{"title":"Gut Microbiota and Gastrointestinal Polyps: Unveiling the Causal Connection.","authors":"Tarkan Karakan","doi":"10.5152/tjg.2025.0201254","DOIUrl":"10.5152/tjg.2025.0201254","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":"36 5","pages":"266-268"},"PeriodicalIF":1.4,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12070430/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144045340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"General Characteristics of patients with Primary Biliary Cholangitis from Türkiye and Denmark.","authors":"Cumali Efe, Ersin Batıbay, Tugrul Purnak","doi":"10.5152/tjg.2025.0201253","DOIUrl":"10.5152/tjg.2025.0201253","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":"36 4","pages":"198-199"},"PeriodicalIF":1.6,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12001535/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143781855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Serhat Bor, Anahita Sadeghı, Sezgi Kıpcak, Ali Senkaya
{"title":"Normal Values in Esophageal High-Resolution Manometry Performed Using 36-Channel Water-Perfused Catheter or Solid-State Catheter.","authors":"Serhat Bor, Anahita Sadeghı, Sezgi Kıpcak, Ali Senkaya","doi":"10.5152/tjg.2025.24582","DOIUrl":"10.5152/tjg.2025.24582","url":null,"abstract":"<p><strong>Background/aims: </strong>Manometric measurements are crucial for diagnosing esophageal motility disorders. High-resolution manometry (HRM) studies mainly use 2 catheter systems: solid state (SS) and water perfused (WP), each with distinct advantages. This study aimed to establish normal values for esophageal manometry using both 36-channel WP and SS catheters in healthy volunteers.</p><p><strong>Materials and methods: </strong>This study, conducted between January 2017 and September 2018, included 44 healthy volunteers with no upper gastrointestinal symptoms or history of gastrointestinal surgery (except inguinal hernia repair or appendectomy). Participants gave written informed consent, abstained from medications and alcohol, and underwent normal endoscopy. They then had 2 consecutive esophageal manometry sessions, 1 day apart, using a 36-channel SS-HRM catheter and a 36-channel WP-HRM catheter. All tracings were analyzed using the Chicago classification version 3.0.</p><p><strong>Results: </strong>Four participants were excluded due to gastroesophageal reflux disease (GERD). Of the remaining 40 (age 37.4 ± 7.6, 62.5% male), all underwent WP-HRM, and 34 underwent SS-HRM. In SS-HRM, 74 of 386 swallows were <450 mm Hg·s·cm; in WP-HRM, 151 of 441 swallows were <<450 mm Hg·s·cm. Thus, 4 of 34 volunteers (11.8%) in SS-HRM and 12 of 40 (30%) in WP-HRM had ≥50% swallows with DCI <450 mm Hg·s·cm. Median IRP4 was 17 (7-27) mm Hg in SS-HRM vs. 6 (0-18) mm Hg in WP-HRM. The 5th-95th percentile DCI was 183-2962 mm Hg·s·cm in SS-HRM vs. 65.5-1711.5 mm Hg·s·cm in WP-HRM.</p><p><strong>Conclusion: </strong>This study compares normal values and differences in WP-HRM and SS-HRM among healthy Turkish volunteers, demonstrating differing diagnostic criteria and providing valuable reference data for future studies.</p>","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"515-522"},"PeriodicalIF":1.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12344881/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144004739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Rare Case of Early Gastric Mixed Neuroendocrine-Non-Neuroendocrine Neoplasm.","authors":"Shouxin Yin, Shuai Han, Shuangshuang Ren","doi":"10.5152/tjg.2025.24574","DOIUrl":"10.5152/tjg.2025.24574","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"474-476"},"PeriodicalIF":1.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12257710/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144004445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yusra Khan, Zhi Sean Teng, Raza Sayyed, Alaa El-Hussuna
{"title":"Retrospective Studies with Small Sample Size are Still Dominating Colon Cancer Research: Local Recurrence in Right Sided Colon Cancer as a Case in Point.","authors":"Yusra Khan, Zhi Sean Teng, Raza Sayyed, Alaa El-Hussuna","doi":"10.5152/tjg.2025.24749","DOIUrl":"10.5152/tjg.2025.24749","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":"36 5","pages":"333-335"},"PeriodicalIF":1.6,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12070443/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144052348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zeren Barış, Müberra Canbaz, Beyzanur Yılmaz, Neslihan Üstün, Yusuf Aydemir
{"title":"Applicability of ESPGHAN Biopsy-Free Guidelines for Celiac Disease Diagnosis: Insights from Türkiye.","authors":"Zeren Barış, Müberra Canbaz, Beyzanur Yılmaz, Neslihan Üstün, Yusuf Aydemir","doi":"10.5152/tjg.2025.24718","DOIUrl":"10.5152/tjg.2025.24718","url":null,"abstract":"<p><strong>Background/aims: </strong>The biopsy-free diagnostic approach for celiac disease (CD) in children, recommended by ESPGHAN guidelines, is not widely implemented in pediatric gastroenterology centers across Türkiye. This study aimed to retrospectively evaluate patients who met ESPGHAN biopsy-free criteria but were nonetheless diagnosed through biopsy.</p><p><strong>Materials and methods: </strong>Of 180 pediatric patients diagnosed with CD in the authors' department over 5 years, 79 (43.8%) met the ESPGHAN biopsy-free criteria. All patients underwent routine biopsies of the duodenum, bulb, antrum, corpus, and esophagus at diagnosis. Clinical presentations, celiac serology, and endoscopic and histopathological findings were retrospectively analyzed.</p><p><strong>Results: </strong>The mean age at diagnosis was 7.48 ± 4 years (range, 2-17; M/F: 38/41). Presenting symptoms included growth failure (32.9%), abdominal pain (22.8%), constipation (8.9%), diarrhea (7.6%), anemia (6.3%), vomiting (5%), and elevated liver enzymes (1.3%). Fourteen patients (17.7%) were diagnosed via screening; 9 (64.3%) had type 1 diabetes. Endoscopy findings were consistent with CD in 77 patients; 2 had normal results. Non-celiac endoscopic findings were seen in 19 patients. Histopathology confirmed Marsh 3 lesions in 78 patients; 1 had normal findings, with tTG IgA levels normalizing at a 4-month follow-up. The positive predictive value of biopsy-free criteria was 98.7%. Non-celiac findings (in 24 patients) included Helicobacter pylori gastritis (n = 7) and eosinophilic esophagitis (n = 2).</p><p><strong>Conclusion: </strong>The biopsy-free diagnostic approach accurately identifies CD in most cases but may miss treatable conditions like eosinophilic esophagitis or H. pylori infection, especially in endemic regions. Misdiagnoses, though rare, highlight the need for careful evaluation in populations with diverse clinical presentations.</p>","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"531-536"},"PeriodicalIF":1.6,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12344901/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144038908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"White Bile Detected During Endoscopic Retrograde Cholangiopancreatography: A Rare Phenomenon and Its Clinical Implications.","authors":"İdris Kurt, Yalçın Taymez, Görkem Karadağ","doi":"10.5152/tjg.2025.25018","DOIUrl":"10.5152/tjg.2025.25018","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"408-409"},"PeriodicalIF":1.6,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12147301/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143997482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Juanli Wu, Yushuang Zhang, Han Gao, Yiheng Zhang, Tao Li, Lei Wang, Yundong Qu
{"title":"Lower Serum HBV RNA Level is Associated with Liver Cirrhosis in Patients Treated with Nucleos(t)ide Analogs: A Population-Based Cross-Sectional Study.","authors":"Juanli Wu, Yushuang Zhang, Han Gao, Yiheng Zhang, Tao Li, Lei Wang, Yundong Qu","doi":"10.5152/tjg.2025.24648","DOIUrl":"10.5152/tjg.2025.24648","url":null,"abstract":"<p><strong>Background/aims: </strong>There is evidence suggesting an association between hepatitis B virus (HBV) RNA and hepatic fibrosis in treatmentnaïve chronic hepatitis B (CHB) patients. However, few studies have delved into the relevance between HBV RNA and HBV-related cirrhosis. The purpose of this article is to elucidate the connection between HBV RNA and cirrhosis in patients undergoing nucleos(t)ide analogs (NAs).</p><p><strong>Materials and methods: </strong>This study included 381 patients. Logistic regression was employed to investigate the variables linked to the development of cirrhosis. Propensity score matching was used to correct for confounders.</p><p><strong>Results: </strong>In this cross-sectional study, multivariable logistic regression showed HBV RNA detectability was associated with cirrhosis. Multivariate regression suggests that the variables associated with cirrhosis were: older age, HBV RNA above the lower limit of quantification, shorter duration of treatment, higher level of serum bilirubin, and treatment strategy. Among patients with quantifiable HBV RNA (n = 242), cirrhotic patients exhibit lower median serum HBV RNA titers compared to those with CHB patients. Furthermore, qHBsAg ≤ 3.3 lg IU/mL and qHBV RNA ≤ 3.7 lg copies/mL may be linked to cirrhosis.</p><p><strong>Conclusion: </strong>Nucleos(t)ide analogs treatment may result in varying degrees of decrease in HBV RNA levels. Lower levels of HBV RNA may be linked to the development of cirrhosis.</p>","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"442-449"},"PeriodicalIF":1.4,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12257797/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144031387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Low Circulating Levels of Omentin-1 and Irisin in Type 2 Diabetes Mellitus Patients with Metabolic-Associated Fatty Liver Disease.","authors":"Hua-Ying Li, Yan-Yan Zhang, Xia-Ming Cai, Xiang Chen","doi":"10.5152/tjg.2025.24639","DOIUrl":"10.5152/tjg.2025.24639","url":null,"abstract":"<p><strong>Background/aims: </strong>The study analyzed the roles of circulating omentin-1 and irisin in patients with type 2 diabetes mellitus (T2DM) concomitant with metabolic-associated fatty liver disease (MAFLD).</p><p><strong>Materials and methods: </strong>This cross-sectional study included 80 patients with T2DM but no MAFLD, 62 patients with MAFLD but no T2DM, 50 T2DM patients having MAFLD (T2DM/MAFLD), and 80 healthy individuals.</p><p><strong>Results: </strong>The serum levels of omentin-1 and irisin were both significantly reduced in patients with T2DM coexisting with MAFLD compared to T2DM or MAFLD patients alone. In T2DM patients, the level of omentin-1 decreased as the level of fasting plasma glucose (FPG) increased and the level of high-density lipoprotein cholesterol (HDL-C) reduced; the level of irisin decreased as the levels of FPG and fasting insulin (FINS) increased. In MAFLD patients, a lower level of omentin-1 was correlated with a lower level of HDL-C but with a greater waist-to-hip ratio (WHR), alanine aminotransferase and aspartate aminotransferase levels; a lower level of irisin was correlated with higher WHR and FINS level. In patients with T2DM coexisting with MAFLD, those with a lower level of omentin-1 were found to have a lower level of HDL-C concurrent with lower WHR and triglyceride level; and those with a lower level of irisin showed lower WHR, FPG and FINS levels. Combined evaluation of omentin-1 and irisin for diagnosing T2DM coexisting with MAFLD yielded an area under the curve of 0.943.</p><p><strong>Conclusion: </strong>These findings suggest the assessment potential of omentin-1 and irisin for T2DM coexisting with MAFLD.</p>","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":" ","pages":"450-458"},"PeriodicalIF":1.4,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12257686/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Liver Transplantation for Autoimmune Hepatitis: Infections are the Major Cause of Mortality.","authors":"Nilay Danış, Fulya Günşar","doi":"10.5152/tjg.2025.0201252","DOIUrl":"10.5152/tjg.2025.0201252","url":null,"abstract":"","PeriodicalId":51205,"journal":{"name":"Turkish Journal of Gastroenterology","volume":"36 3","pages":"133-134"},"PeriodicalIF":1.6,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11899962/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143651685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}