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All Topic Review Biography
Topic Review
Endoscopy Lifetime Systems Architecture
Systems engineering captures the desires and needs of the customer to conceptualize a system from the overall goal down to the small details prior to any physical development. While many systems projects tend to be large and complicated (i.e., cloud-based infrastructure, long-term space travel shuttles, missile defense systems), systems engineering can also be applied to smaller, complex systems. The system of interest is the endoscope, a standard biomedical screening device used in laparoscopic surgery, screening of upper and lower gastrointestinal tracts, and inspection of the upper airway.
  • 728
  • 25 Oct 2022
Topic Review
Gastrointestinal and Liver Complications in Diabetes Mellitus
The number of diabetes mellitus patients has increased in developing countries, along with obesity and sedentary lifestyle. Besides macroangiopathy and microangiopathy, damage to the nerve fibers of the peripheral nervous system is the most common chronic complication of diabetes. Digestive complications in diabetic patients represent a consequence of diabetic autonomic neuropathy involving the gastrointestinal tract, but unfortunately not always evaluated by diabetologists. Aside from the complications encountered in the digestive tract, patients with diabetes mellitus are prone to developing liver diseases.
  • 731
  • 24 Oct 2022
Topic Review
Inflammatory Biomarkers in Paediatric Inflammatory Bowel Diseases
Inflammatory bowel disease (IBD) is a distinct chronic, idiopathic, and relapsing disorder classified into two major conditions, including Crohn’s disease (CD) and ulcerative colitis (UC), which cause inflammation in the gastrointestinal tract (GIT). Short-chain fatty acids (SCFAs) produced by anaerobic bacterial fermentation of indigestible dietary fibre in the gut have potential value for their underlying epigenetic role in the treatment of obesity and asthma-related inflammation through mediating the relationships between VLCKD and the infant gut microbiota. 
  • 332
  • 21 Oct 2022
Topic Review
Intestinal Ultrasound in Luminal Crohn’s Disease
Crohn’s disease (CD) is a chronic autoimmune disease with increasing worldwide prevalence. Small bowel involvement, either in isolation or with colonic disease, occurs in approximately 90% of patients with typical findings including ulceration, inflammation, and strictures. The current gold standard for CD activity assessment is ileocolonoscopy, however, resource constraints and the invasive nature of this assessment make this difficult to perform frequently. The recent selecting therapeutic targets in inflammatory bowel disease two (STRIDE-2) guidelines have highlighted the increasing importance of using noninvasive modalities to evaluate CD activity. Several imaging techniques can accurately assess the small bowel, including computed tomography, magnetic resonance imaging, and ultrasound. Cross-sectional imaging modalities such as magnetic resonance enterography (MRE) and computed tomography enterography (CTE).
  • 318
  • 20 Oct 2022
Topic Review
Diagnosis of Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis
Endoscopic retrograde cholangiopancreatography (ERCP) is the primary therapeutic approach for disorders affecting the pancreatobiliary tree. It carries the highest risk of complications and mortality among other endoscopic modalities, with post-ERCP pancreatitis (PEP) being the most frequent complication, even after a seemingly straightforward procedure. Its incidence lies between 2–10%, which could be as high as 30–50% in high-risk cases. PEP is severe in up to 5% of cases, with potential for life-threatening complications, and death in up to 1% of cases. The risk of PEP is potentially predictable and may be modified with pharmacological measures and endoscopic techniques, also patient selection plays an important role.  The therapy for PEP is like that of acute pancreatitis. Analgesia and supportive care with moderate fluid therapy are often sufficient in most patients. In conclusion, PEP is a potentially life-threatening complication of ERCP which can be mitigated through a correct patient selection, combination of pharmacological and intraprocedural measures as well as prompt diagnosis and early management.
  • 336
  • 20 Oct 2022
Topic Review
Non-Invasive Biomarkers for Immunotherapy with Hepatocellular Carcinoma
Tumor biomarkers are cellular and molecular products linked directly or indirectly to the presence of cancer cells that are an expression of the tumor’s intrinsic characteristics and can be identified, measured, and analyzed by specific tests.  Currently, there is an increasing interest in developing novel techniques to extract information on tumor biology directly from patient’s body fluids in a non-invasive way. Liquid biopsy, a non-invasive approach of tumor biomarkers detection, permits a dynamic picture of HCC’s evolution and response to therapy. 
  • 494
  • 20 Oct 2022
Topic Review
Primary and Acquired Resistance to Immune Checkpoint Inhibitors
Hepatocellular carcinoma (HCC) is the most common liver cancer and a relevant global health problem. Immune checkpoint inhibitors (ICIs) represent the most effective systemic treatment for HCC. However, due to primary resistance, approximately 40% of HCC patients do not achieve a disease control with ICIs. Moreover, a similar proportion will experience disease progression after an initial response caused by secondary resistance. 
  • 408
  • 18 Oct 2022
Topic Review
Gut Microbial Modulation
Gut microbial composition codevelops with the host from birth and is influenced by several factors, including drug use, radiation, psychological stress, dietary changes and physical stress. Importantly, gut microbial dysbiosis has been clearly associated with several diseases, including cancer, rheumatoid arthritis and Clostridium difficile-associated diarrhoea, and is known to affect human health and performance.
  • 505
  • 12 Oct 2022
Topic Review
Heart Rate Variability in Irritable Bowel Syndrome
Heart Rate Variability (HRV) is a non-invasive biomarker that can measure autonomic tone. Autonomic Nervous System deregulation is considered the leading cause of Irritable Bowel Syndrome (IBS), which is associated with decreased parasympathetic tone. HRV can measure the parasympathetic tone and changes in autonomic tone caused by therapeutic intervention in IBS. Further research is needed to confirm the efficacy of using HRV to measure the effectiveness of therapeutic interventions in IBS.
  • 2.1K
  • 10 Oct 2022
Topic Review
Bile Acid Malabsorption
Bile acid malabsorption (BAM), known also as bile acid diarrhea, is a cause of several gut-related problems, the main one being chronic diarrhea. It has also been called bile acid-induced diarrhea, cholerheic or choleretic enteropathy, bile salt diarrhea or bile salt malabsorption. It can result from malabsorption secondary to gastrointestinal disease, or be a primary disorder, associated with excessive bile acid production. Treatment with bile acid sequestrants is often effective.
  • 717
  • 09 Oct 2022
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