American Journal of Gastroenterology




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Hepatocellular Carcinoma: A Contemporary Approach to Locoregional Therapy

Ahmed, Osman; Pillai, Anjana

doi : 10.14309/ajg.0000000000000931

November 2020 - Volume 115 - Issue 11 - p 1733-1736

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Colorectal Cancer Screening With the Multitarget Stool DNA Test

Kisiel, John B.; Limburg, Paul J.

doi : 10.14309/ajg.0000000000000968

November 2020 - Volume 115 - Issue 11 - p 1737-1740

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Myths and Misconceptions About Constipation: A New View for the 2020s

Staller, Kyle; Cash, Brooks D.

doi : 10.14309/ajg.0000000000000947

November 2020 - Volume 115 - Issue 11 - p 1741-1745

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Endoscopic Ultrasound-Guided Needle Aspiration Transversing the Portomesenteric Confluence. A Recklessness?

Garcia-Sumalla, Albert; Gornals, Joan B.

doi : 10.14309/ajg.0000000000000792

November 2020 - Volume 115 - Issue 11 - p 1746

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Oleogranuloma of the Rectum Mimic Malignancy

NG, Benjamin Kwan Lok; Su, Harvey Yu-Li; Tsai, Kai-Lung

doi : 10.14309/ajg.0000000000000776

November 2020 - Volume 115 - Issue 11 - p 1747

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Treatment of Bouveret Syndrome Using an Ultrathin Gastroscope: Making the Best out of a Tight Situation!

Kothari, Truptesh H.; Enslin, Sarah; Cheong, Janice; Kaul, Vivek; Ullah, Asad; Kothari, Shivangi

doi : 10.14309/ajg.0000000000000841

November 2020 - Volume 115 - Issue 11 - p 1748

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Continuing Medical Education Questions: November 2020

Park, James S.

doi : 10.14309/ajg.0000000000001017

November 2020 - Volume 115 - Issue 11 - p 1749

Article Title: Hyponatremia in Cirrhosis: An Update

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Continuing Medical Education Questions: November 2020

Richter, Seth J.

doi : 10.14309/ajg.0000000000001016

November 2020 - Volume 115 - Issue 11 - p 1750

Article Title: Use of Functional Lumen Imaging Probe (FLIP) in Clinical Esophagology

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Endoscopic Recognition and Management Strategies for Malignant Colorectal Polyps: Recommendations of the US Multi-Society Task Force on Colorectal Cancer

Shaukat, Aasma; Kaltenbach, Tonya; Dominitz, Jason A.; Robertson, Douglas J.; Anderson, Joseph C.; Cruise, Michael; Burke, Carol A.; Gupta, Samir; Lieberman, David; Syngal, Sapna; Rex, Douglas K.

doi : 10.14309/ajg.0000000000001013

November 2020 - Volume 115 - Issue 11 - p 1751-1767

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Effectiveness of Dose De-escalation of Biologic Therapy in Inflammatory Bowel Disease: A Systematic Review

Little, Derek H. W.; Tabatabavakili, Sahar; Shaffer, Seth R.; Nguyen, Geoffrey C.; Weizman, Adam V.; Targownik, Laura E.

doi : 10.14309/ajg.0000000000000783

November 2020 - Volume 115 - Issue 11 - p 1768-1774

De-escalation of biologic therapy is a commonly encountered clinical scenario. Although biologic discontinuation has been associated with high rates of relapse, the effectiveness of dose de-escalation is unclear. This review was performed to determine the effectiveness of dose de-escalation of biologic therapy in inflammatory bowel disease.

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Hyponatremia in Cirrhosis: An Update

Alukal, Joseph J.; John, Savio; Thuluvath, Paul J.

doi : 10.14309/ajg.0000000000000786

November 2020 - Volume 115 - Issue 11 - p 1775-1785

Hyponatremia is frequently seen in patients with ascites secondary to advanced cirrhosis and portal hypertension. Although not apparent in the early stages of cirrhosis, the progression of cirrhosis and portal hypertension leads to splanchnic vasodilation, and this leads to the activation of compensatory mechanisms such as renin-angiotensin-aldosterone system (RAAS), sympathetic nervous system, and antidiuretic hormone (ADH) to ameliorate low circulatory volume. The net effect is the avid retention of sodium and water to compensate for the low effective circulatory volume, resulting in the development of ascites.

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Use of the Functional Lumen Imaging Probe in Clinical Esophagology

Savarino, Edoardo; di Pietro, Massimiliano; Bredenoord, Albert J.; Carlson, Dustin A.; Clarke, John O.; Khan, Abraham; Vela, Marcelo F.; Yadlapati, Rena; Pohl, Daniel; Pandolfino, John E.; Roman, Sabine; Gyawali, C. Prakash

doi : 10.14309/ajg.0000000000000773

November 2020 - Volume 115 - Issue 11 - p 1786-1796

The functional lumen imaging probe (FLIP) measures luminal dimensions using impedance planimetry, performed most often during sedated upper endoscopy. Mechanical properties of the esophageal wall and opening dynamics of the esophagogastric junction (EGJ) can be objectively evaluated in esophageal motor disorders, eosinophilic esophagitis, esophageal strictures, during esophageal surgery and in postsurgical symptomatic states. Distensibility index, the ratio of EGJ cross sectional area to intraballoon pressure, is the most useful FLIP metric.

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Improving Hepatitis B Virus Vaccination Responses in Inflammatory Bowel Disease: Does Greater Dose and Greater Frequency Lead to Greater Protection?

Banty, Andrea; Melmed, Gil Y.

doi : 10.14309/ajg.0000000000000921

November 2020 - Volume 115 - Issue 11 - p 1797-1798

Prevention of hepatitis B (HBV) infection is particularly important for patients with inflammatory bowel disease because of risks of HBV reactivation on immunosuppressive therapies. However, immune responses to standard HBV vaccination regimens are suboptimal. Chaparro et al. compared immune responses to 2 vaccines, an adjuvanted HBV vaccine (Fendrix) and double-dosed standard vaccine (Engerix-B) using an accelerated, 4-dose regimen (0, 1, 2, and 6 months). Although the study did not demonstrate superiority of one vaccine over another, several lessons can be derived regarding immune response to vaccinations among patients with inflammatory bowel disease, including the need to consider nonstandard regimens for patients on immunosuppression. These lessons can be translated broadly, including to a potential future severe acute respiratory syndrome coronavirus 2 vaccine when one becomes available.

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Clinical Functional Lumen Imaging Probe Testing in Esophageal Disorders: A Need for Better Quality Evidence

Massey, Benson T.

doi : 10.14309/ajg.0000000000000974

November 2020 - Volume 115 - Issue 11 - p 1799-1801

In their article “Use of the Functional Lumen Imaging Probe in Clinical Esophagology,” Savarino et al. report the outcomes of a Grading of Recommendations Assessment, Development, and Evaluation analysis performed by experts in the use of functional lumen imaging probe (FLIP) evaluation of esophageal disorders. For essentially all clinical indications, the recommendation for use was conditional with a very low quality of evidence. FLIP is an expensive, invasive technology examining limited aspects of esophageal function. Its role in complementing or replacing existing technology is uncertain, particularly when compared with manometric testing with additional provocative studies. Performing properly designed studies to demonstrate FLIP's true effectiveness and cost-effectiveness will be costly.

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Fendrix vs Engerix-B for Primo-Vaccination Against Hepatitis B Infection in Patients With Inflammatory Bowel Disease: A Randomized Clinical Trial

Chaparro, Mar?a; Gordillo, Jordi; Domènech, Eugeni; Esteve, Maria; Barreiro-de Acosta, Manuel; Villoria, Albert; Iglesias-Flores, Eva; Blasi, Mercedes; Naves, Juan E.; Ben?tez, Olga; Nieto, Laura; Calvet, Xavier; Garc?a-S?nchez, Valle; Villagrasa, José Ram?n; Marin, Alicia C.; Donday, Mar?a G.; Abad-Santos, Francisco; Gisbert, Javier P.

doi : 10.14309/ajg.0000000000000926

November 2020 - Volume 115 - Issue 11 - p 1802-1811

To compare Engerix-B and Fendrix hepatitis B virus for primo vaccination in inflammatory bowel disease (IBD).

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Ustekinumab for Perianal Crohn's Disease: The BioLAP Multicenter Study From the GETAID

Chapuis-Biron, Constance; Kirchgesner, Julien; Pariente, Benjamin; Bouhnik, Yoram; Amiot, Aurélien; Viennot, Stéphanie; Serrero, Mélanie; Fumery, Mathurin; Allez, Matthieu; Siproudhis, Laurent; Buisson, Anthony; Pineton de Chambrun, Guillaume; Abitbol, Vered; Nancey, Stéphane; Caillo, Ludovic; Plastaras, Laurianne; Savoye, Guillaume; Chanteloup, Elise; Simon, Marion; Dib, Nina; Rajca, Sylvie; Amil, Morgane; Parmentier, Anne-Laure; Peyrin-Biroulet, Laurent; Vuitton, Lucine; the GETAID BioLAP Study Group

doi : 10.14309/ajg.0000000000000810

November 2020 - Volume 115 - Issue 11 - p 1812-1820

New therapeutic options for patients with Crohn's disease (CD) with perianal lesions failing anti–tumor necrosis factor (TNF) agents are needed. We aimed to assess the effectiveness of ustekinumab in perianal CD (pCD) and predictors of clinical success in a real-life multicenter cohort.

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Healthcare Resource Utilization and Costs in Celiac Disease: A US Claims Analysis

Cappell, Katherine; Taylor, Aliki; Johnson, Barbara H.; Gelwicks, Steve; Wang, Song; Gerber, Michele; Leffler, Daniel A.

doi : 10.14309/ajg.0000000000000759

November 2020 - Volume 115 - Issue 11 - p 1821-1829

Celiac disease (CeD) is a lifelong immune-mediated enteropathy in which dietary gluten triggers an inflammatory reaction in the small intestine. This retrospective cohort study examines healthcare resource utilization (HRU) and costs between patients with CeD and matched controls.

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Pediatric Solid Gastric Emptying Scintigraphy: Normative Value Guidelines and Nonstandard Meal Alternatives

Ng, Thomas S.C.; Putta, Niharika; Kwatra, Neha S.; Drubach, Laura A.; Rosen, Rachel; Fahey, Frederic H.; Flores, Alejandro; Nurko, Samuel; Voss, Stephan D.

doi : 10.14309/ajg.0000000000000831

November 2020 - Volume 115 - Issue 11 - p 1830-1839

Adult standards for gastric emptying scintigraphy, including the type of meal and range of normative values for percent gastric emptying, are routinely used in pediatric practice, but to date have not been validated. The purpose of this study is to determine whether the use of adult criteria for gastric emptying scintigraphy is valid for children and whether alternative nonstandard meals can also be offered based on these criteria.

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Glycemic Status, Insulin Resistance, and Risk of Pancreatic Cancer Mortality in Individuals With and Without Diabetes

Kim, Nam Hee; Chang, Yoosoo; Lee, Sung Ryol; Ryu, Seungho; Kim, Hong Joo

doi : 10.14309/ajg.0000000000000956

November 2020 - Volume 115 - Issue 11 - p 1840-1848

The impact of glycemic status and insulin resistance on the risk of pancreatic cancer in the nondiabetic population remains uncertain. We aimed to examine the association of glycemic status and insulin resistance with pancreatic cancer mortality in individuals with and without diabetes.

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Improving Outcomes of Bariatric Surgery in Patients With Cirrhosis in the United States: A Nationwide Assessment

Are, Vijay S.; Knapp, Shannon M.; Banerjee, Ambar; Shamseddeen, Hani; Ghabril, Marwan; Orman, Eric; Patidar, Kavish R.; Chalasani, Naga; Desai, Archita P.

doi : 10.14309/ajg.0000000000000911

November 2020 - Volume 115 - Issue 11 - p 1849-1856

With increasing burden of obesity and liver disease in the United States, a better understanding of bariatric surgery in context of cirrhosis is needed. We described trends of hospital-based outcomes of bariatric surgery among cirrhotics and determined effect of volume status and type of surgery on these outcomes.

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In Severe Alcoholic Hepatitis, Serum Keratin-18 Fragments Are Diagnostic, Prognostic, and Theragnostic Biomarkers

Atkinson, Stephen R.; Grove, Jane I.; Liebig, Stephanie; Astbury, Stuart; Vergis, Nikhil; Goldin, Robert; Quaglia, Alberto; Bantel, Heike; Guha, Indra Neil; Thursz, Mark R.; Newcombe, Paul; Strnad, Pavel; Aithal, Guruprasad P.

doi : 10.14309/ajg.0000000000000912

November 2020 - Volume 115 - Issue 11 - p 1857-1868

Up to 40% of patients with severe alcoholic hepatitis (AH) die within 6 months of presentation, making prompt diagnosis and appropriate treatment essential. We determined the associations between serum keratin-18 (K18) and histological features, prognosis, and differential response to prednisolone in patients with severe AH.

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An Analysis of the GIQuIC Nationwide Quality Registry Reveals Unnecessary Surveillance Endoscopies in Patients With Normal and Irregular Z-Lines

Wani, Sachin; Williams, J. Lucas; Falk, Gary W.; Komanduri, Srinadh; Muthusamy, V. Raman; Shaheen, Nicholas J.

doi : 10.14309/ajg.0000000000000960

November 2020 - Volume 115 - Issue 11 - p 1869-1878

Population-based estimates of adherence to Barrett's esophagus (BE) guidelines are not available. Using a national registry, we assessed surveillance intervals for patients with normal and irregular Z-lines based on the presence or absence of intestinal metaplasia (IM) and among patients with suspected or confirmed BE.

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Multifocal Cryoballoon Ablation for Eradication of Barrett's Esophagus-Related Neoplasia: A Prospective Multicenter Clinical Trial

Canto, Marcia Irene; Trindade, Arvind J.; Abrams, Julian; Rosenblum, Michael; Dumot, John; Chak, Amitabh; Iyer, Prasad; Diehl, David; Khara, Harshit S.; Corbett, F. Scott; McKinley, Matthew; Shin, Eun Ji; Waxman, Irving; Infantolino, Anthony; Tofani, Christina; Samarasena, Jason; Chang, Kenneth; Wang, Bingkai; Goldblum, John; Voltaggio, Lysandra; Montgomery, Elizabeth; Lightdale, Charles J.; Shaheen, Nicholas J.

doi : 10.14309/ajg.0000000000000822

November 2020 - Volume 115 - Issue 11 - p 1879-1890

Ablation of Barrett's esophagus (BE) is the preferred approach for the treatment of neoplasia without visible lesions. Limited data on cryoballoon ablation (CBA) suggest its potential clinical utility. We evaluated the safety and efficacy of CBA in a multicenter study of patients with neoplastic BE.

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Evidence of Duodenal Epithelial Barrier Impairment and Increased Pyroptosis in Patients With Functional Dyspepsia on Confocal Laser Endomicroscopy and “Ex Vivo” Mucosa Analysis

Nojkov, Borko; Zhou, Shi-Yi; Dolan, Russell D.; Davis, Elisabeth M.; Appelman, Henry D.; Guo, Xueyan; Jackson, Kenya; Sturm, Matthew B.; Wang, Thomas D.; Owyang, Chung; Liu, Julia J.; Chey, William D.

doi : 10.14309/ajg.0000000000000827

November 2020 - Volume 115 - Issue 11 - p 1891-1901

Duodenal epithelial barrier impairment and immune activation may play a role in the pathogenesis of functional dyspepsia (FD). This study was aimed to evaluate the duodenal epithelium of patients with FD and healthy individuals for detectable microscopic structural abnormalities.

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Normal Lactate and Unenhanced CT-Scan Result in Delayed Diagnosis of Acute Mesenteric Ischemia

Nuzzo, Alexandre; Joly, Francisca; Ronot, Maxime; Castier, Yves; Huguet, Audrey; Paugam-Burtz, Catherine; Cazals-Hatem, Dominique; Tran-Dinh, Alexy; Becq, Aymeric; Panis, Yves; Bouhnik, Yoram; Maggiori, Leon; Corcos, Olivier

doi : 10.14309/ajg.0000000000000836

November 2020 - Volume 115 - Issue 11 - p 1902-1905

To investigate the factors associated with a delayed diagnosis (DD) of acute mesenteric ischemia (AMI).

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Three-Dimensional-Printed Liver Model Helps Learners Identify Hepatic Subsegments: A Randomized-Controlled Cross-Over Trial

Chedid, Victor G.; Kamath, Amika A.; M. Knudsen, John; Frimannsdottir, Katrin; Yost, Kathleen J.; R. Geske, Jennifer; Morris, Jonathan M.; Taner, Timucin; Matsumoto, Jane M.; Kamath, Patrick S.

doi : 10.14309/ajg.0000000000000958

November 2020 - Volume 115 - Issue 11 - p 1906-1910

The purpose of this study was to find out whether 3-dimensional (3D)–printed models improved the learners' ability to identify liver segments.

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Sarcopenia Does Not Worsen Survival in Patients With Cirrhosis Undergoing Transjugular Intrahepatic Portosystemic Shunt for Refractory Ascites

Benmassaoud, Amine; Roccarina, Davide; Arico, Francesco; Leandro, Gioacchino; Yu, Becky; Cheng, Felix; Yu, Dominic; Patch, David; Tsochatzis, Emmanuel

doi : 10.14309/ajg.0000000000000959

November 2020 - Volume 115 - Issue 11 - p 1911-1914

The impact of sarcopenia in patients undergoing transjugular intrahepatic portosystemic shunt (TIPSS) insertion for refractory ascites is unknown.

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Long-Term Self-Expandable Metal Stent (SEMS) for Esophageal Variceal Bleeding: A Picture of the Natural History

Santos, Sara; Sim?es, Guilherme; Lemos, Joana; Saiote, Joana; Loureiro, Rafaela; Seves, Isabel

doi : 10.14309/ajg.0000000000000802

November 2020 - Volume 115 - Issue 11 - p 1915-1917

We aim to discuss the utility of self-expandable esophageal metal stent (SEMS) in variceal bleeding in challenging cases.

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Proton Pump Inhibitors and Mortality in Individuals With COVID-19

Aby, Elizabeth S.; Rodin, Holly; Debes, Jose D.

doi : 10.14309/ajg.0000000000000992

November 2020 - Volume 115 - Issue 11 - p 1918

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Regarding “Increased Risk of COVID-19 in Patients Taking Proton Pump Inhibitors”

Hajifathalian, Kaveh; Katz, Philip O.

doi : 10.14309/ajg.0000000000000920

November 2020 - Volume 115 - Issue 11 - p 1918-1919

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Risk of COVID-19 in Patients Taking Proton Pump Inhibitors

Hadi, Yousaf B.; Naqvi, Syeda Fatima; Kupec, Justin T.

doi : 10.14309/ajg.0000000000000949

November 2020 - Volume 115 - Issue 11 - p 1919-1920

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Are Proton Pump Inhibitors Contributing to SARS-COV-2 Infection?

Tarlow, Branden; Gubatan, John; Khan, Muhammad Ali; Cholankeril, George

doi : 10.14309/ajg.0000000000000933

November 2020 - Volume 115 - Issue 11 - p 1920-1921

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Comment on Increased Risk of COVID-19 Among Users of Proton Pump Inhibitors

Boushey, Homer; Gonda, Igor

doi : 10.14309/ajg.0000000000001014

November 2020 - Volume 115 - Issue 11 - p 1921

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Response to Hajifathalian and Katz Regarding Increased Risk of COVID-19 Among Users of Proton Pump Inhibitors

Almario, Christopher V.; Chey, William D.; Spiegel, Brennan M.R.

doi : 10.14309/ajg.0000000000000993

November 2020 - Volume 115 - Issue 11 - p 1922-1923

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Data Visualization in the Era of COVID-19: An Interactive Map of the SECURE-IBD Registry

Windsor, Joseph W.; Underwood, Fox E.; Brenner, Erica; Colombel, Jean-Frederic; Kappelman, Michael D.; Ungaro, Ryan; Zhang, Xian; Kaplan, Gilaad G.

doi : 10.14309/ajg.0000000000000953

November 2020 - Volume 115 - Issue 11 - p 1923-1924

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Calendar of Courses, Symposiums and Conferences

doi : 10.14309/ajg.0000000000001019

November 2020 - Volume 115 - Issue 11 - p 1925

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