/administração & dosagem , Interferon-alfa/uso terapêutico , Masculino , Pessoa de Meia-Idade , Polietilenoglicóis/administração & dosagem , Polietilenoglicóis/uso terapêutico , Proteínas Recombinantes , Falha de Tratamento , Resultado do TratamentoRESUMO
Purpose The purpose of this study was to explore the current perceptions and practices of diabetes educators (DEs) in providing oral health care to people with diabetes. Methods A qualitative study design involving focus groups was used to gather data. Purposive sampling was used to recruit DEs working across 3 metropolitan hospitals in South Western Sydney, Australia. Results Fourteen DEs participated in 3 focus groups. Participants had a mean ± SD age of 44.4 ± 9.2 years and 5.2 ± 5.3 years of work experience in diabetes care. Four main themes were identified: perceptions about oral health care and diabetes current oral health care practices, perceptions on incorporating oral health, and suggested model of care. DEs agreed that promoting oral health in diabetes clinics is important, and they reported seeing patients frequently with oral health problems. However, the majority do not include oral health care in consultations, primarily because they have limited knowledge in this area and have not received any formal oral health education or training. Additional barriers were the lack of referral pathways and resources for patient education. DEs were receptive to incorporating oral health provided that the current barriers were addressed. DEs also suggested a multidisciplinary team care approach to promote oral health. Conclusions Current practices of DEs in oral health care are limited, but they are willing to address oral health. A suggested model of oral health care should include capacity building of diabetes care providers, appropriate dental referral pathways, and a team approach within multidisciplinary diabetes care.
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Diabetes Mellitus/psicologia , Educadores em Saúde/psicologia , Promoção da Saúde/métodos , Saúde Bucal , Encaminhamento e Consulta/estatística & dados numéricos , Adulto , Austrália , Feminino , Grupos Focais , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Percepção , Pesquisa QualitativaRESUMO
AIM: Oral health complications are common in people with diabetes yet very little is reported about the oral health care provided in diabetes care setting. This study reviewed global evidence on the oral health care knowledge and practices of diabetes care providers and the role of non-dental health professionals in oral health promotion. METHODS: A systematic search of five databases was undertaken with key search terms using a scoping review framework. Relevant studies published till October 2016 in the English language were included (n=30) and no restrictions were placed on the study design, quality or setting. RESULTS: Most diabetes care providers are not addressing oral health care with the main barriers being time constraints and limited oral health knowledge. Diabetes educators (DEs) could engage in oral health promotion with few studies showing this model of care can translate into improved patient outcomes. However, no appropriate oral health training programs and assessment tools exist for DEs. With proper training, non-dental professionals like nurses have successfully incorporated oral healthcare in other settings. CONCLUSIONS: DEs are well placed to promote oral health in diabetes care setting. Further research is needed to identify barriers and oral health resources to support DEs in this role.
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Diabetes Mellitus/terapia , Pessoal de Saúde/normas , Promoção da Saúde/métodos , Saúde Bucal/normas , Conhecimentos, Atitudes e Prática em Saúde , HumanosRESUMO
BACKGROUND: The timing of antiviral therapy cessation in hepatitis B e antigen (HBeAg)-negative patients is controversial. Here, we aimed to investigate the role of HBV DNA and hepatitis B surface antigen (HBsAg) monitoring to predict off-treatment sustained response. METHODS: A total of 53 HBeAg-negative chronic hepatitis B patients who received lamivudine for 34 ±23 (range 12-76) months and had lamivudine stopped for 47 ±35 months were studied. Primary outcome was sustained response, defined as HBV DNA≤200 IU/ml, at 12 months post-treatment (SR-12). RESULTS: A total of 9 (17%) patients achieved SR-12. HBV DNA at baseline, month 6 and end of treatment had no association with SR-12. HBsAg levels tended to decrease more significantly during treatment among SR-12 responders. At the end of treatment, both HBsAg ≤2 log IU/ml and reduction by >1 log from baseline had sensitivity, specificity, positive and negative predictive values for SR-12 of 78%, 96%, 78% and 96%, respectively. All 5 patients with HBsAg≤2 log IU/ml and reduction >1 log at the end of treatment achieved SR-12 and all 40 patients with HBsAg>2 log IU/ml and reduction ≤1 log did not have SR-12. The cumulative probability of sustained response and HBsAg clearance at 5 years among patients with HBsAg≤2 log IU/ml were 88% and 72%, respectively, that among patients with HBsAg reduction >1 log were 74% and 61%, respectively. CONCLUSIONS: Monitoring of HBsAg level can guide the timing of stopping lamivudine in HBeAg-negative chronic hepatitis B.
Assuntos
Antivirais/uso terapêutico , Antígenos de Superfície da Hepatite B/sangue , Antígenos E da Hepatite B/sangue , Vírus da Hepatite B/efeitos dos fármacos , Hepatite B Crônica/diagnóstico , Adulto , Idoso , Antivirais/administração & dosagem , DNA Viral/sangue , DNA Viral/imunologia , Feminino , Antígenos de Superfície da Hepatite B/imunologia , Antígenos E da Hepatite B/imunologia , Vírus da Hepatite B/imunologia , Hepatite B Crônica/sangue , Hepatite B Crônica/tratamento farmacológico , Hepatite B Crônica/imunologia , Hepatite B Crônica/virologia , Hong Kong , Humanos , Interferon-alfa/administração & dosagem , Interferon-alfa/uso terapêutico , Lamivudina/administração & dosagem , Lamivudina/uso terapêutico , Masculino , Pessoa de Meia-Idade , Polietilenoglicóis/administração & dosagem , Polietilenoglicóis/uso terapêutico , Valor Preditivo dos Testes , Proteínas Recombinantes/administração & dosagem , Proteínas Recombinantes/uso terapêutico , Estudos Retrospectivos , Resultado do Tratamento , Suspensão de TratamentoRESUMO
BACKGROUND & AIMS: This study aimed to determine whether intrahepatic hepatitis B virus (HBV) covalently closed circular (ccc) DNA and total HBV DNA levels at the end of therapy would predict sustained response to therapy. METHODS: Hepatitis B e antigen (HBeAg)-positive chronic hepatitis B patients receiving either lamivudine monotherapy or combination of peginterferon and lamivudine had liver biopsy at the end of 1 year therapy and were followed for 52 more weeks after cessation of therapy. Serum HBV DNA, intrahepatic HBV ccc DNA, and total HBV DNA levels were determined. RESULTS: Forty-seven patients, including 34 males and 13 females, were studied. Twenty-seven patients received combination therapy, and 20 patients received lamivudine monotherapy. Twenty-nine patients had end-of-treatment virologic response, and 15 patients had sustained response 52 weeks after therapy. At the end of treatment, log serum HBV DNA levels correlated well with log intrahepatic HBV cccDNA and log intrahepatic total HBV DNA levels. Log intrahepatic cccDNA and log intrahepatic total DNA levels were significantly lower among patients with sustained virologic response. The adjusted odds ratio for log cccDNA was 5.3 (95% CI: 1.5-18.2, P = .009) and, for log intrahepatic HBV DNA, was 4.4 (95% CI: 1.3-14.7, P = .015) to predict sustained virologic response. Using log cccDNA at -0.80 copies/genome equivalent as cutoff, the sensitivity, specificity, and positive and negative predictive values and accuracy of predicting sustained virologic response were 73%, 78%, 56%, 86%, and 77% respectively. CONCLUSIONS: Intrahepatic HBV cccDNA and intrahepatic total HBV DNA levels at the end of therapy are superior to serum HBV DNA as surrogates of sustained virologic response.