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Topic Review
Biography
Topic Review
Chemotherapy-Induced Gastrointestinal Mucositis and Anti-Infective Drugs
Gastrointestinal mucositis (GI-M) is a frequently observed side effect of chemotherapy in patients with cancer that affects the gastrointestinal microenvironment and potentially drug absorption.
607
15 Oct 2021
Topic Review
Cancer-Associated Fibroblasts in Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is one of the most prevalent cancers worldwide and the fourth leading cause of cancer-related death globally. Tumor cells recruit and remodel various types of stromal and inflammatory cells to form a tumor microenvironment (TME), which encompasses cellular and molecular entities, including cancer-associated fibroblasts (CAFs), tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), immune cells, myeloid-derived suppressor cells (MDSCs), immune checkpoint molecules and cytokines that promote cancer cell growth, as well as their drug resistance. HCC usually arises in the context of cirrhosis, which is always associated with an enrichment of activated fibroblasts that are owed to chronic inflammation.
604
23 Feb 2023
Topic Review
Nutrition/Exercise in Upper Gastrointestinal Cancers
Malnutrition and muscle wasting are associated with impaired physical functioning and quality of life in oncology patients. Patients diagnosed with upper gastrointestinal (GI) cancers are considered at high risk of malnutrition and impaired function. Due to continuous improvement in upper GI cancer survival rates, there has been an increased focus on multimodal interventions aimed at minimizing the adverse effects of cancer treatments and enhancing survivors’ quality of life.
602
28 Sep 2021
Topic Review
Pancreatic Fluid Collection
Pancreatic fluid collection (PFC) is one of the local complications that occurs after acute pancreatitis. Recently, the gold standard for management of pancreatic fluid collection has changed from aggressive debridement to a more conservative approach. Endoscopic drainage and necrosectomy are now accepted treatment approaches for patients with symptomatic walled-off pancreatic necrosis (WON). The current recommendations advocate step-up approaches for the treatment of symptomatic WON. Previous recommendations stipulated that endoscopic intervention should be delayed until more than four weeks after the onset. Recent data on early drainage have been increasing and this option might be considered in well-encapsulated cases, but the percutaneous route is preferred if the drainage is performed within two weeks after onset or in nonencapsulated cases.
599
20 Jan 2021
Topic Review
Bile Acid Diarrhoea
Bile acid diarrhoea (BAD) is a widespread gastrointestinal disease that presents as chronic watery diarrhoea as well as bloating and abdominal pain. This condition is often misdiagnosed as irritable bowel syndrome and is estimated to affect 1% of the United Kingdom population alone. BAD is associated with excessive bile acid synthesis secondary to a gastrointestinal or idiopathic disorder (also known as primary BAD). Current treatment includes diet changes and bile acid sequestrant medication.
598
19 May 2021
Topic Review
Endoscopic of the Upper Digestive Tract Management
The European Society for Gastrointestinal Endoscopy recommends immediate (<2 h, maximum 6 h after ingestion) therapeutic endoscopy for foreign bodies causing complete obstruction, sharp objects and batteries or magnets. Urgent endoscopy (<24 h) should also be performed for other esophageal foreign bodies without complete obstruction. Endoscopy of the upper digestive tract is very sensitive in detecting foreign bodies and has the advantage that therapeutic maneuvers can be performed. In addition, endoscopy may reveal pre-existing esophageal pathology leading to obstruction and any mucosal damage.
598
27 Mar 2023
Topic Review
Virtual Chromoendoscopy in Capsule Endoscopy
Video capsule endoscopy (VCE) is a minimally invasive endoscopic modality, which was initially introduced for the investigation of the small intestine, but currently a range of capsules are available that can facilitate the inspection of the entire GI tract.
597
17 Aug 2022
Topic Review
Artificial Intelligence for Gastrointestinal Diseases
The development of convolutional neural networks has achieved impressive advances of machine learning in recent years, leading to an increasing use of artificial intelligence (AI) in the field of gastrointestinal (GI) diseases. AI networks have been trained to differentiate benign from malignant lesions, analyze endoscopic and radiological GI images, and assess histological diagnoses, obtaining excellent results and high overall diagnostic accuracy. Nevertheless, there data are lacking on side effects of AI in the gastroenterology field, and high-quality studies comparing the performance of AI networks to health care professionals are still limited.
595
24 Sep 2021
Topic Review
Leaky Gut and Fatty Liver
Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome and the leading cause of chronic liver disease in pediatric and adult populations living in industrialized countries. NAFLD encompasses steatosis and nonalcoholic steatohepatitis (NASH), and it is characterized by perivenular and lobular inflammation. Progression to fibrosis and cirrhosis are the primary complications of NAFLD. Based on a recent meta-analysis, one in four people in Europe, the United States, and Asia have NAFLD.
595
09 Aug 2021
Topic Review
Oxidative Stress-Induced Senescence during Non-Alcoholic Fatty Liver Disease
Non-alcoholic fatty liver disease is characterized by disturbed lipid metabolism and increased oxidative stress. These conditions lead to the activation of different cellular response mechanisms, including senescence. Cellular senescence constitutes an important response to injury in the liver. Researches show that chronic oxidative stress can induce senescence, and this might be a driving mechanism for NAFLD progression, aggravating the disturbance of lipid metabolism, organelle dysfunction, pro-inflammatory response and hepatocellular damage. In this context, the modulation of cellular senescence can be beneficial to ameliorate oxidative stress-related damage during NAFLD progression.
594
06 Jun 2022
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