Articles tagged with Gastroenterology
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.
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.
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.
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.
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 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 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 successfully treated bleeding gastric varices using a novel sclerotherapy combining alpha-cyanoacrylate alkyl with aethoxysklerol, with no complications or re-bleeding observed in six months. The treatment was found to be an effective alternative for obliteration and eradication of gastric fundal varices.
Researchers found that administering a traditional Chinese medicine Dachengqi Decoction combined with Glauber's salt improved treatment outcomes for patients with severe acute pancreatitis and abdominal compartment syndrome. The study suggested that this therapeutic protocol can lower IAP, relax symptoms of ACS, slow disease progressio...
A study using PET/CT showed an accuracy of 82.6% in detecting tumor recurrence, with clinical decisions changed for 30.4% patients. Molecular imaging technology may provide new applications for improving long-term survival in gastric cancer patients.
Researchers used ultrasonography to diagnose biliary atresia in patients. The study found that the triangular cord was a specific feature of the disease, while flat and small gallbladders were also diagnostic. Hepatomegaly and heterogeneous echogenicity were proportional with liver fibrosis.
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.
Researchers have developed a novel method to rapidly select anti-HBV agents for chronic hepatitis B patients with drug resistance. The approach involves replicating clinical HBV isolates in an in vitro model system, allowing for the identification of antiviral agents such as adefovir that can inhibit HBV replication.
A study compared the diagnostic accuracies of endorectal ultrasound and pelvic phased-array magnetic resonance imaging for preoperative staging of rectal carcinoma. The results showed that phased-array MRI was slightly superior in determining transmural invasion depth, but both methods were similar in detecting lymph node metastases.
The study found that high concentrations of serum folate/vitamin B12 are associated with an increased risk of promoter methylation in tumor-specific genes, which is modified by the MTHFR C677T genotype. The results suggest a potential protective effect against colorectal cancer.
Two novel histone deacetylase inhibitors, NVP-LBH589 and NVP-LAQ824, have been shown to suppress the growth of human pancreatic cancer cells and induce apoptosis in vitro and in vivo. Further studies are recommended for their potential treatment.
A study published in World Journal of Gastroenterology found that patients with ineffective oesophageal motility exhibiting different contractile patterns experience distinct symptoms, including heartburn and dysphagia. The research suggests the possibility of tailored treatment strategies for selected IOM patients.
Researchers found that ellagic acid increases programmed cell death and decreases proliferation of pancreatic cancer cells. The compound also reduces the activity of the pro-survival transcription factor NF-kB, which may help overcome resistance to radio and chemotherapies.
The study found that Qianggan-Rongxian decoction can inhibit hepatic fibrosis and prevent the development of cirrhosis in rats. It also showed a significant reduction in serum levels of ALT and AST, indicating liver cell protection.
Researchers investigated the relationship between Dendroaspis natriuretic peptide (DNP) and gastric motility. They found that DNP relaxes gastric antral circular smooth muscle via the cGMP/cGMP-dependent protein kinase pathway, which may help regulate gastrointestinal function.
Research team constructs eukaryotic plasmids containing HBV C genotype and lamivudine-resistant sequences, providing an experimental basis for in vitro studies on HBV lamivudine-resistant mutants. The results contribute to understanding the mechanism of HBV lamivudine-resistance.
Researchers found that reduced expressions of E-cadherin and P120 were associated with tumor grade and patient survival in cholangiocarcinoma. These biomarkers may serve as potential diagnostic and prognostic indicators for ICCs.
A novel case of coexisting small cell neuroendocrine carcinoma and villous adenoma in the ampulla of Vater is reported. The patient underwent Whipple's operation, but unfortunately died from pneumonia three months post-surgery.
Primary aortoenteric fistula (PAEF) is a rare but life-threatening condition that can cause massive gastrointestinal bleeding. PAEFs often present with a herald bleed prior to exsanguination, making early diagnosis challenging. The incidence of PAEF is likely higher than estimated, and prompt surgical intervention is crucial for survival.
Researchers found that mirtazapine increased appetite and reversed weight loss, while fluoxetine suppressed food intake and promoted weight loss. These antidepressants had no effect on pancreatic tumor growth.
Researchers found that quadruple therapy is effective in treating H. pylori-related diseases, but side effects can compromise patient compliance. Modifying the regimen or educating patients about side effects can improve treatment outcomes.
Research suggests that electrocautery shovel is a viable alternative to ultrasonically activated scalpel in laparoscopic rectal cancer operations, achieving similar clinic effects while reducing costs. The study's findings support the use of electrocautery shovel in laparoscopic surgery with proper technique and anatomical understanding.
Research reveals T tube patients with duodenal-biliary reflux, sphincter of Oddi hypomotility, and abnormal gastrointestinal hormone secretion. The disorder may cause recurrence of gallstones.
A case of ulcerative colitis complicated by Strongyloides stercoralis infection is reported. The patient's symptoms worsened after corticosteroid treatment, leading to the diagnosis of parasitic infection. Treatment with anti-parasitic drugs resulted in complete recovery.
A study of 236 advanced gastric cancer patients found that the metastatic lymph node ratio is significantly correlated with five-year survival rates and can be used to project survival rates. The MLR also reflects the extent and efficiency of lymphadenectomy.
The study found that rebamipide enema therapy significantly reduced mean fasting period and duration of hospitalization compared to conventional therapy. The degree of ulcer healing also showed a favorable trend, although not statistically significant.
A new endoscopic technique using EMR-L with 3D-EUS has shown promising results in the complete resection of rectal carcinoids. The study demonstrated a significantly higher rate of complete resection compared to traditional EMR-L alone, with a vertical resection margin also increasing.
A study published in the World Journal of Gastroenterology found that Gecko has anti-tumor effects by inducing apoptosis and down-regulating protein expression of VEGF and bFGF. This mechanism may provide a foundation for its effective constituent and offer an alternative to chemotherapy.
A previously asymptomatic man developed a huge peritoneal mass after spontaneous rupture of hepatocellular carcinoma. The association between the metastatic tumor and viral infection, AFP level, or age was lacking due to few reported cases.
Four patients with pre-exposed lamivudine resistance experienced rapid re-emergence of YMDD mutations and significant viral rebound after lamivudine re-treatment. Sequential administration of lamivudine is discouraged in these cases.
A meta-analysis of 22 studies found that endoscopic ultrasound (EUS) is highly accurate in staging gastric cancer, with higher sensitivity and specificity for advanced disease. EUS can help determine the most appropriate treatment approach for patients with gastric cancer, including curative or palliative therapies.
Researchers detected extensive microsatellite alterations in D3S1616, D5S346, D2S123, D3S1300 and D18S58 loci in the metaplasia-dysplasia-adenocarcinoma sequence of Barrett esophagus. These findings suggest that these markers may be useful for early detection of esophageal adenocarcinoma.
A 22-year-old woman swallowed a 12-cm long toothbrush handle, leading to duodenal perforation. Despite failed endoscopic removal, surgery revealed the injury and highlighted the importance of early intervention for gastric foreign body ingestion.
Contrast-enhanced ultrasound (CE-IOUS) outperforms intraoperative ultrasound (IOUS) in characterizing liver tumors by enhancing nodule vascularity and tissue microcirculation. This improves the accuracy of surgeons during hepatic surgeries for cirrhotic livers.
A recent study published in World Journal of Gastroenterology demonstrates that lithium inhibits the proliferation of esophageal squamous cell carcinoma cells by targeting GSK-3beta. This finding suggests a novel possibility for the treatment of esophageal cancer with lithium chloride, providing new hope for patients with this disease.
Research finds that anti-apoptotic Bcl-2 proteins, such as Bcl-xL and Mcl-1, contribute to apoptosis resistance in colorectal cancer cells. Knockdown of these proteins sensitizes CRC cells to chemotherapy and targeted therapies, suggesting a potential new approach to improving treatment outcomes.
Increased intestinal macromolecular permeability and urinary nitrite excretion are associated with liver cirrhosis with ascites. The study suggests that these factors may contribute to the development of encephalopathy in patients with liver cirrhosis.
A study published in World Journal of Gastroenterology found that severe comorbidity is the main factor affecting clinical outcome in very old patients with acute gastrointestinal bleeding. Older patients (over 80 years) experience similar severity and rebleeding rates as younger populations, but higher mortality rates.
A case report describes a patient with stage IV diffuse large B-cell lymphoma (DLBCL) infiltrating the stomach, who responded well to chemotherapy. Endoscopic examination and biopsy confirmed the diagnosis, highlighting the importance of this diagnostic method for suspected gastric DLBCL.
The study found that Curcuma wenyujin essential oil exhibits antiproliferative effects in HepG2 cells by inducing apoptosis, associated with cell cycle arrest and mitochondrial membrane potential loss. The results suggest the potential value of developing ezhu as a chemotherapeutic agent for liver cancer treatment.
A study published in the World Journal of Gastroenterology found that HCV-infected patients without initial liver damage are at risk of fibrosis progression. Factors associated with this development include elevated transaminases, body mass index above 25, and time interval between biopsies.
Researchers found that melatonin rhythm abnormalities worsen as cirrhosis progresses, and abnormal pituitary hormone patterns can predict hepatic encephalopathy development. These findings suggest that melatonin circadian rhythm abnormalities may be an early indicator of liver disease severity.
The study found that GST-pi was highly expressed in neoplastic tissues and exhibited a significant increase in intensity with the grade of dysplasia. In addition, the research revealed unique ultrastructural changes in some cases characterized as mild-grade dysplasia.