Yu Wan, Churan Sun, Mingfeng Fan, Hao Yu, Juan Xu, Kai Zhang, Shanling Ji, Hao Yu, Chuanxin Liu, Cong Zhou, Shuai Wang
{"title":"Exploring Psychological Factors and Brain Alterations in Functional Anorectal Pain Patients: Insights From Multimodal Magnetic Resonance Imaging Investigations.","authors":"Yu Wan, Churan Sun, Mingfeng Fan, Hao Yu, Juan Xu, Kai Zhang, Shanling Ji, Hao Yu, Chuanxin Liu, Cong Zhou, Shuai Wang","doi":"10.1111/nmo.15017","DOIUrl":"https://doi.org/10.1111/nmo.15017","url":null,"abstract":"<p><strong>Background: </strong>Functional anorectal pain (FAP) is classified as one of the disorders of gut-brain interaction (DGBI). It involves the impairments of anorectal afferents and disrupted gut-brain communication. However, neuroimaging studies focused on FAP are lacking.</p><p><strong>Methods: </strong>A total of 25 FAP patients and 18 healthy controls (HC) underwent structural magnetic resonance imaging (MRI), diffusion tensor imaging (DTI), resting-state functional MRI (rs-fMRI) scans, and collection of demographic data, mental health assessment scales and pain assessment questionnaires. Voxel-based morphometry (VBM), tract-based spatial statistics (TBSS), regional homogeneity (ReHo), and amplitude of low-frequency fluctuations (ALFF) were utilized to analyze the imaging data. Correlation analyses were conducted to explore the relationships between the neuroimaging findings and clinical symptoms.</p><p><strong>Key results: </strong>Functional anorectal pain (FAP) patients exhibited higher levels of anxiety, depression scores and lower sleep quality compared to HC. VBM analysis revealed increased gray matter volume (GMV) in the bilateral fusiform, right parahippocampal, bilateral inferior temporal gyrus (ITG), and decreased GMV in the right superior frontal gyrus (SFG), left middle frontal gyrus (MFG), bilateral inferior frontal gyrus (IFG), left Calcarine, bilateral middle occipital gyrus (MOG), left middle temporal gyrus (MTG) in FAP patients. TBSS analysis showed decreased fractional anisotropy (FA) in the superior longitudinal fasciculus (SLF), anterior thalamic radiation (ATR), and forceps minor in the FAP patients. Additionally, increased ALFF in the right cerebellum and increased ReHo in the right MFG were observed in the FAP patients.</p><p><strong>Conclusions and inferences: </strong>These findings showed a worse psychological condition and suggested neuroanatomical and neurofunctional alterations associated with pain processing, emotion regulation, and cognitive control in FAP patients.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e15017"},"PeriodicalIF":3.5,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erratum to \"Prokinetic Effects of Spinal Cord Stimulation and Its Autonomic Mechanisms in Dogs\".","authors":"","doi":"10.1111/nmo.15013","DOIUrl":"https://doi.org/10.1111/nmo.15013","url":null,"abstract":"","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e15013"},"PeriodicalIF":3.5,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Advancements in Our Understanding and Management of Cyclic Vomiting Syndrome and Cannabinoid Hyperemesis.","authors":"B U K Li, Thangam Venkatesan","doi":"10.1111/nmo.15015","DOIUrl":"https://doi.org/10.1111/nmo.15015","url":null,"abstract":"","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e15015"},"PeriodicalIF":3.5,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Yoga, Meditation, Mindfulness, or Hypnotherapy for GI Disorders: Similar Mechanisms of Action?","authors":"Anjal Hamal, Andrea Shin, Miranda A L van Tilburg","doi":"10.1111/nmo.15014","DOIUrl":"https://doi.org/10.1111/nmo.15014","url":null,"abstract":"<p><p>Mind-body approaches aim to improve gut symptoms and quality of life by targeting the interaction between the central nervous system and the enteric nervous system. These include treatments such as hypnotherapy, mindfulness, meditation, and yoga. Although evidence is building on efficacy of mind-body approaches, we generally lack a thorough understanding of how they work. Despite being presented as separate treatment modalities, mind-body approaches often use overlapping treatment aspects with the same mechanism of action. There is evidence that yoga, meditation, and hypnotherapy may partly draw their benefit from creating an absorbed state of attention combined with suggestions for change. This has implications for clinical application of these treatments in patients with GI disease. We propose studies on mechanisms of mind-body approaches to develop more efficacious and more precise treatments for GI diseases.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e15014"},"PeriodicalIF":3.5,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ryan Shargo, Michael Luongo, Rahul Mhaskar, Peter L Lu, Michael Wilsey
{"title":"Assessing the Clinical Value of 2-h Versus 4-h Gastric Emptying Scintigraphy in Pediatrics: A Systematic Review and Meta-Analysis.","authors":"Ryan Shargo, Michael Luongo, Rahul Mhaskar, Peter L Lu, Michael Wilsey","doi":"10.1111/nmo.14978","DOIUrl":"10.1111/nmo.14978","url":null,"abstract":"<p><strong>Introduction: </strong>The gold-standard diagnostic test for gastroparesis is gastric emptying scintigraphy (GES). Although a 4-h GES is recommended in adult guidelines, no similar guidelines exist in the pediatric population, with many hospitals utilizing a 2-h scan to reduce radiation exposure and save time.</p><p><strong>Methods: </strong>We performed a systematic review and meta-analysis to evaluate differences in the diagnosis of gastroparesis during 2-h versus 4-h GES. Four databases were systematically searched for articles reporting results of GES at both the 2- and 4-h time points in a pediatric population. Outcomes included the proportion of patients with gastroparesis at 2- and 4-h and the number of patients with differing transit status (normal or abnormal) from 2- to 4-h. Meta-analyses were conducted utilizing a random effects model. Heterogeneity among studies was assessed utilizing the I<sup>2</sup> statistic.</p><p><strong>Key results: </strong>A total of 344 records were identified, of which 9 articles met inclusion criteria. Of these, six articles were included in the meta-analysis. The pooled proportion of patients with alterations in gastric transit between 2 and 4 h was 0.2 (95% CI: 0.11 to 0.30). Overall, the extended 4-h scan captured an additional 10% of patients with gastroparesis. There was significant heterogeneity among the studies (I<sup>2</sup> = 91.8%, p < 0.001), likely due to differences in GES protocol and patient samples.</p><p><strong>Conclusions and inferences: </strong>The 4-h GES offers a higher diagnostic yield in pediatric patients compared to a 2-h study, despite heterogeneity in existing research. Further prospective studies are necessary to further quantify this advantage.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14978"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142786265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Molly M Warner, Olivia Marie Soliman, Megan Crichton, Skye Marshall, Heidi M Staudacher, Jaimon T Kelly
{"title":"Systematic Review: Integrated Models of Care for Managing Irritable Bowel Syndrome.","authors":"Molly M Warner, Olivia Marie Soliman, Megan Crichton, Skye Marshall, Heidi M Staudacher, Jaimon T Kelly","doi":"10.1111/nmo.14989","DOIUrl":"10.1111/nmo.14989","url":null,"abstract":"<p><strong>Background: </strong>Multidisciplinary integrated models of care show promise for improving symptoms and quality of life (QoL) in adults with irritable bowel syndrome (IBS).</p><p><strong>Aims: </strong>To describe and evaluate the characteristics of integrated models of care for IBS and identify how digital health is being used in these models of care.</p><p><strong>Methods: </strong>Four databases were searched to March 2024 for studies that included adults with IBS who participated in multidisciplinary integrated models of care that delivered non-pharmacological therapies. The template for intervention description and replication (TIDieR) checklist was used to appraise study quality and extract model of care characteristics, which were mapped against the Project INTEGRATE framework to establish topics.</p><p><strong>Results: </strong>Sixteen studies (6 randomized controlled trials, 2 quasi-experimental, 8 cohort studies) reported 14 integrated models of care including 2165 patients of which 918 were IBS patients. Integrated models of care led to improved IBS symptoms (n = 11/13 models of care) and QoL (n = 6/9 models of care). Studies showed moderate compliance with the TIDieR checklist. Five topics were established: clinicians involved, therapies provided, location and mode of delivery, coordinating clinical partnerships, and sharing visions and values of integrated care. Most commonly, a gastroenterologist coordinated care with a psychologist, dietitian, and/or nurse in tertiary care. Psychological, dietary, and physical therapies were provided by n = 11, n = 8, and n = 3 integrated models of care, respectively. Six models of care provided joint consultations or group sessions. Four models of care used digital health such as telephone coaching or online modules.</p><p><strong>Conclusions: </strong>Integrated models of care for IBS exhibited diverse characteristics including the clinicians involved, the therapies provided and the mode of delivery of each therapy. There is a need to evaluate the use of digital health and the delivery of integrated models of care in primary care settings.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14989"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrea Pasta, Francesco Calabrese, Edoardo Vincenzo Savarino, Edoardo Giovanni Giannini, Elisa Marabotto
{"title":"Role of prokinetics in ineffective esophageal motility: A call for broader consideration and future innovations.","authors":"Andrea Pasta, Francesco Calabrese, Edoardo Vincenzo Savarino, Edoardo Giovanni Giannini, Elisa Marabotto","doi":"10.1111/nmo.14961","DOIUrl":"10.1111/nmo.14961","url":null,"abstract":"","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14961"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142576567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amrit K Kamboj, David A Katzka, Marcelo F Vela, Rena Yadlapati, Karthik Ravi
{"title":"Authors' Reply to Letter-Role of Prokinetics in Ineffective Esophageal Motility: A Call for Broader Consideration and Future Innovations.","authors":"Amrit K Kamboj, David A Katzka, Marcelo F Vela, Rena Yadlapati, Karthik Ravi","doi":"10.1111/nmo.14964","DOIUrl":"10.1111/nmo.14964","url":null,"abstract":"","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14964"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142624769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yaozhu J Chen, Danielle Rodriguez, Camilla A Richmond, William L Hasler, David J Levinthal, B U K Li, Ioannis Petrakis, Karin S Coyne, Melody Wu, Jan Tack, Thangam Venkatesan
{"title":"Symptom Patterns in Adults With Cyclic Vomiting Syndrome: A 6-Month Prospective Observational Study.","authors":"Yaozhu J Chen, Danielle Rodriguez, Camilla A Richmond, William L Hasler, David J Levinthal, B U K Li, Ioannis Petrakis, Karin S Coyne, Melody Wu, Jan Tack, Thangam Venkatesan","doi":"10.1111/nmo.14974","DOIUrl":"10.1111/nmo.14974","url":null,"abstract":"<p><strong>Background: </strong>Data are limited on the natural history and symptom patterns of cyclic vomiting syndrome (CVS), a disorder of gut-brain interaction characterized by recurrent stereotypical vomiting, retching, and nausea episodes.</p><p><strong>Methods: </strong>A 6-month, observational, remote study prospectively assessed symptom patterns in adults with CVS using an electronic daily diary. Patients recorded their disease experience, including CVS symptoms and associated severity, in the daily diary. The study defined a CVS episode start as the first day of 5 or more vomiting and/or retching (V + R) events. Episode end was defined as the first day of ≥ 7 (prespecified main analysis) or ≥ 4 (sensitivity analysis) days without any diary V + R events.</p><p><strong>Key results: </strong>Eighty-eight of 93 (94.6%) enrolled patients (62 female; mean age, 37.7 years) had daily diary data recorded during the study; 61 (69.3%) patients had at least one episode. In the prespecified main analysis, 191 episodes (median, 0.6 per 30 diary days) were reported (median duration, 3.0 days); 17.8% of the episodes lasted > 10 days. In the sensitivity analysis, 248 episodes (median, 0.7 per 30 diary days) were reported (median duration, 2.0 days). Thirteen of 88 (14.8%) patients with diary data had interepisodic V + R (reported V + R events without meeting the threshold for study-defined episode). Other CVS-related (non-V + R) symptoms (most frequently nausea, abdominal pain, and sweating) were reported more frequently during the episode versus the interepisodic period.</p><p><strong>Conclusions and inferences: </strong>This prospective longitudinal study shows marked heterogeneity of CVS episodes and highlights the need to better define and characterize episodes in these patients.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14974"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11748820/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142907440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Splenectomy prevents brain orexin, ghrelin, or oxytocin but not GLP-1-induced improvement of intestinal barrier function in rats.","authors":"Takuya Funayama, Tsukasa Nozu, Masatomo Ishioh, Sho Igarashi, Hiroki Tanaka, Chihiro Sumi, Takeshi Saito, Yasumichi Toki, Mayumi Hatayama, Masayo Yamamoto, Motohiro Shindo, Shuichiro Takahashi, Toshikatsu Okumura","doi":"10.1111/nmo.14949","DOIUrl":"10.1111/nmo.14949","url":null,"abstract":"<p><strong>Background: </strong>Accumulating evidence has suggested that neuropeptides such as orexin, ghrelin, or oxytocin act centrally in the brain to regulate intestinal barrier function through the vagus nerve. It has been reported that the vagal cholinergic anti-inflammatory pathway was blocked by splenectomy. In the present study, we therefore examined the effect of splenectomy on neuropeptides-induced improvement of increased intestinal permeability.</p><p><strong>Methods: </strong>Colonic permeability was determined in vivo by quantifying the absorbed Evans blue in colonic tissue for 15 min spectrophotometrically in rats.</p><p><strong>Results: </strong>Splenectomy increased colonic permeability. The increased permeability by splenectomy was significantly blocked by vagal activation induced by carbachol or 2-deoxy-d-glucose which was prevented by atropine, suggesting vagal activation could prevent colonic hyperpermeability in splenectomized rats. In the splenectomized rats, intracisternal injection of orexin, ghrelin, oxytocin, or butyrate failed to inhibit increased colonic permeability while intracisternal glucagon-like peptide-1 (GLP-1) analogue, liraglutide, potently blocked the increased colonic permeability in a dose-dependent manner. The liraglutide-induced improvement of increased colonic permeability was blocked by atropine in splenectomized rats. Intracisternal injection of GLP-1 receptor antagonist attenuated 2-deoxy-d-glucose-induced improvement of colonic hyperpermeability in splenectomized rats.</p><p><strong>Conclusion: </strong>The present results suggested that the spleen is important in the improvement of intestinal barrier function by brain orexin, ghrelin or oxytocin, and butyrate. On the other hand, GLP-1 acts centrally in the brain to improve colonic hyperpermeability in a spleen-independent manner. All these results suggest that dual mechanisms (spleen dependent or independent) may exist for the brain-gut regulation in intestinal barrier function.</p>","PeriodicalId":19123,"journal":{"name":"Neurogastroenterology and Motility","volume":" ","pages":"e14949"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142504791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}