Articles tagged with Gastroenterology
A study published in the World Journal of Gastroenterology found that almost 30% of patients with CSX no longer exhibited typical chest pain after gastroenterological workup. Treatment with proton pump inhibitors significantly improved symptoms, suggesting a strong link between acid-related disorders and CSX.
Researchers found serum TGF-beta1 and s-fractalkine levels significantly increased in patients with chronic pancreatitis compared to controls. Measurement of these markers may help diagnose early-stage CP and evaluate the severity status of the disease.
A study found that ascorbic acid supplementation in diabetic rats improved myenteric neuron density by 14% and cellular area by 4.4%, suggesting moderate neuroprotection.
A rare case of adult T-cell leukemia/lymphoma (ATLL) with multiple lymphomatous polyposis is reported, highlighting the importance of endoscopic evaluation to differentiate neoplastic intestinal lesions from infectious enterocolitis. The patient presented with fever, watery diarrhea, and colonic involvement without leukemic change or v...
A study compared FibroScan with liver biopsy in patients with chronic hepatitis C, finding non-invasive methods effective for fibrosis assessment. Transient elastography outperformed traditional biopsy in differentiating significant from absent or mild fibrosis, offering an alternative to invasive procedures.
A recent study investigated the possible association between chronic pancreatitis (CP) and liver cirrhosis (LC) in alcoholic patients. The research found an inverse correlation between pancreatic and liver function tests, suggesting that these diseases evolve differently and have distinct etiopathogeny.
Research on sildenafil use in cirrhosis patients found that it does not induce profound changes in splanchnic blood flow and portal hypertension. The study suggests phosphodiesterase type-5 inhibition is not a useful therapeutic agent for alleviating portal hypertension in end-stage liver disease.
Researchers have developed a quadruple therapy regimen that shows promise in treating peptic ulcer disease, achieving an eradication rate of 68.8% in a study of 51 patients. The new treatment combines omeprazole, amoxicillin, clarithromycin, and furazolidone, with only 31.4% of patients experiencing adverse effects.
HBV infection induces increased steady state of ATR protein and phosphorylation of downstream targets including Chk1, p53, and H2AX. The level of Mre11 and p21 were reduced after HBV-positive serum addition. This suggests that HBV escapes the consequences of activation of the DNA damage checkpoint by degradation of checkpoint proteins.
This study investigates the correlation between changes in CT perfusion parameters pre- and post-TACE treatment of HCC and various responses to TACE. The findings suggest that CT perfusion imaging is a feasible technique for monitoring response of HCC to TACE, indicating its potential as an adjunctive tool in clinical practice.
The biomagnetic technique assesses esophageal transit time using a non-invasive method that avoids ionizing radiation. The study found that ETT is affected by anatomical position, with faster rates in the supine position.
A study published in the World Journal of Gastroenterology found no association between ineffective esophageal motility and gastropharyngeal reflux disease. Patients with IEM had similar acid clearance times as those with normal esophageal motility, suggesting that conventional manometry may not be able to evaluate true esophageal effe...
Research published in the World Journal of Gastroenterology found that dietary glycine significantly decreased liver injury due to bile duct ligation in rats. Hepatic injury was reduced by a direct effect on hepatocytes, whereas Kupffer cells did not play a major role in cholestatic models.
Researchers investigated Kupffer cell dynamics and phagocytic activity in a rat NASH model, confirming the effectiveness of CEUS examination in diagnosing NASH. The contrast effect in the liver parenchymal phase using Levovist® strongly implicates Kupffer cells in NASH pathogenesis.
A study published in the World Journal of Gastroenterology found that berberine increases insulin sensitivity in rat islets through the modulation of HNF4 alpha expression and glucokinase activity. Berberine enhances glucose-stimulated insulin secretion in a dose-dependent manner.
Collagenous colitis is characterized by chronic watery diarrhea and abnormal collagen deposition. A rare case of collagenous colitis presenting as protein-losing enteropathy has been reported, with successful treatment with prednisolone. The condition should be included in the differential diagnosis for chronic diarrhea with hypoprotei...
Researchers successfully performed EUS-guided choledochoduodenostomy in four patients with failed ERCP, achieving rapid improvement of obstructive jaundice. In some cases, a plastic stent or naso-biliary drainage tube was used to manage complications.
A case-series study found that rectal doses of d-alpha tocopherol reduced disease severity and promoted clinical remission in patients with active ulcerative colitis. The treatment's antioxidant and anti-inflammatory effects were likely responsible for the observed benefits.
Research shows that lubiprostone and PEG 3350 can enhance mucosal barrier function in ischemic-injured intestine. Lubiprostone stimulates chloride secretion via ClC-2, recruiting tight junction proteins to the apical-lateral membrane, while PEG 3350 generates an osmotic gradient that drags electrolytes and fluid into the lumen.
A study published in the World Journal of Gastroenterology found that overall beta-catenin expression is associated with better differentiation and earlier staging in colorectal cancer. High staining density also predicted superior survival, suggesting an alternative role for beta-catenin beyond the Wnt-signaling pathway.
A study published in World Journal of Gastroenterology has identified twenty-three differentially expressed proteins between gastric cancer and normal tissues, serving as potential candidate markers. These biomarkers may aid in early diagnosis, treatment targets, and patient prognosis.
A new Eph receptor tyrosine kinase, EphA4, is overexpressed in gastric cancer and associated with depth of invasion, recurrence, and poor prognosis. The study also found that EphA4 forms a hetero receptor complex with FGFR1, potentiating FGFR-mediated downstream signal transduction.
A large population-based case-control study found that patients with type 2 diabetes mellitus (DM2) have a significantly increased risk of hepatocellular carcinoma (HCC), independent of cofactors. The study suggests that DM2 may be a concourse rather than merely a consequence of the liver tumor.
Researchers found that H2-receptor blocking pharmacon and protease inhibitors decreased Sphincter of Oddi basal pressure. The study used choledochoscope manometry to assess the effects of various drugs on SO motility, providing insights for clinical practice.
Researchers have discovered a novel marker for colon cancer, revealing differentially expressed genes that can help identify diagnostic and therapeutic targets. The study's findings provide new insights into the progression of colon cancer and may lead to improved patient outcomes.
Stapled hemorrhoidopexy is a safe and effective procedure but can lead to life-threatening complications. Pelvic sepsis after stapled hemorrhoidopexy has a high mortality rate due to the lack of established treatment protocols, emphasizing the need for further research to identify optimal management strategies.
Research on ethanol-induced gastric mucosa injury reveals the critical role of oxidative stress in energy metabolism disturbance. Elevated ethanol exposure time increases malondialdehyde content, damaging mitochondria ultrastructure.
Research reveals NOD2's importance in regulating colonic epithelial cell growth and survival, highlighting its role in maintaining the integrity of the intestinal epithelial cell barrier. This function is crucial for protection against pathogenic and opportunistic bacterial infections.
A study published in the World Journal of Gastroenterology found that patients with chronic HCV infection have a higher risk of developing idiopathic pulmonary fibrosis compared to those with HBV. The risk factors include age, liver cirrhosis, and smoking, with patients over 55 and those with liver cirrhosis showing the highest incidence.
The AGA Institute published evidence-based guidelines for the management and treatment of suspected GERD, highlighting the need for high-quality clinical trials. The guidelines recommend various treatments, including proton pump inhibitors and antireflux surgery, to improve patient outcomes.
A study found that hypertriglyceridemia is independently associated with the severity of acute pancreatitis and leads to systemic complications. High triglyceride levels were linked to increased incidence of admission hypocalcemia, renal failure, shock, infection, and mortality in patients with severe acute pancreatitis.
Research reveals endocan protein expression is higher in normal tissues than in colorectal cancer, with positive correlation to tissue differentiation. Elevated serum levels of endocan found in late-stage lung cancer, suggesting its potential as a biomarker.
Researchers investigated etiology, diagnosis, and treatment of spontaneous colon perforation, a rare condition with high mortality rate. The study found that chronic constipation was common among patients and that surgical intervention was often necessary.
Researchers found that chronic hepatitis B patients have higher PD-1 expression on T cells, which impairs HBV-specific T cell responses. In contrast, acute exacerbation of hepatitis B patients have lower PD-1 expression and more intense HBV-specific T cell responses.
A study published in the World Journal of Gastroenterology found a significant association between laryngopharyngeal reflux (LPR) and reflux esophagitis. The research identified age, hoarseness, and hiatus hernia as factors significantly associated with LPR. Further study is needed to elucidate the importance of hiatus hernia in LPR.
Researchers discovered that chlorella crude extract improves intestinal adaptation in rats with short bowel syndrome, increasing villi height and absorption rates. This finding suggests an alternative to commercial enteral products for treating SBS.
Research found that inherited and acquired risk factors play a significant role in abdominal venous thrombosis. Acquired risk factors were more common in patients with Superior Vena Cava Syndrome (SVT), while hereditary risk factors were similar in both BCS and SVT groups.
A study published in the World Journal of Gastroenterology found that CT colonography is accurate for detecting colonic masses or polyps equal to or greater than 10mm. This non-invasive technique replaced double contrast barium enema (DCBE) for evaluating incomplete colonoscopies.
Researchers found MRN can be differentiated from HCC using CT/MRI features, including typical hyperdense appearance and lack of enhancement. Liver biopsy can be avoided if supported by these images, reducing the need for repeated biopsies.
This study investigates whether delayed ethyl pyruvate therapy can attenuate experimental SAP via reducing serum HMGB1 levels in rats. The results showed that ethyl pyruvate significantly reduced serum HMGB1 levels, protected against liver, renal, and lung injury, and prolonged survival time in rats.
Research found that surgical tumor removal significantly elevated serum levels of TF and Tn antibodies in gastrointestinal cancer patients, particularly those with G3 tumors. The postoperative follow-up showed a correlation between the level of anti-TF IgG and lymphocyte count, as well as between anti-Tn IgG and serum CA 19-9 levels.
Researchers explored the effects of ethanol on IGF-I system and JNK1/2 activity, revealing its role in liver damage. Ethanol exposure altered p-JNK1/2 activity, IGF-I system, and cell viability in hepatocytes.
Prednisolone administration significantly suppressed serum AST and ALT levels, prevented cell membrane bleb formation, and inhibited calpain mu activation. The study's findings suggest that prednisolone's cytoprotective effect is closely associated with the suppression of these inflammatory markers.
This epidemiologic study investigates the prevalence and demography of microscopic colitis in Turkey. Lymphocytic colitis was found to be 4 times more frequent than collagenous colitis in patients with chronic non-bloody diarrhea of unexplained etiology.
Researchers found that summer months are the most common time to diagnose eosinophilic esophagitis (EoE), with August being the peak month. The condition can mimic symptoms of acid reflux disease and requires a biopsy to distinguish it.
A new study suggests that implementing a nationwide CRC screening program for uninsured patients starting at age 55 can reduce healthcare costs by an estimated $2.58 for every dollar spent, saving over $1 million in federal healthcare dollars annually.
A new study suggests that colon cancer screening for patients starting at age 55 could save the US at least $2 for every dollar spent. The research found that nearly 45% of uninsured patients who underwent free colonoscopies had polyps, highlighting the need for earlier screening.
A new biologic therapy called TNFeradeTM improved the median survival of patients with locally advanced esophageal cancer from 9.7 to 48.4 months. Researchers found that most tumors were adenocarcinomas and could be treated with surgery after combination therapy, showing promise for this treatment approach.
A Mayo Clinic study implemented a radio-frequency identification system to track biopsy specimens and automate identification. The initiative resulted in a significant reduction of specimen-labeling errors, from 765 in 2007 to 47 in 2008. The new labeling system improved safety and quality efforts in specimen management.
Studies emphasize the importance of adequate bowel preparation prior to colonoscopy, highlighting its effectiveness in detecting and removing pre-cancerous polyps. Poor quality bowel preparation is associated with missed cancers and undetected polyps.
Researchers found a novel connection between high levels of air pollution and the risk of appendicitis, with patients approximately 15% more likely to be hospitalized on days of highest ozone concentrations. The effect was strongest during summer months, when people were more outside.
A study published in Clinical Gastroenterology and Hepatology confirms that colonoscopy reduces colorectal cancer incidence, with the greatest benefit seen after seven years of follow-up. However, the effectiveness of colonoscopy is reduced for cancers arising in the proximal colon.
A new study found that patients with specific genetic variations lose more weight when taking the weight loss drug sibutramine and undergoing behavioral therapy. The research suggests gene pairs can predict treatment effectiveness, which could help personalize medicine for obesity treatment.
Researchers found erlotinib to effectively block EGFR, improving survival in patients with pancreatic cancer. In vitro studies revealed erlotinib's ability to repress cell growth, induce apoptosis, and suppress angiogenesis.
Researchers studied SIPMP phenotypes of faecal anaerobic isolates from patients with diarrhea, finding 80-92.86% positivity rates for certain bacteria species, suggesting a potential link between anaerobe infections and antimicrobial peptide production.
Researchers investigated the role of interleukin-10 in reducing ischemia-reperfusion injury using DHP-PMX therapy. The study demonstrated that IL-10 may inhibit I/R injury, providing new insights into this critical problem.
Researchers found that fecal levels of FC and MPO can be used as surrogate markers for successful treatment outcome in IBD patients. The study also showed that elevated fecal markers are associated with relapse, but normalized FC level may indicate successful treatment.
Researchers found a significant relationship between loss of heterozygosity (LOH) frequencies on the D4S3018 locus and larger tumor size. Additionally, LOH at the D4S1534 locus was linked to liver metastasis in sporadic colorectal carcinoma patients.
A recent study has compared the results of RPA with or without modified blow-hole colostomy in patients with acute sigmoid volvulus. The findings suggest that RPA with modified blow-hole colostomy provides satisfactory results in preventing anastomotic leak, making it a promising approach for this condition.
Researchers found that serum CA19-9 levels correlate with TNM staging and tumor size in patients with pancreatic cancer. The study used ROC curve analysis to evaluate the clinical value of serum CA19-9 levels in predicting respectability, revealing a high accuracy of 93.1% sensitivity and 78.3% specificity.