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Skef W, Kolb JM, Samo S, Legget CL, Otaki F, Konda VJA. The interventional esophagologist: tunneling a new way forward. Dis Esophagus 2024:doae078. [PMID: 39341682 DOI: 10.1093/dote/doae078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Accepted: 09/17/2024] [Indexed: 10/01/2024]
Affiliation(s)
- Wasseem Skef
- Department of Medicine, Division of Gastroenterology and Hepatology, Baylor College of Medicine, Houston, TX 77030, USA
- Section of Gastroenterology, Michael E DeBakey VA Medical Center, Houston, TX 77030, USA
| | - Jennifer M Kolb
- Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
- VA Greater Los Angeles Healthcare System, Los Angeles, CA 90073, USA
| | - Salih Samo
- Division of Gastroenterology, Hepatology, and Motility, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Cadman L Legget
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
| | - Fouad Otaki
- Division of Gastroenterology and Hepatology, Oregon Health & Science University, Portland, OR 97123, USA
| | - Vani J A Konda
- Deparment of Medicine, Division of Gastroenterology and Hepatology, Baylor University Medical Center, Dallas, TX 75246, USA
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2
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Frye J, Rao SSC. Anorectal Manometry: When, How to Perform and Interpret, and Is It Useful? Am J Gastroenterol 2024; 119:1449-1455. [PMID: 38275246 DOI: 10.14309/ajg.0000000000002670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/15/2024] [Indexed: 01/27/2024]
Affiliation(s)
- Jeanetta Frye
- Division of Gastroenterology/Hepatology, University of Virginia, Charlottesville, Virginia, USA
| | - Satish S C Rao
- Division of Gastroenterology/Hepatology, Augusta University, Augusta, Georgia, USA
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3
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Wang CW, Lees CR, Ko MS, Sewell JL, Kathpalia P. Implementation and Analysis of a 5-Year Online Esophageal Motility Curriculum for Gastroenterology Fellows. Dig Dis Sci 2024; 69:1661-1668. [PMID: 38507124 DOI: 10.1007/s10620-024-08370-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/22/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Motility disorders are frequently encountered in gastroenterology (GI) practice, yet a national structured training curriculum for GI fellows in motility disorders is lacking. Since GI fellowships vary considerably in opportunities for specialized esophageal motility (EM) training, novel educational technology may be leveraged to provide standardized EM curriculum to train GI fellows in esophageal manometry. METHODS GI fellows participated in an online EM learning program at a single academic center from 2017 to 2022. Fellows answered case-based questions and were provided with evidence-based, corrective feedback related to core EM learning objectives. The primary outcome was change in knowledge and comfort in interpretation and clinical application of EM studies. RESULTS Sixty-nine fellows actively participated in the online EM curriculum. 65 fellows completed a pre-curriculum test, and 54 fellows completed a post-curriculum test. There was a cumulative improvement between pre-curriculum test and post-curriculum test scores from 70 to 87%, respectively (p < 0.001). Fellows had a mean improvement of 19% in questions as they progressed through the curriculum. Prior to enrolling in the EM course, 26% of fellows felt comfortable in interpreting EM studies compared to 54% of fellows after completion of the program (p < 0.001). CONCLUSION An online, technology-based curriculum was effective in educating GI fellows on core competencies of EM. Fellows demonstrated improvement in proficiency of clinically important EM studies and increased comfort in interpreting EM studies. Further studies are needed to evaluate the use of technology-based learning to widely disseminate a structured training curriculum in EM, particularly in training programs without a motility presence.
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Affiliation(s)
- Connie W Wang
- Division of Gastroenterology and Hepatology, University of California San Francisco, San Francisco, CA, USA
| | - Christopher R Lees
- Department of Medicine, University of California Los Angeles Medical Center, Los Angeles, CA, USA
| | - Myung S Ko
- Division of Gastroenterology and Hepatology, University of California San Francisco, San Francisco, CA, USA
| | - Justin L Sewell
- Division of Gastroenterology, San Francisco General Hospital, University of California San Francisco, San Francisco, CA, USA
| | - Priya Kathpalia
- Division of Gastroenterology and Hepatology, University of California San Francisco, San Francisco, CA, USA.
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4
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Rao SSC, Ahuja NK, Bharucha AE, Brenner DM, Chey WD, Deutsch JK, Kunkel DC, Moshiree B, Neshatian L, Reveille RM, Sayuk GS, Shapiro JM, Shah ED, Staller K, Wexner SD, Baker JR. Optimizing the Utility of Anorectal Manometry for Diagnosis and Therapy: A Roundtable Review and Recommendations. Clin Gastroenterol Hepatol 2023; 21:2727-2739.e1. [PMID: 37302444 PMCID: PMC10542660 DOI: 10.1016/j.cgh.2023.05.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 04/13/2023] [Accepted: 05/25/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND & AIMS Anorectal manometry (ARM) is a comprehensive diagnostic tool for evaluating patients with constipation, fecal incontinence, or anorectal pain; however, it is not widely utilized for reasons that remain unclear. The aim of this roundtable discussion was to critically examine the current clinical practices of ARM and biofeedback therapy by physicians and surgeons in both academic and community settings. METHODS Leaders in medical and surgical gastroenterology and physical therapy with interest in anorectal disorders were surveyed regarding practice patterns and utilization of these technologies. Subsequently, a roundtable was held to discuss survey results, explore current diagnostic and therapeutic challenges with these technologies, review the literature, and generate consensus-based recommendations. RESULTS ARM identifies key pathophysiological abnormalities such as dyssynergic defecation, anal sphincter weakness, or rectal sensory dysfunction, and is a critical component of biofeedback therapy, an evidence-based treatment for patients with dyssynergic defecation and fecal incontinence. Additionally, ARM has the potential to enhance health-related quality of life and reduce healthcare costs. However, it has significant barriers that include a lack of education and training of healthcare providers regarding the utility and availability of ARM and biofeedback procedures, as well as challenges with condition-specific testing protocols and interpretation. Additional barriers include understanding when to perform, where to refer, and how to use these technologies, and confusion over billing practices. CONCLUSIONS Overcoming these challenges with appropriate education, training, collaborative research, and evidence-based guidelines for ARM testing and biofeedback therapy could significantly enhance patient care of anorectal disorders.
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Affiliation(s)
- Satish S C Rao
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, Georgia.
| | - Nitin K Ahuja
- Division of Gastroenterology and Hepatology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Adil E Bharucha
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Darren M Brenner
- Division of Gastroenterology and Hepatology, Northwestern University, Chicago, Illinois
| | - William D Chey
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan
| | - Jill K Deutsch
- Section of Digestive Diseases, Department of Internal Medicine, Yale New Haven Hospital, Yale School of Medicine, New Haven, Connecticut
| | - David C Kunkel
- Division of Gastroenterology, University of California San Diego, La Jolla, California
| | - Baharak Moshiree
- Division of Gastroenterology and Hepatology, Atrium Health, Wake Forest Medical University, Charlotte, North Carolina
| | - Leila Neshatian
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Redwood City, California
| | - Robert M Reveille
- Division of Gastroenterology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Gregory S Sayuk
- Division of Gastroenterology, Washington University School of Medicine, Veterans Affairs Medical Center, St. Louis, Missouri
| | | | - Eric D Shah
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan
| | - Kyle Staller
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Steven D Wexner
- Ellen Leifer Shulman and Steven Shulman Digestive Disease Center, Cleveland Clinic Florida, Weston, Florida
| | - Jason R Baker
- Department of Gastroenterology and Hepatology, Atrium Health, University of North Carolina, Charlotte, North Carolina
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5
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Simons J, Shajee U, Palsson O, Simren M, Sperber AD, Törnblom H, Whitehead W, Aziz I. Disorders of gut-brain interaction: Highly prevalent and burdensome yet under-taught within medical education. United European Gastroenterol J 2022; 10:736-744. [PMID: 35781806 PMCID: PMC9486486 DOI: 10.1002/ueg2.12271] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/15/2022] [Indexed: 11/09/2022] Open
Abstract
Background and Objective To determine the population prevalence and associated health impairment of disorders of gut‐brain interaction (DGBI) across Great Britain, and the emphasis placed upon them within medical education. Methods An Internet‐based cross‐sectional health survey was completed by 1906 general population adults across Great Britain without self‐reported organic GI disease. The survey enquired for demographics, symptom‐based criteria for Rome IV DGBI, healthcare use, non‐GI somatic symptoms, and quality of life. As a separate analysis, we evaluated which DGBI are considered core knowledge at undergraduate medical school level and post‐graduate specialization level for Gastroenterologists and General Practitioners. Results The overall prevalence of DGBI across Great Britain was 37%, being similar for England (37%), Scotland (33%), and Wales (36%); p = 0.66. There was no difference between English regions (range 33%–43%, p = 0.26). The prevalence of DGBI was highest in those aged 18–40 years (40%), then 40–64 years (37%), and least amongst those ≥65 years (29%); p < 0.001. The most common DGBI were bowel disorders (30%), followed by gastroduodenal (10.5%), anorectal (8.1%) and oesophageal disorders (6.2%). Individuals with DGBI were significantly more likely than those without DGBI to have increased GI‐related healthcare visits, medication use, surgical interventions, non‐GI somatic symptoms, and reduced quality of life. One‐in‐three people with DGBI had multiple GI organ regions involved and this correlated with increased health impairment (p < 0.001). The only DGBI mentioned across all medical training curricula is irritable bowel syndrome, while the General Practitioner and Gastroenterology Curricula also recognise the outdated term non‐ulcer dyspepsia (as opposed to functional dyspepsia). The 2010 Gastroenterology Curriculum also includes functional constipation and disordered defecation, with the incoming 2022 iteration adding in functional upper GI syndromes, functional abdominal pain, and opioid‐induced GI disturbances. Conclusion Disorders of gut‐brain interaction are common across Great Britain and incur substantial health impairment. However, they are generally under‐taught within the British medical education system. Increasing awareness and education of disorders of gut‐brain interaction might improve patient outcomes.
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Affiliation(s)
- Julia Simons
- Academic Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - Umair Shajee
- Academic Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - Olafur Palsson
- Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Magnus Simren
- Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina, USA.,Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ami D Sperber
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Hans Törnblom
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - William Whitehead
- Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Imran Aziz
- Academic Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK.,Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
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Analysis of Neurogastrointestinal and Motility Disorders From the National Pediatric Database (Kid's Inpatient Database): Exploring Demographic Access and Outcomes. J Pediatr Gastroenterol Nutr 2022; 75:10-16. [PMID: 35442244 DOI: 10.1097/mpg.0000000000003463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES Pediatric neurogastroenterology and motility (PNGM) disorders impose a significant impact on health-related quality of life and cost of health care in children and adolescents. The detailed understanding of its burden across demographic groups is unknown. The objective of our study is to characterize the demographic and hospitalization trends of patients undergoing PNGM tests. METHODS We used Healthcare Cost and Utilization Project (HCUP) Inpatient Database (KID) for years 2003-2016 to perform a trend analysis in US hospitalizations for International Classification of Diseases (ICD)-9 and -10 Clinical Modification (CM)-identified PNGM studies in patients (<18 years of age) with elective admission and a length of stay (LOS) <3 days. The hospitalization rates were analyzed by year, hospital region, facility type, and patient sociodemographic characteristics. Multivariable logistic regression was used to examine factors influencing the receipt of motility studies. RESULTS There was an overall increase trend in hospitalizations, rates of PNGM studies, and median hospital charges from 2003 to 2016. Patients with private insurance and living in the high-income zip codes were more likely to receive a PNGM study compared with those with governmental insurance and lower income area. Although the race was not found to influence the receipt of the study, a major difference in the LOS was noted across the regions. CONCLUSIONS There are income- and insurance-based differences in the rates of inpatient PNGM studies. PNGM studies significantly add to health care burden. Standardization of PNGM practices across the country may decrease the LOS and associated expenses. Future analysis should include ambulatory PNGM services to understand combined inpatient and outpatient trends.
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Kou W, Galal GO, Klug MW, Mukhin V, Carlson DA, Etemadi M, Kahrilas PJ, Pandolfino JE. Deep learning-based artificial intelligence model for identifying swallow types in esophageal high-resolution manometry. Neurogastroenterol Motil 2022; 34:e14290. [PMID: 34709712 PMCID: PMC9046460 DOI: 10.1111/nmo.14290] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND This study aimed to build and evaluate a deep learning, artificial intelligence (AI) model to automatically classify swallow types based on raw data from esophageal high-resolution manometry (HRM). METHODS HRM studies on patients with no history of esophageal surgery were collected including 1,741 studies with 26,115 swallows labeled by swallow type (normal, hypercontractile, weak-fragmented, failed, and premature) by an expert interpreter per the Chicago Classification. The dataset was stratified and split into train/validation/test datasets for model development. Long short-term memory (LSTM), a type of deep-learning AI model, was trained and evaluated. The overall performance and detailed per-swallow type performance were analyzed. The interpretations of the supine swallows in a single study were further used to generate an overall classification of peristalsis. KEY RESULTS The LSTM model for swallow type yielded accuracies from the train/validation/test datasets of 0.86/0.81/0.83. The model's interpretation for study-level classification of peristalsis yielded accuracy of 0.88 in the test dataset. Among model misclassification, 535/698 (77%) swallows and 25/35 (71%) studies were to adjacent categories, for example, normal to weak or normal to ineffective, respectively. CONCLUSIONS AND INFERENCES A deep-learning AI model can automatically and accurately identify the Chicago Classification swallow types and peristalsis classification from raw HRM data. While future work to refine this model and incorporate overall manometric diagnoses are needed, this study demonstrates the role that AI will serve in the interpretation and classification of esophageal HRM studies.
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Affiliation(s)
- Wenjun Kou
- Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Galal Osama Galal
- Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Matthew William Klug
- Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Vladislav Mukhin
- Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Dustin A. Carlson
- Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Mozziyar Etemadi
- Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois,Department of Biomedical Engineering, Northwestern University, Evanston, Illinois
| | - Peter J Kahrilas
- Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - John E. Pandolfino
- Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
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Patel D, Safder SS, El-Chammas K, Kapavarapu P, Wheeler J, Mostamand S, Khlevner J, Darbar A. Pediatric Neurogastroenterology and Motility Services in North America: Neurogastroenterology and Motility Survey Report. J Pediatr Gastroenterol Nutr 2022; 74:593-598. [PMID: 35192576 DOI: 10.1097/mpg.0000000000003419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
ABSTRACT To characterize the current availability and scope of pediatric neurogastroenterology and motility (PNGM) services in North America (NA), the NASPGHAN-NGM committee distributed a self-reporting survey through the NASPGHAN bulletin board and mailing listserv, to compile a list of NA centers offering PNGM services, PNGM training, and the types of diagnostic and therapeutic PNGM procedures and services. We received responses that 54 centers in NA offer some form of PNGM services. Previously, the NASPGHAN website had last updated information from 2015 listing 36 centers in the USA and 2 in Canada. The American Neurogastroenterology and Motility Society (ANMS) website had 16 PNGM centers listed in NA in 2021. Neither of these resources capture additional information regarding training, research, advanced diagnostics, and therapeutics, and all available PNGM services. Our data highlights the growth in the field of PNGM services, and the variability of their distribution throughout the continent.
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Affiliation(s)
- Dhiren Patel
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Cardinal Glennon Children's Medical Center, Saint Louis University School of Medicine, St Louis, MO
| | - Skaista S Safder
- Center for Digestive Health and Nutrition, Arnold Palmer Hospital for Children, Orlando Health, orlando, FL
| | - Khalil El-Chammas
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine
- University of Cincinnati College of Medicine, Cincinnati, OH
| | - Prasanna Kapavarapu
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA
| | - Justin Wheeler
- Division of Pediatric Gastroenterology, University of Utah, Salt Lake City, UT
| | - Shikib Mostamand
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Stanford University, School of Medicine and the Lucile Packard Children's Hospital
| | - Julie Khlevner
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Anil Darbar
- Children's National Hospital, George Washington University School of Medicine and Health Sciences, Washington, DC
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Kou W, Carlson DA, Baumann AJ, Donnan EN, Schauer JM, Etemadi M, Pandolfino JE. A multi-stage machine learning model for diagnosis of esophageal manometry. Artif Intell Med 2022; 124:102233. [PMID: 35115131 PMCID: PMC8817064 DOI: 10.1016/j.artmed.2021.102233] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 02/03/2023]
Abstract
High-resolution manometry (HRM) is the primary procedure used to diagnose esophageal motility disorders. Its manual interpretation and classification, including evaluation of swallow-level outcomes and then derivation of a study-level diagnosis based on Chicago Classification (CC), may be limited by inter-rater variability and inaccuracy of an individual interpreter. We hypothesized that an automatic diagnosis platform using machine learning and artificial intelligence approaches could be developed to accurately identify esophageal motility diagnoses. Further, a multi-stage modeling framework, akin to the step-wise approach of the CC, was utilized to leverage advantages of a combination of machine learning approaches including deep-learning models and feature-based models. Models were trained and tested using a dataset comprised of 1741 patients' HRM studies with CC diagnoses assigned by expert physician raters. In the swallow-level stage, three models based on convolutional neural networks (CNNs) were developed to predict swallow type and swallow pressurization (test accuracies of 0.88 and 0.93, respectively), and integrated relaxation pressure (IRP)(regression model with test error of 4.49 mmHg). At the study-level stage, model selection from families of the expert-knowledge-based rule models, xgboost models and artificial neural network(ANN) models were conducted. A simple model-agnostic strategy of model balancing motivated by Bayesian principles was utilized, which gave rise to model averaging weighted by precision scores. The averaged (blended) models and individual models were compared and evaluated, of which the best performance on test dataset is 0.81 in top-1 prediction, 0.92 in top-2 predictions. This is the first artificial-intelligence style model to automatically predict esophageal motility (CC) diagnoses from HRM studies using raw multi-swallow data and it achieved high accuracy. Thus, this proposed modeling framework could be broadly applied to assist with HRM interpretation in a clinical setting.
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Affiliation(s)
- Wenjun Kou
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA.
| | - Dustin A Carlson
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Alexandra J Baumann
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Erica N Donnan
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Jacob M Schauer
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, 750 North Lake Shore Drive, 11th Floor, Chicago, IL 60611, USA
| | - Mozziyar Etemadi
- Department of Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL 60201, USA
| | - John E Pandolfino
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
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10
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Cohen DL, Richter V, Malikov I, Bermont A, Shirin H. The Effect of a Didactic Course on Gastroenterology Nurses' Knowledge and Interest in Anorectal Manometry. Gastroenterol Nurs 2021; 44:412-417. [PMID: 34690296 DOI: 10.1097/sga.0000000000000636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 07/12/2021] [Indexed: 11/26/2022] Open
Abstract
Anorectal manometry may be performed by a nurse or physician, yet little has been written about what training is needed. Additionally, many gastroenterology nurses receive little exposure to motility studies such as anorectal manometry, limiting their ability to learn these procedures. We therefore sought to evaluate whether a short didactic course on anorectal manometry would increase nurses' knowledge about the procedure and stimulate their interest in becoming trained to perform it. To accomplish this, gastroenterology nurses attended a series of three lectures on anorectal manometry. A 15-question quiz was given as a pre-test and again as a post-test after completing the course. Thirteen nurses participated (11 female, mean age 46). None had experience performing anorectal manometry. Due to the course, test scores increased from a mean of 8.4 (55.9%) correct to 13.3 (88.7%) (p < .001), with improvements noted in 12 of 13 participants (92.3%). All of the nurses felt that the course increased their knowledge of anorectal manometry and reported that they would recommend it to other nurses. Most (61.5%) also expressed an interest in becoming trained to perform anorectal manometry. In conclusion, a short didactic course has been shown to increase nurses' knowledge and interest in performing anorectal manometry.
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Affiliation(s)
- Daniel L Cohen
- Daniel L. Cohen, MD, is Gastroenterologist and Head of the GI Motility Laboratory at Shamir Medical Center, Zerifin, Israel
- Vered Richter, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Irena Malikov, MA, Head of GI Nursing at Shamir Medical Center, Zerifin, Israel
- Anton Bermont, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Haim Shirin, MD, is Director of the Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir Medical Center, Zerifin, Israel, and Professor of Medicine, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Vered Richter
- Daniel L. Cohen, MD, is Gastroenterologist and Head of the GI Motility Laboratory at Shamir Medical Center, Zerifin, Israel
- Vered Richter, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Irena Malikov, MA, Head of GI Nursing at Shamir Medical Center, Zerifin, Israel
- Anton Bermont, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Haim Shirin, MD, is Director of the Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir Medical Center, Zerifin, Israel, and Professor of Medicine, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Irena Malikov
- Daniel L. Cohen, MD, is Gastroenterologist and Head of the GI Motility Laboratory at Shamir Medical Center, Zerifin, Israel
- Vered Richter, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Irena Malikov, MA, Head of GI Nursing at Shamir Medical Center, Zerifin, Israel
- Anton Bermont, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Haim Shirin, MD, is Director of the Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir Medical Center, Zerifin, Israel, and Professor of Medicine, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Anton Bermont
- Daniel L. Cohen, MD, is Gastroenterologist and Head of the GI Motility Laboratory at Shamir Medical Center, Zerifin, Israel
- Vered Richter, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Irena Malikov, MA, Head of GI Nursing at Shamir Medical Center, Zerifin, Israel
- Anton Bermont, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Haim Shirin, MD, is Director of the Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir Medical Center, Zerifin, Israel, and Professor of Medicine, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Haim Shirin
- Daniel L. Cohen, MD, is Gastroenterologist and Head of the GI Motility Laboratory at Shamir Medical Center, Zerifin, Israel
- Vered Richter, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Irena Malikov, MA, Head of GI Nursing at Shamir Medical Center, Zerifin, Israel
- Anton Bermont, MD, is Gastroenterologist at Shamir Medical Center, Zerifin, Israel
- Haim Shirin, MD, is Director of the Gonczarowski Family Institute of Gastroenterology and Liver Diseases, Shamir Medical Center, Zerifin, Israel, and Professor of Medicine, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Kou W, Carlson DA, Baumann AJ, Donnan E, Luo Y, Pandolfino JE, Etemadi M. A deep-learning-based unsupervised model on esophageal manometry using variational autoencoder. Artif Intell Med 2021; 112:102006. [PMID: 33581826 DOI: 10.1016/j.artmed.2020.102006] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 10/19/2020] [Accepted: 12/28/2020] [Indexed: 12/27/2022]
Abstract
High-resolution manometry (HRM) is the primary method for diagnosing esophageal motility disorders and its interpretation and classification are based on variables (features) from data of each swallow. Modeling and learning the semantics directly from raw swallow data could not only help automate the feature extraction, but also alleviate the bias from pre-defined features. With more than 32-thousand raw swallow data, a generative model using the approach of variational auto-encoder (VAE) was developed, which, to our knowledge, is the first deep-learning-based unsupervised model on raw esophageal manometry data. The VAE model was reformulated to include different types of loss motivated by domain knowledge and tuned with different hyper-parameters. Training of the VAE model was found sensitive on the learning rate and hence the evidence lower bound objective (ELBO) was further scaled by the data dimension. Case studies showed that the dimensionality of latent space have a big impact on the learned semantics. In particular, cases with 4-dimensional latent variables were found to encode various physiologically meaningful contraction patterns, including strength, propagation pattern as well as sphincter relaxation. Cases with so-called hybrid L2 loss seemed to better capture the coherence of contraction/relaxation transition. Discriminating capability was further evaluated using simple linear discriminative analysis (LDA) on predicting swallow type and swallow pressurization, which yields clustering patterns consistent with clinical impression. The current work on modeling and understanding swallow-level data will guide the development of study-level models for automatic diagnosis as the next stage.
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Affiliation(s)
- Wenjun Kou
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA.
| | - Dustin A Carlson
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Alexandra J Baumann
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Erica Donnan
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Yuan Luo
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, 750 North Lake Shore Drive, 11th Floor, Chicago, IL 60611, USA
| | - John E Pandolfino
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, 14th Floor, Chicago, IL 60611, USA
| | - Mozziyar Etemadi
- Department of Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL 60201, USA
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12
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Development of Entrustable Professional Activities and Standards in Training in Pediatric Neurogastroenterology and Motility: North American Society for Pediatric Gastroenterology, Hepatology and Nutrition and American Neurogastroenterology and Motility Society Position Paper. J Pediatr Gastroenterol Nutr 2021; 72:168-180. [PMID: 33075010 DOI: 10.1097/mpg.0000000000002965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Neurogastroenterology and motility (NGM) disorders are common in childhood and are often very debilitating. Although pediatric gastroenterology fellows are expected to obtain training in the diagnosis and management of patients with these disorders, there is an ongoing concern for unmet needs and lack of exposure and standardized curriculum. In the context of tailoring training components, outcome and expressed needs of pediatric gastroenterology fellows and programs, members of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) and American Neurogastroenterology and Motility Society (ANMS) developed guidelines for NGM training in North America in line with specific expectations and goals of training as delineated through already established entrustable professional activities (EPAs). Members of the joint task force applied their expertise to identify the components of knowledge, skills, and management, which are expected of NGM consultants. The clinical knowledge, skills and management elements of the NGM curriculum are divided into domains based on anatomic regions including esophagus, stomach, small bowel, colon and anorectum. In addition, dedicated sections on pediatric functional gastrointestinal (GI) disorders, research and collaborative approach, role of behavioral health and surgical approaches to NGM disorders and transition from pediatric to adult neurogastroenterology are included in this document. Members of the NASPGHAN-ANMS task force anticipate that this document will serve as a resource to break existing barriers to pursuing a career in NGM and provide a framework towards uniform training expectations at 3 hierarchical tiers corresponding to EPA levels.
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13
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Lazarescu A, Andrews CN, Liu LWC, Reed D, Paterson WG, Vanner SJ, Sadowski DC. Meeting the Motility Educational Requirements of the Gastroenterology Trainee in the 21st Century. J Can Assoc Gastroenterol 2020; 3:e28-e31. [PMID: 33241183 PMCID: PMC7678733 DOI: 10.1093/jcag/gwz015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/03/2019] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Gastrointestinal (GI) motility and functional disorders comprise over two-third of referrals to GI specialists yet training programs are disproportionately focused on endoscopy, inflammatory bowel disease and liver disease. Trainees at many centres receive minimal or no formal training in motility disorders and have little or no exposure to motility testing. Our purpose was to develop an educational intervention to address this learning need. METHODS We designed a formal training program comprised of didactic sessions, workshops and hands-on motility sessions with live demonstrations designed to be held over the course of a weekend. Faculty for the course were experienced GI motility experts from across Canada. Resident trainees from all Canadian GI fellowship programs were invited to attend. Pre- and post-tests were administered to measure the baseline learning needs and the impact of the program. Course evaluations were completed by attendees. RESULTS Three annual courses were offered over the past 3 years. Both adult and paediatric gastroenterology trainees attended the programs. The majority of training programs from Canada were represented. Baseline testing of attendees revealed a fundamental lack of understanding of GI motility concepts and their clinical implications. Postcourse test scores demonstrated a significant improvement in motility knowledge. Course evaluations of the content and faculty presentations received uniformly positive reviews. CONCLUSIONS There is a pervasive lack of clinical knowledge of GI motility among Canadian GI subspecialty trainees. A focused weekend intensive course is one step in addressing this learning need.
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Affiliation(s)
- Adriana Lazarescu
- Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
| | | | - Louis W C Liu
- Division of Gastroenterology, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - David Reed
- Division of Gastroenterology, Queen’s University, Kingston, Ontario, Canada
| | - William G Paterson
- Division of Gastroenterology, Queen’s University, Kingston, Ontario, Canada
| | - Stephen J Vanner
- Division of Gastroenterology, Queen’s University, Kingston, Ontario, Canada
| | - Daniel C Sadowski
- Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
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14
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Kamal AN, Clarke JO, Oors JM, Bredenoord AJ. The role of ambulatory 24-hour esophageal manometry in clinical practice. Neurogastroenterol Motil 2020; 32:e13861. [PMID: 32391594 PMCID: PMC7583476 DOI: 10.1111/nmo.13861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 03/19/2020] [Accepted: 03/30/2020] [Indexed: 12/13/2022]
Abstract
High-resolution manometry revolutionized the assessment of esophageal motility disorders and upgraded the classification through the Chicago Classification. A known disadvantage of standard HRM, however, is the inability to record esophageal motility function for an extended time interval; therefore, it represents only a more snapshot view of esophageal motor function. In contrast, ambulatory esophageal manometry measures esophageal motility over a prolonged period and detects motor activity during the entire circadian cycle. Furthermore, ambulatory manometry has the ability to measure temporal correlations between symptoms and motor events. This article aimed to review the clinical implications of ambulatory esophageal manometry for various symptoms, covering literature on the manometry catheter, interpretation of findings, and relevance in clinical practice specific to the evaluation of non-cardiac chest pain, chronic cough, and rumination syndrome.
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Affiliation(s)
- Afrin N. Kamal
- Division of Gastroenterology and HepatologyStanford University School of MedicineStanfordCAUSA
| | - John O. Clarke
- Division of Gastroenterology and HepatologyStanford University School of MedicineStanfordCAUSA
| | - Jac M. Oors
- Department of Gastroenterology and HepatologyAmsterdam University Medical CentreAmsterdamThe Netherlands
| | - Albert J. Bredenoord
- Department of Gastroenterology and HepatologyAmsterdam University Medical CentreAmsterdamThe Netherlands
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15
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Esophageal Manometry Competency Program Improves Gastroenterology Fellow Performance in Motility Interpretation. Am J Gastroenterol 2020; 115:1453-1459. [PMID: 32453055 PMCID: PMC9425616 DOI: 10.14309/ajg.0000000000000634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Competency-based medical education (CBME) for interpretation of esophageal manometry is lacking; therefore, motility experts and instructional designers developed the esophageal manometry competency (EMC) program: a personalized, adaptive learning program for interpretation of esophageal manometry. The aim of this study was to implement EMC among Gastroenterology (GI) trainees and assess the impact of EMC on competency in manometry interpretation. METHODS GI fellows across 14 fellowship programs were invited to complete EMC from February 2018 to October 2018. EMC includes an introductory video, baseline assessment of manometry interpretation, individualized learning pathways, and final assessment of manometry interpretation. The primary outcome was competency for interpretation in 7 individual skill sets. RESULTS Forty-four GI trainees completed EMC. Participants completed 30 cases, each including 7 skill sets. At baseline, 4 (9%) participants achieved competency for all 7 skills compared with 24 (55%) at final assessment (P < 0.001). Competency in individual skills increased from a median of 4 skills at baseline to 7 at final assessment (P < 0.001). The greatest increase in skill competency was for diagnosis (Baseline: 11% vs Final: 68%; P < 0.001). Accuracy improved for distinguishing between 5 diagnostic groups and was highest for the Outflow obstructive motility disorder (Baseline: 49% vs Final: 76%; P < 0.001) and Normal motor function (50% vs 80%; P < 0.001). DISCUSSION This prospective multicenter implementation study highlights that an adaptive web-based training platform is an effective tool to promote CBME. EMC completion was associated with significant improvement in identifying clinically relevant diagnoses, providing a model for integrating CBME into subspecialized areas of training.
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16
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Computerized Learning Is a Building Block But We Still Have Far to Go. Am J Gastroenterol 2020; 115:1451-1452. [PMID: 32675589 DOI: 10.14309/ajg.0000000000000726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
High-resolution manometry has revolutionized the diagnosis and treatment of esophageal motility disorders. The color plots are consistent with the visual pattern recognition that makes up much of our endoscopic training in gastroenterology. Computerized learning is an important addition to teaching this skill, especially because most gastroenterology training programs offer meager motility expertise and experience. However, it is just a basic building block for the development of young esophageal and motility experts. It is a good beginning, but the trainee needs a thorough understanding of the limitations of HRM, the important role of other esophageal function tests, and how best to incorporate these tests into a multidiscipline care plan for patients. The best approach is not technology alone but how it is applied by a master clinician in a busy esophageal center of excellence.
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17
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Affiliation(s)
- Rena Yadlapati
- University of California San Diego Esophageal Diseases & Motility, Division of Gastroenterology, La Jolla, California.
| | - Joan W Chen
- University of Michigan, Division of Gastroenterology & Hepatology, Ann Arbor, Michigan
| | - Abraham Khan
- New York University Langone Health, Center for Esophageal Disease, Division of Gastroenterology & Hepatology, New York, New York
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18
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Kraft C, Kathpalia P, Baumgardner JM, Pandolfino JE, Sewell JL. How to Incorporate Esophageal Manometry Teaching in Your Fellowship Program. Gastroenterology 2019; 156:2120-2123. [PMID: 31028777 DOI: 10.1053/j.gastro.2019.04.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- Cary Kraft
- Department of Medicine, University of California San Francisco, San Francisco, California
| | - Priya Kathpalia
- Department of Medicine and Division of Gastroenterology, University of California San Francisco, San Francisco, California
| | - Jeffrey M Baumgardner
- Department of Medicine and Division of Gastroenterology, Zuckerberg San Francisco General Hospital and Trauma Center, University of California San Francisco, San Francisco, California
| | - John E Pandolfino
- Division of Gastroenterology and Hepatology, Northwestern Medicine Northwestern University, Chicago, Illinois
| | - Justin L Sewell
- Department of Medicine and Division of Gastroenterology, Zuckerberg San Francisco General Hospital and Trauma Center, University of California San Francisco, San Francisco, California.
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19
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Deepening the Understanding of Functional and Motility Disorders. J Pediatr Gastroenterol Nutr 2019; 68:761. [PMID: 30724796 DOI: 10.1097/mpg.0000000000002300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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20
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Barriers in Neurogastroenterology and Motility Training Experience for Pediatric Gastroenterology Fellows. J Pediatr Gastroenterol Nutr 2019; 68:806-810. [PMID: 30664565 PMCID: PMC6534453 DOI: 10.1097/mpg.0000000000002282] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Neurogastroenterology and motility (NGM) disorders are common and have a high health care burden. Although pediatric gastroenterology fellows are expected to obtain comprehensive training in the diagnosis and management of NGM disorders, there is ongoing concern for unmet training needs and lack of exposure in treating patients who suffer from NGM problems. METHODS We conducted a cross-section survey of trainees listed as pediatric gastroenterology fellows in North American training programs in 2018 via direct E-mail and the pediatric gastroenterology listserv. Eighty-one pediatric gastroenterology fellows responded to the anonymous survey. RESULTS A total of 53.1% of the fellows reported interest in NGM; however, 75.1% of the fellows believed they had not been adequately trained in NGM during their fellowship. Eighty percent of fellows with 2 weeks or less of dedicated motility training reported that they received inadequate NGM training, compared to 46.2% fellows who received 1 or more months of dedicated motility training (P = 0.0148). The majority of fellows reported not being comfortable in performing gastrointestinal (GI) motility studies. The majority of fellows also reported not being comfortable in interpreting GI motility studies. CONCLUSIONS Although most pediatric gastroenterology fellows expressed interest in NGM, the lack of exposure and dedicated training in motility during fellowship were identified as barriers to pursuing motility-focused careers. Furthermore, most fellows reported limited comfort with performing and/or interpreting motility studies. Changes are needed to encourage fellows to develop their interest and expertise in NGM.
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21
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Yadlapati R, Furuta GT, Menard-Katcher P. New Developments in Esophageal Motility Testing. ACTA ACUST UNITED AC 2019; 17:76-88. [DOI: 10.1007/s11938-019-00218-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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22
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Nigam GB, Limdi JK, Vasant DH. Current perspectives on the diagnosis and management of functional anorectal disorders in patients with inflammatory bowel disease. Therap Adv Gastroenterol 2018; 11:1756284818816956. [PMID: 30574193 PMCID: PMC6295686 DOI: 10.1177/1756284818816956] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 11/13/2018] [Indexed: 02/04/2023] Open
Abstract
Despite advances in inflammatory bowel disease (IBD) therapies, a significant proportion of patients with quiescent disease experience persistent, debilitating symptoms of faecal incontinence (FI), urgency and defaecatory disorders due to anorectal dysfunction. Such symptoms are often underreported or misdiagnosed and can lead to potentially premature treatment 'escalation' and under-utilisation of pelvic floor investigations. In this review article, we consider putative pathophysiological post-inflammatory changes resulting in altered anorectal sensitivity, motility and neuromuscular coordination and how this may drive symptoms in quiescent IBD. Finally, we discuss a pragmatic approach to investigating and managing anorectal dysfunction and highlight areas for future research for this often-neglected group of patients.
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Affiliation(s)
| | - Jimmy K. Limdi
- Pennine Acute Hospitals NHS Trust, Greater Manchester, UK
- Division of Diabetes, Endocrinology and Gastroenterology, The University of Manchester, Manchester, UK
| | - Dipesh H. Vasant
- Honorary Senior Lecturer, Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Manchester University NHS Foundation Trust, Neurogastroenterology Unit, Wythenshawe Hospital, Southmoor Road, Manchester M23 9LT, UK
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23
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Gyawali CP, Savarino E, Lazarescu A, Bor S, Patel A, Dickman R, Pressman A, Drewes AM, Rosen J, Drug V, Saps M, Novais L, Vazquez-Roque M, Pohl D, van Tilburg MAL, Smout A, Yoon S, Pandolfino J, Farrugia G, Barbara G, Roman S. Curriculum for neurogastroenterology and motility training: A report from the joint ANMS-ESNM task force. Neurogastroenterol Motil 2018; 30:e13341. [PMID: 29577508 DOI: 10.1111/nmo.13341] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 02/18/2018] [Indexed: 01/10/2023]
Abstract
Although neurogastroenterology and motility (NGM) disorders are some of the most frequent disorders encountered by practicing gastroenterologists, a structured competency-based training curriculum developed by NGM experts is lacking. The American Neurogastroenterology and Motility Society (ANMS) and the European Society of Neurogastroenterology and Motility (ESNM) jointly evaluated the components of NGM training in North America and Europe. Eleven training domains were identified within NGM, consisting of functional gastrointestinal disorders, visceral hypersensitivity and pain pathways, motor disorders within anatomic areas (esophagus, stomach, small bowel and colon, anorectum), mucosal disorders (gastro-esophageal reflux disease, other mucosal disorders), consequences of systemic disease, consequences of therapy (surgery, endoscopic intervention, medications, other therapy), and transition of pediatric patients into adult practice. A 3-tiered training curriculum covering these domains is proposed here and endorsed by all NGM societies. Tier 1 NGM knowledge and training is expected of all gastroenterology trainees and practicing gastroenterologists. Tier 2 knowledge and training is appropriate for trainees who anticipate NGM disorder management and NGM function test interpretation being an important part of their careers, which may require competency assessment and credentialing of test interpretation skills. Tier 3 knowledge and training is undertaken by trainees interested in a dedicated NGM career and may be restricted to specific domains within the broad NGM field. The joint ANMS and ESNM task force anticipates that the NGM curriculum will streamline NGM training in North America and Europe and will lead to better identification of centers of excellence where Tier 2 and Tier 3 training can be accomplished.
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Affiliation(s)
- C P Gyawali
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - E Savarino
- Division of Gastroenterology, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Padua, Italy
| | - A Lazarescu
- Division of Gastroenterology, University of Alberta, Edmonton, Canada
| | - S Bor
- Department of Gastrenterology, Ege University, Izmir, Turkey
| | - A Patel
- Duke University School of Medicine and the Durham VA Medical Center, Durham, NC, USA
| | - R Dickman
- Division of Gastroenterology, Rabin Medical Center and The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - A Pressman
- Division of Gastroenterology, Brown University, Providence, RI, USA
| | - A M Drewes
- Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - J Rosen
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Mercy Hospital, Kansas City, USA
| | - V Drug
- Institute of Gastroenterology and Hepatology, University Hospital "St Spiridon", University of Medicine and Pharmacy "Gr T Popa", Iasi, Romania
| | - M Saps
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, University of Miami, Miami, FL, USA
| | - L Novais
- Neurogastroenterology and Gastrointestinal Motility Lab, New University of Lisbon, Lisbon, Portugal
| | - M Vazquez-Roque
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
| | - D Pohl
- Klinik fur Gastroenterologie und Hepatologie, University of Zurich, Zurich, Switzerland
| | - M A L van Tilburg
- College of Pharmacy & Health Sciences, Campbell University, Buies Creek, NC, USA.,Department of Medicine, University of North Carolina, Chapel Hill, NC, USA.,School of Social Work, University of Washington, Seattle, WA, USA
| | - A Smout
- Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - S Yoon
- Division of Gastroenterology and Hepatology, University of Rochester, Rochester, NY, USA
| | - J Pandolfino
- Division of Gastroenterology, Department of Medicine, Northwestern University, Chicago, IL, USA
| | - G Farrugia
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
| | - G Barbara
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - S Roman
- Digestive Physiology, Université de Lyon, Hospices Civils de Lyon, Lyon, France.,Digestive Physiology, Université de Lyon, Lyon I University, Lyon, France
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24
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Vasant DH, Sharma A, Bhagatwala J, Viswanathan L, Rao SSC. Apprenticeship-based training in neurogastroenterology and motility. Expert Rev Gastroenterol Hepatol 2018; 12:215-222. [PMID: 29140124 DOI: 10.1080/17474124.2018.1406308] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Although neurogastroenterology and motility (NGM) disorders affect 50% of patients seen in clinics, many gastroenterologists receive limited NGM training. One-month apprenticeship-based NGM training has been provided at ten centers in the USA for a decade, however, outcomes of this training are unclear. Our goal was to describe the effectiveness of this program from a trainees perspective. Areas covered: We describe the training model, learning experiences, and outcomes of one-month apprenticeship-based training in NGM at a center of excellence, using a detailed individual observer account and data from 12 consecutive trainees that completed the program. During a one-month training period, 302 procedures including; breath tests (BT) n = 132, anorectal manometry (ARM) n = 29 and esophageal manometry (EM) n = 28, were performed. Post-training, all trainees (n = 12) knew indications for motility tests, and the majority achieved independence in basic interpretation of BT, EM and ARM. Additionally, in a multiple-choice NGM written-test paper, trainees achieved significant improvements in test scores post-training (P = 0.003). Expert commentary: One-month training at a high-volume center can facilitate rapid learning of NGM and the indications, basic interpretation and utility of motility tests. Trainees demonstrate significant independence, and this training model provides an ideal platform for those interested in sub-specialty NGM.
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Affiliation(s)
- Dipesh H Vasant
- a Division of Gastroenterology and Hepatology , Digestive Health Center, Augusta University, Medical College of Georgia , Augusta , USA.,b Division of Diabetes, Endocrinology & Gastroenterology , Manchester Academic Health Sciences Centre, University of Manchester , Manchester , United Kingdom
| | - Amol Sharma
- a Division of Gastroenterology and Hepatology , Digestive Health Center, Augusta University, Medical College of Georgia , Augusta , USA
| | - Jigar Bhagatwala
- a Division of Gastroenterology and Hepatology , Digestive Health Center, Augusta University, Medical College of Georgia , Augusta , USA
| | - Lavanya Viswanathan
- a Division of Gastroenterology and Hepatology , Digestive Health Center, Augusta University, Medical College of Georgia , Augusta , USA
| | - Satish S C Rao
- a Division of Gastroenterology and Hepatology , Digestive Health Center, Augusta University, Medical College of Georgia , Augusta , USA
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25
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Yadlapati R, Keswani RN, Ciolino JD, Grande DP, Listernick ZI, Carlson DA, Castell DO, Dunbar KB, Gawron AJ, Gyawali CP, Katz PO, Katzka D, Lacy BE, Spechler SJ, Tatum R, Vela MF, Pandolfino JE. A System to Assess the Competency for Interpretation of Esophageal Manometry Identifies Variation in Learning Curves. Clin Gastroenterol Hepatol 2017; 15:1708-1714.e3. [PMID: 27473627 PMCID: PMC5272908 DOI: 10.1016/j.cgh.2016.07.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 06/03/2016] [Accepted: 07/03/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Quality esophageal high-resolution manometry (HRM) studies require competent interpretation of data. However, there is little understanding of learning curves, training requirements, or measures of competency for HRM. We aimed to develop and use a competency assessment system to examine learning curves for interpretation of HRM data. METHODS We conducted a prospective multicenter study of 20 gastroenterology trainees with no experience in HRM, from 8 centers, over an 8-month period (May through December 2015). We designed a web-based HRM training and competency assessment system. After reviewing the training module, participants interpreted 50 HRM studies and received answer keys at the fifth and then at every second interpretation. A cumulative sum procedure produced individual learning curves with preset acceptable failure rates of 10%; we classified competency status as competency not achieved, competency achieved, or competency likely achieved. RESULTS Five (25%) participants achieved competence, 4 (20%) likely achieved competence, and 11 (55%) failed to achieve competence. A minimum case volume to achieve competency was not identified. There was no significant agreement between diagnostic accuracy and accuracy for individual HRM skills. CONCLUSIONS We developed a competency assessment system for HRM interpretation; using this system, we found significant variation in learning curves for HRM diagnosis and individual skills. Our system effectively distinguished trainee competency levels for HRM interpretation and contrary to current recommendations, found that competency for HRM is not case-volume specific.
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Affiliation(s)
- Rena Yadlapati
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
| | - Rajesh N. Keswani
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jody D. Ciolino
- Department of Preventive Medicine-Division of Biostatistics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - David P. Grande
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Zoe I. Listernick
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Dustin A. Carlson
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Donald O. Castell
- Division of Gastroenterology & Hepatology, Medical University of South Carolina, Charleston, SC, USA
| | - Kerry B. Dunbar
- University of Texas Southwestern Medical Center and the Dallas VA Medical Center, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Dallas, TX, USA
| | - Andrew J. Gawron
- Division of Gastroenterology, University of Utah, Salt Lake City, IL, USA
| | - C. Prakash Gyawali
- Division of Gastroenterology, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Philip O. Katz
- Thomas Jefferson University, Philadelphia, Pennsylvania; Division of Gastroenterology, Albert Einstein Medical Center, Philadelphia, PN, USA
| | - David Katzka
- Division of Gastroenterology, Mayo Clinic, Rochester, MN, USA
| | - Brian E. Lacy
- Division of Gastroenterology, Dartmouth Hitchcock Medical Center, Lebanon, NH, USA
| | - Stuart J. Spechler
- University of Texas Southwestern Medical Center and the Dallas VA Medical Center, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Dallas, TX, USA
| | - Roger Tatum
- Department of Surgery, University of Washington, Seattle, WA, USA
| | - Marcelo F. Vela
- Division of Gastroenterology, Mayo Clinic Arizona, Scottsdale, AZ, USA
| | - John E. Pandolfino
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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Abstract
PURPOSE OF REVIEW Esophageal high-resolution manometry (HRM) is the current state-of-the-art diagnostic tool to evaluate esophageal motility patterns and, as such, is widely adopted in clinical practice. This article will review the interpretation of esophageal HRM in clinical practice. RECENT FINDINGS HRM uses a high-resolution catheter to transmit intraluminal pressure data that are subsequently converted into dynamic esophageal pressure topography (EPT) plots. Metric data from EPT plots are synthesized to yield an esophageal motility diagnosis according to the Chicago Classification, a formal analytic scheme for esophageal motility disorders, which is currently in version 3.0. The standard HRM protocol consists of a baseline phase and a series of 10 wet swallows in the supine or reclined position. In addition, data from swallows in the seated position and provocative HRM maneuvers provide useful information about motility properties. Combined high-resolution impedance technology is also clinically available and enables concurrent assessment of bolus transit and postprandial responses. Finally, there is ongoing interest to optimize the training and competency assessment for interpretation of HRM in clinical practice. SUMMARY Esophageal HRM is a valuable and sophisticated clinical tool to evaluate esophageal motility patterns. Emerging clinical applications of esophageal HRM include combined impedance technology, provocative maneuvers, and postprandial evaluation.
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Yadlapati R, Keswani RN, Dunbar KB, Gawron AJ, Gyawali CP, Kahrilas PJ, Katz PO, Katzka D, Spechler SJ, Tatum R, Pandolfino JE. Benchmarks for the interpretation of esophageal high-resolution manometry. Neurogastroenterol Motil 2017; 29:10.1111/nmo.12971. [PMID: 27739183 PMCID: PMC5367956 DOI: 10.1111/nmo.12971] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 09/12/2016] [Indexed: 12/21/2022]
Abstract
BACKGROUND Competent interpretation of esophageal high-resolution manometry (HRM) is integral to a quality study. Currently, methods to assess physician competency for the interpretation of esophageal HRM do not exist. The aim of this study was to use formal techniques to (i) develop an HRM interpretation exam, and (ii) establish minimum competence benchmarks for HRM interpretation skills at the trainee, physician interpreter, and master level. METHODS A total of 29 physicians from 8 academic centers participated in the study: 9 content experts separated into 2 study groups-expert test-takers (n=7) and judges (n=2), and 20 HRM inexperienced trainees ("trainee test-taker"; n=20). We designed the HRM interpretation exam based on expert consensus. Expert and trainee test-takers (n=27) completed the exam. According to the modified Angoff method, the judges reviewed the test-taker performance and established minimum competency cut scores for HRM interpretation skills. KEY RESULTS The HRM interpretation exam consists of 22 HRM cases with 8 HRM interpretation skills per case: identification of pressure inversion point, hiatal hernia >3 cm, integrated relaxation pressure, distal contractile integral, distal latency, peristaltic integrity, pressurization pattern, and diagnosis. Based on the modified Angoff method, minimum cut scores for HRM interpretation skills at the trainee, physician interpreter, and master level ranged from 65-80%, 85-90% (with the exception of peristaltic integrity), and 90-95%, respectively. CONCLUSIONS & INFERENCES Using a formal standard setting technique, we established minimum cut scores for eight HRM interpretation skills across interpreter levels. This examination and associated cut scores can be applied in clinical practice to judge competency.
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Affiliation(s)
- Rena Yadlapati
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Rajesh N. Keswani
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Kerry B. Dunbar
- University of Texas Southwestern Medical Center and the Dallas VA Medical Center, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Dallas, TX, USA
| | - Andrew J. Gawron
- Division of Gastroenterology, University of Utah, Salt Lake City, IL, USA
| | - C. Prakash Gyawali
- Division of Gastroenterology, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Peter J. Kahrilas
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Philip O. Katz
- Thomas Jefferson University, Philadelphia, Pennsylvania; Division of Gastroenterology, Albert Einstein Medical Center, Philadelphia, PA, USA
| | - David Katzka
- Division of Gastroenterology, Mayo Clinic, Rochester, MN, USA
| | - Stuart J. Spechler
- University of Texas Southwestern Medical Center and the Dallas VA Medical Center, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Dallas, TX, USA
| | - Roger Tatum
- Department of Surgery, University of Washington, Seattle, WA, USA
| | - John E. Pandolfino
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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Vasant DH, Radhakrishnan NV. Competency based medical education in gastrointestinal motility-the UK perspective. Neurogastroenterol Motil 2017; 29. [PMID: 28028899 DOI: 10.1111/nmo.12927] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Accepted: 07/27/2016] [Indexed: 02/08/2023]
Affiliation(s)
- D H Vasant
- Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
| | - N V Radhakrishnan
- Pennine Acute Hospitals NHS Trust, Greater Manchester, Manchester, UK
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29
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Gaddam S, Reddy CA, Munigala S, Patel A, Kanuri N, Almaskeen S, Rude MK, Abdalla A, Gyawali CP. The learning curve for interpretation of oesophageal high-resolution manometry: a prospective interventional cohort study. Aliment Pharmacol Ther 2017; 45:291-299. [PMID: 27859421 PMCID: PMC5148725 DOI: 10.1111/apt.13855] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 05/18/2016] [Accepted: 10/15/2016] [Indexed: 01/10/2023]
Abstract
BACKGROUND High-resolution manometry has become the preferred choice of oesophagologists for oesophageal motor assessment, but the learning curve among trainees remains unclear. AIM To determine the learning curve of high-resolution manometry interpretation. METHODS A prospective interventional cohort study was performed on 18 gastroenterology trainees, naïve to high-resolution manometry (median age 32 ± 4.0 years, 44.4% female). An intake questionnaire and a 1-h standardised didactic session were performed at baseline. Multiple 1-h interpretation sessions were then conducted periodically over 15 months where 10 studies were discussed; 5 additional test studies were provided for interpretation, and results were compared to gold standard interpretation by the senior author. Hypothetical management decisions based on trainee interpretation were separately queried. Accuracy was compared across test interpretations and sessions to determine the learning curve, with a goal of 90% accuracy. RESULTS Baseline accuracy was low for abnormal body motor patterns (53.3%), but higher for achalasia/outflow obstruction (65.9%). Recognition of achalasia reached 90% accuracy after six sessions (P = 0.01), while overall accurate management decisions reached this threshold by the 4th session (P < 0.001). Based on our data, the threshold of 90% accuracy for recognition of any abnormal from normal pattern was reached after 30 studies (3rd session) but fluctuated. Diagnosis of oesophageal body motor patterns remained suboptimal; accuracy of advisability of fundoplication improved, but did not reach 90%. CONCLUSIONS High-resolution manometry has a steep learning curve among trainees. Achalasia recognition is achieved early, but diagnosis of other abnormal motor patterns and management decisions require further supervised training.
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Affiliation(s)
- S Gaddam
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - C A Reddy
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - S Munigala
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - A Patel
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - N Kanuri
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - S Almaskeen
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - M K Rude
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - A Abdalla
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
| | - C P Gyawali
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
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31
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Affiliation(s)
- Sonia S Yoon
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - Braden Kuo
- Center for Neurointestinal Health, GI Motility Laboratory, Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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Yadlapati R, Keswani RN, Pandolfino JE. Competency based medical education in gastrointestinal motility. Neurogastroenterol Motil 2016; 28:1460-4. [PMID: 27061311 PMCID: PMC5042850 DOI: 10.1111/nmo.12835] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 03/14/2016] [Indexed: 02/08/2023]
Abstract
Traditional apprenticeship-based medical education methods focusing on subjective evaluations and case-volume requirements do not reliably produce clinicians that provide high-quality care in unsupervised practice. Consequently, training approaches are shifting towards competency based medical education, which incorporates robust assessment methods and credible standards of physician proficiency. However, current gastroenterology and hepatology training in the US continues to utilize procedural volume and global impressions without standardized criteria as markers of competence. In particular, efforts to optimize competency based training in gastrointestinal (GI) motility are not underway, even though GI motility disorders account for nearly half of outpatient gastroenterology visits. These deficiencies compromise the quality of patient care. Thus, there is a great need and opportunity to shift our focus in GI motility training towards a competency based approach. First, we need to clarify the variable rates of learning for individual diagnostic tests. We must develop integrated systems that standardize training and monitor physician competency for GI motility diagnostics. Finally, as a profession and society, we must create certification processes to credential competent physicians. These advances are critical to optimizing the quality of GI motility diagnostics in practice.
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Affiliation(s)
- R Yadlapati
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
| | - R N Keswani
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - J E Pandolfino
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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