Cirrhosis Patients with Nonalcoholic Steatohepatitis Are Significantly Less Likely to Receive Surveillance for Hepatocellular Carcinoma

Abstract

Background

Disparities in receipt of hepatocellular carcinoma (HCC) surveillance contribute to disparities in overall survival outcomes.

Aim

We aim to evaluate disparities in receipt of routine HCC surveillance among patients with cirrhosis in a large urban safety-net hospital.

Methods

Consecutive adults (age ≥ 18) with cirrhosis from July 1, 2014, to December 31, 2015, were retrospectively evaluated to determine rates of receiving appropriate HCC surveillance within 6 months and 1 year after diagnosis of cirrhosis. Rates of HCC surveillance were stratified by sex, race/ethnicity, and liver disease etiology. Multivariate Cox proportional hazards models were utilized to evaluate for predictors of receiving appropriate HCC surveillance.

Results

Among 157 cirrhosis patients enrolled [hepatitis C virus (HCV): 29.9%, hepatitis B virus: 13.4%, alcoholic cirrhosis: 44.6%, nonalcoholic steatohepatitis (NASH): 8.9%], mean age of cirrhosis diagnosis was 53.8 ± 9.0 years. Among these patients, 49% received (n = 77) HCC surveillance within 6 months and 78% (n = 123) were surveyed within 1 year of cirrhosis diagnosis. On multivariate analyses, patients with NASH cirrhosis were significantly less likely to receive HCC surveillance compared with chronic HCV cirrhosis patients (HR 0.44, 95% CI 0.19–0.99, p < 0.05). No significant sex-specific or race/ethnicity-specific disparities in receipt of HCC surveillance were observed.

Conclusion

Among a diverse safety-net hospital population, sub-optimal HCC surveillance rates were observed: Only 49% of cirrhosis patients received HCC surveillance within 6 months, and 78% of cirrhosis patients received HCC surveillance within 1 year. Differences in rates of HCC screening by liver disease etiology were observed.

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The Gastroenterology Fellowship Match: A Decade Later

Abstract

Following a period of uncertainty and disorganization, the gastroenterology (GI) national leadership decided to reinstitute the fellowship match (the Match) under the auspices of the National Residency Matching Program (NRMP) in 2006. Although it has now been a decade since the rebirth of the Match, there have been limited data published regarding progress made. In this piece, we discuss reasons for the original collapse of the GI Match, including most notably a perceived oversupply of GI physicians and a poor job market. We discuss the negative impacts the absence of the Match had on programs and on applicants, as well as the impetus to reorganize the Match under the NRMP. We then utilize data published annually by the NRMP to demonstrate that in the decade since its rebirth, the GI Match has been remarkably successful in terms of attracting the participation of applicants and programs. We show that previous misguided concerns of an oversupply of GI physicians were not realized, and that GI fellowship positions remain highly competitive for internal medicine applicants. Finally, we discuss possible implications of recent changes in the healthcare landscape on the GI Match.

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Decompensated Liver Disease in a Patient with Neurocysticercosis

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Endoscopic Localization of Colon Cancer Is Frequently Inaccurate

Abstract

Background

Colonoscopic location of a tumor can influence both the surgical procedure choice and overall treatment strategy.

Aims

To determine the accuracy of colonoscopy in determining the location of colon cancer compared to surgical localization and to elucidate factors that predict discordant colon cancer localization.

Methods

We conducted a retrospective cross-sectional study of colon cancers diagnosed on colonoscopy at two academic tertiary-care hospitals and two affiliated community hospitals from 2012 to 2014. Colon cancer location was obtained from the endoscopic and surgical pathology reports and characterized by colon segment. We collected data on patient demographics, tumor characteristics, endoscopic procedure characteristics, surgery planned, and surgery performed. Univariate analyses using Chi-squared test and multivariate analysis using forward stepwise logistic regression were performed to determine factors that predict discordant colon cancer localization.

Results

There were 110 colon cancer cases identified during the study period. Inaccurate endoscopic colon cancer localization was found in 29% (32/110) of cases. These included 14 cases (12.7%) that were discordant by more than one colonic segment and three cases where the presurgical planned procedure was significantly changed at the time of surgery. On univariate analyses, right-sided colon lesions were associated with increased inaccuracy (43.8 vs 24.4%, p = 0.04). On multivariate analysis, right-sided colon lesions remained independently associated with inaccuracy (OR 1.74, 95% CI 1.03–2.93, p = 0.04).

Conclusions

Colon cancer location as determined by colonoscopy is often inaccurate, which can result in intraoperative changes to surgical management, particularly in the right colon.

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Gut Inflammation: More Than a Peripheral Annoyance

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Autophagy Genes of Host Responds to Disruption of Gut Microbial Community by Antibiotics

Abstract

Background

Defective autophagic machinery, such as that in Crohn's disease patients homozygous for ATG16L1 risk allele, is associated with alteration of resident gut bacterial communities. However, whether or not host autophagy responds to changes in the resident gut microbial community is not known. Here, we investigated the effect of antibiotic-induced disruption of the gut microbiome (dysbiosis) on autophagy gene expression and the expression of antimicrobial peptides/protein (AMP) over time.

Aim

To test the hypothesis that antibiotic treatment may cause time-dependent changes in gut bacterial density, autophagy genes, and antimicrobial protein/peptide gene expression.

Methods

Mice (n = 8 per group) were treated with antibiotic cocktail and sacrificed at different intervals of recovery (days 3, 7, 10, 14, 21, 28, 35, and 42) post-antibiotics. DNA and RNA were extracted from small intestinal tissues. Bacterial density, expression of host autophagy genes, and AMP genes were analyzed by relative quantitative PCR. Fold change difference in comparison with untreated control group was calculated using 2^−ΔΔCt method. Statistical analysis was performed using nonparametric Mann–Whitney test.

Results

Gut bacterial density changed in a time-dependent fashion in response to antibiotic treatment. These changes were concurrent with upregulation of autophagy genes and antimicrobial peptide/protein gene expression. We further showed that an oral gavage of a resident microbe Desulfovibrio, which bloomed in antibiotic-treated animals, induced Atg5 and lysozyme (Lyz) gene expression.

Conclusion

Autophagy genes respond to dysbiosis induced by antibiotics. This response may be a host mechanism to detect and possibly correct dysbiosis by activating antimicrobial peptides/proteins that control the microbial load in the gut.

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Gastrointestinal endoscopy in patients receiving novel direct oral anticoagulants: results from the prospective Dresden NOAC registry

Abstract

Background

Patients receiving direct-acting, non-vitamin K oral anticoagulants (NOAC) frequently undergo gastrointestinal endoscopies (GIE) but little is known on the management and outcome of these interventions.

Methods

With use of data from an ongoing, prospective, noninterventional registry of NOAC patients, the management and outcome of GIE were evaluated with use of standard event definitions. Patients undergoing GIE were categorized into two subgroups: (1) scheduled GIE (scheduled appointment, no acute bleeding) and (2) unscheduled GIE (unscheduled including management of acute gastrointestinal bleeding). The rates of major bleeding complications, cardiovascular complications, and all-cause death within 30 days after the procedure were evaluated.

Results

Between October 1, 2011, and March 31, 2015, 492 patients underwent a total of 713 GIE (44.5% gastroscopies, 53.0% colonoscopies, 2.5% endoscopic retrograde cholangiopancreatography procedures), with 70.0% being scheduled procedures and 30.0% being unscheduled procedures. Endoscopies were performed within 24 h after the last NOAC intake in 45 of 713 cases (6.3%), between 24 and 48 h after the last intake in 336 cases (47.1%), and after NOAC therapy interruption for more than 48 h in 213 cases (29.9%). Heparin bridging therapy was used in 180 of 713 procedures (25.3%) and predominantly (170/180; 94.4%) in cases of NOAC therapy interruption for longer than 72 h. Until day 30 after the procedure, the event rates were 1.4% for cardiovascular events and 0.7% for major bleeding events.

Conclusion

Continuation or short-term interruption of NOAC therapy seems to be a safe strategy for GIE. Heparin bridging therapy is predominantly used in cases of prolonged NOAC therapy interruption.

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