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Topic Review
The Effect of COVID-19 on Gut Microbiota
The COVID-19 pandemic caused by the SARS-CoV-2 virus has led to significant global health implications. Although the respiratory manifestations of COVID-19 are widely recognized, emerging evidence suggests that the disease may also significantly affect the gut microbiota, the intricate community of bacteria that lives within the gastrointestinal system.
  • 129
  • 22 Aug 2023
Topic Review
Cystic Fibrosis Gastroenterologist's Transition from Pediatrics to Adult
Cystic Fibrosis is a chronic disease affecting multiple systems, including the GI tract. Clinical manifestation in patients can start as early as infancy and vary across different age groups. With the advent of new, highly effective modulators, the life expectancy of people with CF (PwCF) has improved significantly. Various GI aspects of CF care, such as nutrition, are linked to an overall improvement in morbidity, lung function and the quality of life of PwCF. The variable clinical presentations and management of GI diseases in pediatrics and adults with CF should be recognized. Therefore, it is necessary to ensure efficient transfer of information between pediatric and adult providers for proper continuity of management and coordination of care at the time of transition. 
  • 125
  • 17 Nov 2023
Topic Review
The Liver-Centric Role in Insulin Resistance
The central mechanism involved in the pathogenesis of MAFLD is insulin resistance with hyperinsulinemia, which stimulates triglyceride synthesis and accumulation in the liver. On the other side, triglyceride and free fatty acid accumulation in hepatocytes promotes insulin resistance via oxidative stress, endoplasmic reticulum stress, lipotoxicity, and the increased secretion of hepatokines. Cytokines and adipokines cause insulin resistance, thus promoting lipolysis in adipose tissue and ectopic fat deposition in the muscles and liver. Free fatty acids along with cytokines and adipokines contribute to insulin resistance in the liver via the activation of numerous signaling pathways. The secretion of hepatokines, hormone-like proteins, primarily by hepatocytes is disturbed and impairs signaling pathways, causing metabolic dysregulation in the liver. ER stress and unfolded protein response play significant roles in insulin resistance aggravation through the activation of apoptosis, inflammatory response, and insulin signaling impairment mediated via IRE1/PERK/ATF6 signaling pathways and the upregulation of SREBP 1c. Circadian rhythm derangement and biological clock desynchronization are related to metabolic disorders, insulin resistance, and NAFLD, suggesting clock genes as a potential target for new therapeutic strategies.
  • 124
  • 22 Nov 2023
Topic Review
Role of Intestinal Microbiota in Celiac Disease Pathogenesis
The intestinal microbiota contributes to maintaining the integrity of the intestinal barrier, preventing the formation of a “leaky” intestine. On the contrary, a change in the composition of the microbiota can act as a significant link in the pathogenesis of gluten intolerance and exacerbate the course of the disease. The possibility of modulating the composition of the microbiota by prescribing probiotic preparations is being considered. The effectiveness of the use of probiotics containing Lactobacillus and Bifidobacterium bacteria in experimental and clinical studies as a preventive and therapeutic agent has been documented.
  • 118
  • 19 Jan 2024
Topic Review
Gastroesophageal Reflux Disease following Sleeve Gastrectomy
Obesity is associated with serious comorbidities and economic implications. Bariatric surgery, most commonly Roux-en-Y gastric bypass and sleeve gastrectomy, are effective options for weight loss and the improvement of obesity-related comorbidities. With the growing obesity epidemic, there has been a concomitant rise in bariatric surgeries, particularly in sleeve gastrectomy. Gastroesophageal reflux disease (GERD) is highly prevalent in obese individuals, can significantly impact quality of life and may lead to serious complications. Obesity and GERD both improve with weight loss.
  • 116
  • 07 Mar 2024
Topic Review
Inflammatory Bowel Disease and Adverse Pregnancy Outcomes
Inflammatory Bowel Disease (IBD) presents distinct challenges during pregnancy due to its influence on maternal health and pregnancy outcomes. IBD can affect women of reproductive age aspiring for a safe pregnancy. Effective disease control before conception is vital to improve fertility and ensure a healthy pregnancy, thus reducing potential flare-ups. Continuation of IBD treatments during pregnancy and breastfeeding is generally viewed as safe, emphasizing the importance of thorough disease management for both mother and child.
  • 115
  • 05 Jan 2024
Topic Review
Influence of Ultra-Processed Food on Colorectal Cancer
Colorectal cancer (CRC) is a disease characterised by the development of malignant tumours in the colon or rectum; it is considered the most common cancer in women, and up to 50% of cases can be prevented with a healthy lifestyle. Nutritional habits are related to its appearance, and the trend of an increased consumption of ultra-processed foods (UPFs) has led to a surge in the incidence of CRC.
  • 114
  • 28 Feb 2024
Topic Review
Diagnosis and Management of Acute Liver Failure
Acute liver failure (ALF) is a rare and specific form of severe hepatic dysfunction characterized by coagulopathy and hepatic encephalopathy in a patient with no known liver disease. ALF carries a high morbidity and mortality. Careful attention should be given to hemodynamics and metabolic parameters along with the active surveillance of infections. Timely transfer and supportive management are important in an intensive care unit in a liver transplant center. Identifying patients who will and will not improve with medical management and may need emergent liver transplantation is critical.
  • 111
  • 14 Dec 2023
Topic Review
Exceptional Liver Transplant Indications
Liver transplantation represents the definitive intervention for various etiologies of liver failure and encompasses a spectrum of rare indications crucial to understanding the diverse landscape of end-stage liver disease, with significantly improved survival rates over the past three decades.
  • 112
  • 31 Jan 2024
Topic Review
Pancreatic Walled-off Necrosis Management
Necrotizing pancreatitis is a complex clinical condition burdened with significant morbidity and mortality. In recent years, the huge progress of interventional endoscopic ultrasound (EUS) has allowed a shift in the management of pancreatic necrotic collections from surgical/percutaneous approaches to mini-invasive endoscopic internal drainage and debridement procedures. The development of lumen-apposing metal stents (LAMSs), devices specifically dedicated to transmural EUS interventions, further prompted the diffusion of such techniques.
  • 111
  • 27 Feb 2024
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