Articles tagged with Gastroenterology
Researchers used NBI to visualize mucosal angiogenesis in IBD patients and found abnormal microvascular changes not seen with white light colonoscopy. This technology may aid in assessing mucosal angiogenesis and could be beneficial for IBD treatment.
A case report highlights the diagnostic significance of computed tomography (CT) and magnetic resonance imaging (MRI) for duodenocaval fistula (DCF). Noninvasive CT and MRI are suggested as a first-line investigation for diagnosis, improving patient outcomes.
A study published in the World Journal of Gastroenterology investigated the effectiveness, safety, and outcomes of two popular esophageal metal stents: Ultraflex and Choostent. The results showed that both types of stents provided good palliation of dysphagia in patients with inoperable esophageal carcinoma.
Researchers evaluated MARS treatment's cost-utility and health-related quality of life in 90 ALF patients. The study found improved HRQoL and reduced healthcare costs after MARS treatment, indicating a potential cost-effective option for ALF patients.
Radiologists must consider the diagnostic value of multiplanar reconstructions to accurately diagnose superior mesenteric artery aneurysms. Contrast administration can help distinguish aneurysms from pancreatic masses, which may have similar density or intensity signals on unenhanced CT scans and MRI.
A new human hepatoma multidrug resistant cell line, SK-Hep1/CDDP, was established to elucidate the biological mechanisms of MDR in hepatocellular carcinoma. This cell line can be used to test new therapeutic agents and explore targeted approaches for improving MDR cancer therapy.
A study using Goto-Kakizaki rats found that Roux-en-Y gastric bypass surgery increases post-surgical expression of PDX-1 and promotes regeneration of β-cells, leading to improved diabetes management. This research provides a new basis for surgical treatment of type 2 diabetes.
A probiotic strain, B. lactis HN019, attenuates IL-8 mRNA level and reduces pro-inflammatory responses in intestinal epithelial cells. It also internalizes into cells and excludes enteropathogen adhesion, contributing to homeostasis of the intestinal epithelium.
Researchers found that four caged xanthones significantly inhibit CCA cell lines by increasing apoptosis-promoting proteins and decreasing apoptosis-inhibiting proteins. The compounds' chemical structure diversity reflects their biological activities, with isomorellinol exhibiting the highest potential.
Researchers evaluated tumor enhancement patterns using CE 3D US and established diagnostic criteria. Prospective differentiation of focal liver tumors yielded good sensitivity, specificity, and inter-reader agreement, indicating the potential usage of CE 3D US in liver lesion detection.
A rare case report describes a 68-year-old man with abdominal bloating caused by intussusception due to small intestine lipomatous lesions located in a jejunal duplication cyst. Multiple lipomas within jejunal duplication cysts are rare and difficult to diagnose before surgery, emphasizing the need for appropriate examination methods.
A meta-analysis found that the G allele of PPAR-γ gene polymorphism 34 C>G decreases colon cancer risk, indicating its potential as an early diagnosis and treatment target. The study confirms previous data linking the polymorphism to CRC risk.
Researchers found that H. pylori eradication therapy may be an initial treatment option for localized, H. pylori-negative gastric MALT lymphoma. The study adds information to establish strategies for patients with localized H. pylori-negative gastric MALT lymphoma.
A study published in the World Journal of Gastroenterology found that antithromboembolic prophylaxis is not necessary for cirrhotic patients undergoing liver resection, as the risk of venous thromboembolism is low. However, the presence of esophageal varices may contraindicate prophylaxis due to increased risk of postoperative hemorrhage.
Research reveals hepcidin-25's presence in various biological fluids, including saliva, bile, ascitic, and pleural fluid. This finding has implications for understanding anaemia of chronic disease, iron overload, and infectious disorders.
A patient with past history of hepatocellular carcinoma (HCC) presented with renal tumor 12 years later, revealing solitary recurrence of the initial HCC. This case emphasizes the need for early diagnosis of metastatic HCC to alter treatment planning and improve patient outcomes.
Researchers found that colon polyp detection rates remained consistent throughout the day at Mayo Clinic, contradicting previous findings. Shorter daily shifts did not result in decreased polyp detection rates, unlike traditional half-day shifts.
The American Gastroenterological Association (AGA) will present exciting data on the treatment and research of GI disorders during Digestive Disease Week. The late-breaking clinical abstracts include promising findings on gut microbiota, functional gastrointestinal disorders, and more.
The American Gastroenterological Association (AGA) presents its prestigious recognition awards to distinguished gastroenterologists for their exceptional achievements. The awardees were nominated by their peers and undergo a rigorous review process before being selected, reflecting the high esteem in which they are held.
Research findings indicate that extracapsular lymph node involvement is a negative prognostic factor for esophageal cancer, leading to significantly worse long-term survival rates. The study suggests that this involvement should be taken into account for a revised staging system.
Researchers investigated the efficacy of acellular dermal matrix (ADM) in intestinal elongation. The study found that grafts were completely absorbed within two to three months, with severe adhesions and inflammation hindering their use. Despite these findings, ADM is believed to have potential as a scaffold for tissue regeneration.
A new study published in Clinical Gastroenterology and Hepatology found that 30% of patients treated with cognitive behavior therapy experienced rapid symptom relief within four weeks, maintaining gains at follow-up examinations. Rapid responders showed lasting benefit for up to three months after treatment ended.
Researchers investigated the role of Heat Shock Protein-90 (HSP-90) in neural vasoregulation and portal hypertension. They found that HSP-90 is essential for nNOS-mediated vasodilation, a significant finding with potential implications for clinical trials targeting portal hypertension.
Researchers investigated COX-2 expression as a prognostic factor in pancreatic cancer, finding no significant correlation between high COX-2 levels and survival rates. High histological grade and nodal involvement remained key predictors of shorter survival.
Researchers found that taurine inhibits the activation of hepatic stellate cells (HSCs) and promotes apoptosis in liver cells. This study provides new targets for managing hepatic fibrosis and drug development.
A rare case of gastric adenomyoma presented with symptoms of melena, highlighting the importance of considering this condition in differential diagnosis. The diagnosis was confirmed through frozen section analysis, demonstrating its value in avoiding unnecessary radical operations.
A recent study published in the World Journal of Gastroenterology reports successful treatment of cystic fibrosis (CF) and Crohn's disease using infliximab. The therapy improved colonic lesions and overall condition without compromising lung function, suggesting a potential anti-inflammatory effect on both colon and lung.
A research team investigated S1P receptor expression profiles in human esophageal cancer cells, finding that S1P5 inhibits cell proliferation and migration. This study suggests that S1P5 or its associated signaling molecules may serve as a future biotherapy strategy for esophageal cancer.
A study found that circulating lymphocyte depletion is a characteristic of human severe and necrotizing acute pancreatitis. Serum interleukin-6 and macrophage migration inhibitory factor concentrations are also key predictors of disease severity and complications.
A study found that 10.2% of patients developed anemia after Roux-en-Y gastric bypass surgery, primarily due to iron deficiency. Patients at increased risk included menstruating females and those with marginal ulcers on endoscopy.
Researchers found that ischemic preconditioning increases arterial blood flow while portal vein flow remains unaffected, suggesting a new strategy to reduce I/R injury. The study also suggests temporary occlusion of the portal vein may help avoid complications during liver surgery.
Researchers identified age greater than 70 years as a significant risk factor for peptic ulcer in female patients taking low-dose aspirin. The study suggests a future strategy for prevention of LDA-associated gastroduodenal mucosal injury. A history of peptic ulcer was also found to be the risk factor common to both sexes.
A research team from Japan has discovered that inhibiting IGF-IR activity decreases proliferation and motility of pancreatic cancer cell lines. This finding suggests a potential new approach for treating pancreatic cancer.
A study of 145 patients with branch duct IPMN found that prognosis depends on presence of intra- or extra-pancreatic cancer. This suggests it's essential to assess for these conditions when examining IPMN patients.
A meta-analysis published in the World Journal of Gastroenterology suggests that probiotics are an auxiliary medicine for inducing and maintaining remission in ulcerative colitis. The study concluded that probiotics should be considered as a treatment option for this chronic disease.
A case-control study found that chronic upper GI symptoms are linked to poor glycemic control in type 2 diabetes patients. The study suggests that tight glucose control may reverse these symptoms.
A study published in World Journal of Gastroenterology found that biliary balloon stimulation activates the insular cortex, prefrontal cortex, and somatosensory cortex. This suggests the presence of pressure-sensitive vagal afferents in the biliary tract and potential cortical relay beyond the brainstem.
A study published in World Journal of Gastroenterology found that real-time elastography is a valuable tool for assessing liver fibrosis. The technique uses elasticity measurements to differentiate between various degrees of liver fibrosis, offering a non-invasive alternative to traditional methods.
Researchers found that hepatitis C virus infection affects hepcidin levels in patients with genotype 3a. Successful antiviral therapy was associated with decreased serum prohepcidin concentrations, suggesting a potential link between HCV and hepcidin synthesis.
Research found that IL-8 and MIF gene polymorphisms significantly increased the risk of severe atrophic gastritis and intestinal metaplasia, particularly when H. pylori infection was present. This study provides a basis for therapeutic decisions, such as H. pylori eradication therapy, to prevent gastric cancer progression.
Researchers developed a new endoscopic technique, the over-the-scope-clip (OTSC), to close chronic gastrointestinal perforations. The study successfully closed two gastro-cutaneous fistulas and suggests OTSC as a least invasive method for closing small fistulas or leaks.
A study comparing preoperative and postoperative chemoradiotherapy to surgery alone in patients with resectable esophageal squamous cell carcinoma found significant differences in overall survival and progression-free survival. Perioperative chemoradiotherapy maximizes long-term survival, but increases toxicity.
Research published in World Journal of Gastroenterology found that fermented milk with Streptococcus thermophilus CRL 1190 exhibited therapeutic effects on chronic gastritis, particularly by modulating the immune response and increasing the thickness of the gastric mucus gel layer. This natural alternative may offer a potential treatme...
DISH is a common but often unrecognized systemic disorder that can lead to mechanical esophageal dysphagia in older adults. A recent study concludes that DISH should be considered an important cause of dysphagia among older adults, although it should not be accepted as the sole cause without ruling out other possible causes.
A study published in World Journal of Gastroenterology reports successful endoscopic resection of a large ileal lipoma using the modified endoscopic submucosal dissection (ESD) technique. The procedure, combined with endoscopic unroofing, allowed for complete removal of the lesion without complications.
Research found a significant association between high LRP16 expression and early disease progression or death in patients with colorectal cancer. The study suggests that LRP16 expression may serve as a molecular marker for predicting prognosis.
Research finds enhanced MMP-9 expression in gastric cancer, while normal tissue shows no difference. Profiling matrix metalloproteinases family to understand cancer development is next step.
A research group at Case Western Reserve University found that Recql5 mutation had an important impact on tumorigenesis in the mouse GI tract. The study also suggested that Recql5 may be an important candidate for a colon cancer biomarker, and its expression was recently shown to affect sensitivity to camptothecin-based anticancer drugs.
Researchers at the Chinese University of Hong Kong investigated GI and GL values for selected Chinese traditional foods. The study found glycemic indices ranging from 30-76, with high glycemic loads detected in rice, noodles, and sweet potatoes.
A study found that Wilson disease patients' liver histology progression does not correlate with clinical parameters or treatment type. Researchers recommend considering liver biopsy with hepatic copper quantification every 3 years due to the inability of clinical tools to detect fibrosis progression despite treatment.
A new concept of early viral kinetics in peg-interferon therapy has been proposed, showing a high probability of sustained virological response in 92.1% of patients. The study suggests that a short treatment period can be efficient and safe, reducing the risk of adverse events.
Solid pseudopapillary tumors of the pancreas are rare indolent neoplasms typically occurring in young females. The symptoms were non-specific and nearly one-third of patients were asymptomatic, making misdiagnosis common. Extended resections can potentially cure SPTs, with a favorable prognosis even after recurrence or metastasis.
A new study found that ghrelin improved appetite and food intake in gastric cancer patients who had part or all of their stomach removed. Body weight loss was significantly lower in the ghrelin group compared to the placebo group, indicating a potential benefit for these patients.
A meta-analysis found that the ATG16L1 variant is associated with a higher risk of Crohn's disease and ulcerative colitis. The study also suggests a role for autophagy in IBD development, highlighting the need for further research on the gene's etiology.
A large-scale study found that patients with GERD and IBS often experience overlapping symptoms, including nausea, bowel movement changes, and extra gastrointestinal issues. This suggests a potential systemic link between the two disorders.
Researchers discovered that bone marrow cells produce nerve growth factor, which promotes angiogenesis and prevents hypoxia in transplanted islets. The study, led by Dr. Eba Hathout, found a potential role for NGF in islet transplantation and prevention of graft failure.
Researchers found dilated intercellular spaces in esophageal epithelium as a nonspecific ultrastructural feature of non-erosive reflux disease (NERD). This discovery suggests DIS is an early and sensitive marker for NERD diagnosis, providing new insights into its mechanism.
A study published in the World Journal of Gastroenterology found that hepatectomy is an effective treatment for caudate lobe HCC, with subsegmental location and liver cirrhosis affecting long-term survival. Extended hepatectomy was recommended to achieve adequate tumor margins and improve survival rates.
A study analyzed factors associated with HBsAg loss in HIV-HBV co-infected patients. Higher baseline CD4 cell counts were linked to increased loss of HBsAg, suggesting effective T-cell response against HBV. The research contributes to understanding predictors of HBsAg loss and its implications for management.
A recent study published in World Journal of Gastroenterology found a significant increase in hepatitis A cases among Korean adults, with higher rates among older patients and males. The study also revealed an abrupt rise in seroprevalence after age 30 and increased liver enzyme levels with age.