Association between sustained virological response and clinical outcomes in patients with hepatitis C infection and hepatocellular carcinoma.

BACKGROUND: Sustained viral response (SVR) improves survival for patients with hepatitis C (HCV) and hepatocellular carcinoma (HCC) after curative treatment; however, the benefit of SVR in those with active HCC with a significant competing risk of mortality is unknown. This study aimed to evaluate the association between SVR and outcomes in patients with active HCC. METHODS: The authors performed a multicenter, retrospective cohort study including consecutive adults with HCV cirrhosis and treatment-naive HCC diagnosed between 2014 and 2018. Patients were stratified into two groups: active viremia (n = 431) and SVR before HCC diagnosis (n = 135). All patients underwent nonsurgical therapy as their initial treatment and were followed until liver transplantation, last follow-up, or death. The primary outcome was incident or worsening hepatic decompensation within 6 months and the secondary outcome was overall survival. All analyses used inverse probability of treatment weights (IPTW) to account for differences between the nonrandomized cohorts. RESULTS: Post-SVR patients had significantly lower odds of hepatic decompensation compared to viremic patients (odds ratio [OR], 0.18; 95% confidence interval [CI], 0.06-0.59). Results were consistent among subgroups of patients with Child Pugh A cirrhosis (OR, 0.22; 95% CI, 0.04-0.77), Barcelona Clinic Liver Cancer stage B/C HCC (OR, 0.20; 95% CI, 0.04-0.65), and those receiving nonablative HCC therapies (OR, 0.21; 95% CI, 0.07-0.67). However, in IPTW multivariable Cox regression, SVR was not associated with improved survival (hazard ratio, 0.79; 95% CI, 0.56-1.12). CONCLUSIONS: Patients with HCV-related HCC and SVR are less likely to experience hepatic decompensation than viremic patients, suggesting patients with HCC who are undergoing nonsurgical therapies may benefit from DAA treatment.

Comparative effectiveness of biliary brush cytology and intraductal biopsy for detection of malignant biliary strictures: a systematic review and meta-analysis.

BACKGROUND: Evaluation of indeterminate biliary strictures typically involves collection and analysis of tissue or cells. Brush cytology and intraductal biopsies that are routinely performed during ERCP to assess malignant-appearing biliary strictures are limited by relatively low sensitivity. OBJECTIVE: To study the comparative effectiveness of brushings for cytology and intraductal biopsies in the etiology of biliary strictures. DESIGN: Meta-analysis. SETTING: Referral center. PATIENTS: PUBMED and Embase databases were reviewed for studies published to April 2014 where diagnostic correlation of histology was available. INTERVENTION: Database and review of study findings. MAIN OUTCOME MEASUREMENTS: Sensitivity and specificity. RESULTS: The pooled sensitivity and specificity of brushings for the diagnosis of malignant biliary strictures was 45% (95% confidence interval [CI], 40%-50%) and 99% (95% CI, 98%-100%), respectively. The pooled diagnostic odds ratio to detect malignant biliary strictures was 33.43 (95% CI, 14.29-78.24). For intraductal biopsies, the pooled sensitivity and specificity were 48.1% (95% CI, 42.8%-53.4%) and 99.2% (95% CI, 97.6%-99.8%), respectively. The pooled diagnostic odds ratio to detect malignant biliary strictures was 43.18 (95% CI, 19.39-95.83). A combination of both modalities only modestly increased the sensitivity (59.4%; 95% CI, 53.7%-64.8%) with a specificity of 100% (95% CI, 98.8%-100.0%). The Begg-Mazumdar and Egger tests indicated a low potential for publication bias. LIMITATIONS: Inclusion of low-quality studies. CONCLUSION: Our study suggests that both brushings and biopsy are comparable and have limited sensitivity for the diagnosis of malignant biliary strictures. A combination of both only modestly increases the sensitivity.

Precut sphincterotomy: efficacy for ductal access and the risk of adverse events.

BACKGROUND: Successful ductal access is achieved in 90% of patients who undergo ERCP. Precut sphincterotomy has been advocated when routine cannulation is not possible. OBJECTIVE: To evaluate the efficacy of precut sphincterotomy for ductal access and the risk of adverse events including post-ERCP pancreatitis (PEP) associated with it. DESIGN: Retrospective analysis of ERCP procedures performed from 2002 to 2011. SETTING: Referral center. PATIENTS: A total of 10,202 consecutive patients who underwent native cannulation ERCP. MAIN OUTCOME MEASUREMENTS: Efficacy for ductal access and risk of adverse events including PEP. RESULTS: A total of 706 patients required precut sphincterotomy, 614 of whom (86.9%) had successful biliary cannulation. PEP was diagnosed in 58 (8.2 %), perforation in 6 (0.8%), and bleeding in 49 (6.9%) patients. On multivariate analysis, unsuccessful precut sphincterotomy (odds ratio [OR] 2.59; 95% confidence interval [CI], 1.53-4.40; P < .001) and female sex (OR 1.95; 95% CI, 1.23-3.07; P = .004) were associated with increased risk of the development of adverse events. Female sex (OR 2.42; 95% CI, 1.29-4.55; P = .006) and sphincter of Oddi dysfunction (OR 2.77; 95% CI, 1.16-6.60; P = .02) were associated with an increased risk of PEP. LIMITATIONS: Retrospective study. CONCLUSIONS: Precut sphincterotomy is effective in achieving ductal access when standard cannulation techniques fail. A successful precut sphincterotomy is not associated with an increased risk of adverse events.

An unusual case of fever of unknown origin.

Mycobacterium avium complex (MAC) infection is a common complication of the later stages of AIDS. Extrapulmonary infection with MAC in HIV-negative patients is considered uncommon. We report a case of a young female who presented with fever of unknown origin on multiple occasions and failed to be diagnosed with MAC by acid-fast stain initially. Subsequently, the patient presented with pancytopenia due to bone marrow biopsy-proven infection with MAC. The patient was not on any immunosuppressant regimen.

Impact of COVID-19 on gastroenterology fellowship training: a multicenter analysis of endoscopy volumes.

Background and study aims The COVID-19 pandemic has had a profound impact on gastroenterology training programs. We aimed to objectively evaluate procedural training volume and impact of COVID-19 on gastroenterology fellowship programs in the United States. Methods This was a retrospective, multicenter study. Procedure volume data on upper and lower endoscopies performed by gastroenterology fellows was abstracted directly from the electronic medical record. The study period was stratified into 2 time periods: Study Period 1, SP1 (03/15/2020 to 06/30/2020) and Study Period 2, SP2 (07/01/2020 to 12/15/2020). Procedure volumes during SP1 and SP2 were compared to Historic Period 1 (HP1) (03/15/2019 to 06/30/2019) and Historic Period 2 (HP2) (07/01/2019 to 12/15/2019) as historical reference. Results Data from 23 gastroenterology fellowship programs (total procedures = 127,958) with a median of 284 fellows (range 273-289; representing 17.8 % of all trainees in the United States) were collected. Compared to HP1, fellows performed 53.6 % less procedures in SP1 (total volume: 28,808 vs 13,378; mean 105.52 ±â€Š71.94 vs 47.61 ±â€Š41.43 per fellow; P  < 0.0001). This reduction was significant across all three training years and for both lower and upper endoscopies ( P  < 0.0001). However, the reduction in volume was more pronounced for lower endoscopy compared to upper endoscopy [59.03 % (95 % CI: 58.2-59.86) vs 48.75 % (95 % CI: 47.96-49.54); P  < 0.0001]. The procedure volume in SP2 returned to near baseline of HP2 (total volume: 42,497 vs 43,275; mean 147.05 ±â€Š96.36 vs 150.78 ±â€Š99.67; P  = 0.65). Conclusions Although there was a significant reduction in fellows' endoscopy volume in the initial stages of the pandemic, adaptive mechanisms have resulted in a return of procedure volume to near baseline without ongoing impact on endoscopy training.

Donor IFNL4 Genotype Is Associated with Early Post-Transplant Fibrosis in Recipients with Hepatitis C.

BACKGROUND AND AIMS: Early post-transplant hepatic fibrosis is associated with poor outcomes and may be influenced by donor/recipient genetic factors. The rs368234815 IFNL4 polymorphism is related to the previously described IL28B polymorphism, which predicts etiology-independent hepatic fibrosis. The aim of this study was to identify the impact of donor and/or recipient IFNL4 genotype on early fibrosis among patients transplanted for hepatitis C (HCV). METHODS: Clinical data were collected for 302 consecutive patients transplanted for HCV. 116 patients who had available liver biopsies and donor/recipient DNA were included. 28% of these patients with stage 2 fibrosis or greater were compared to patients without significant post-transplant fibrosis with respect to clinical features as well as donor/recipient IFNL4 genotype. RESULTS: The IFNL4 TT/TT genotype was found in 26.0% of recipients and 38.6% of donors. Patients who developed early post-transplant fibrosis had a 3.45 adjusted odds of having donor IFNL4 TT/TT genotype (p = 0.012). Donor IFNL4 TT/TT genotype also predicted decreased overall survival compared to non-TT/TT genotypes (p = 0.016). CONCLUSIONS: Donor IFNL4 TT/TT genotype, a favorable predictor of spontaneous HCV clearance pre-transplant, is associated with increased early post-transplant fibrosis and decreased survival.

Early precut sphincterotomy and the risk of endoscopic retrograde cholangiopancreatography related complications: An updated meta-analysis.

AIM: To study the cannulation and complication rates of early pre-cut sphincterotomy vs persistent attempts at cannulation by standard approach. METHODS: Systematic search of PubMed, EMBASE, Web of Science, and the Cochrane Library for relevant studies published up to February 2013. The main outcome measurements were cannulation rates and post-endoscopic retrograde cholangiopancreatography (ERCP) complications. A comprehensive systematic search of the Cochrane library, PubMed, Google scholar, Scopus, National Institutes of Health, meta-register of controlled trials and published proceedings from major Gastroenterology journals and meetings until February 2013 was conducted using keywords. All Prospective randomized controlled trials (RCT) studies which met our inclusion criteria were included in the analysis. Prospective non-randomized studies and retrospective studies were excluded from our meta-analysis. The main outcomes of interest were post-ERCP pancreatitis, overall complication rates including cholangitis, ERCP-related bleeding, perforation and cannulation success rates. RESULTS: Seven RCTs with a total of 1039 patients were included in the meta-analysis based on selection criteria. The overall cannulation rate was 90% in the pre-cut sphincterotomy vs 86.3% in the persistent attempts group (OR = 1.98; 95%CI: 0.70-5.65). The risk of post-ERCP pancreatitis (PEP) was not different between the two groups (3.9% in the pre-cut sphincterotomy vs 6.1% in the persistent attempts group, OR = 0.58, 95%CI: 0.32-1.05). Similarly, there was no statistically significant difference between the groups for overall complication rate including PEP, cholangitis, bleeding, and perforation (6.2% vs 6.9%, OR = 0.85, 95%CI: 0.51-1.41). CONCLUSION: This meta-analysis suggests that pre-cut sphincterotomy and persistent attempts at cannulation are comparable in terms of overall complication rates. Early pre-cut implementation does not increase PEP complications.