{"title":"Comprehensive pathological evaluation of risk factors for metastasis after endoscopic resection of superficial esophageal squamous cell carcinoma.","authors":"Ryu Ishihara, Hiroshi Kawachi, Kaoru Nakano, Tomohiro Kadota, Kenshi Matsuno, Ayumu Takizawa, Takashi Matsunaga, Akiyoshi Ishiyama, Tomonori Yano, Hiroaki Takahashi, Satoshi Fujii","doi":"10.1007/s00535-024-02189-6","DOIUrl":"10.1007/s00535-024-02189-6","url":null,"abstract":"<p><strong>Background: </strong>Esophageal cancer is a major cause of cancer mortality worldwide. Endoscopic resection (ER) is a curative treatment for esophageal squamous cell carcinoma (ESCC). Predicting risk of metastasis is crucial for post-ER management. In this study, we aimed to identify predictors of metastasis by examining endoscopically resected specimens.</p><p><strong>Methods: </strong>The cohort of this retrospective multicenter study comprised 422 patients who had undergone ER for ESCC from 1994 to 2017. Inclusion required a histological diagnosis of pT1a-muscularis mucosa or pT1b-submucosa (SM) cancer. Central pathological review comprehensively evaluated depth of invasion, lymphovascular invasion (LVI), droplet infiltration (DI), infiltrative growth pattern, histological differentiation, intraductal and intraglandular involvement, solitary nest, resected margin, and other factors. Logistic regression was used to identify predictors of metastasis.</p><p><strong>Results: </strong>Metastases were identified in 103 patients. Univariate analysis identified LVI, depth of invasion, and DI as significant predictive factors. Multivariate analysis identified LVI, depth of invasion pT1b-SM2 (odds ratio 2.72) and indeterminate (positive vertical margin) (odds ratio 3.63) compared with the reference category of pT1b-SM1 as independent predictors of metastasis. Conversely, there were no significant associations between metastasis and lesion size, differentiation, cytological atypia, or infiltration pattern. Subgroup analysis showed that both the number and layer of LVI were associated with metastasis risk. In addition, four or more foci of DI was an independent predictor of LVI.</p><p><strong>Conclusions: </strong>LVI and depth of invasion were significant predictors of metastasis in ESCC. Detailed pathological evaluation and standardized criteria are essential for accurately assessing risk of metastasis and guiding post-ER treatment strategies.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"131-140"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142716396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development and validation of a claims-based algorithm to identify incidents and determine the progression phases of gastric cancer cases in Japan.","authors":"Takahiro Inoue, Nobukazu Agatsuma, Takahiro Utsumi, Yukari Tanaka, Yoshitaka Nishikawa, Takahiro Horimatsu, Takahiro Shimizu, Mitsuhiro Nikaido, Yuki Nakanishi, Nobuaki Hoshino, Yoshimitsu Takahashi, Takeo Nakayama, Hiroshi Seno","doi":"10.1007/s00535-024-02167-y","DOIUrl":"10.1007/s00535-024-02167-y","url":null,"abstract":"<p><strong>Background: </strong>Although health insurance claims data can address questions that clinical trials cannot answer, the uncertainty of disease names and the absence of stage information hinder their use in gastric cancer (GC) research. This study aimed to develop and validate a claims-based algorithm to identify and determine the progression phases of incident GC cases in Japan.</p><p><strong>Methods: </strong>The gold standard for validation in this retrospective observational study was medical records of patients with incident GC who underwent specific treatments, defined by the claim codes associated with GC treatment. The algorithm was developed and refined using a cohort from two large tertiary care medical centers (April-September 2017 and April-September 2019) and subsequently validated using two independent cohorts: one from different periods (October 2017-March 2019 and October 2019-March 2021) and the other from a different institution (a community hospital). The algorithm identified incident cases based on a combination of the International Classification of Diseases, 10th Revision diagnosis codes for GC (C160-169), and claim codes for specific treatments, classifying them into endoscopic, surgical, and palliative groups. Positive predictive value (PPV), sensitivity of incident case identification, and diagnostic accuracy of progression phase determination were evaluated.</p><p><strong>Results: </strong>The developed algorithm achieved PPVs of 90.0% (1119/1244) and 95.9% (94/98), sensitivities of 98.0% (1119/1142) and 98.9% (94/95) for incident case identification, with diagnostic accuracies of 94.1% (1053/1119) and 93.6% (88/94) for progression phase determination in the two validation cohorts, respectively.</p><p><strong>Conclusions: </strong>This validated claims-based algorithm could advance real-world GC research and assist in decision-making regarding GC treatment.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"141-151"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11794417/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142716397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of ursodeoxycholic acid treatment on Fontan-associated liver disease.","authors":"Tomomi Kogiso, Yuri Ogasawara, Makiko Taniai, Eriko Shimada, Kei Inai, Katsutoshi Tokushige, Yousuke Nakai","doi":"10.1007/s00535-024-02168-x","DOIUrl":"10.1007/s00535-024-02168-x","url":null,"abstract":"<p><strong>Background: </strong>Fontan-associated liver disease (FALD) is a type of progressive liver fibrosis that occurs following Fontan surgery and can be complicated by hepatocellular carcinoma (HCC). Established treatments for FALD are lacking. Therefore, we investigated the efficacy of ursodeoxycholic acid (UDCA) in patients with FALD.</p><p><strong>Methods: </strong>This single-center retrospective study was conducted from 2003 to 2024 and involved 220 patients (103 men, 46.8%) who had been diagnosed with FALD. UDCA was administered to 113 patients presenting with liver or biliary enzyme abnormalities. We evaluated the patients' liver enzyme levels 3, 6, and 12 months after treatment. HCC developed in 10.5% and the mortality rate was 4.5%. Survival and cumulative incidence of HCC were compared between patients with and without UDCA treatment using Kaplan-Meier curves and propensity-matched analysis (n = 68 per group).</p><p><strong>Results: </strong>UDCA treatment significantly reduced the aspartate aminotransferase (AST), alanine transaminase (ALT), and gamma-glutamyl transferase (GGT) levels at 3 months. The mean pretreatment AST/ALT/GGT levels were 26/22/323 U/L, respectively, and decreased to 19/15/102 U/L at 3 months, 18/12/88 U/L at 6 months, and 16/19/64 U/L at 12 months. However, the total bilirubin level and platelet count did not show significant differences. The survival rate was higher and the HCC rate was lower in patients with than without UDCA treatment. The 5-year incidence rate of HCC was 5.6% in the UDCA group and 24.2% in the untreated group.</p><p><strong>Conclusions: </strong>UDCA treatment significantly reduced liver enzyme levels, including GGT, and mitigated the progression of HCC. UDCA may be beneficial for patients with FALD.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"210-221"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11794391/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hong Wang, Beili Zhao, Lei Huang, Xiangbin Zhu, Na Li, Can Huang, Zhen Han, Kunfu Ouyang
{"title":"Conditional deletion of IP<sub>3</sub>R1 by Islet1-Cre in mice reveals a critical role of IP<sub>3</sub>R1 in interstitial cells of Cajal in regulating GI motility.","authors":"Hong Wang, Beili Zhao, Lei Huang, Xiangbin Zhu, Na Li, Can Huang, Zhen Han, Kunfu Ouyang","doi":"10.1007/s00535-024-02164-1","DOIUrl":"10.1007/s00535-024-02164-1","url":null,"abstract":"<p><strong>Background and aims: </strong>Inositol 1,4,5-trisphosphate receptor type 1 (IP<sub>3</sub>R1) has been proposed to play a physiological role in regulating gastrointestinal (GI) motility, but the underlying cell-dependent mechanism remains unclear. Here, we utilized cell-specific IP<sub>3</sub>R1 deletion strategies to address this question in mice.</p><p><strong>Methods: </strong>Conditional IP<sub>3</sub>R1 knockout mice using Wnt1-Cre, Islet1-Cre mice, and smMHC-Cre<sup>EGFP</sup> were generated. Cell lineage tracing was performed to determine where gene deletion occurred in the GI tract. Whole-gut transit assay and isometric tension recording were used to assess GI function in vivo and in vitro.</p><p><strong>Results: </strong>In the mouse GI tract, Islet1-Cre targeted smooth muscle cells (SMCs) and interstitial cells of Cajal (ICCs), but not enteric neurons. IP<sub>3</sub>R1 deletion by Islet1-Cre (isR1KO) caused a phenotype of intestinal pseudo-obstruction (IPO), evidenced by prolonged whole-gut transit time, enlarged GI tract, abdominal distention, and early lethality. IP<sub>3</sub>R1 deletion by Islet1-Cre not only reduced the frequency of spontaneous contractions but also decreased the contractile responses to the muscarinic agonist carbachol (CCh) and electrical field stimulation (EFS) in colonic circular muscles. By contrast, smMHC-Cre<sup>EGFP</sup> only targeted SMCs in the mouse GI tract. Although IP<sub>3</sub>R1 deletion by smMHC-Cre<sup>EGFP</sup> (smR1KO) also reduced the contractile responses to CCh and EFS in colonic circular muscles, the frequency of spontaneous contractions was less affected, and neither global GI abnormalities nor early lethality was found in smR1KO mice.</p><p><strong>Conclusions: </strong>IP<sub>3</sub>R1 deletion in both ICCs and SMCs but not in SMCs alone causes an IPO phenotype, suggesting that IP<sub>3</sub>R1 in ICCs plays an essential role in regulating GI motility in vivo.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"152-165"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142545887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of long-term trends on outcomes in the management of colonic diverticular bleeding: mediation analyses in a large multicenter study.","authors":"Kazuyuki Narimatsu, Naoki Ishii, Atsuo Yamada, Tomonori Aoki, Katsumasa Kobayashi, Atsushi Yamauchi, Jun Omori, Takashi Ikeya, Taiki Aoyama, Naoyuki Tominaga, Yoshinori Sato, Takaaki Kishino, Tsunaki Sawada, Masaki Murata, Akinari Takao, Kazuhiro Mizukami, Ken Kinjo, Shunji Fujimori, Takahiro Uotani, Minoru Fujita, Hiroki Sato, Sho Suzuki, Toshiaki Narasaka, Junnosuke Hayasaka, Tomohiro Funabiki, Yuzuru Kinjo, Akira Mizuki, Shu Kiyotoki, Tatsuya Mikami, Ryosuke Gushima, Hiroyuki Fujii, Yuta Fuyuno, Takuto Hikichi, Yosuke Toya, Noriaki Manabe, Koji Nagaike, Tetsu Kinjo, Yorinobu Sumida, Sadahiro Funakoshi, Kiyonori Kobayashi, Tamotsu Matsuhashi, Yuga Komaki, Ryota Hokari, Mitsuru Kaise, Naoyoshi Nagata","doi":"10.1007/s00535-024-02178-9","DOIUrl":"10.1007/s00535-024-02178-9","url":null,"abstract":"<p><strong>Background: </strong>Despite accumulating evidence and recommendations for management of colonic diverticular bleeding (CDB), the changes in its clinical management and outcomes remain unknown.</p><p><strong>Methods: </strong>We performed a retrospective tendency analysis on a biennial basis, a propensity score-matched cohort study between the first and latter half groups, and mediation analyses to compare the diagnostic and treatment methods between January 2010 and December 2019 (CODE BLUE-J Study).</p><p><strong>Results: </strong>A total of 6575 patients with CDB were included. While the use of colonoscopy as the initial diagnostic procedure declined, the use of computed tomography (CT) increased in both the trend test and before-and-after comparisons. In hemostasis therapy, the use of endoscopic clips declined and band ligation increased. Interventional radiology remained unchanged; however, the number of surgeries decreased over time. The stigmata of recent hemorrhage (SRH) detection rate and length of hospital stay (LOS) improved significantly. Mediation analyses showed that use of a distal attachment and water-jet scope contributed to an improved SRH detection rate, and use of band ligation contributed to preventing rebleeding within 30 days.</p><p><strong>Conclusions: </strong>Management strategies for CDB have changed in the past decade, particularly regarding the increased use of CT and decreased need for surgery. However, the main outcomes, except for the SRH detection rate and LOS, did not improve. The widespread use of distal attachment, water-jet scope, and band ligation could improve outcomes in CDB management.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"174-186"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142895458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Determination of optimal cutoff value of ulcerative colitis intestinal ultrasound index to estimate endoscopic improvement in ulcerative colitis.","authors":"Haruka Komatsu, Hiromu Morikubo, Yoko Kimura, Chihiro Moue, Hiromi Yonezawa, Minoru Matsuura, Jun Miyoshi, Tadakazu Hisamatsu","doi":"10.1007/s00535-024-02172-1","DOIUrl":"10.1007/s00535-024-02172-1","url":null,"abstract":"<p><strong>Background: </strong>The ulcerative colitis intestinal ultrasound (UC-IUS) index (UII) has been reported as a sonographic scoring system correlating with the Mayo endoscopic subscore (MES). Endoscopic improvement (EI) of UC (MES ≤ 1) is a crucial therapeutic target in clinical practice. However, the cutoff value for estimating EI using the UII has not been established.</p><p><strong>Methods: </strong>We established test and validation cohorts comprising patients with UC undergoing IUS and endoscopy within a 15-day interval at our institution. IUS findings (bowel wall thickness, bowel blood flow, bowel wall structure, haustrations, and inflammatory fat) and endoscopic activity (MES) of each colon segment (ascending, transverse, descending, and sigmoid colon) were assessed.</p><p><strong>Results: </strong>In the test cohort (74 segments), UII was correlated with MES (r = 0.645, p < 0.0001). The median UII was 1.0 and 6.0 among participants with MES ≤ 1 and MES ≥ 2, respectively. A UII of 2 was identified as the threshold for estimating MES ≤ 1 with receiver operating characteristic analysis. In the validation cohort (122 segments), UII was correlated with MES (r = 0.675, p < 0.0001) and the estimation ability of UII ≤ 2 for EI had a positive predictive value of 85.4% and negative predictive value of 79.0%. This estimation ability of UII for EI was numerically lower but not statistically different from the previously reported Milan Ultrasound Criteria and Kyorin Ultrasound Criterion for UC.</p><p><strong>Conclusion: </strong>UII ≤ 2 can be a simple, feasible criterion for estimating EI. Correlation with MES is an advantage of the UII compared with other criteria. Proper use of various sonographic criteria is important.</p>","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"166-173"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142621963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reply to \"Severe ulcerative colitis: diagnostic criteria and therapy\".","authors":"Makoto Naganuma","doi":"10.1007/s00535-024-02200-0","DOIUrl":"10.1007/s00535-024-02200-0","url":null,"abstract":"","PeriodicalId":16059,"journal":{"name":"Journal of Gastroenterology","volume":" ","pages":"259"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142824231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}