1,003 results match your criteria Annals of Gastroenterology & Hepatology [Journal]


Authors' reply.

Ann Gastroenterol 2020 Jul-Aug;33(4):441-442. Epub 2020 May 10.

Gastroenterology Department, Faculty of Medicine, Centro Hospitalar de São João, Porto, Portugal.

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http://dx.doi.org/10.20524/aog.2020.0490DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315713PMC

Nuances in diagnosis and management of acute esophageal necrosis.

Ann Gastroenterol 2020 Jul-Aug;33(4):440-441. Epub 2020 May 10.

Department of Medicine, Division of Gastroenterology, New York University School of Medicine/Langone Medical Center, NY, USA.

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http://dx.doi.org/10.20524/aog.2020.0488DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315703PMC

Quality assessment in gastroenterological research: publication rates of meta-analyses.

Ann Gastroenterol 2020 Jul-Aug;33(4):439-440. Epub 2020 May 15.

Division of Gastroenterology and Hepatology, University of Utah School of Medicine, Huntsman Cancer Center, Salt Lake City, UT (Douglas G. Adler), USA.

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http://dx.doi.org/10.20524/aog.2020.0493DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315715PMC

Cholangitis with large common bile duct dilatation caused by choledochal macrolithiasis.

Ann Gastroenterol 2020 Jul-Aug;33(4):438. Epub 2020 Mar 27.

Division of Gastroenterology, Riviera-Chablais Hospital (HRC), Rennaz (Domenico Galasso), Switzerland.

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http://dx.doi.org/10.20524/aog.2020.0471DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315712PMC

Linked color imaging and blue light imaging for evaluating a depressed-type adenoma in the colon.

Ann Gastroenterol 2020 Jul-Aug;33(4):437. Epub 2020 Mar 14.

Department of Internal Medicine & Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.

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http://dx.doi.org/10.20524/aog.2020.0466DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315711PMC

Ligation-assisted endoscopic full-thickness resection with over-the-scope clip targeted for neuroendocrine tumors.

Ann Gastroenterol 2020 Jul-Aug;33(4):436. Epub 2020 Mar 14.

Departments of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan (Hideki Kobara, Noriko Nishiyama, Shintaro Fujihara, Tsutomu Masaki).

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http://dx.doi.org/10.20524/aog.2020.0468DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315704PMC

Pyoderma gangrenosum associated with chronic refractory pouchitis: a case successfully treated with infliximab.

Ann Gastroenterol 2020 Jul-Aug;33(4):433-435. Epub 2020 May 28.

Department of Gastroenterology (Eleni Orfanoudaki, Angeliki Machaira, Ioannis E. Koutroubakis).

Pouchitis-associated pyoderma gangrenosum (PG) is rare, with only a few cases reported in the literature. Here we report a rare case of chronic refractory pouchitis-associated PG successfully treated with infliximab (IFX). A 43-year-old Caucasian male, with a past medical history of chronic refractory pouchitis after proctocolectomy and ileal pouch-anal anastomosis for severe ulcerative colitis, developed PG on his right lower leg. Read More

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http://dx.doi.org/10.20524/aog.2020.0500DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315701PMC

Efficacy and safety of plastic versus lumen-apposing metal stents for transmural drainage of walled-off necrosis: a retrospective single-center study.

Ann Gastroenterol 2020 Jul-Aug;33(4):426-432. Epub 2020 May 25.

Departments of Division of Surgical Gastroenterology, Department of Surgery (Rajesh Gupta), Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.

Background: Lumen-apposing metal stents (LAMS) were considered a breakthrough in the endoscopic management of walled-off necrosis (WON), as their larger drainage diameter was expected to provide effective drainage of necrotic material. However, various studies and meta-analyses that have compared plastic and metal stents for the treatment of WON have shown conflicting results. We retrospectively compared the efficacy and safety of endoscopic transmural drainage between multiple plastic stents and LAMS. Read More

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http://dx.doi.org/10.20524/aog.2020.0499DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315708PMC

Finding a needle in a haystack: Endoscopic ultrasound-guided fine-needle aspiration for solid pancreatic masses in the setting of chronic pancreatitis.

Ann Gastroenterol 2020 Jul-Aug;33(4):418-425. Epub 2020 May 10.

Division of Gastroenterology and Hepatology (Bhaveshkumar Patel, Muslim Atiq).

Background: The mainstay for the definitive diagnosis of pancreatic lesions is endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). However, there is evidence that EUS-FNA has low sensitivity in the setting of chronic pancreatitis (CP). This single-center retrospective study aimed to compare and analyze the diagnostic yield of EUS-FNA for solid pancreatic lesions in the presence and absence of CP, and to further investigate strategies for overcoming the low diagnostic yield in the setting of CP. Read More

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http://dx.doi.org/10.20524/aog.2020.0484DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315714PMC

Rectal versus intramuscular diclofenac in prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis: experience of a Greek tertiary referral center.

Ann Gastroenterol 2020 Jul-Aug;33(4):412-417. Epub 2020 May 10.

Department of Gastroenterology (Ioannis Kalantzis, Androniki Poulou, Konstantinos Gkoumas).

Background: Independent patient-related and procedure-related factors increase the risk of pancreatitis after endoscopic retrograde cholangiopancreatography (post-ERCP pancreatitis [PEP]). Non-steroidal anti-inflammatory drugs (NSAIDs) have demonstrated efficacy in reducing the incidence of PEP. This study investigated the difference in the incidence of PEP between intramuscular and rectal prophylactic administration of diclofenac before ERCP. Read More

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http://dx.doi.org/10.20524/aog.2020.0487DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315719PMC

Rectal indomethacin reduces the risk of post-endoscopic retrograde cholangiopancreatography pancreatitis in low-risk patients.

Ann Gastroenterol 2020 Jul-Aug;33(4):405-411. Epub 2020 May 15.

Division of Gastroenterology and Hepatology, Baylor College of Medicine, Houston, Texas (Mohamed O. Othman), USA.

Background: Evidence shows that rectal indomethacin (RI) reduces the risk of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP) in high-risk patients. The prophylactic role of RI in low-risk patients has not yet been identified. The objective of our study was to evaluate the impact of RI in preventing PEP in low-risk patients. Read More

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http://dx.doi.org/10.20524/aog.2020.0492DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315706PMC

Mean platelet volume in acute pancreatitis: a systematic review and meta-analysis.

Ann Gastroenterol 2020 Jul-Aug;33(4):398-404. Epub 2020 May 15.

First Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis (Vasileios P. Papadopoulos, Konstantinos P. Mimidis).

Background: Several studies have suggested there may be statistically significant differences in mean platelet volume (MPV) between the onset and remission of acute pancreatitis (AP). This systematic review and meta-analysis aimed to better characterize the correlation between MPV and AP by identifying all relevant studies and summarizing their results.

Methods: A comprehensive literature review was conducted using EMBASE, PubMed/MEDLINE, Cochrane Library, ClinicalTrials. Read More

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http://dx.doi.org/10.20524/aog.2020.0495DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315699PMC

Feasibility of endoscopic ultrasound-guided gallbladder drainage for acute cholecystitis patients receiving antithrombotic therapy.

Ann Gastroenterol 2020 Jul-Aug;33(4):391-397. Epub 2020 May 15.

Department of Endoscopy, New Tokyo Hospital, Chiba (Yuji Amano), Japan.

Background: Endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) as a treatment for patients with acute cholecystitis has been shown to obtain high technical and clinical success rates and a low recurrence rate. However, the safety of EUS-GBD for patients receiving antithrombotic therapy (ATT) has not been proven. The aim was to evaluate the safety and efficacy of EUS-GBD in patients receiving ATT. Read More

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http://dx.doi.org/10.20524/aog.2020.0496DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315717PMC

Comparison between cap-assisted and ligation-assisted endoscopic mucosal resection for rectal neuroendocrine tumors.

Ann Gastroenterol 2020 Jul-Aug;33(4):385-390. Epub 2020 May 10.

Division of Gastroenterology and Hepatology, Department of Internal Medicine (Jin Lee, Yong Eun Park, Joon Hyuk Choi, Nae-Yun Heo, Jongha Park, Seung Ha Park, Young Soo Moon, Tae Oh Kim).

Background: Modified endoscopic mucosal resection (EMR) is considered a treatment option for rectal neuroendocrine tumors (NETs) <10 mm in diameter. In this study, we evaluated the clinical outcomes of cap-assisted EMR (EMR-C) and EMR with a ligating device (EMR-L).

Methods: We retrospectively analyzed 158 patients with 162 rectal NETs treated endoscopically at a single Korean tertiary hospital between March 2010 and November 2017. Read More

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http://dx.doi.org/10.20524/aog.2020.0485DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315720PMC

Efficacy and safety of underwater endoscopic mucosal resection for superficial non-ampullary duodenal epithelial tumors: a systematic review and meta-analysis.

Ann Gastroenterol 2020 Jul-Aug;33(4):379-384. Epub 2020 May 30.

Division of Gastroenterology and Hepatology, University of Utah School of Medicine, Salt Lake City UT (Douglas G. Adler), USA.

Background: Superficial non-ampullary duodenal epithelial tumors (SNADET) are increasingly found during upper endoscopy. Underwater endoscopic mucosal resection (UEMR) is an emerging technique for the endoscopic resection of SNADET. We performed a systematic review and meta-analysis to evaluate the efficacy and safety of this technique. Read More

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http://dx.doi.org/10.20524/aog.2020.0504DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315707PMC

Implementing visual cues to improve the efficacy of screening colonoscopy: exploiting the Hawthorne effect.

Ann Gastroenterol 2020 Jul-Aug;33(4):374-378. Epub 2020 May 10.

Division of Gastroenterology and Hepatology, SBH Health System, New York (Eric Omar Then, Christopher Brana, Sriharsha Dadana, Srikanth Maddika, Sabrina Brana, Tina Wexler, Andrea Culliford, Vinaya Gaduputi).

Background: Colonoscopy is the gold standard for colon cancer screening. Adenoma detection rate and a withdrawal time of 6 min are quality metrics to measure the efficacy of colonoscopy in colon cancer screening. The aim of our study was to exploit the Hawthorne effect in an effort to ensure adherence to a minimum 6-min withdrawal time and subsequently increase adenoma detection rate. Read More

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http://dx.doi.org/10.20524/aog.2020.0491DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315716PMC

Endoscopic sedation practices of Greek gastroenterologists: a nationwide survey.

Ann Gastroenterol 2020 Jul-Aug;33(4):366-373. Epub 2020 May 15.

First Propaedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece (Adonis A. Protopapas, Evangelos Stournaras, Georgios Neokosmidis, Dimitrios Stogiannou, Athanasios Filippidis, Andreas N. Protopapas).

Background: Sedation in gastrointestinal endoscopy is rapidly evolving worldwide. However, this has led to significant disagreements, especially regarding the use of propofol by non-anesthesiologists. The aim of this study was to document the practices of Greek gastroenterologists regarding sedation and compare them to previous surveys. Read More

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http://dx.doi.org/10.20524/aog.2020.0494DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315718PMC

Gastrointestinal involvement in COVID-19: a systematic review and meta-analysis.

Authors:
Theodore Rokkas

Ann Gastroenterol 2020 Jul-Aug;33(4):355-365. Epub 2020 Jun 6.

Gastroenterology Clinic, Henry Dunant Hospital, Athens, Greece.

Background: Patients with COVID-19 usually manifest fever and respiratory symptoms. However, some patients also experience gastrointestinal (GI) symptoms such as diarrhea, vomiting and abdominal pain. In addition, SARS-CoV-2 RNA has been detected in feces of infected patients. Read More

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http://dx.doi.org/10.20524/aog.2020.0506DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315709PMC

Red cell distribution width as a marker of activity in inflammatory bowel disease: a narrative review.

Ann Gastroenterol 2020 Jul-Aug;33(4):348-354. Epub 2020 May 10.

Gastroenterology and Hepatology Division of the Second Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippokration Hospital (Marios Katsaros, Olga Giouleme).

Red blood cell distribution width is a parameter measured automatically in every complete blood count that actually reflects the degree of anisocytosis of the red blood cell population. It is a cost-effective tool used in everyday clinical practice along with other parameters to define and narrow the cause of anemia. In a series of pathologic entities, such as cardiovascular diseases, autoimmune diseases, malignancy, chronic renal diseases and chronic respiratory diseases, where inflammation and oxidative stress comprise the major pathophysiologic insults, red cell distribution width behaves as a significant and competent marker able to predict and assess disease activity and severity. Read More

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http://dx.doi.org/10.20524/aog.2020.0486DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315702PMC

Advances in the endoscopic management of malignant biliary obstruction.

Ann Gastroenterol 2020 Jul-Aug;33(4):338-347. Epub 2020 May 25.

Johannes Gutenberg University, Mainz, Germany (Thomas Thomaidis, Visvakanth Sivanathan, Markus Moehler).

Biliary obstruction is common in pancreatobiliary malignancies and has a negative impact on the patient's quality of life, postoperative complications, and survival rates. Particularly in the last decade, there has been enormous progress regarding the diagnostic and therapeutic options in patients with malignant biliary obstruction. Endoscopy has given a new insight in this direction and novel techniques have been developed for the better characterization and treatment of malignant strictures. Read More

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http://dx.doi.org/10.20524/aog.2020.0497DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315700PMC

Biodegradable esophageal stents for the treatment of refractory benign esophageal strictures.

Ann Gastroenterol 2020 Jul-Aug;33(4):330-337. Epub 2020 Apr 13.

Hepatogastroenterology Unit, 2 Department of Internal Medicine, "Attikon" University General Hospital, Medical School, National and Kapodistrian University of Athens, Greece (Georgios Tziatzios, Konstantinos Triantafyllou, Ioannis S. Papanikolaou).

This review attempts to present the available evidence regarding the use of biodegradable stents in refractory benign esophageal strictures, especially highlighting their impact on clinical success and complications. A comprehensive literature search was conducted in PubMed, using the terms "biodegradable" and "benign"; evidence from cohort and comparative studies, as well as data from one pooled analysis and one meta-analysis are presented. In summary, the results from these studies indicate that the effectiveness of biodegradable stents ranges from more than one third to a quarter of cases, fairly similar to other types of stents used for the same indication. Read More

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http://dx.doi.org/10.20524/aog.2020.0482DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315705PMC

Preliminary considerations regarding the risk of COVID-19 and disease severity in chronic gastrointestinal conditions.

Ann Gastroenterol 2020 Jul-Aug;33(4):327-329. Epub 2020 May 25.

Gastroenterology and Digestive Endoscopy, General Hospital of Perugia (Raffaele Manta), Italy.

The novel RNA betacoronavirus SARS-CoV-2 is driving great efforts in clinical and basic research and several studies of the epidemiology, risk factors, clinical and virological features of this infection are already available. However COVID-19 is a totally new pathological entity, and many gray areas regarding associated diseases still need to be elucidated, especially in the group of patients who suffer from preexistent gastrointestinal disease. The aim of this review is to summarize the published data on the correlation between chronic gastrointestinal disorders and COVID-19. Read More

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http://dx.doi.org/10.20524/aog.2020.0498DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315710PMC

Should the economic pillar be included in national, European or global consensuses concerning infection treatments?

Ann Gastroenterol 2020 May-Jun;33(3):326. Epub 2020 Mar 14.

Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Macedonia (Jannis Kountouras), Greece.

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http://dx.doi.org/10.20524/aog.2020.0462DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196624PMC

Authors' reply.

Ann Gastroenterol 2020 May-Jun;33(3):325. Epub 2020 Mar 27.

GI Department Henry Dynant Hospital, Athens, Greece.

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http://dx.doi.org/10.20524/aog.2020.0472DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196615PMC

National consensus on infection: the next-day challenge.

Ann Gastroenterol 2020 May-Jun;33(3):324-325. Epub 2020 Mar 27.

Department of Internal Medicine, Second Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Macedonia, Greece (Apostolis Papaefthymiou, Michael Doulberis, Jannis Kountouras).

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http://dx.doi.org/10.20524/aog.2020.0469DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196622PMC

Complementary role of F-FDG and Ga-DOTATATE PET/CT in the surveillance of patients with von Hippel-Lindau syndrome.

Ann Gastroenterol 2020 May-Jun;33(3):323. Epub 2020 Mar 14.

Positron Emission Tomography (PET) Department, Clinical Center (CC), National Institutes of Health (NIH), Bethesda, Maryland, USA (Corina Millo).

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http://dx.doi.org/10.20524/aog.2020.0465DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196616PMC

Fish bone perforation of the duodenum.

Ann Gastroenterol 2020 May-Jun;33(3):322. Epub 2020 Feb 12.

Department of Endoscopy (Yuji Amano), New Tokyo Hospital, Chiba, Japan.

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http://dx.doi.org/10.20524/aog.2020.0456DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196621PMC
February 2020

Esophagogastroduodenoscopy-induced angina bullosa hemorrhagica of the pharynx.

Ann Gastroenterol 2020 May-Jun;33(3):321. Epub 2020 Mar 27.

Department of Gastroenterology and Hepatology (Kenta Hamada, Yuka Obayashi, Hiroyuki Okada).

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http://dx.doi.org/10.20524/aog.2020.0473DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196610PMC

Curative embolization of iatrogenic inferior mesenteric arteriovenous fistula 14 years after right hemicolectomy.

Ann Gastroenterol 2020 May-Jun;33(3):318-320. Epub 2020 Mar 14.

Department of Radiology, Interventional Radiology Unit, AHEPA University Hospital of Thessaloniki (Adam Hatzidakis), Greece.

Inferior mesenteric arteriovenous fistula (IMAVF) is a rare condition with 40 reported cases. It can be of congenital, idiopathic or acquired etiology. Acquired IMAVF occurs after trauma or has an iatrogenic origin due to abdominal interventions, mainly operations involving the left hemi-colon. Read More

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http://dx.doi.org/10.20524/aog.2020.0463DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196613PMC

Clinical manifestations, imaging features, and endoscopic management of renal pseudocysts: a case series.

Ann Gastroenterol 2020 May-Jun;33(3):313-317. Epub 2020 Apr 3.

Department of Surgery (Rajesh Gupta), Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.

Background: Renal pseudocysts (RP) are rare and we know little about their presentation and management. In the present case series, we present the pertinent clinico-radiological features as well as the role of endoscopic drainage in symptomatic RP.

Methods: A retrospective analysis was performed of patients with RP seen in our unit over the last 12 years. Read More

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http://dx.doi.org/10.20524/aog.2020.0476DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196611PMC

Endoscopic ultrasound as a diagnostic and predictive tool in idiopathic acute pancreatitis.

Ann Gastroenterol 2020 May-Jun;33(3):305-312. Epub 2020 Mar 14.

Department of Gastroenterology and Hepatology, "Virgen de las Nieves" University Hospital, Complejo Hospitalario Universitario de Granada, Granada, Spain (Francisco Valverde-López, Eva Julissa Ortega-Suazo, Maria Carmen Fernandez-Cano, Juan Gabriel Martínez-Cara, Eduardo Redondo-Cerezo).

Background: Endoscopic ultrasound (EUS) is useful in the diagnostic workup of idiopathic acute pancreatitis but its role as a predictor of recurrence has not been thoroughly assessed. Our aim was to study the performance of EUS in idiopathic acute pancreatitis, its impact on the natural history of the disease, and the factors related to recurrence.

Methods: Patients with idiopathic acute pancreatitis referred to our endoscopy unit were enrolled and followed, with assessment of the performance of endoscopic retrograde cholangiopancreatography (ERCP), cholecystectomy, and the incidence of recurrence. Read More

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http://dx.doi.org/10.20524/aog.2020.0464DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196619PMC

A prospective nationwide study on the impact of the level of sedation on cannulation success and complications of endoscopic retrograde cholangiopancreatography.

Ann Gastroenterol 2020 May-Jun;33(3):299-304. Epub 2020 Apr 13.

Department Surgical and Perioperative Sciences, Umeå University, Sunderby Research Unit, Umeå (Lars Enochsson), Sweden.

Background: Difficult or unsuccessful cannulation of the papilla of Vater is associated with complications during endoscopic retrograde cholangiopancreatography (ERCP). The aim of this study was to investigate whether deep sedation facilitates the cannulation and reduces the complication rate.

Methods: Nationwide data from ERCP procedures were registered prospectively in the web-based Swedish Registry for Gallstone Surgery and ERCP (GallRiks). Read More

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http://dx.doi.org/10.20524/aog.2020.0480DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196618PMC

Decreased risk of hepatocellular carcinoma recurrence with direct-acting antivirals compared with no treatment for hepatitis C: a meta-analysis.

Ann Gastroenterol 2020 May-Jun;33(3):293-298. Epub 2020 Mar 27.

Department of Gastroenterology and Hepatology (Felix H. Lui, Alex Duong, Jacqueline Duong, Douglas L. Nguyen).

Background: Studies investigating the association between direct-acting antivirals (DAAs) and the recurrence of hepatocellular carcinoma (HCC) related to hepatitis C (HCV) have yielded conflicting results. The objective of this meta-analysis was to define the short- and long-term recurrence rates of HCC after DAA treatment.

Methods: A search of multiple databases was performed, including Scopus, Cochrane, MEDLINE/PubMed and abstracts from gastroenterology meetings. Read More

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http://dx.doi.org/10.20524/aog.2020.0470DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196608PMC

Efficacy and safety of new direct-acting antivirals in kidney transplant recipients with chronic hepatitis C: a single-center study.

Ann Gastroenterol 2020 May-Jun;33(3):285-292. Epub 2020 Apr 14.

Academic Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, Athens, Greece.

Background: The recent interferon-free direct-acting antiviral (DAA) regimens have very good safety and efficacy profiles and are highly recommended for kidney transplant (KT) recipients with chronic hepatitis C (CHC).

Methods: All KT recipients with CHC followed at our hospital and who received therapy with the current DAAs were included. At the baseline visit, demographic, clinical and laboratory variables before and after KT, as well as at the commencement of DAAs, at the end of antiviral therapy and the end of follow up, were recorded, including assessment of glomerular filtration rate (eGFR). Read More

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http://dx.doi.org/10.20524/aog.2020.0481DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196623PMC

Use of proton pump inhibitors is associated with a higher risk of pneumonia in cirrhotic patients: a systematic review and meta-analysis.

Ann Gastroenterol 2020 May-Jun;33(3):277-284. Epub 2020 Apr 13.

Clinical Epidemiology Unit, Department of Research and Development, Faculty of Medicine (Patompong Ungprasert), Siriraj Hospital, Mahidol University, Bangkok, Thailand.

Background: Proton pump inhibitors (PPIs) are commonly prescribed for cirrhotic patients. However, the use of PPIs in these patients may increase the risk of bacterial infection. The current study aimed to investigate the risk of developing pneumonia among cirrhotic patients exposed to PPIs. Read More

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http://dx.doi.org/10.20524/aog.2020.0483DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196626PMC

Association of liver cirrhosis severity with anemia: does it matter?

Ann Gastroenterol 2020 May-Jun;33(3):272-276. Epub 2020 Apr 13.

Department of Internal Medicine, Armed Forces Medical College, Pune (Manish Manrai, Parvathi V.S., Basant Pathak).

Background: The etiology of anemia in liver disease is diverse and often multifactorial. Anemia is more severe in advanced stages of liver cirrhosis and can be a predictor of the severity of liver disease.

Methods: In this cross-sectional observational study, we included 181 cirrhotic patients with anemia owing to liver cirrhosis and its complications. Read More

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http://dx.doi.org/10.20524/aog.2020.0478DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196620PMC

Short- and long-term outcomes of endoscopic submucosal dissection for non-ampullary duodenal neuroendocrine tumors.

Ann Gastroenterol 2020 May-Jun;33(3):265-271. Epub 2020 Apr 13.

Department of Gastoenterology, Yokohama City University Guraduate School of Medicine (Shin Maeda), Japan.

Background: Endoscopic resection is recommended for non-ampullary duodenal neuroendocrine tumors (NAD-NETs) ≤10 mm in diameter and confined to the submucosal layer, without lymph node or distant metastasis. However, the efficacy and safety of endoscopic submucosal dissection (ESD) for NAD-NET remains unclear. The aim of this study was to assess the short-term efficacy and safety and the long-term outcomes of ESD for NAD-NET. Read More

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http://dx.doi.org/10.20524/aog.2020.0477DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196614PMC

Next-generation laser-based photodynamic endoscopic diagnosis using 5-aminolevulinic acid for early gastric adenocarcinoma and gastric adenoma.

Ann Gastroenterol 2020 May-Jun;33(3):257-264. Epub 2020 Apr 13.

Division of Medicine and Clinical Science, Tottori University Faculty of Medicine, Tottori, Japan.

Background: Photodynamic diagnosis (PDD) is an optical imaging technology based on the fundamental biological features of porphyrin metabolized in cancer cells. We reported the usefulness of laser-based photodynamic endoscopic diagnosis (LPDED) with 5-aminolevulinic acid (5-ALA) for early gastric cancers. However, the first-generation prototype endoscope system had the flaw that the images captured were rather dark. Read More

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http://dx.doi.org/10.20524/aog.2020.0479DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196625PMC

The impact of risk factors on gastroparesis at an urban medical center.

Ann Gastroenterol 2020 May-Jun;33(3):250-256. Epub 2020 Apr 2.

Department of Medicine, Division of Gastroenterology and Hepatology, Thomas Jefferson University, Philadelphia, PA (Joseph Yoo, Stephanie Moleski, Anthony J. DiMarino).

Background: Gastroparesis is a complex and poorly understood disease. The literature is lacking with respect to the epidemiology of patient comorbidities and their effect on gastric emptying. We aimed to describe the most common comorbid conditions among patients with gastroparesis in an urban population and quantify the effect of these comorbidities on the severity of delayed gastric emptying (DGE). Read More

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http://dx.doi.org/10.20524/aog.2020.0475DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196617PMC

Pulmonary manifestations of chronic liver disease: a comprehensive review.

Ann Gastroenterol 2020 May-Jun;33(3):237-249. Epub 2020 Mar 27.

First Department of Internal Medicine, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens (Evangelos Cholongitas), Greece.

Hepatopulmonary syndrome (HPS) and porto-pulmonary hypertension (PoPH) represent relatively common pulmonary vascular complications of advanced liver disease. Despite distinct differences in their pathogenetic background, both clinical states are characterized by impaired arterial oxygenation and limited functional status, and are associated with increased pre-transplantation mortality. Accumulation of ascitic fluid in the pleural cavity, known as hepatic hydrothorax (HH), is another frequent manifestation of decompensated cirrhosis, which may cause severe respiratory dysfunction, depending on the volume of the effusion, the rapidity of its development and its resistance to therapeutic measures. Read More

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http://dx.doi.org/10.20524/aog.2020.0474DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196609PMC

Understanding the microbiome: a primer on the role of the microbiome in colorectal neoplasia.

Ann Gastroenterol 2020 May-Jun;33(3):223-236. Epub 2020 Mar 14.

Department of Surgery, Oregon Health & Science University, Portland, OR (Katherine M. Watson, Vassiliki Liana Tsikitis).

Colorectal cancer is a leading cause of cancer-related death internationally, with mounting evidence pointing to the role of the microbiome in adenoma and cancer development. This article aims to provide clinicians with a foundation for understanding the field of research into the microbiome. We also illustrate the various ways in which the microbiota have been linked to colorectal cancer, with a specific focus on microbiota with identified virulence factors, and also on the ways that byproducts of microbiota metabolism may result in oncogenesis. Read More

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http://dx.doi.org/10.20524/aog.2020.0467DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196612PMC

A selective approach for colonoscopy after acute diverticulitis.

Ann Gastroenterol 2020 Mar-Apr;33(2):222. Epub 2020 Feb 14.

Department of Gastroenterology, Amato Lusitano Hospital, Castelo Branco, Portugal.

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http://dx.doi.org/10.20524/aog.2020.0461DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049231PMC
February 2020

Hemorrhoid through fistula-in-ano: a rare event case.

Ann Gastroenterol 2020 Mar-Apr;33(2):221. Epub 2020 Feb 12.

Athens Colorectal Laboratory, Athens, Greece (Ioannis D. Gkegkes, Nikolaos Dalavouras, Apostolos P. Stamatiadis).

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http://dx.doi.org/10.20524/aog.2020.0455DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049238PMC
February 2020

Endoscopic band ligation for a rectal Dieulafoy's lesion.

Ann Gastroenterol 2020 Mar-Apr;33(2):220. Epub 2020 Feb 12.

Department of Gastroenterology and Hepatology, Fukuchiyama City Hospital, Kyoto, Japan.

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http://dx.doi.org/10.20524/aog.2020.0454DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049235PMC
February 2020

Temporal trends of incidence and mortality in Asian-Americans with pancreatic adenocarcinoma: an epidemiological study.

Ann Gastroenterol 2020 Mar-Apr;33(2):210-218. Epub 2020 Feb 12.

Department of Internal Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA (Mohamed M. Gad, Anas M. Saad, Mohannad Abou Saleh, Alfred D. Nelson, Carlos Roberto Simons-Linares).

Background: Pancreatic cancer is the fourth most common cause of cancer-related deaths in the United States, with an estimated 45,750 deaths in 2019. Mortality outcomes seem to differ based on the ethnicity of the patients, with most studies focusing on the mortality and survival of Caucasians and African Americans. Little attention has been given, however, to Asian-American patients diagnosed with pancreatic adenocarcinoma (PAC). Read More

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http://dx.doi.org/10.20524/aog.2020.0450DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049244PMC
February 2020

Unilateral versus bilateral hilar stents for the treatment of cholangiocarcinoma: a multicenter international study.

Ann Gastroenterol 2020 Mar-Apr;33(2):202-209. Epub 2020 Feb 12.

Department of Gastroenterology, University of Utah, Salt Lake City, UT (Judith Staub, Samuel Thomas, Abdul Hsaeeb, Jennifer Herrick, Tom Greene, Douglas G. Adler).

Background: Endoscopic placement of hilar stents is an accepted palliative therapy for patients with advanced, unresectable cholangiocarcinoma. However, whether unilateral versus bilateral stent placement provides optimal relief continues to be a subject of debate. The aim of this study was to compare the technical and clinical outcomes in patients with inoperable cholangiocarcinoma who received unilateral or bilateral self-expanding metal stents (SEMS). Read More

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http://dx.doi.org/10.20524/aog.2020.0451DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049245PMC
February 2020

Direct-acting antiviral treatment for chronic hepatitis C in people who use drugs in a real-world setting.

Ann Gastroenterol 2020 Mar-Apr;33(2):195-201. Epub 2020 Jan 20.

Gastroenterology-Liver Unit, 2 Academic Department of Internal Medicine, Medical School of National and Kapodistrian University of Athens, Hippokration General Hospital, (Kanellos Rafail Koustenis, Olga Anagnostou, Hariklia Kranidioti, Sofia Vasileiadi, Pinelopi Antonakaki, Evangelia Koutli, Paris Pantsas, Melanie Deutsch, Spilios Manolakopoulos).

Background: Direct-acting antivirals (DAAs) offer high cure rates in people who inject drugs (PWID) with hepatitis C virus (HCV) infection. There are concerns regarding lower response rates among PWID in real life. We evaluated the outcome of DAA therapy in PWID in a real-world setting and the factors that affect it. Read More

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http://dx.doi.org/10.20524/aog.2020.0449DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049240PMC
January 2020

Simulated performance of flexible sigmoidoscopy-based screening for advanced neoplasia detection in a Greek population.

Ann Gastroenterol 2020 Mar-Apr;33(2):187-194. Epub 2020 Feb 12.

Department of Gastroenterology (Vasilios Papastergiou, Nicoletta Mathou, Athanasios Giannakopoulos, Aikaterini Evgenidi, Eleftherios Schoretsanitis, Konstantina D. Paraskeva).

Background: Flexible sigmoidoscopy (FS) is resource-conserving and may increase adherence to colorectal cancer (CRC) screening compared to total colonoscopy. We investigated the diagnostic performance of FS-based screening for advanced colorectal neoplasia (ACN), including advanced adenomatous neoplasms (AANs), advanced serrated lesions (ASLs) and CRCs.

Methods: Data from 2005 subjects undergoing average-risk screening colonoscopy in a single center in Greece were retrospectively reviewed. Read More

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http://dx.doi.org/10.20524/aog.2020.0458DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049233PMC
February 2020

How to increase proximal adenoma detection rate: a meta-analysis comparing water exchange, water immersion and air/CO insufflation methods for colonoscopy.

Ann Gastroenterol 2020 Mar-Apr;33(2):178-186. Epub 2020 Feb 14.

Department of Gastroenterology, University of Utah, Salt Lake City, Utah (Douglas G. Adler), USA.

Background: Recent meta-analyses have demonstrated a higher adenoma detection rate using the water exchange method (WE), compared to water immersion (WI) and air/CO insufflation (ACI). Proximal adenomas have a high miss rate owing to their location and appearance. We performed a systematic review and meta-analysis of studies comparing the WE and WI methods to the ACI method, with a primary focus on proximal adenoma detection rate. Read More

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http://dx.doi.org/10.20524/aog.2020.0459DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7049237PMC
February 2020