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Topic Review
Endoscopic Submucosal Dissection
Endoscopic submucosal dissection (ESD) is considered superior to endoscopic mucosal resection as an endoscopic resection because of its higher en bloc resection rate, but it is more difficult to perform. As ESD techniques have become more common, and the range of treatment by ESD has expanded, the number of possible complications has also increased, and endoscopists need to manage them.
  • 699
  • 18 Jun 2021
Topic Review
Fecal Microbiota Transplantation
Among all the methods available to achieve this purpose, fecal microbiota transplantation (FMT) is one of the most promising, being able to directly reshape the recipient’s gut microbial communities.
  • 564
  • 16 Jun 2021
Topic Review
Bisphenol A (BPA)
Bisfenol A (2,2-bis-(p-hydroxyphenyl)-2-propane, BPA) is an organic chemical compound that belongs to the group of phenols. It is widely used in the production of plastics, including polycarbonates and epoxy resins.
  • 420
  • 03 Jun 2021
Topic Review
Achalasia
Achalasia is an esophageal motor disease characterized by the lack of relaxation of the lower esophageal sphincter (LES) and aperistalsis. The first time this condition was described was in 1672 by Sir Thomas Willis, but the "achalasia" term was only created in 1929 by Hurst and Rake, meaning "no relaxation".
  • 843
  • 31 May 2021
Topic Review
Helicobacter pylori Diagnosis
Helicobacter pylori infection still remains one of the most prevalent infections worldwide, especially in low-resource countries, and the major risk factor for peptic ulcer and gastric cancer. The "test-and-treat" strategy is recommended by several guidelines and consensus. The choice of testing method is based on patient age, presence of alarm signs and/or symptoms, use of non-steroidal anti-inflammatory drugs, as well as local availability, test reliability and cost.  Culture is the gold standard to detect H. pylori and, possibly, to perform susceptibility testing, however, it requires upper endoscopy and dedicate labs. Recent advances in molecular biology provide new strategies in detecting the infection and antimicrobial resistance without invasive tests. 
  • 1.3K
  • 31 May 2021
Topic Review
Liver Diseases and Nutritional Status
Liver fibrosis is the consequence of different inflammatory processes occurring in any chronic liver disease. Its progression determines the development of cirrhosis and portal hypertension. The natural history of cirrhosis is characterized by a compensated phase, with or without portal hypertension, and a decompensated phase characterized by the appearance of major complications, such as ascites, portal hypertensive bleeding, encephalopathy, and jaundice. Malnutrition is frequent in patients with liver cirrhosis, which progresses in parallel with the worsening of the disease. Its etiology is multifactorial, given the great impact of liver disease on multiple processes related to nutrition.
  • 754
  • 27 May 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.
  • 632
  • 19 May 2021
Topic Review
Polyphenols in Tea
A diet high in polyphenols is associated with a diversified gut microbiome. Tea is the second most consumed beverage in the world, after water. The health benefits of tea might be attributed to the presence of polyphenol compounds such as flavonoids (e.g., catechins and epicatechins), theaflavins, and tannins. 
  • 636
  • 18 May 2021
Topic Review
Gut Virome in Childhood Diseases
Mammals are colonized by numerous microbes, collectively referred to as the microbiota. The microbiota forms a stable symbiotic relationship with the host and is indispensable for health maintenance. Although the eubacteria are the best characterized component of the human gut microbiota, it also includes commensal populations of viruses, fungi, multicellular parasites and archaea. Evidence highlights that the virome, consisting in DNA and RNA eukaryotic viruses, bacterial viruses (i.e., bacteriophages) and archaeal viruses, exerts a fundamental role in the host wellbeing. Indeed, alterations of the adult virome have been linked to increased disease susceptibility, suggesting that maintaining or restoring a structurally and functionally correct composition of the virome might represent in the near future a promising approach to prevent or cure different human diseases. Although the knowledge of childhood virome is currently very limited, modifications of the virome composition have been associated with several diseases during the pediatric age, such as inflammatory bowel disease, type 1 diabetes, malnutrition, diarrhea and celiac disease. 
  • 601
  • 14 May 2021
Topic Review
Pre-/Probiotics and Akkermansia Muciniphila
This entry highlights the following main aspects: the relationship between probiotics/gut microbes with the pathogenesis of MetS, the particular positive roles of Akkermansia muciniphila supplementation in the onset of MetS, and the interaction between dietary polyphenols (prebiotics) with gut microbiota.
  • 581
  • 13 May 2021
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