Articles tagged with Gastroenterology
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Solid-pseudopapillary neoplasm (SPN) of the pancreas is characterized by cystic-solid tumors in young women, often with hemorrhage and necrosis. Immunohistochemistry helps differentiate it from pancreatic endocrine tumor (PET), which harbors distinct genetic mutations.
Hypnotherapy has been shown to significantly improve irritable bowel syndrome (IBS) symptoms in a majority of cases, with some patients experiencing complete relief. Probiotics can also be an effective option, but the efficacy depends on specific strains and clinical trial evidence.
A study published in the World Journal of Gastroenterology found that worm-derived proteins attenuate intestinal inflammation and normalize gastrointestinal motility disturbances in mice with colitis. The results suggest that worm proteins may provide an attractive option for managing gastrointestinal inflammation in IBD patients.
A study found that most non-ICU patients receiving intravenous proton pump inhibitors (PPIs) had inappropriate indications or routes of administration. The researchers highlighted the need for restrictions on IV PPI use to improve both clinical and cost impacts.
Research reveals that HGF-induced invasion of cholangiocarcinoma is mediated by distinct signaling pathways, with PI3K pathway being common and ERK1/2 playing a key role depending on activation duration. This understanding may aid in identifying therapeutic targets for individual patients.
A Chinese research group evaluates the efficacy of a Calculus Bovis compound preparation in treating lung lesions caused by schistosomiasis. The study suggests that the compound has anti-inflammatory and regenerative effects, promoting tissue regeneration and reducing swelling.
Expression of EpCAM and ABCG5 within tumor buds stratify patients with colorectal cancer into prognostic subgroups, particularly those with node-negative disease. These biomarkers may identify patients at high risk of poor outcome, warranting adjuvant therapy.
A study published in World Journal of Gastroenterology found that the mean age of colorectal cancer in China increased across four regions, with East Guangdong having the highest mean age. The anatomic distribution, histological type, and differentiation type also varied significantly between regions.
Researchers identified novel bedside criteria to distinguish between cirrhosis and inflammation in patients with ALD. A blood test can exclude active inflammation before using transient elastography for liver fibrosis assessment.
Research found atenolol increases lower esophageal sphincter pressure and peristaltic contractions, while nifedipine decreases them. Atenolol may prevent GERD development, while nifedipine treatment could increase reflux risk.
A study published in the World Journal of Gastroenterology found that early enterostomy closure via endoscopy significantly reduces hospital stay duration and stoma closure time. The researchers used endoscopic examination to determine optimal closure timing, concluding it's a useful predictor for this procedure.
Researchers used MDCTPV to study the collateral circulation of gastric varices, finding that most afferent veins originated from the left gastric vein. The study concludes that MDCTPV provides valuable reference for clinicians in the endoscopic and surgical treatment of gastric variceal bleeding.
A new study in Clinical Gastroenterology and Hepatology found that propofol administration by a trained professional results in a low rate of sedation-related complications. The study identified risk factors for complications and highlights the importance of proper training and patient selection.
A study published in BMC Gastroenterology found that thiopurine therapy significantly improved the health-related quality of life of Inflammatory Bowel Disease (IBD) patients. The clinical trial, conducted by Guillermo Bastida and his team, reported a substantial improvement in quality of life after one year of treatment.
A new study has found that current biomarkers des-gamma-carboxy prothrombin (DCP) and alpha fetoprotein (AFP) are not optimal for early detection of liver cancer. The study suggests that combining both markers can increase sensitivity but decrease specificity, indicating a need for further investigation.
A study found that individuals who had colonoscopies performed by non-gastroenterologists, such as general surgeons or internists, were at a higher risk of developing subsequent colorectal cancer. In contrast, gastroenterologists were more proficient at colonoscopy and had a reduced incidence of CRC.
A new study suggests that combining endoscopic removal of visible lesions with radiofrequency ablation can effectively treat early tumor formation in Barrett's esophagus, potentially sparing patients from surgery. The treatment was found to be safe and effective in eradicating tumors and abnormal intestinal cells, with no recurrence of...
Certain patients with inflammatory bowel disease have an increased risk of developing colorectal cancer. The AGA recommends individualized surveillance plans based on each patient's unique situation, taking into account disease duration, primary sclerosing cholangitis, and family history.
Researchers found that two Lactobacillus strains improved Helicobacter pylori-infected gastritis by exhibiting anti-bacterial and anti-inflammatory effects. The study suggests using probiotics as an alternative to antibiotics for treating H. pylori-associated diseases.
Researchers found that patients with primary biliary cirrhosis predominantly express IgM in plasma cells, which can be used to distinguish the condition from autoimmune hepatitis. The study supports the use of IgM/IgG ratio as a diagnostic tool for PBC.
Research associates H. pylori and EBV infections with gastric cancer development, particularly through DNA methylation and microsatellite instability alterations. CDH1 gene silencing and DAPK inverse correlation with MSI offer new insights into disease mechanisms.
Research suggests that atypical intestinal metaplasia (AIM) may be a precancerous lesion, indicating a higher risk of gastric cancer. The study proposes a new classification system for intestinal metaplasia, distinguishing between simple and atypical subtypes.
Researchers found that only 16% and 9% of Helicobacter pylori strains expressed the hopE and hopV genes, respectively, despite detection rates being much higher. This suggests a mechanism for the bacteria to evade the immune system.
Research published in the World Journal of Gastroenterology reveals a significant association between Helicobacter pylori babA2 and atrophic gastritis in Costa Rican patients. The findings suggest that babA2 may play a role in the development of gastric cancer in this population.
Research found that hospitalization for Crohn's disease was more common among women and younger people, while ulcerative colitis was more common among older people. The study suggests that social deprivation and distance traveled to hospital are associated with Crohn's disease, but not ulcerative colitis.
Researchers found that patients with flame-like Barrett's epithelium and those with a C extent ≥ 2 cm had higher rates of erosive esophagitis. The study suggests a potential strategy for preventing esophageal adenocarcinoma.
A study published in World Journal of Gastroenterology analyzed the clinical course of 252 subepithelial lesions. The majority of lesions (96.8%) remained unchanged after endoscopic surveillance, supporting the use of this approach for small tumors. Further studies with long-term follow-up are needed to validate these findings.
A survey found that most patients are interested in obtaining a video recording of their colonoscopy procedure, with younger patients more willing to pay for the service. Awareness of missed lesions during colonoscopy is a significant predictor of interest in having a video recording.
A new study reports successful laparoscopic hepatectomy in an aged cirrhotic patient with HCC recurrence. The procedure resulted in smaller wounds, less blood loss, and faster recovery. Further studies are needed to fully evaluate the role of laparoscopic surgery in HCC management.
A study published in World Journal of Gastroenterology found that long-term endoscopy-based studies do not significantly affect the quality of life (QOL) of healthy volunteers. The researchers evaluated QOL in ten healthy volunteers during a prospectively conducted study, using validated surveys and questionnaires.
Researchers have identified genetic risk markers for post-infectious irritable bowel syndrome (PI-IBS) in victims of the Walkerton tainted drinking water tragedy. The study, led by McGill PhD Alexandra-Chloé Villani, found that genetic factors play a critical role in the development of PI-IBS.
A study of young age gastric cancer patients in Korea found that epidemiologic characteristics, risk factors, and treatment approaches differ by age and gender. Hormonal factors were more common in females, while environmental factors were more common in males, particularly in the older age group.
A Canadian study has found that younger age at diagnosis and more recent year of diagnosis are associated with more severe ulcerative colitis. These findings may help physicians identify patients at higher risk of severe disease and tailor their care accordingly.
Researchers from Taiwan evaluated 34 CT-guided biopsies in patients with pancreas masses, demonstrating a high success rate and minimal complications. The study suggests that transgastric biopsy using large needles is a feasible alternative method for pancreatic lesion sampling.
A phase II study found that adding ketoprofen to pegylated-interferon (PEG-IFN) with or without ribavirin improves viral kinetics and early activation of the IFNa signaling pathway. This combination therapy shows promise for treating genotype 1 chronic hepatitis C.
A study published in World Journal of Gastroenterology found that oral sodium phosphate (OSP) laxatives can induce hyperphosphatemia in low-risk patients, particularly those with lower weights. The research suggests that preoperative evaluation and adjusting OSP doses according to weight may help prevent this condition.
A study analyzing 429 patients with intrahepatic cholangiocarcinoma found associations between hepatitis B infection, CA19-9 levels, and lymph node metastases. Radical resection is a key prognostic factor for ICC, and future research should focus on evaluating molecule-targeted therapy.
Patients with resectable esophageal adenocarcinoma benefit from neoadjuvant chemoradiotherapy, showing improved overall survival and complete resection rates. However, the treatment is connected to a higher mortality rate after surgery.
Researchers found distinct bacterial phylotypes associated with IBS subtypes, including diarrhea-predominant and constipation-predominant IBS. These findings suggest potential targets for diagnostic and therapeutic approaches to managing IBS.
Researchers report a rare diagnosis of superior mesenteric artery syndrome in a diabetic patient, causing similar symptoms to gastroparesis. Computed tomography and upper GI series are reliable diagnostic tools, while adequate nutrition supply and bodyweight gain aim to relieve symptoms.
A prospective randomized clinical trial examined acupuncture's effect on preventing prolonged postoperative ileus (PPOI) after intraperitoneal surgery among patients with colon cancer. The study found no significant benefit of acupuncture, suggesting that standard postoperative care is sufficient to prevent PPOI in this population.
A novel and simple formula predicts treatment success for patients with chronic hepatitis C, outperforming viral kinetics. The formula, based on clinical data, is suitable for every cohort of patients and can help tailor treatment.
A study of mucosal biopsies from patients with ileal pouch-anal anastomosis reveals protein expression changes in pouchitis and antibiotic-induced remission. Proteomic analysis identifies novel biomarkers for disease activity, diagnosis, and prognosis.
Research by Dr. L Veijola and colleagues suggests H. pylori infection may trigger autoimmune gastritis, a condition that requires lifelong vitamin B12 supplementation. The study confirms previous findings that serum markers of autoimmune gastritis appear in patients with H. pylori, highlighting the potential for eradication therapy to ...
In a study published in World Journal of Gastroenterology, researchers found that MRI-enterography revealed incidental findings outside the small intestine in 25% of patients with suspected or known Crohn's disease. These extra-intestinal manifestations were rare and did not necessarily require additional examinations.
Two head-to-head studies found that Peginterferon alpha-2a (PegIFNα2a) plus ribavirin (RBV) produces a significantly higher sustained virological response (SVR) rate than peginterferon alpha-2b (PegIFNα2b) plus RBV for patients with chronic hepatitis C. The SVR rates were 66% and 54% for PegIFNα2a and PegIFNα2b, respectively.
Research suggests that high nicotinamide intake can lead to reactive oxygen species production, insulin resistance, and glucose intolerance. Sweating is identified as an effective way to expel excess nicotinamide from the body, offering a potential preventive and therapeutic intervention for type 2 diabetes.
A recent study published in World Journal of Gastroenterology found that shift work significantly increases the development of metabolic syndrome (MetS) among early-middle-aged males with elevated alanine aminotransferase (ALT). The researchers observed that workers with both baseline e-ALT and long-term rotating shift work exposures h...
A large-scale case-control study found no association between GSTM1 and GSTT1 null genotypes and increased risk of gastric and colorectal cancer in Koreans. Smoking, alcohol consumption, and age did not modify this association.
Researchers used EUS with contrast-enhanced harmonic imaging to diagnose small pancreatic carcinomas. Periodic follow-ups revealed accurate diagnosis of disease progression in patients with branch duct intraductal papillary mucinous neoplasm (IPMN).
Researchers investigated manometric measurements in patients with isolated distal reflux (IDR) to compare findings in those with erosive esophagitis and non-erosive esophagitis. IEM was observed only in patients with erosive disease, suggesting a potential pathophysiological link.
A study published in the World Journal of Gastroenterology found that PEG placement does not guarantee elimination of gastroesophageal reflux. The researchers identified factors contributing to GER persistence, including reflux esophagitis and altered gastroesophageal flap valve function.
Peliosis hepatis, a rare pathological entity, can lead to spontaneous liver rupture, a life-threatening condition that necessitates prompt medical intervention. The case report highlights the importance of considering PH in patients with risk factors, emphasizing the need for early diagnosis and treatment to prevent severe complications.
A new study published in Clinical Gastroenterology and Hepatology found that combining sigmoidoscopy and fecal immunochemical test (FIT) improves CRC detection by 10 percent. This combination is particularly useful for communities with limited colonoscopy access, as it allows for more effective screening of advanced proximal tumors.
Research in Taiwan found working after meals and H. pylori infection increase GCA risk, while healthy diet may reduce it. Healthy dietary habits and eradication of H. pylori are crucial for prevention.
A study found that fructose-sorbitol (F-S) ingestion provoked gastrointestinal symptoms in over half of female ED patients, with a significant difference in response between underweight and normal-weight individuals. The response was specific for F-S and more common in anorexia nervosa patients.
Patients with more bile duct visualization on imaging studies and fewer liver metastases had greater bile output after biliary drainage. However, daily observation of bile output and serum bilirubin reduction is crucial for determining procedure success.
A research team investigated a highly-selective EP4 agonist for treatment of gastric ulcers in mice. The EP4 agonist reduced acute hemorrhagic damage, promoted mucous epithelial regeneration, and accelerated ulcer healing. In vitro, it protected human gastric mucous cells from indomethacin-induced apoptosis.
Researchers developed a protocol to direct the hepatic specification of ES cells using valproic acid and cytokines, resulting in functional hepatocytes. This study may aid hepatocyte transplantation and provide an in vitro model for understanding liver development.
A large cohort study found that patients with type 2 diabetes mellitus have a threefold increased risk of pancreatic cancer and a twofold increased risk of gallbladder and extrahepatic biliary cancers compared to non-diabetic controls. This is the first comprehensive assessment of the risk for these cancers in type 2 DM patients.