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Odah T, Vattikonda A, Stark M, Brahmbhatt B, Lukens FJ, Badurdeen D, Hashash JG, Farraye FA. Glucagon-like peptide-1 receptor agonists and capsule endoscopy in patients with diabetes: a matched cohort study. Gastrointest Endosc 2024:S0016-5107(24)03360-1. [PMID: 39094916 DOI: 10.1016/j.gie.2024.07.014] [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] [Received: 05/12/2024] [Revised: 07/05/2024] [Accepted: 07/21/2024] [Indexed: 08/04/2024]
Abstract
BACKGROUND AND AIMS Video capsule endoscopy (VCE) is valuable for assessing conditions like GI bleeding, anemia, and inflammatory bowel disease. Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are prescribed for diabetes and weight loss, with their pharmacologic effects including delayed gastric emptying. This study investigates the impact of GLP-1 RA use on VCE outcomes in patients with diabetes. METHODS This retrospective cohort study involves patients with diabetes undergoing VCE while on GLP-1 RAs matched in a 1:1 ratio with control subjects, who are not on GLP-1 RAs, based on demographics and diabetes-related factors. The primary outcome was gastric transit time in VCE studies, whereas secondary outcomes were incomplete small-bowel evaluation and small-bowel transit time. RESULTS In the GLP-1 RA cohort with 68 patients, 5 (7%) experienced failure to pass the video capsule through the stomach; all control subjects passed the video capsule successfully (P = .06). GLP-1 RA patients had a longer gastric transit time (99.3 ± 134.2 minutes) compared with control subjects (25.3 ± 31.6 minutes, P < .001). Multivariate analysis revealed GLP-1 RA use was associated with an increased gastric transit time by 74.5 minutes (95% confidence interval, 33.8-115.2; P < .001) compared with control subjects, after adjusting for relevant factors. Sixteen GLP-1 RA patients (23.5%) experienced incomplete passage of the video capsule through the small intestine, a significantly higher rate compared with 3 patients in the control group (4.4%, P < .01). CONCLUSIONS GLP-1 RA use is associated with a prolonged gastric transit time and a higher rate of incomplete small-bowel evaluation during VCE. Future studies may be crucial for evaluating strategies to mitigate these effects.
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Affiliation(s)
- Tarek Odah
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Asrita Vattikonda
- Department of Internal Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Mark Stark
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Bhaumik Brahmbhatt
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Frank J Lukens
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Dilhana Badurdeen
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Jana G Hashash
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Francis A Farraye
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
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2
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Topa M, Rimondi A, Sorge A, Smania V, Scaramella L, Nandi N, Cavallaro F, Vecchi M, Elli L, Tontini GE. Incomplete small bowel capsule endoscopy: Risk factors and cost-effectiveness of real-time viewing. Endosc Int Open 2024; 12:E842-E848. [PMID: 38966319 PMCID: PMC11221906 DOI: 10.1055/a-2333-8002] [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: 12/27/2023] [Accepted: 04/06/2024] [Indexed: 07/06/2024] Open
Abstract
Background and study aims International guidelines recommend real-time viewing (RTV) in capsule endoscopy for gastric emptying monitoring, yet it is often overlooked in clinical practice. We aimed to assess risk factors for incomplete small bowel capsule endoscopy (SBCE) and evaluate the clinical relevance and cost-effectiveness of RTV implementation. Methods We included consecutive SBCEs from 2013 to 2020. RTV was not applied per local protocol. We used multivariate logistic regression to identify risk factors for incomplete SBCE, including prolonged gastric transit time (GTT) and prolonged small bowel transit time (SBTT). Results Analyzing 858 SBCEs, we observed a completion rate of 94.6%. Prolonged GTT and SBTT were present in 4.9% and 18.2% of complete SBCEs, and in 13% ( P =0.03) and 10.8% ( P =0.24) of incomplete SBCEs, respectively. Only 0.7% (6 of 858) had incomplete SBCE with prolonged GTT. In both univariate and multivariate analysis, a modifiable (prolonged GTT odds ratio [OR] 2.9; 95% confidence interval [CI] 1.1-7.5) and two unmodifiable risk factors (inpatient status OR 2.3; 95% CI 1.1-4.5) and history of incomplete SBCE (OR 4.2; 95% CI 1.3-13.7) were independently linked to higher incomplete SBCE rates. The pretest completion probability was 90.5% and 95.8% in patients with and without unmodifiable risk factors, respectively ( P <0.01). The direct cost of systematic RTV adoption and prokinetics administration would be €5059, aiming to identify and treat each case of prolonged GTT associated with incomplete SBCE. Conclusions Modern devices make incomplete SBCE rare, usually not tied to prolonged GTT. In a low-incidence scenario, widespread RTV use brings high costs and uncertain effectiveness.
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Affiliation(s)
- Matilde Topa
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Alessandro Rimondi
- Post graduate Specialization in Gastrointestinal Diseases, Università degli Studi di Milano, Milan, Italy
| | - Andrea Sorge
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Veronica Smania
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Lucia Scaramella
- Gastroenterology and Endoscopy Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Nicoletta Nandi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Flaminia Cavallaro
- Gastroenterology and Endoscopy Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Maurizio Vecchi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
- Gastroenterology and Endoscopy Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Luca Elli
- Gastroenterology and Endoscopy Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Gian Eugenio Tontini
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
- Gastroenterology and Endoscopy Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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3
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Sorge A, Elli L, Rondonotti E, Pennazio M, Spada C, Cadoni S, Cannizzaro R, Calabrese C, de Franchis R, Girelli CM, Marmo R, Riccioni ME, Marmo C, Oliva S, Scarpulla G, Soncini M, Vecchi M, Tontini GE. Enteroscopy in diagnosis and treatment of small bowel bleeding: A Delphi expert consensus. Dig Liver Dis 2023; 55:29-39. [PMID: 36100515 DOI: 10.1016/j.dld.2022.08.021] [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: 07/29/2022] [Accepted: 08/14/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Enteroscopy plays an important role in the management of small bowel bleeding. However, current guidelines are not specifically designed for small bowel bleeding and recommendations from different international societies do not always align. Consequently, there is heterogeneity in the definitions of clinical entities, clinical practice policies, and adherence to guidelines among clinicians. This represents an obstacle to providing the best patient care and to obtain homogeneous data for clinical research. AIMS The aims of the study were to establish a consensus on the definitions of bleeding entities and on the role of enteroscopy in the management of small bowel bleeding using a Delphi process. METHODS A core group of eight experts in enteroscopy identified five main topics of small bowel bleeding management and drafted statements on each topic. An expert panel of nine gastroenterologists participated in three rounds of the Delphi process, together with the core group. RESULTS A total of 33 statements were approved after three rounds of Delphi voting. CONCLUSION This Delphi consensus proposes clear definitions and a unifying strategy to standardize the management of small bowel bleeding. Furthermore, it provides a useful guide in daily practice for both clinical and technical issues of enteroscopy.
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Affiliation(s)
- Andrea Sorge
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
| | - Luca Elli
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | - Marco Pennazio
- University Division of Gastroenterology, City of Health and Science University Hospital, Turin, Italy
| | - Cristiano Spada
- Digestive Endoscopy Unit, Catholic University of Rome, Rome, Italy; Digestive Endoscopy Unit, Fondazione Poliambulanza, Brescia, Italy
| | - Sergio Cadoni
- Digestive Endoscopy Unit, Centro Traumatologico Ortopedico, Iglesias, Italy
| | - Renato Cannizzaro
- Experimental Oncological Gastroenterology Unit, Centro di Riferimento Oncologico di Aviano (CRO), Istituto Nazionale Tumori IRCCS, Aviano, Italy
| | - Carlo Calabrese
- University of Bologna Alma Mater - School of Medicine, Department of Medical and Surgical Sciences - Regional Referral Center for IBD, Bologna, Italy
| | | | | | | | - Maria Elena Riccioni
- Digestive Endoscopy Unit, IRCCS Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
| | - Clelia Marmo
- Digestive Endoscopy Unit, IRCCS Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
| | - Salvatore Oliva
- Gastroenterology and Paeditric Hepatology Unit, Università La Sapienza, Rome, Italy
| | | | - Marco Soncini
- Department of Internal Medicine, "A. Manzoni" Hospital, ASST Lecco, Italy
| | - Maurizio Vecchi
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Gian Eugenio Tontini
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
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4
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Abbasi Dezfouly M, Isaac DM, Buchholz H, Pidborochynski T, Conway J. Video Capsule Endoscopy in a Pediatric Patient With Hematemesis While on Ventricular Assist Device Support. JPGN REPORTS 2022; 3:e247. [PMID: 37168461 PMCID: PMC10158459 DOI: 10.1097/pg9.0000000000000247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 06/30/2022] [Indexed: 05/13/2023]
Abstract
We report the first case of video capsule endoscopy usage to diagnose gastrointestinal bleeding in a pediatric patient on a ventricular assist device. The outcomes of this case are consistent with the findings of reports in adult patients, showing no patient complications, no pacemaker or ventricular assist device interactions, and successful identification of a gastrointestinal source of bleeding. Use of video capsule endoscopy in this patient changed the management plan and eliminated the need for further invasive investigations highlighting the potential utility of this diagnostic method in this patient population.
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Affiliation(s)
| | - Daniela M. Isaac
- Division of Pediatric Gastroenterology and Nutrition, Stollery Children’s Hospital, Edmonton, AB, Canada
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
| | - Holger Buchholz
- Division of Cardiac Surgery, University of Alberta, Edmonton, AB, Canada
| | - Tara Pidborochynski
- Department of Pediatric Cardiology, University of Alberta, Edmonton, AB, Canada
| | - Jennifer Conway
- Department of Pediatric Cardiology, University of Alberta, Edmonton, AB, Canada
- Division of Pediatric Cardiology, Stollery Children’s Hospital, Edmonton, AB, Canada
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5
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de Sousa Magalhães R, Sousa-Pinto B, Boal Carvalho P, Rosa B, Moreira MJ, Cotter J. RHEMITT score: Predicting the risk of mid gastrointestinal rebleeding after small bowel capsule endoscopy: A prospective validation. J Gastroenterol Hepatol 2022; 37:310-318. [PMID: 34555864 DOI: 10.1111/jgh.15695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/02/2021] [Accepted: 09/21/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIM The RHEMITT score (Renal disease; Heart failure; Endoscopic findings; Major bleeding; Incomplete SBCE; Tobacco; Treatment by enteroscopy) was the first score to accurately predict the individual risk of small bowel rebleeding after capsule endoscopy (SBCE). The aim of the study is on the prospective validation of the RHEMITT score. METHODS Cohort of consecutive patients with mid-gastrointestinal bleeding (MGIB) submitted to SBCE and followed prospectively, during at least 12 months, since 2017 until 2020. Rebleeding was defined as an overt bleeding event (melena or hematochezia) or a hemoglobin decrease of at least 2 g/dL. The RHEMITT score was calculated for each patient and the rebleeding rates compared. The performance of the score was tested by calculating the area under curve of the receiver operator characteristic curve. A rebleeding-free survival was assessed, corresponding to the period between the date of SBCE and the date of the first post-SBCE rebleeding event. RESULTS We included 162 patients, 102 (62.9%) were female, with a mean age of 64 years old. The sensitivities and specificities of the score grades for predicting rebleeding were as following: for low-risk patients, 0% (0-10%) and 28.8% (21.1-36.5%); for intermediate-risk patients, 23.3% (8.2-38.4%) and 72% (64.3-79.7%); for high-risk patients, 76.7% (61.6-91.8%) and 99.2% (97.7-100%), corresponding to an area under curve of the receiver operator characteristic of 0.988 (P < 0.001). Kaplan-Meyer plots were statistically different according to the attributed risk (log-rank P value <0.001; Breslow-Wilcoxon P value <0.001). CONCLUSION The RHEMITT score performed with excellent discriminative power in predicting rebleeding risk, and we herewith propose a surveillance of MGIB patients guided by the RHEMITT score.
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Affiliation(s)
- Rui de Sousa Magalhães
- Gastroenterology Department, Hospital Senhora da Oliveira-Guimarães, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Guimarães, Portugal
| | - Bernardo Sousa-Pinto
- MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal.,CINTESIS-Center for Health Technology and Services Research, University of Porto, Porto, Portugal
| | - Pedro Boal Carvalho
- Gastroenterology Department, Hospital Senhora da Oliveira-Guimarães, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Guimarães, Portugal
| | - Bruno Rosa
- Gastroenterology Department, Hospital Senhora da Oliveira-Guimarães, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Guimarães, Portugal
| | - Maria João Moreira
- Gastroenterology Department, Hospital Senhora da Oliveira-Guimarães, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Guimarães, Portugal
| | - José Cotter
- Gastroenterology Department, Hospital Senhora da Oliveira-Guimarães, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Guimarães, Portugal
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6
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O’Hara F, McNamara D. Small-Bowel Capsule Endoscopy-Optimizing Capsule Endoscopy in Clinical Practice. Diagnostics (Basel) 2021; 11:2139. [PMID: 34829486 PMCID: PMC8623858 DOI: 10.3390/diagnostics11112139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/03/2021] [Accepted: 11/09/2021] [Indexed: 11/21/2022] Open
Abstract
The small bowel is the longest organ within the gastrointestinal tract. The emergence of small bowel capsule endoscopy (SBCE) over the last 20 years has revolutionized the investigation and diagnosis of small bowel pathology. Its utility as a non-invasive and well-tolerated procedure, which can be performed in an outpatient setting, has made it a valuable diagnostic tool. The indications for SBCE include obscure gastrointestinal bleeding, small bowel Crohn's disease, and, less frequently for screening in polyposis syndromes, celiac disease, or other small bowel pathology. Currently, there are several small bowel capsules on the market from different manufacturers; however, they share many technological features. The European Society of Gastrointestinal Endoscopy (ESGE) only recently developed a set of key quality indicators to guide quality standards in this area. Many of the technical aspects of capsule endoscopy still feature a degree of uncertainty in terms of optimal performance. Incomplete studies due to slow transit through the bowel, poor imaging secondary to poor preparation, and the risk of capsule retention remain frustrations in its clinical utility. Capsule review is a time-consuming process; however, artificial intelligence and machine learning offer opportunities to improve this. This narrative review examines our current standing in a number of these aspects and the potential to further the application of SBCE in order to maximize its diagnostic utility.
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Affiliation(s)
- Fintan O’Hara
- Department of Gastroenterology, Tallaght University Hospital, D24 NR0A Dublin, Ireland;
- TAGG Research Centre, School of Medicine, Trinity College, D24 NR0A Dublin, Ireland
| | - Deirdre McNamara
- Department of Gastroenterology, Tallaght University Hospital, D24 NR0A Dublin, Ireland;
- TAGG Research Centre, School of Medicine, Trinity College, D24 NR0A Dublin, Ireland
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7
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Koulaouzidis A, Dabos K, Toth E. Diving method or simply…water-immersion small-bowel capsule endoscopy. Gastrointest Endosc 2021; 94:878-879. [PMID: 34530981 DOI: 10.1016/j.gie.2021.05.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 05/29/2021] [Indexed: 02/08/2023]
Affiliation(s)
| | | | - Ervin Toth
- Skåne University Hospital, Lund University, Malmö, Sweden
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8
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Capsule Endoscopy: Pitfalls and Approaches to Overcome. Diagnostics (Basel) 2021; 11:diagnostics11101765. [PMID: 34679463 PMCID: PMC8535011 DOI: 10.3390/diagnostics11101765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/21/2021] [Indexed: 12/15/2022] Open
Abstract
Capsule endoscopy of the gastrointestinal tract is an innovative technology that serves to replace conventional endoscopy. Wireless capsule endoscopy, which is mainly used for small bowel examination, has recently been used to examine the entire gastrointestinal tract. This method is promising for its usefulness and development potential and enhances convenience by reducing the side effects and discomfort that may occur during conventional endoscopy. However, capsule endoscopy has fundamental limitations, including passive movement via bowel peristalsis and space restriction. This article reviews the current scientific aspects of capsule endoscopy and discusses the pitfalls and approaches to overcome its limitations. This review includes the latest research results on the role and potential of capsule endoscopy as a non-invasive diagnostic and therapeutic device.
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9
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Song HJ. [Optimal Bowel Preparation for Capsule Endoscopy and Device-assisted Enteroscopy]. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2021; 75:74-78. [PMID: 32098460 DOI: 10.4166/kjg.2020.75.2.74] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/18/2022]
Abstract
For improved examination of video capsule endoscopy (VCE) and device-assisted enteroscopy (DAE), bowel preparation is an essential issue. Multiple factors like air bubbles, food material in the small bowel, and gastric and small bowel transit time affect the small bowel visualization quality (SBVQ), diagnostic yield (DY) and cecal completion rate (CR). Bowel preparation with polyethylene glycol (PEG) solution enhances SBVQ and DY, but it has no effect on CR. Bowel preparation with PEG solution 2 L is similar to PEG 4 L in SBVQ, DY, and CR. Bowel preparation with fasting or PEG solution combined with anti-foaming agents like simethicone enhance SBVQ, but it has no effect on CR. Bowel preparation with prokinetics is not commonly recommended. Optimal timing for purgative bowel preparation has yet to be established. However, the studies regarding bowel preparation for DAE are not sufficient. European Society of Gastrointestinal Endoscopy (ESGE) recommends 8-12 hours fasting from solid food and 4-6 hours fasting from liquids prior to the antegrade DAE. For retrograde DAE, colonoscopy preparation regimen is recommended. This article reviews the literature and ESGE, 2013 Korean published guidelines regarding bowel preparation for VCE and DAE, following suggestion for optimal bowel preparation for VCE and balloon enteroscopy.
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Affiliation(s)
- Hyun Joo Song
- Department of Internal Medicine, Jeju National University School of Medicine, Jeju, Korea
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10
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Bolwell JG, Wild D. Indications, Contraindications, and Considerations for Video Capsule Endoscopy. Gastrointest Endosc Clin N Am 2021; 31:267-276. [PMID: 33743925 DOI: 10.1016/j.giec.2020.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Video capsule endoscopy is indicated in a broad range of clinical settings, most commonly in evaluating suspected small bowel bleeding. It is also useful in diagnosing Crohn's disease and monitoring patients with known Crohn's. Video capsule endoscopy has a role in evaluating patients with refractory celiac disease symptoms and in surveying patients with polyposis syndromes. The only absolute contraindication to video capsule endoscopy is luminal gastrointestinal tract obstruction. Despite manufacturer statement, video capsule endoscopy can be used safely in patients with implantable cardiac devices including pacemakers, defibrillators, and ventricular assist devices.
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Affiliation(s)
- Jacquelyn G Bolwell
- Duke University Medical Center, 1151 Duke South, Yellow Zone, Box 3534, Durham, NC 27710, USA
| | - Daniel Wild
- Division of Gastroenterology, Duke University Medical Center, Durham, NC, USA.
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11
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Huang L, Hu Y, Chen F, Liu S, Lu B. Effectiveness of Improved Use of Chewing Gum During Capsule Endoscopy in Decreasing Gastric Transit Time: A Prospective Randomized Controlled Study. Front Med (Lausanne) 2021; 8:605393. [PMID: 33681244 PMCID: PMC7928368 DOI: 10.3389/fmed.2021.605393] [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] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 01/25/2021] [Indexed: 12/22/2022] Open
Abstract
Background/Aim: Chewing gum throughout small bowel capsule endoscopy (SBCE) increases completion rates (CRs) but decreases small bowel transit time (SBTT) and diagnostic yield (DY). We determined the effects of chewing gum early during SBCE on gastric transit time (GTT), SBTT, CR, DY, and gastroscopy intervention. Methods: We prospectively enrolled patients (ages 16-80 years) undergoing SBCE between January and June 2019. Patients were randomized to a chewing gum group (103 patients) and a control group (102 patients). Patients in the former group chewed one piece of gum for ~15 min every 30 min during the first hour of SBCE. Two gastroenterologists blinded to the study group examined the data. Results: GTT was shorter in the chewing gum group (19.0 min, interquartile range: 17.0-52.0 min) than in the control group [42.5 min (23.25-60 min); P = 0.01]. SBTT was similar in the two groups [318.5 min (239.5-421.3 min) vs. 287.0 min (216.0-386.0 min); P = 0.08]. Gastroscopy rate was lower in the chewing gum group (15.53 vs. 32.35%, P = 0.005). CR (95.15 vs. 89.22%, P = 0.114) and DY (66.02 vs. 59.80%, P = 0.359) did not differ between the groups. The number of abnormal-lesion types detected per patient was higher in the chewing gum group [1.0 (0.0-2.0) vs. 2.0 (0.0-2.0); P = 0.049]. Conclusions: Chewing gum early during SBCE significantly reduced GTT and gastroscopy intervention, with no influence on SBTT (Trial number: NCT03815136).
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Affiliation(s)
- Liang Huang
- First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yue Hu
- First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Fang Chen
- Department of Gastroenterology, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Shan Liu
- First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Bin Lu
- First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
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12
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Wu J, Ye Z, Xue A, Huang Y. Can domperidone decrease transit time of pediatric video capsule endoscopy? A randomized controlled trial. Transl Pediatr 2021; 10:344-349. [PMID: 33708520 PMCID: PMC7944175 DOI: 10.21037/tp-20-273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The complete examination rate of video capsule endoscopy can be increased by reduced gastric transit time (GTT) and or small bowel transit time (SBTT). This study aims to examine whether the prokinetic domperidone reduces GTT and/or SBTT in pediatric patients undergoing video capsule endoscopy (VCE). METHODS We performed a single-center randomized controlled trial (n=200) to evaluate the effect of domperidone on GTT and SBTT among pediatric patients in a tertiary university-affiliated hospital for children. We explored whether patients randomized to domperidone had increased GTT, SBTT (primary outcomes) or higher complete examination rate (secondary outcome). The safety outcomes were the adverse effects in the domperidone group. This study was registered on ClinicalTrials.gov (NCT03662113). RESULTS Demographic features including gender and age were similar between the 100 patients of the domperidone group and the 100 patients of the control group. The median GTT was 67.5 minutes (44.8-117.5) in the domperidone group and 80.0 minutes (42.0-128.0) in the control group, while the median SBTT was 317 minutes (231-436) and 323 minutes (225-426), respectively. There were no significant differences in GTT (P=0.49) and SBTT (P=0.52) between the two groups. The complete examination rate was 97% and 98% in the domperidone and control groups, respectively (P=1.00). CONCLUSIONS Domperidone shows no effect on GTT, SBTT and complete examination rate in pediatric patients receiving VCE.
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Affiliation(s)
- Jie Wu
- Department of Gastroenterology, Children's Hospital of Fudan University, Shanghai, China
| | - Ziqing Ye
- Department of Gastroenterology, Children's Hospital of Fudan University, Shanghai, China
| | - Aijuan Xue
- Department of Gastroenterology, Children's Hospital of Fudan University, Shanghai, China
| | - Ying Huang
- Department of Gastroenterology, Children's Hospital of Fudan University, Shanghai, China
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13
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Yung DE, Plevris JN, Leenhardt R, Dray X, Koulaouzidis A. Poor Quality of Small Bowel Capsule Endoscopy Images Has a Significant Negative Effect in the Diagnosis of Small Bowel Malignancy. Clin Exp Gastroenterol 2020; 13:475-484. [PMID: 33116745 PMCID: PMC7586059 DOI: 10.2147/ceg.s260906] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/14/2020] [Indexed: 12/22/2022] Open
Abstract
Background and Aims Capsule endoscopy (CE) is a visual modality; hence, diagnosis relies on image quality. We studied the contribution of image parameters to visualization quality and their effect on diagnostic certainty of small bowel (SB) lesions. Methods Five clear CE images of common SB pathology – two vascular lesions, two inflammatory, one polyp – were processed for three image parameters to simulate poor SB conditions: opacity (color-matched to luminal content; 10–90%, 10% increments); blurriness (radius 1–10 pixels; one pixel increments); and contrast (−50-50%; 10% increments). Nine expert readers evaluated whether images were adequate for diagnosis. Points where perception of image quality changed significantly were determined for each parameter. Three further sets of SBCE images (vascular, inflammatory, and neoplastic lesions; nine images/set) were processed for four points/parameters. Twenty experienced/expert CE readers reviewed these images. Results The negative effects of opacity in diagnostic certainty were mostly evident in images of neoplasia; images of vascular and inflammatory lesions were less affected. Similar results were observed with increasing blur radius, simulating movement, and poor focus. The proportions of readers finding vascular and inflammatory images adequate for diagnosis did not drop significantly at wider blur radii, while images of neoplasia were quickly deemed inadequate. Low contrast had a greater negative effect than high, most consistently in neoplastic lesions. Conclusion Poor visualization quality in all parameters affected mostly neoplastic lesions. Software to increase contrast and sharpen images can improve visualization quality; smart frame rate adaptation could improve the number of high-quality frames obtained. Thoroughness in SB cleansing is most important when there is a suspicion of neoplasia.
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Affiliation(s)
- Diana E Yung
- Centre for Liver and Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, UK
| | - John N Plevris
- Centre for Liver and Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Romain Leenhardt
- Sorbonne University, Endoscopy Unit, APHP Saint-Antoine Hospital, Paris, France
| | - Xavier Dray
- Sorbonne University, Endoscopy Unit, APHP Saint-Antoine Hospital, Paris, France
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15
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Hosoe N, Takabayashi K, Ogata H, Kanai T. Capsule endoscopy for small-intestinal disorders: Current status. Dig Endosc 2019; 31:498-507. [PMID: 30656743 DOI: 10.1111/den.13346] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 01/09/2019] [Indexed: 12/13/2022]
Abstract
Small-bowel capsule endoscopy (SBCE) is used widely because of its non-invasive and patient-friendly nature. SBCE can visualize entire small-intestinal mucosa and facilitate detection of small-intestinal abnormalities. In this review article, we focus on the current status of SBCE. Several platforms for SBCE are available worldwide. Third-generation SBCE (PillCam® SB3) has a high-resolution camera equipped with an adaptive frame rate system. Several software modes have been developed to reduce the reading time for capsule endoscopy and to minimize the possibility of missing lesions. The main complication of SBCE is capsule retention. Thus, the main contraindication for SBCE is known or suspected gastrointestinal obstruction unless intestinal patency is proven. Possible indications for SBCE are obscure gastrointestinal bleeding, Crohn's disease, small-intestinal polyps and tumors, and celiac disease. Colon capsule endoscopy (CCE) can observe inflamed colonic mucosa non-invasively, and allows for the continuous and non-invasive observation of the entire intestinal tract (pan-endoscopy). Recently, application of CCE as pan-enteric endoscopy for inflammatory bowel diseases (including Crohn's disease) has been reported. In the near future, reading for CE will be assisted by artificial intelligence, and reading CE videos for long periods will not be required.
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Affiliation(s)
- Naoki Hosoe
- Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
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16
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Blanco Velasco G, Pérez Rodríguez M, Álvarez Licona NE. Small bowel transit time of capsule endoscopy as a factor for the detection of lesions in potential small bowel bleeding. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2019; 111:696-698. [PMID: 31333041 DOI: 10.17235/reed.2019.5943/2018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND the relationship between small bowel transit time (SBTT) of the capsule endoscopy (CE) and the diagnosis of small bowel bleeding (SBB) is controversial. OBJECTIVE to evaluate the relationship between SBTT and CE and the identification of SBB. MATERIAL AND METHODS CE was divided according to SBTT into < 4 hours and ≥ 4 hours. RESULTS CE with SBTT ≥ 4 hours identified more angioectasias (p = 0.023), single lesions (p = 0.029) and jejunal lesions (p = 0.001) with an OR of 3.13 (95% CI, 1.61-6.10, p = 0.001) to identify the cause of SBB. CONCLUSIONS CE SBTT of ≥ 4 hours increases the diagnosis of SBB.
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17
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Le Berre C, Trang-Poisson C, Bourreille A. Small bowel capsule endoscopy and treat-to-target in Crohn's disease: A systematic review. World J Gastroenterol 2019; 25:4534-4554. [PMID: 31496630 PMCID: PMC6710184 DOI: 10.3748/wjg.v25.i31.4534] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 05/28/2019] [Accepted: 07/19/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Crohn's disease (CD) can affect the entire gastrointestinal tract. Proximal small bowel (SB) lesions are associated with a significant risk of stricturing disease and multiple abdominal surgeries. The assessment of SB in patients with CD is therefore necessary because it may have a significant impact on prognosis with potential therapeutic implications. Because of the weak correlation that exists between symptoms and endoscopic disease activity, the "treat-to-target" paradigm has been developed, and the associated treatment goal is to achieve and maintain deep remission, encompassing both clinical and endoscopic remission. Small bowel capsule endoscopy (SBCE) allows to visualize the mucosal surface of the entire SB. At that time, there is no recommendation regarding the use of SBCE during follow-up. AIM To investigate the impact of SBCE in a treat-to-target strategy in patients with CD. METHODS An electronic literature search was conducted in PubMed and Cochrane library using the following search terms: "capsule endoscopy", in combination with "Crohn's disease" and "treat-to-target" or synonyms. Two authors independently reviewed titles and abstracts identified by the search strategy after duplicates were removed. Following the initial screening of abstracts, all articles containing information about SBCE in the context of treat-to-target strategy in patients with CD were included. Full-text articles were retrieved, reference lists were screened manually to identify additional studies. RESULTS Forty-seven articles were included in this review. Two indexes are currently used to quantify disease activity using SBCE, and there is good correlation between them. SBCE was shown to be useful for disease reclassification in patients who are suspected of having or who are diagnosed with CD, with a significant incremental diagnostic yield compared to other diagnostic modalities. Nine studies also demonstrated that the mucosal healing can be evaluated by SBCE to monitor the effect of medical treatment in patients with CD. This review also demonstrated that SBCE can detect post-operative recurrence to a similar extent as ileocolonoscopy, and proximal SB lesions that are beyond the reach of the colonoscope in over half of the patients. CONCLUSION SBCE could be incorporated in the treat-to-target algorithm for patients with CD. Randomized controlled trials are required to confirm its usefulness and reliability in this indication.
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Affiliation(s)
- Catherine Le Berre
- Institut des Maladies de l’Appareil Digestif, Nantes University Hospital, Nantes 44093, France
| | - Caroline Trang-Poisson
- Institut des Maladies de l’Appareil Digestif, Nantes University Hospital, Nantes 44093, France
| | - Arnaud Bourreille
- Institut des Maladies de l’Appareil Digestif, Nantes University Hospital, Nantes 44093, France
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18
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Magnetic Steering of Capsule Endoscopy Improves Small Bowel Capsule Endoscopy Completion Rate. Dig Dis Sci 2019; 64:1908-1915. [PMID: 30725289 DOI: 10.1007/s10620-019-5479-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 01/17/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Capsule endoscopy is currently available as a noninvasive and effective diagnostic modality to identify small bowel abnormalities, with a completion rate to the cecum between 75.1 and 95.6%. A novel magnetically controlled capsule endoscopy (MCE) system could facilitate passage of the capsule through the pylorus, thereby reducing the gastric transit time (GTT). OBJECTIVE We performed this study to determine whether magnetic steering could improve the capsule endoscopy completion rate (CECR) compared to standard protocol. METHODS Patients referred for MCE in our center from June 2017 to November 2017 were prospectively enrolled. Magnetic steering of the capsule through the pylorus was performed after standard gastric examination. CECR, GTT, pyloric transit time (PTT), and rapid gastric transit (GTT ≤ 30 min) rate were compared with a historical control group enrolled from January 2017 to May 2017. RESULTS CECR was significantly higher in the intervention group (n = 107) than control group (n = 120) (100% vs. 94.2%, P = 0.02), with a significantly shorter GTT (22.2 vs. 84.5 min, P < 0.001) and PTT (4.4 vs. 56.7 min, P < 0.001). Rapid gastric transit rate in the intervention group was significantly higher than the control group (58.9% vs. 15.0%, P < 0.001). There were no statistical differences in the diagnostic yields between the two groups. CONCLUSIONS Magnetic steering of capsule endoscopy improves small bowel CECR by reducing GTT, adding further support to MCE as a practical tool for noninvasive examination of both the stomach and small bowel. Trial registration ClinicalTrials.gov, ID: NCT03482661.
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Spada C, McNamara D, Despott EJ, Adler S, Cash BD, Fernández-Urién I, Ivekovic H, Keuchel M, McAlindon M, Saurin JC, Panter S, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Valori R, Bisschops R, Rutter MD. Performance measures for small-bowel endoscopy: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative. United European Gastroenterol J 2019; 7:614-641. [PMID: 31210941 DOI: 10.1177/2050640619850365] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 04/24/2019] [Indexed: 12/17/2022] Open
Abstract
The European Society of Gastrointestinal Endoscopy (ESGE) together with the United European Gastroenterology (UEG) recently developed a short list of performance measures for small-bowel endoscopy (i.e. small-bowel capsule endoscopy and device-assisted enteroscopy) with the final goal of providing endoscopy services across Europe with a tool for quality improvement. Six key performance measures both for small-bowel capsule endoscopy and for device-assisted enteroscopy were selected for inclusion, with the intention being that practice at both a service and endoscopist level should be evaluated against them. Other performance measures were considered to be less relevant, based on an assessment of their overall importance, scientific acceptability, and feasibility. Unlike lower and upper gastrointestinal endoscopy, for which performance measures had already been identified, this is the first time small-bowel endoscopy quality measures have been proposed.
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Affiliation(s)
- Cristiano Spada
- Digestive Endoscopy Unit and Gastroenterology, Fondazione Poliambulanza, Brescia, Italy.,Digestive Endoscopy Unit, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy
| | - Deirdre McNamara
- TAGG Research Centre, Department of Clinical Medicine, Tallaght Hospital, Trinity College Dublin, Ireland
| | - Edward J Despott
- Royal Free Unit for Endoscopy, The Royal Free Hospital and UCL Institute for Liver and Digestive Health, London, UK
| | - Samuel Adler
- Division of Gastroenterology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Brooks D Cash
- Department of Gastroenterology, Hepatology, and Nutrition, UT Health Science Center at Houston/Memorial Hermann, Houston, TX, USA.,McGovern Medical School, Department of Internal Medicine, Houston, TX, USA
| | | | - Hrvoje Ivekovic
- Department of Gastroenterology and Hepatology, University Hospital Centre, Zagreb, Croatia
| | - Martin Keuchel
- Clinic for Internal Medicine, Bethesda Krankenhaus Bergedorf, Hamburg, Germany
| | - Mark McAlindon
- Academic Department of Gastroenterology and Hepatology, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
| | - Jean-Christophe Saurin
- Gastroenterology and Endoscopy Unit, Hospices Civils de Lyon, Hôpital E. Herriot, Lyon, France
| | - Simon Panter
- Department of Gastroenterology, South Tyneside NHS Foundation Trust, South Shields, UK
| | | | - Silvia Minozzi
- CPO Piemonte, AOU Città della Salute e della Scienza, Turin, Italy
| | - Carlo Senore
- CPO Piemonte, AOU Città della Salute e della Scienza, Turin, Italy
| | - Cathy Bennett
- Office of Research and Innovation, Royal College of Surgeons in Ireland Coláiste Ríoga na Máinleá in Éirinn, Dublin, Ireland
| | - Michael Bretthauer
- Clinical Effectiveness Research Group, University of Oslo and Oslo University Hospital, Oslo, Norway
| | - Mario Dinis-Ribeiro
- Servicio de Gastroenterologia, Instituto Portugues de Oncologia Francisco Gentil, Porto, Portugal
| | - Dirk Domagk
- Department of Medicine I, Josephs-Hospital Warendorf, Academic Teaching Hospital, University of Muenster, Warendorf, Germany
| | - Cesare Hassan
- Endoscopy Unit, Nuovo Regina Margherita Hospital, Rome, Italy
| | - Michal F Kaminski
- Department of Gastroenterology, Hepatology and Oncology, Medical Center for Postgraduate Education, Warsaw, Poland.,Department of Gastroenterological Oncology and Department of Cancer Prevention, The Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland.,Department of Health Management and Health Economics, University of Oslo, Oslo, Norway
| | - Colin J Rees
- Northern Institute for Cancer Research, Newcastle University, Newcastle, UK
| | - Roland Valori
- Department of Gastroenterology, Gloucestershire Hospitals NHS Foundation Trust, Gloucestershire, UK
| | - Raf Bisschops
- Department of Gastroenterology and Hepatology. University Hospital Leuven, Leuven, Belgium
| | - Matthew D Rutter
- Northern Institute for Cancer Research, Newcastle University, Newcastle, UK.,Department of Gastroenterology, University Hospital of North Tees, Stockton-on-Tees, Cleveland, UK
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20
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Vasilakakis M, Koulaouzidis A, Yung DE, Plevris JN, Toth E, Iakovidis DK. Follow-up on: optimizing lesion detection in small bowel capsule endoscopy and beyond: from present problems to future solutions. Expert Rev Gastroenterol Hepatol 2019; 13:129-141. [PMID: 30791780 DOI: 10.1080/17474124.2019.1553616] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review presents noteworthy advances in clinical and experimental Capsule Endoscopy (CE), focusing on the progress that has been reported over the last 5 years since our previous review on the subject. Areas covered: This study presents the commercially available CE platforms, as well as the advances made in optimizing the diagnostic capabilities of CE. The latter includes recent concept and prototype capsule endoscopes, medical approaches to improve diagnostic yield, and progress in software for enhancing visualization, abnormality detection, and lesion localization. Expert commentary: Currently, moving through the second decade of CE evolution, there are still several open issues and remarkable challenges to overcome.
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Affiliation(s)
- Michael Vasilakakis
- a Department of Computer Science and Biomedical Informatics , University of Thessaly , Lamia , Greece
| | - Anastasios Koulaouzidis
- b Endoscopy Unit , The Royal Infirmary of Edinburgh , Edinburgh , Scotland.,c Department of Clinical Sciences , Lund University , Malmö , Sweden
| | - Diana E Yung
- b Endoscopy Unit , The Royal Infirmary of Edinburgh , Edinburgh , Scotland
| | - John N Plevris
- b Endoscopy Unit , The Royal Infirmary of Edinburgh , Edinburgh , Scotland
| | - Ervin Toth
- c Department of Clinical Sciences , Lund University , Malmö , Sweden.,d Section of Gastroenterology, Department of Clinical Sciences , Skåne University Hospital Malmö , Malmö , Sweden
| | - Dimitris K Iakovidis
- a Department of Computer Science and Biomedical Informatics , University of Thessaly , Lamia , Greece
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21
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Impact of magnetic steering on gastric transit time of a capsule endoscopy (with video). Gastrointest Endosc 2018; 88:746-754. [PMID: 30005825 DOI: 10.1016/j.gie.2018.06.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 06/29/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUNDS AND AIMS Delayed gastric transit of the capsule may lead to incomplete small bowel examination, reducing the diagnostic yield. Thus, this study was designed to determine if magnetic steering could enhance capsule gastric emptying and mucosal visualization within the duodenum. METHODS The intervention group comprised 100 patients undergoing magnetic-controlled capsule endoscopy between May to September 2017 in whom magnetic control was used to assist transpyloric passage of the capsule and duodenal inspection. A cohort of 100 patients who had undergone the procedure before May 2017 was randomly selected from the database as an historic control group in whom transpyloric movement of the capsule occurred spontaneously (without magnetic assistance). The difference in the pyloric transit time (PTT) and duodenal papilla detection rate (DPDR) between the 2 groups were compared, and related factors were also investigated. RESULTS Transpyloric passage of the capsule under magnetic control was successfully performed in 59 patients (59%). Median PTT was greatly reduced in the intervention group from 58.38 minutes (range, 13.45-87.47) to 4.69 minutes (range, 1.56-55.00; P < .001), and DPDR was also greatly improved with magnetic steering (30.5% vs 9%, P < .001). Magnetic steering, male gender, and higher body mass index were independently associated with reduced gastric transit time and magnetic steering with an enhanced DPDR. CONCLUSIONS Magnetic steering of the capsule can enhance gastric emptying of the capsule and may prove useful in nonobese and female patients who appeared to have longer gastric transit time and achieved a better DPDR than that under the action of peristalsis alone. (Clinical trial registration number: NCT03441945.).
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22
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Beg S, Parra-Blanco A, Ragunath K. Optimising the performance and interpretation of small bowel capsule endoscopy. Frontline Gastroenterol 2018; 9:300-308. [PMID: 30245793 PMCID: PMC6145435 DOI: 10.1136/flgastro-2017-100878] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/16/2017] [Accepted: 10/18/2017] [Indexed: 02/04/2023] Open
Abstract
Small bowel capsule endoscopy has become a commonly used tool in the investigation of gastrointestinal symptoms and is now widely available in clinical practice. In contrast to conventional endoscopy, there is a lack of clear consensus on when competency is achieved or the way in which capsule endoscopy should be performed in order to maintain quality and clinical accuracy. Here we explore the evidence on the key factors that influence the quality of small bowel capsule endoscopy services.
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Affiliation(s)
- Sabina Beg
- Department of Gastroenterology, NIHR Nottingham Digestive Diseases Biomedical Research Centre, Queens Medical Centre campus, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Adolfo Parra-Blanco
- Department of Gastroenterology, NIHR Nottingham Digestive Diseases Biomedical Research Centre, Queens Medical Centre campus, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Krish Ragunath
- Department of Gastroenterology, NIHR Nottingham Digestive Diseases Biomedical Research Centre, Queens Medical Centre campus, Nottingham University Hospitals NHS Trust, Nottingham, UK
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23
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Yung DE, Koulaouzidis A, Douglas S, Plevris JN. Earlier use of capsule endoscopy in inpatients with melena or severe iron deficiency anemia reduces need for colonoscopy and shortens hospital stay. Endosc Int Open 2018; 6:E1075-E1084. [PMID: 30211295 PMCID: PMC6133651 DOI: 10.1055/a-0640-2956] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 03/07/2018] [Indexed: 02/08/2023] Open
Abstract
Background and study aims Capsule endoscopy(CE) is a well-established investigation for iron deficiency anemia (IDA) and melena, usually following negative upper and lower endoscopy. We aimed to study the effect of earlier CE in the investigative pathway for inpatients with IDA or melena at a large tertiary referral centre. Patients and methods We analyzed inpatients undergoing CE for IDA or melena from 2005 to 2017, without signs/symptoms suggesting lower gastrointestinal tract pathology. Patients underwent CE following negative upper and lower gastrointestinal endoscopy (Group 1), or negative upper gastrointestinal endoscopy (UGIE) only (Group 2). Results One hundred and seventy inpatients underwent CE for IDA (n = 44) and melena (n = 126). In Group 1, 46/95 (48.4%) patients had small bowel (SB) findings. CE found 16/95 (16.8 %) gastric and 12/95 (12.6 %) colon findings. Three of 12 patients with colon findings required repeat colonoscopy. One hundred and three colon investigations were carried out for 95 admissions. In Group 2, 33/75 (44.0%) patients had SB findings. There were 12/75 (16.0 %) gastric and 11/75 (14.7 %) colon findings. In patients with positive CE, significant colonic findings led to colonoscopy in 10 of 39 patients (diagnostic yield 6/10). Thirty-six patients had negative CE; 15 underwent colonoscopy (diagnostic yield 9/15). The remaining 21 of 36 patients with no further colonoscopy did not develop adverse outcomes related to colonic pathology. Twenty-six colon investigations were carried out in 75 admissions. Patients in Group 2 had shorter mean times from admission to CE (5.08 ± 3.80 vs. 6.38 ± 3.80 days; P = 0.02) and hospital stays (10.5 ± 9.58 vs. 12.5 ± 11.4 days; P = 0.04) compared to Group 1. Conclusion Earlier use of CE in inpatients with melena or IDA, no signs of lower gastrointestinal pathology and negative UGIE resulted in shortened hospital stays, significant DY from both small bowel and upper gastrointestinal tract, and two-thirds less unnecessary colon investigations without affecting clinical outcomes.
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Affiliation(s)
- Diana E. Yung
- Centre for Liver & Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, United Kingdom,Corresponding author Diana E. Yung, MBChB Endoscopy UnitThe Royal Infirmary of Edinburgh51 Little France CrescentEH16 4SA+07789588408
| | - Anastasios Koulaouzidis
- Centre for Liver & Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
| | - Sarah Douglas
- Centre for Liver & Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
| | - John N. Plevris
- Centre for Liver & Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
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Pietri O, Rezgui G, Histace A, Camus M, Nion-Larmurier I, Li C, Becq A, Abou Ali E, Romain O, Chaput U, Marteau P, Florent C, Dray X. Development and validation of an automated algorithm to evaluate the abundance of bubbles in small bowel capsule endoscopy. Endosc Int Open 2018; 6:E462-E469. [PMID: 29616238 PMCID: PMC5880035 DOI: 10.1055/a-0573-1044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 01/03/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND AND STUDY AIMS Bubbles can impair visualization of the small bowel (SB) mucosa during capsule endoscopy (CE). We aimed to develop and validate a computed algorithm that would allow evaluation of the abundance of bubbles in SB-CE still frames. PATIENTS AND METHODS Two sets of 200 SB-CE normal still frames were created. Two experienced SB-CE readers analyzed both sets of images twice, in a random order. Each still frame was categorized as presenting with < 10 % or ≥ 10 % of bubbles. Reproducibility (κ), sensitivity (Se), specificity (Sp), receiver operating characteristic curve, and calculation time were measured for different algorithms (Grey-level of co-occurrence matrix [GLCM], fractal dimension, Hough transform, and speeded-up robust features [SURF]) using the experts' analysis as reference. Algorithms with highest reproducibility, Se and Sp were then selected for a validation step on the second set of frames. Criteria for validation were κ = 1, Se ≥ 90 %, Sp ≥ 85 %, and a calculation time < 1 second. RESULTS Both SURF and GLCM algorithms had high operating points (Se and Sp over 90 %) and a perfect reproducibility (κ = 1). The validation step showed the GLCM detector strategy had the best diagnostic performances, with a Se of 95.79 %, a Sp of 95.19 %, and a calculation time of 0.037 seconds per frame. CONCLUSION A computed algorithm based on a GLCM detector strategy had high diagnostic performance allowing assessment of the abundance of bubbles in SB-CE still frames. This algorithm could be of interest for clinical use (quality reporting) and for research purposes (objective comparison tool of different preparations).
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Affiliation(s)
- Olivia Pietri
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France
| | - Gada Rezgui
- ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France
| | - Aymeric Histace
- ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France
| | - Marine Camus
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France,Sorbonne University, Paris, France
| | | | - Cynthia Li
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France,College of Arts and Sciences, Drexel University, Philadelphia, Pennsylvania, United States
| | - Aymeric Becq
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France
| | - Einas Abou Ali
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France
| | - Olivier Romain
- ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France
| | - Ulriikka Chaput
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France
| | - Philippe Marteau
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France,ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France
| | - Christian Florent
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France,ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France
| | - Xavier Dray
- APHP Saint Antoine Hospital, Department of Hepatogastroenterology, Paris, France,ETIS, ENSEA, Cergy-Pontoise University, Cergy-Pontoise, France,Sorbonne University, Paris, France,Corresponding author Xavier Dray Paris 6 University & APHPHôpital Saint Antoine – Digestive Diseases184 rue du Faubourg Saint AntoineParis 75012France(+33)149282970
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25
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Prichard D, Ou G, Galorport C, Enns R. Sham Feeding with Bacon Does Not Alter Transit Time or Complete Examination Rate During Small Bowel Capsule Endoscopy. Dig Dis Sci 2018; 63:422-428. [PMID: 29302875 DOI: 10.1007/s10620-017-4901-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 12/22/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND During capsule endoscopy (CE) studies, the complete examination rate (CER) can be increased by prolonging capsule battery life or reducing gastric transit time (GTT) and/or small bowel transit time (SBTT). However, despite enhanced battery life, 10% of studies remain incomplete. Previously studied interventions to reduce SBTT and enhance CER have produced conflicting results. We hypothesize that this may be a consequence of an insufficiently potent stimulus of small bowel motility. AIMS To examine whether potent stimulation of the cephalic response of digestion during small bowel CE reduces GTT and/or SBTT and thus increases the CER. METHODS A single-blind randomized trial was performed to evaluate the effect of bacon sham feeding on GTT, SBTT and CER. RESULTS Baseline characteristics were similar between 63 sham fed patients and 59 controls. The median GTT was 17 min (9-65) in the bacon group and 25 min (14-55) in the control group. The median SBTT was 199 min (119-316) and 222 min (151-287), respectively. Cox proportional hazards model demonstrated no significant difference between groups for GTT (rate ratio 1.03, 95% CI 0.71-1.51, P = 0.87) or SBTT (rate ratio 1.02, 95% CI 0.70-1.49, P = 0.93). Although the taste of bacon was considered favorably by 72% of participants, taste did not correlate with GTT (ρ = 0.03, P = 0.83) or SBTT (ρ = - 0.115, P = 0.33). The CER was 91 and 95% in the bacon and control groups, respectively (P = 0.35). CONCLUSION Bacon sham feeding has no effect on GTT, SBTT or CER and cannot be recommended in clinical practice.
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Affiliation(s)
- David Prichard
- Mayo Clinic Health System Franciscan Healthcare in La Crosse, 700 West Avenue South, La Crosse, WI, 54601, USA. .,St Paul's Hospital, University of British Columbia, Vancouver, BC, Canada.
| | - George Ou
- St Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Cherry Galorport
- St Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Robert Enns
- St Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
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Lai H, Huang J, Xu Y, Zhang J, Chen Z, Xi F, Li A, Liu S. Association between patient characteristics and magnetically controlled capsule endoscopy findings. Saudi J Gastroenterol 2018; 24:189-195. [PMID: 29652031 PMCID: PMC5985639 DOI: 10.4103/sjg.sjg_509_17] [Citation(s) in RCA: 2] [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] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND/AIM Magnetically-controlled capsule endoscopy (MCE) is a potential option for the evaluation of gastric diseases in cases that are unsuited for conventional endoscopy, avoiding discomfort, sedation, and related complications. This retrospective study investigated associations between MCE findings and patient gender, age, and inpatient/outpatient status. PATIENTS AND METHODS The data of 580 consecutive patients who underwent MCE from 2015 to 2016 were analyzed. Data included age, gender, indication for MCE, inpatient/outpatient status, overall coverage of gastric anatomical landmarks, and comorbid conditions. RESULTS Compared with outpatients, inpatients had a higher rate of overall significant MCE findings (P = 0.014), polyp (P = 0.03), and ulceration (P = 0.003). MCE findings of the inpatient men and women were similar. Considering all patients, the percentage with ulceration was significantly higher in men than in women (P = 0.004), and men were younger (P < 0.001). Compared with younger patients, those aged ≥60 years had significantly higher rates of overall significant findings, mainly polyp and angiodysplasia. CONCLUSIONS Compared with outpatients, the inpatients showed higher overall significant findings. Men undergoing MCE were younger than the women, and more likely to have ulcerations. Older patients, whether outpatient or inpatient, had higher rates of significant findings, mainly polyp and angiodysplasia.
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Affiliation(s)
- Huasheng Lai
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Junsheng Huang
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Yangzhi Xu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Jie Zhang
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Zhenyu Chen
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Fengcheng Xi
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Aimin Li
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China,Address for correspondence: Dr. Side Liu, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, No. 1838, Guangzhou Avenue North, Guangzhou, People's Republic of China. E-mail:
Dr. Aimin Li, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, No. 1838, Guangzhou Avenue North, Guangzhou, People's Republic of China. E-mail:
| | - Side Liu
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China,Address for correspondence: Dr. Side Liu, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, No. 1838, Guangzhou Avenue North, Guangzhou, People's Republic of China. E-mail:
Dr. Aimin Li, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, No. 1838, Guangzhou Avenue North, Guangzhou, People's Republic of China. E-mail:
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Alkhormi A, Memon MY, Elhafi A, Aljohani M, Aljahdali A, Khatimi A, Rizvi A, Shaban K, Yazdani G, Alnasser M. Initial experience of video capsule endoscopy at a tertiary center in Saudi Arabia. Saudi J Gastroenterol 2018; 24:355-359. [PMID: 30004041 PMCID: PMC6253910 DOI: 10.4103/sjg.sjg_110_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND/AIM No prior experience with video capsule endoscopy (VCE) has been published from Saudi Arabia. In this study, we aim to report the first Saudi experience with VCE. PATIENTS AND METHODS A prospective study was conducted between March 2013 and September 2017 at King Abdulaziz Medical City, Riyadh, Saudi Arabia. Eligible patients underwent VCE and their data (age, sex, indication for VCE, type of obscure gastrointestinal bleeding [OGIB: overt vs occult], VCE findings, and complications) were recorded. Approval was obtained from the institutional ethics board before the study began and all patients provided verbal and signed consent for the procedure. The procedure was performed according to the established guidelines. RESULTS During the study period, a total 103 VCE procedures were performed on 96 patients. Overall, 60 participants (62.5%) were male (mean age, 58.8 years; range, 25-97 years) and 36 (37.5%) were female (mean age, 52.8 years; range, 18-78 years). The most frequent indication for VCE was OGIB (n = 91, 88.35%; overt, n = 46, 50.55%; occult, n = 45, 49.45%). Other indications were suspected Crohn's disease (n = 4, 3.88%), suspected complicated celiac disease (n = 4, 3.88%), and unexplained chronic abdominal pain (n = 4, 3.88%). The VCE results were categorized as incomplete (n = 2, 1.94%), poor-quality (n = 7; 6.8%), normal (n = 39, 37.86%), and abnormal (n = 55, 53.4%). The completion rate was 98.06% (n = 101), and the overall diagnostic yield was 53.4%. Of the 55 patients with abnormal VCE results, 43 (78.2%) had small bowel (SB) abnormalities and 12 (21.8%) had abnormalities in the proximal or distal gut. The most frequent SB abnormalities were angiodysplasia (n = 22, 40.0%) and tumors (n = 7, 12.7%). CONCLUSION The diagnostic yield of VCE for Saudi patients with OGIB is comparable to that reported internationally; however, data for other VCE indications, including inflammatory bowel disease, are still lacking.
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Affiliation(s)
- Abdulrahman Alkhormi
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia,Address for correspondence: Dr. Abdulrahman Alkhormi, Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh - 11426, Saudi Arabia. E-mail:
| | - Mohammed Y. Memon
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Ahmad Elhafi
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Mishal Aljohani
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Abdullah Aljahdali
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Adil Khatimi
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Amer Rizvi
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Khaled Shaban
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Ghulam Yazdani
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Mohammed Alnasser
- Gastroenterology and Endoscopy Unit, King Abdulaziz Medical City, Riyadh, Saudi Arabia
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Yung DE, Rondonotti E, Sykes C, Pennazio M, Plevris JN, Koulaouzidis A. Systematic review and meta-analysis: is bowel preparation still necessary in small bowel capsule endoscopy? Expert Rev Gastroenterol Hepatol 2017; 11:979-993. [PMID: 28737439 DOI: 10.1080/17474124.2017.1359540] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Optimal bowel preparation for small bowel capsule endoscopy(SBCE) is controversial. This meta-analysis aimed to investigate the effects of laxatives in SBCE. METHODS A comprehensive literature search was conducted for studies investigating the use of laxatives in SBCE. The primary outcome was diagnostic yield(DY) for SB findings; secondary outcomes SB visualization quality(SBVQ) and completion rate(CR). Pooled odds ratios(ORs) with 95% confidence intervals(CIs) and number needed to treat(NNT) were calculated. RESULTS Forty studies (4380 patients with laxatives, 2185 without) were included. Laxative use did not improve DY of SB findings overall (OR 1.11 (95%CI 0.85-1.44)) or for significant SB findings (OR 1.10 (95%CI 0.76-1.60)). However, SBVQ improved with the use of laxatives (OR 1.60 (95%CI 1.08-2.06)), NNT 14. The OR for completed SBCE was 1.30 (95%CI 0.95-1.78). Patients given polyethylene glycol(PEG) had lower DY than sodium phosphate(NaP). SBVQ improved more with NaP (NNT 7) than PEG (NNT 53). CONCLUSIONS Laxatives do not significantly improve DY or CR in SBCE, but do improve SBQV. The use of laxatives may be beneficial in patients likely to have subtle findings. There are significant differences in methodology/definitions between studies, hence the need for standardized visualization scoring and recording of SBCE findings.
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Affiliation(s)
- Diana E Yung
- a Centre for Liver & Digestive Disorders , The Royal Infirmary of Edinburgh , Edinburgh , UK
| | | | - Catherine Sykes
- a Centre for Liver & Digestive Disorders , The Royal Infirmary of Edinburgh , Edinburgh , UK
| | - Marco Pennazio
- c Division of Gastroenterology U , San Giovanni AS University-Teaching Hospital , Torino , Italy
| | - John N Plevris
- a Centre for Liver & Digestive Disorders , The Royal Infirmary of Edinburgh , Edinburgh , UK
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Hardy BT, Gentile-Solomon J, Solomon JA. Multiple gastric erosions diagnosed by means of capsule endoscopy in a dog. J Am Vet Med Assoc 2017; 249:926-930. [PMID: 27700263 DOI: 10.2460/javma.249.8.926] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
CASE DESCRIPTION A 6-year-old spayed female Golden Retriever was evaluated for a 2-week history of progressive hyporexia, signs of abdominal pain, and weight loss. CLINICAL FINDINGS Physical examination findings included mild signs of pain on palpation of the cranial part of the abdomen and a body condition score of 4 (scale, 1 to 9). A CBC revealed mild microcytosis and hypochromasia; results of serum biochemical analysis were within the respective reference ranges, and abdominal ultrasonography revealed no abnormalities. Capsule endoscopy was performed, and numerous gastric erosions and hemorrhages were detected, with rare dilated lacteals in the proximal aspect of the small intestine. TREATMENT AND OUTCOME Treatment was initiated with omeprazole and sucralfate for 6 weeks, and the dog was transitioned to a novel protein diet. Capsule endoscopy was repeated at the end of the initial treatment course and revealed overall improvement, with a few small erosions remaining; medical treatment was continued for an additional 2 weeks. At last follow-up 9 months after treatment ended, the dog was clinically normal. CLINICAL RELEVANCE Capsule endoscopy was useful for initial detection and subsequent reevaluation of gastrointestinal lesions in this patient without a need for sedation or anesthesia. Information obtained in the follow-up evaluation was valuable in identifying a need to extend the duration of medical treatment.
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Matsuura M, Inamori M, Inou Y, Kanoshima K, Higurashi T, Ohkubo H, Iida H, Endo H, Nonaka T, Kusakabe A, Maeda S, Nakajima A. Lubiprostone improves visualization of small bowel for capsule endoscopy: a double-blind, placebo-controlled 2-way crossover study. Endosc Int Open 2017; 5:E424-E429. [PMID: 28573175 PMCID: PMC5451284 DOI: 10.1055/s-0043-105487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 02/06/2017] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND AND STUDY AIMS Lubiprostone has been reported to be an anti-constipation drug. The aim of the study was to investigate the usefulness of lubiprostone both for bowel preparation and as a propulsive agent in small bowel endoscopy. PATIENTS AND METHODS This was a double-blind, placebo-controlled, 2-way crossover study of subjects who volunteered to undergo capsule endoscopy (CE). A total of 20 subjects (16 male and 4 female volunteers) were randomly assigned to receive a 24-μg tablet of lubiprostone 120 minutes prior to capsule ingestion for CE (L regimen), or a placebo tablet 120 minutes prior to capsule ingestion for CE (P regimen). Main outcome was gastric transit time (GTT) and small-bowel transit time (SBTT). Secondary outcome was adequacy of small-bowel cleansing and the fluid score in the small bowel. The quality of the capsule endoscopic images and fluid in the small bowel were assessed on 5-point scale. RESULTS The capsule passed into the small bowel in all cases. Median GTT was 57.3 (3 - 221) minutes for the P regimen and 61.3 (10 - 218) minutes for the L regimen ( P = 0.836). Median SBTT was 245.0 (164 - 353) minutes for the P regimen and 228.05 (116 - 502) minutes for the L regimen ( P = 0.501). The image quality score in the small bowel was 3.05 ± 1.08 for the P regimen and 3.80 ± 0.49 for the L regimen ( P < 0.001). The fluid score in the small bowel was 2.04 ± 1.58 for the P regimen and 2.72 ± 1.43 for the L regimen ( P < 0.001). There was a significant difference between the 2 regimens with regard to image quality. The fluid score was more plentiful for the L regimen than for the P regimen. There were no cases of capsule retention or serious adverse events in this study. CONCLUSION Our study showed that use of lubiprostone prior to CE significantly improved visualization of the small bowel during CE as a result of inducing fluid secretion into the small bowel.
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Affiliation(s)
- Mizue Matsuura
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Masahiko Inamori
- Office of Postgraduate Medical Education, Yokohama City University Hospital
| | - Yumi Inou
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Kenji Kanoshima
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Takuma Higurashi
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Hidenori Ohkubo
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Hiroshi Iida
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Hiroki Endo
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Takashi Nonaka
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
| | - Akihiko Kusakabe
- Department of General Medicine, Yokohama City University School of Medicine
| | - Shin Maeda
- Office of Postgraduate Medical Education, Yokohama City University Hospital
| | - Atsushi Nakajima
- Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine
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Albrecht H, Vetter M, Dauth W, Zoicas F, Neurath MF, Hagel AF. The impact of hospitalization on the performance of capsule endoscopy (CE). Dig Liver Dis 2017; 49:647-650. [PMID: 28258930 DOI: 10.1016/j.dld.2017.02.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND For proper evaluation of capsule endoscopy (CE), a complete examination is necessary. AIM We evaluated risk factors of an incomplete CE with focus on patient hospitalization. METHODS We retrospectively evaluated 161 consecutive patients who underwent CE between 01.07.2013 and 13.03.2016. Main indications were active bleeding, iron deficiency anemia (IDA), inflammatory bowel disease (IBD), abdominal pain, and familial adenomatous polyposis (FAP). RESULTS We report the results of 103 in-patients and 56 out-patients. Eighty-two patients were male, average age was 58.9 years (range 18-90). Indications for CE were active bleeding (103 patients), IDA and IBD (16 patients), and FAP, abdominal pain and others (eight examinations each). All FAP patients were out-patients, but showed the longest small bowel transit time (SBTT) of 443.6min (p=0.0001). The shortest SBTT was found in out-patients without FAP (267.5min, p<0.05). In the in-patient group, nine endoscopies did not record the entire small bowel (8.7%) due to battery depletion, compared with only one incomplete examination in the out-patients (1.8%, p=0.036). We found pathologic lesions in the last 30min of the SBTT in 43 patients, and this indicates the necessity for complete examination. Thirteen of these 43 patients showed major lesions such as ulcers or angiodysplasia in this last region alone. CONCLUSION In-patients might require special treatment to ensure complete examination, since a considerable amount of pathologies can only be found in the ileum.
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Affiliation(s)
- Heinz Albrecht
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Marcel Vetter
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | | | - Flavius Zoicas
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
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Wu S, Gao YJ, Ge ZZ. Optimal use of polyethylene glycol for preparation of small bowel video capsule endoscopy: a network meta-analysis. Curr Med Res Opin 2017; 33:1149-1154. [PMID: 28318326 DOI: 10.1080/03007995.2017.1308922] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Standardized strategy of bowel preparation before video capsule endoscopy (VCE) remains controversial. This study aimed to assess the ideal dose of PEG, based on small bowel visualization quality (SBVQ), diagnostic yield (DY), and complete rate (CR) of VCE using a network meta-analysis (NMA) of randomized controlled trials (RCTs). METHODS This NMA included RCTs comparing any of the following bowel preparation interventions for VCE: fasting overnight ("Fast"), 1 liter PEG ("PEG 1L"), 2-liter PEG ("PEG 2L"), or 4-liter PEG ("PEG 4L"). The authors searched papers in PubMed, Cochrane Library, and Embase as of June 2016. The cumulative ranking (SUCRA) probabilities to rank different doses of PEG and Fast were used. RESULTS The search engine provided 102 studies. Nine RCTs including 982 patients were incorporated into this analysis. All studies showed low risk of bias of blinding. SUCRA provided an initial ranking among these strategies, in which PEG 2 L showed the best score in SBVQ (PEG 2 L, 89.4%; PEG 1 L, 62.5%; PEG 4 L, 44.0%; Fast, 4.1%) and DY (PEG 2 L, 74.6%; PEG 1 L 28.1%; PEG 4 L 65.9%; Fast 31.4%) of VCE. No significant difference was shown in the analysis of CR. CONCLUSIONS This study recommends PEG 2 L as the ideal dose, which may improve the SBVQ of VCE and, therefore, diagnostic accuracy. Multi-center randomized controlled trials are required to verify these findings.
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Affiliation(s)
- Shan Wu
- a Division of Gastroenterology and Hepatology , Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai Institute of Digestive Disease, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health , Shanghai , PR China
| | - Yun-Jie Gao
- a Division of Gastroenterology and Hepatology , Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai Institute of Digestive Disease, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health , Shanghai , PR China
| | - Zhi-Zheng Ge
- a Division of Gastroenterology and Hepatology , Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai Institute of Digestive Disease, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health , Shanghai , PR China
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Enns RA, Hookey L, Armstrong D, Bernstein CN, Heitman SJ, Teshima C, Leontiadis GI, Tse F, Sadowski D. Clinical Practice Guidelines for the Use of Video Capsule Endoscopy. Gastroenterology 2017; 152:497-514. [PMID: 28063287 DOI: 10.1053/j.gastro.2016.12.032] [Citation(s) in RCA: 255] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Video capsule endoscopy (CE) provides a noninvasive option to assess the small intestine, but its use with respect to endoscopic procedures and cross-sectional imaging varies widely. The aim of this consensus was to provide guidance on the appropriate use of CE in clinical practice. METHODS A systematic literature search identified studies on the use of CE in patients with Crohn's disease, celiac disease, gastrointestinal bleeding, and anemia. The quality of evidence and strength of recommendations were rated using the Grading of Recommendation Assessment, Development, and Evaluation (GRADE) approach. RESULTS The consensus includes 21 statements focused on the use of small-bowel CE and colon capsule endoscopy. CE was recommended for patients with suspected, known, or relapsed Crohn's disease when ileocolonoscopy and imaging studies were negative if it was imperative to know whether active Crohn's disease was present in the small bowel. It was not recommended in patients with chronic abdominal pain or diarrhea, in whom there was no evidence of abnormal biomarkers typically associated with Crohn's disease. CE was recommended to assess patients with celiac disease who have unexplained symptoms despite appropriate treatment, but not to make the diagnosis. In patients with overt gastrointestinal bleeding, and negative findings on esophagogastroduodenoscopy and colonoscopy, CE should be performed as soon as possible. CE was recommended only in selected patients with unexplained, mild, chronic iron-deficiency anemia. CE was suggested for surveillance in patients with polyposis syndromes or other small-bowel cancers, who required small-bowel studies. Colon capsule endoscopy should not be substituted routinely for colonoscopy. Patients should be made aware of the potential risks of CE including a failed procedure, capsule retention, or a missed lesion. Finally, standardized criteria for training and reporting in CE should be defined. CONCLUSIONS CE generally should be considered a complementary test in patients with gastrointestinal bleeding, Crohn's disease, or celiac disease, who have had negative or inconclusive endoscopic or imaging studies.
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Affiliation(s)
- Robert A Enns
- Division of Gastroenterology, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Lawrence Hookey
- Division of Gastroenterology, Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - David Armstrong
- Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Charles N Bernstein
- Section of Gastroenterology, Department of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Steven J Heitman
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Christopher Teshima
- Division of Gastroenterology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Grigorios I Leontiadis
- Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Frances Tse
- Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Daniel Sadowski
- Division of Gastroenterology, Royal Alexandria Hospital, Edmonton, Alberta, Canada
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Girelli CM, Soncini M, Rondonotti E. Implications of small-bowel transit time in the detection rate of capsule endoscopy: A multivariable multicenter study of patients with obscure gastrointestinal bleeding. World J Gastroenterol 2017; 23:697-702. [PMID: 28216977 PMCID: PMC5292344 DOI: 10.3748/wjg.v23.i4.697] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Revised: 11/27/2016] [Accepted: 12/08/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To define the role of small-bowel transit time in the detection rate of significant small-bowel lesions.
METHODS Small-bowel capsule endoscopy records, prospectively collected from 30 participating centers in the Lombardy Registry from October 2011 to December 2013, were included in the study if the clinical indication was obscure gastrointestinal bleeding and the capsule reached the cecum. Based on capsule findings, we created two groups: P2 (significant findings) and P0-1 (normal/negligible findings). Groups were compared for age, gender, small-bowel transit time, type of instrument, modality of capsule performance (outpatients vs inpatients), bowel cleanliness, and center volume.
RESULTS We retrieved and scrutinized 1,433 out of 2,295 capsule endoscopy records (62.4%) fulfilling the inclusion criteria. Patients were 67 ± 15 years old, and 815 (57%) were males. In comparison with patients in the P0-1 group, those in the P2 group (n = 776, 54%) were older (P < 0.0001), had a longer small-bowel transit time (P = 0.0015), and were more frequently examined in low-volume centers (P < 0.001). Age and small-bowel transit time were correlated (P < 0.001), with age as the sole independent predictor on multivariable analysis. Findings of the P2 group were artero-venous malformations (54.5%), inflammatory (23.6%) and protruding (10.4%) lesions, and luminal blood (11.5%).
CONCLUSION In this selected, prospectively collected cohort of small-bowel capsule endoscopy performed for obscure gastrointestinal bleeding, a longer small-bowel transit time was associated with a higher detection rate of significant lesions, along with age and a low center volume, with age serving as an independent predictor.
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The Effect of Prucalopride on Small Bowel Transit Time in Hospitalized Patients Undergoing Capsule Endoscopy. Can J Gastroenterol Hepatol 2017; 2017:2696947. [PMID: 29333428 PMCID: PMC5733169 DOI: 10.1155/2017/2696947] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 09/14/2017] [Accepted: 11/09/2017] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The inpatient status is a well-known risk factor for incomplete video capsule endoscopy (VCE) examinations due to prolonged transit time. We aimed to evaluate the effect of prucalopride on small bowel transit time for hospitalized patients undergoing VCE. METHODS We included all hospitalized patients who underwent VCE at a tertiary academic center from October 2011 through September 2016. A single 2 mg dose of prucalopride was given exclusively for all patients who underwent VCE between March 2014 and December 2015. VCE studies were excluded if the capsule was retained or endoscopically placed, if other prokinetic agents were given, in cases with technical failure, or if patients had prior gastric or small bowel resection. RESULTS 442 VCE were identified, of which 68 were performed in hospitalized patients. 54 inpatients were included, of which 29 consecutive patients received prucalopride. The prucalopride group had a significantly shorter small bowel transit time compared to the control group (92 versus 275.5, p < 0.001). There was a trend for a higher completion rate in the prucalopride group (93.1% versus 76%, p = 0.12). CONCLUSIONS Our results suggest that the administration of prucalopride prior to VCE is a simple and effective intervention to decrease small bowel transit time.
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Jensen MD, Brodersen JB, Kjeldsen J. Capsule endoscopy for the diagnosis and follow up of Crohn's disease: a comprehensive review of current status. Ann Gastroenterol 2016; 30:168-178. [PMID: 28243037 PMCID: PMC5320029 DOI: 10.20524/aog.2016.0119] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 11/17/2016] [Indexed: 02/06/2023] Open
Abstract
Capsule endoscopy (CE) has revolutionized the diagnosis and monitoring of small bowel Crohn’s disease (CD). The procedure is patient friendly and noninvasive, and compared to cross-sectional imaging, CE allows a direct and detailed evaluation of the entire small bowel mucosa with a high sensitivity for the earliest lesions of CD. Today, CE is the leading modality for visualizing the small bowel in suspected CD, and validated activity indices are available for the follow up of patients with established CD. CE of the entire gastrointestinal tract (panenteric CE) was recently introduced as a new diagnostic approach in patients examined for CD, and preliminary results are promising. There are important limitations, involving mainly capsule retention. Furthermore, a diagnostic criterion for CD has never been validated, and lesions detected by CE are not specific for CD. Hence, concern has been raised about a low specificity compared to other diagnostic modalities. Important questions about the optimal bowel preparation, selection of patients for CE and the optimal reading protocol remain to be clarified. The aim of this review is to evaluate the performance of CE for diagnosing CD and assess disease activity in known CD; to compare the diagnostic accuracy of CE to that of cross-sectional imaging; to discuss limitations; and to define the place of CE in the diagnostic algorithm in suspected or known CD.
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Affiliation(s)
- Michael Dam Jensen
- Department of Internal Medicine, Section of Gastroenterology, Lillebaelt Hospital Vejle (Michael Dam Jensen)
| | - Jacob Broder Brodersen
- Department of Internal Medicine, Section of Gastroenterology, Hospital of Southwest Jutland, Esbjerg (Jacob Broder Brodersen)
| | - Jens Kjeldsen
- Department of Medical Gastroenterology, Odense University Hospital, Odense (Jens Kjeldsen), Denmark
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McAlindon ME, Ching HL, Yung D, Sidhu R, Koulaouzidis A. Capsule endoscopy of the small bowel. ANNALS OF TRANSLATIONAL MEDICINE 2016; 4:369. [PMID: 27826572 DOI: 10.21037/atm.2016.09.18] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Capsule endoscopy (CE) is a first line small bowel investigative modality which provides more sensitive mucosal imaging than comparators. It is a non-invasive, non-irradiating tool well tolerated by patients. The risk of retention of the capsule can be minimised by ensuring luminal patency using the Agile patency device. Research continues into how to minimise missed pathology and variability in the identification of pathology or interpretation of images. The consensus is that bowel preparation using laxatives improves visibility and diagnostic yield. Research includes the development of image recognition software, both to eliminate sequentially identical images to improve viewing speed and to select or enhance images likely to represent pathology. However, careful reading by experienced capsule endoscopists remains the benchmark. This should be performed at a speed comfortable to the viewer, probably at a maximum of 15 frames per second. Some prior experience of endoscopy appears to be helpful for novice capsule endoscopists and formal training on a hands-on training course seems to improve pathology recognition, for novices and for those with CE experience.
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Affiliation(s)
- Mark E McAlindon
- Gastroenterology & Liver Unit, Royal Hallamshire Hospital, Sheffield, UK
| | - Hey-Long Ching
- Gastroenterology & Liver Unit, Royal Hallamshire Hospital, Sheffield, UK
| | - Diana Yung
- Endoscopy Unit, The Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Reena Sidhu
- Gastroenterology & Liver Unit, Royal Hallamshire Hospital, Sheffield, UK
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Superiority of the Split-dose PEG Regimen for Small-Bowel Capsule Endoscopy: A Randomized Controlled Trial. J Clin Gastroenterol 2016; 50:e65-70. [PMID: 26646803 DOI: 10.1097/mcg.0000000000000460] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
GOALS We aimed to evaluate the small-bowel cleansing quality, the diagnostic yield (DY), the transit time, and the patients' tolerability, by comparing the 2 different polyethylene glycol (PEG) administration schedules. BACKGROUND The use of bowel purgatives before small-bowel capsule endoscopy (SBCE) is recommended by the ESGE guidelines. Whether this regimen can be further refined by changing the timing of administration is unknown. STUDY Fifty-seven patients were prospectively enrolled and randomized into 2 groups: group 1 (G1, n=29) received 2 L of PEG in the day before SBCE (time between PEG and SBCE=10 h); and group 2 (G2, n=28) received 1 L of PEG in the day before SBCE and 1 L of PEG in the morning before SBCE (time between PEG and SBCE=4 h). The primary outcome measure was small-bowel cleansing quality. Small-bowel cleansing quality was evaluated according to a previously validated grading scale. RESULTS The entire and distal half small-bowel cleansing scores were significantly higher among G2 (median score: 8 vs. 10 points, P=0.012; median score: 6 vs. 8 points, P=0.05, respectively). The DY did not differ significantly between groups. There were no significant differences in transit times between the 2 PEG regimens. Both schedules were well tolerated, showing no differences regarding symptoms while ingesting the preparation or after SBCE ingestion. CONCLUSIONS Split-dose PEG regimen for SBCE preparation improved the small-bowel cleanliness, did not interfere with transit times and was equally well tolerated by the patients. No differences were observed regarding DY. ClinicalTrial.gov registration: NCT02396017.
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The role of small bowel capsule endoscopy and ileocolonoscopy in patients with nonspecific but suggestive symptoms of Crohn's disease. Eur J Gastroenterol Hepatol 2016; 28:882-9. [PMID: 27183502 DOI: 10.1097/meg.0000000000000644] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Ileocolonoscopy (IC) and small bowel capsule endoscopy (SBCE) are essential tools in the investigation of suspected small bowel Crohn's disease (CD). Overutilization of SBCE should be avoided as it leads to unwanted healthcare expenses; thus, it is recommended when IC is normal and CD is still highly suspected. Our aim was to compare the role of SBCE and IC in the investigation of suspected CD irrespective of its location and assess the additional diagnostic benefit of SBCE over IC. METHODS This was a retrospective study of 91 patients with chronic abdominal pain and/or diarrhea. All patients were evaluated with both colonoscopy (with terminal ileum intubation where possible) and SBCE. The severity of inflammation on SBCE was assessed using the Lewis Score. Endoscopic findings were analyzed toward CD diagnosis. RESULTS The sensitivity of IC and SBCE in the diagnosis of either small bowel or colonic CD was 81.82 and 63.64%, whereas the specificity was 77.50 and 92.50%, respectively. Positive and negative predictive value was 33.33 and 96.88% for IC, as well as 53.85 and 94.87% for SBCE. Area under receiver operating characteristic curve was 0.797 for IC and 0.781 for SBCE. IC was superior to SBCE in diagnosing small and large bowel CD. SBCE showed the true extent of CD in one patient missed by IC. It identified lesions suggestive of CD in three patients with normal IC, one of whom was finally diagnosed with CD. CONCLUSION IC should be the initial diagnostic test in patients with nonspecific, but suggestive symptoms of CD. SBCE offers additional information on small bowel mucosa and disease extent.
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Association Between Fecal Calprotectin Levels and Small-bowel Inflammation Score in Capsule Endoscopy: A Multicenter Retrospective Study. Dig Dis Sci 2016; 61:2033-40. [PMID: 27007135 DOI: 10.1007/s10620-016-4104-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 02/28/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND Accurate inflammation reporting in capsule endoscopy (CE) is important for diagnosis and monitoring of treatment of inflammatory bowel disease (IBD). Fecal calprotectin (FC) is a highly specific biomarker of gut inflammation. Lewis score (LS) was developed to standardize quantification of inflammation in small-bowel (SB) CE images. GOALS Multicenter retrospective study aiming to investigate correlation between LS and FC in a large group of patients undergoing CE for suspected or known small-bowel IBD, and to develop a model for prediction of CE results (LS) based on FC levels. STUDY Five academic centers and a district general hospital offering CE in UK, Finland, Sweden, Canada, and Israel. In total, 333 patients were recruited. They had small-bowel CE and FC done within 3 months. RESULTS Overall, correlation between FC and LS was weak (r s: 0.232, P < 0.001). When two clinically significant FC thresholds (100 and 250 μg/g) were examined, the r s between FC and LS was 0.247 (weak) and 0.337 (moderate), respectively (P = 0.307). For clinically significant (LS ≥ 135) or negative (LS < 135) for SB inflammation, ROC curves gave an optimum cutoff point of FC 76 μg/g with sensitivity 0.59 and specificity 0.41. LIMITATIONS Retrospective design. CONCLUSIONS LS appears to show low correlation with FC as well as other serology markers of inflammation. FC does not appear to be a reliable biomarker for significant small-bowel inflammation. Nevertheless, FC level ≥ 76 μg/g may be associated with appreciable visual inflammation on small-bowel CE in patients with negative prior diagnostic workup.
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Rayner-Hartley E, Alsahafi M, Cramer P, Chatur N, Donnellan F. Low volume polyethylene glycol with ascorbic acid, sodium picosulfate-magnesium citrate, and clear liquid diet alone prior to small bowel capsule endoscopy. World J Gastrointest Endosc 2016; 8:433-438. [PMID: 27298715 PMCID: PMC4896905 DOI: 10.4253/wjge.v8.i11.433] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 02/10/2016] [Accepted: 02/24/2016] [Indexed: 02/05/2023] Open
Abstract
AIM: To compare low volume polyethylene glycol with ascorbic acid, sodium picosulfate-magnesium citrate and clear liquid diet alone as bowel preparation prior to small bowel capsule endoscopy (CE).
METHODS: We retrospectively collected all CE studies done from December 2011 to July 2013 at a single institution. CE studies were reviewed only if low volume polyethylene glycol with ascorbic acid, sodium picosulfate-magnesium citrate or clear liquid diet alone used as the bowel preparation. The studies were then reviewed by the CE readers who were blinded to the preparation type. Cleanliness and bubble burden were graded independently within the proximal, middle and distal small bowel using a four-point scale according to the percentage of small bowel mucosa free of debris/bubbles: grade 1 = over 90%, grade 2 = between 90%-75%, grade 3 = between 50%-75%, grade 4 = less than 50%. Data are expressed as mean ± SEM. ANOVA and Fishers exact test were used where appropriate. P values < 0.05 were considered statistically significant.
RESULTS: A of total of 123 CE studies were reviewed. Twenty-six studies were excluded from analysis because of incomplete small bowel examination. In the remaining studies, 39 patients took low volume polyethylene glycol with ascorbic acid, 31 took sodium picosulfate-magnesium citrate and 27 took a clear liquid diet alone after lunch on the day before CE, followed by overnight fasting in all groups. There was no significant difference in small bowel cleanliness (1.98 ± 0.09 vs 1.84 ± 0.08 vs 1.76 ± 0.08) or small bowel transit time (213 ± 13 vs 248 ± 14 ± 225 ± 19 min) for clear liquid diet alone, MoviPrep and Pico-Salax respectively. The bubble burden in the mid small bowel was significantly higher in the MoviPrep group (1.6 ± 0.1 vs 1.9 ± 0.1 vs 1.6 ± 0.1, P < 0.05). However this did not result in a significant difference in diagnosis of pathology.
CONCLUSION: There was no significant difference in small bowel cleanliness or diagnostic yield of small bowel CE between the three preparations regimens used in this study.
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Hale MF, Drew K, Sidhu R, McAlindon ME. Does magnetically assisted capsule endoscopy improve small bowel capsule endoscopy completion rate? A randomised controlled trial. Endosc Int Open 2016; 4:E215-21. [PMID: 26878053 PMCID: PMC4751924 DOI: 10.1055/s-0035-1569846] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND AND STUDY AIMS Delayed gastric emptying is a significant factor in incomplete small bowel capsule examinations. Gastric transit could be hastened by external magnetic control of the capsule. We studied the feasibility of this approach to improve capsule endoscopy completion rates. PATIENTS AND METHODS Prospective, single-center, randomized controlled trial involving 122 patients attending for small bowel capsule endoscopy using MiroCam Navi. Patients were randomized to either the control group (mobilisation for 30 minutes after capsule ingestion, followed by intramuscular metoclopramide 10 mg if the capsule failed to enter the small bowel) or the intervention group (1000 mL of water prior to capsule ingestion, followed by positional change and magnetic steering). Outcome measures were capsule endoscopy completion rate, gastric clarity and distention, relationship of body habitus to capsule endoscopy completion rate (CECR), and patient comfort scores. RESULTS 122 patients were recruited (61 each to the control and intervention groups: mean age 49 years [range 21 - 85], 61 females). There was no significant difference in CECR between the two groups (P = 0.39). Time to first pyloric image was significantly shorter in the intervention group (P = 0.03) but there was no difference in gastric transit times (P = 0.12), suggesting that magnetic control hastens capsular transit to the gastric antrum but does not influence duodenal passage. Gastric clarity and distention were significantly better in the intervention group (P < 0.0001 and P < 0.0001 respectively). CONCLUSIONS Magnetic steering of a small bowel capsule is unable to overcome pyloric contractions to enhance gastric emptying and improve capsule endoscope completion rate. Excellent mucosal visualisation within the gastric cavity suggests this technique could be harnessed for capsule examination of the stomach.
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Affiliation(s)
- Melissa F. Hale
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield,
United Kingdom,Corresponding author Melissa Hale Clinical Research FellowRoom P39, P FloorAcademic Unit of GastroenterologyRoyal Hallamshire HospitalGlossop RoadSheffieldUnited Kingdom+44 114 2712353+44 114 2712692
| | - Kaye Drew
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield,
United Kingdom
| | - Reena Sidhu
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield,
United Kingdom
| | - Mark E. McAlindon
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield,
United Kingdom
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Mitselos IV, Christodoulou DK, Katsanos KH, Tsianos EV. Role of wireless capsule endoscopy in the follow-up of inflammatory bowel disease. World J Gastrointest Endosc 2015; 7:643-651. [PMID: 26078832 PMCID: PMC4461938 DOI: 10.4253/wjge.v7.i6.643] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 01/15/2015] [Accepted: 02/11/2015] [Indexed: 02/05/2023] Open
Abstract
The introduction of wireless capsule endoscopy in 2000 has revolutionized our ability to visualize parts of the small bowel mucosa classically unreached by the conventional endoscope, and since the recent introduction of colon capsule endoscopy, a promising alternative method has been available for the evaluation of large bowel mucosa. The advantages of wireless capsule endoscopy include its non-invasive character and its ability to visualize proximal and distal parts of the intestine, while important disadvantages include the procedure’s inability of tissue sampling and significant incompletion rate. Its greatest limitation is the prohibited use in cases of known or suspected stenosis of the intestinal lumen due to high risk of retention. Wireless capsule endoscopy plays an important role in the early recognition of recurrence, on Crohn’s disease patients who have undergone ileocolonic resection for the treatment of Crohn’s disease complications, and in patients’ management and therapeutic strategy planning, before obvious clinical and laboratory relapse. Although capsule endoscopy cannot replace traditional endoscopy, it offers valuable information on the evaluation of intestinal disease and has a significant impact on disease reclassification of patients with a previous diagnosis of ulcerative colitis or inflammatory bowel disease unclassified/indeterminate colitis. Moreover, it may serve as an effective alternative where colonoscopy is contraindicated and in cases with incomplete colonoscopy studies. The use of patency capsule maximizes safety and is advocated in cases of suspected small or large bowel stenosis.
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Rahman M, Akerman S, DeVito B, Miller L, Akerman M, Sultan K. Comparison of the diagnostic yield and outcomes between standard 8 h capsule endoscopy and the new 12 h capsule endoscopy for investigating small bowel pathology. World J Gastroenterol 2015; 21:5542-5547. [PMID: 25987777 PMCID: PMC4427676 DOI: 10.3748/wjg.v21.i18.5542] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 12/10/2014] [Accepted: 01/08/2015] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the completion rate and diagnostic yield of the PillCam SB2-ex in comparison to the PillCam SB2.
METHODS: Two hundred cases using the 8-h PillCam SB2 were retrospectively compared to 200 cases using the 12 h PillCam SB2-ex at a tertiary academic center. Endoscopically placed capsules were excluded from the study. Demographic information, indications for capsule endoscopy, capsule type, study length, completion of exam, clinically significant findings, timestamp of most distant finding, and significant findings beyond 8 h were recorded.
RESULTS: The 8 and 12 h capsule groups were well matched respectively for both age (70.90 ± 14.19 vs 71.93 ± 13.80, P = 0.46) and gender (45.5% vs 48% male, P = 0.69). The most common indications for the procedure in both groups were anemia and obscure gastrointestinal bleeding. PillCam SB2-ex had a significantly higher completion rate than PillCam SB2 (88% vs 79.5%, P = 0.03). Overall, the diagnostic yield was greater for the 8 h capsule (48.5% for SB2 vs 35% for SB2-ex, P = 0.01). In 4/70 (5.7%) of abnormal SB2-ex exams the clinically significant finding was noted in the small bowel beyond the 8 h mark.
CONCLUSION: In our study, we found the PillCam SB2-ex to have a significantly increased completion rate, though without any improvement in diagnostic yield compared to the PillCam SB2.
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The use of domperidone increases the completion rate of small bowel capsule endoscopy: does this come at the expense of diagnostic yield? J Clin Gastroenterol 2015; 49:395-400. [PMID: 24859717 DOI: 10.1097/mcg.0000000000000147] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND The completion rate (CR) of small bowel capsule endoscopy (SBCE) has been reported at 81.3% to 84.8%. Prokinetic agents are used to increase CR and (theoretically) diagnostic yield (DY). Domperidone has not been widely used in SBCE; unlike metoclopramide, it lacks extrapyramidal adverse effects. OBJECTIVES This was a retrospective study. This study aimed to assess gastric transit time (GTT), small bowel transit time (SBTT), and the CR of SBCE when using domperidone. Furthermore, we aimed to compare the CR of 2 different SBCE systems (MiroCam, PillCam). Consecutive SBCE examinations (January 2008 to October 2012) from a tertiary referral center were analyzed. RESULTS In the aforementioned period, a total of 635 SBCE examinations were performed: 379/635 (59.7%) with PillCamSB and 256 (40.3%) with MiroCam. In 437/635 (68.8%) examinations, liquid domperidone (5 mg) was administered for capsule ingestion, whereas 198 (31.2%) ingested the capsule without any domperidone. Although the 2 groups were comparable, the median age of patients who received domperidone was higher compared with patients who did not receive (58 vs. 48 y, P=0.027). In our cohort, the overall CR of SBCE was 88.9%. The 2 SBCE systems showed equivalent CR (PillCamSB 88.9%, MiroCam 89.1%; P =0.96). The use of liquid domperidone increased CR (91.1% vs. 84.3%; P =0.042). Interestingly, the use of domperidone with PillCamSB was associated with reduced DY for vascular, inflammatory, and polyps/mass-type lesions. This effect was not seen in the MiroCam group. Furthermore, the median GTT and the median SBTT did not differ between the 2 groups (GTT/SBTT with domperidone 26.0'/221.0' and without 29.0'/228.0', respectively; P=0.461/P=0.477). A higher CR was noted when domperidone was used with PillCamSB (93.0% vs. 89.5%, P=0.012) than with MiroCam (84.4% vs. 83.3%, P=0.08). LIMITATIONS The major limitations of this study were the retrospective design of the study and limited numbers on MiroCam with no domperidone. CONCLUSIONS In conclusion, the use of domperidone increases the CR of SBCE with PillCamSB. However, this increase does not translate into higher DY. A smart, tailored approach, which may include domperidone, purgatives, and real-time viewers, may be used in the clinical practice to improve DY until technology delivering capsules with much longer battery time becomes available.
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Pérez-Cuadrado Robles E, Pérez-Cuadrado Martinez E. Response. Gastrointest Endosc 2015; 81:1048. [PMID: 25805478 DOI: 10.1016/j.gie.2014.11.009] [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: 11/02/2014] [Accepted: 11/05/2014] [Indexed: 12/11/2022]
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Giannakou A, Dabos KJ, Koulaouzidis A. Lubiprostone in small-bowel capsule endoscopy: meta-analyzing the data. Gastrointest Endosc 2015; 81:1047-8. [PMID: 25805477 DOI: 10.1016/j.gie.2014.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 10/02/2014] [Indexed: 02/08/2023]
Affiliation(s)
- Andry Giannakou
- Faculty of Economics and Management, Open University of Cyprus, Nicosia, Cyprus
| | - Konstantinos J Dabos
- Centre for Liver and Digestive Disorders, The Royal Infirmary of Edinburgh, Edinburgh, UK
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Hale MF, Davison C, Panter S, Drew K, Sanders DS, Sidhu R, McAlindon ME. Practical aspects of delivering a small bowel endoscopy service in the UK. Frontline Gastroenterol 2015; 6:132-140. [PMID: 28839800 PMCID: PMC5369572 DOI: 10.1136/flgastro-2015-100557] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 01/28/2015] [Accepted: 02/04/2015] [Indexed: 02/04/2023] Open
Abstract
Capsule endoscopy remains at the forefront of small bowel investigation, offering the only non-invasive means of directly imaging the mucosa of the small bowel. Recommended for the investigation of obscure gastrointestinal bleeding, Crohn's disease, coeliac disease, small bowel tumours and hereditary polyposis syndromes, the uptake of small bowel capsule endoscopy has been widespread in the UK. However, despite a wealth of published literature supporting the utility of capsule endoscopy in clinical practice, there are limited data regarding the actual practical aspects of service delivery, training and quality assurance. In this article, we attempt to address this by considering specific factors that contribute to provision of a high-quality capsule service. The role of formal training, accreditation and quality assurance measures is also discussed.
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Affiliation(s)
- Melissa F Hale
- Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - Carolyn Davison
- Department of Gastroenterology, South Tyneside NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Simon Panter
- Department of Gastroenterology, South Tyneside NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Kaye Drew
- Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - David S Sanders
- Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - Reena Sidhu
- Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
| | - Mark E McAlindon
- Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK
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Ou G, Shahidi N, Galorport C, Takach O, Lee T, Enns R. Effect of longer battery life on small bowel capsule endoscopy. World J Gastroenterol 2015; 21:2677-2682. [PMID: 25759536 PMCID: PMC4351218 DOI: 10.3748/wjg.v21.i9.2677] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Revised: 09/25/2014] [Accepted: 10/21/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine if longer battery life improves capsule endoscopy (CE) completion rates.
METHODS: A retrospective study was performed at a tertiary, university-affiliated hospital in Vancouver, Canada. Patients who underwent CE with either PillCam™ SB2 or SB2U between 01/2010 and 12/2013 were considered for inclusion. SB2 and SB2U share identical physical dimensions but differ in their battery lives (8 h vs 12 h). Exclusion criteria included history of gastric or small bowel surgery, endoscopic placement of CE, interrupted view of major landmarks due to technical difficulty or significant amount of debris, and repeat CE using same system. Basic demographics, comorbidities, medications, baseline bowel habits, and previous surgeries were reviewed. Timing of major landmarks in CE were recorded, and used to calculate gastric transit time, small bowel transit time, and total recording time. A complete CE study was defined as visualization of cecum. Transit times and completion rates were compared.
RESULTS: Four hundred and eight patients, including 208 (51.0%) males, were included for analysis. The mean age was 55.5 ± 19.3 years. The most common indication for CE was gastrointestinal bleeding (n = 254, 62.3%), followed by inflammatory bowel disease (n = 86, 21.1%). There was no difference in gastric transit times (group difference 0.90, 95%CI: 0.72-1.13, P = 0.352) and small bowel transit times (group difference 1.07, 95%CI: 0.95-1.19, P = 0.261) between SB2U and SB2, but total recording time was about 14% longer in the SB2U group (95%CI: 10%-18%, P < 0.001) and there was a corresponding trend toward higher completion rate (88.2% vs 93.2%, OR = 1.78, 95%CI 0.88-3.63, P = 0.111). There was no statistically significant difference in the rates of positive findings (OR = 0.98, 95%CI: 0.64-1.51, P = 0.918).
CONCLUSION: Extending the operating time of CE may be a simple method to improve completion rate although it does not affect the rate of positive findings.
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Koulaouzidis A, Iakovidis DK, Karargyris A, Plevris JN. Optimizing lesion detection in small-bowel capsule endoscopy: from present problems to future solutions. Expert Rev Gastroenterol Hepatol 2015; 9:217-35. [PMID: 25169106 DOI: 10.1586/17474124.2014.952281] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review presents issues pertaining to lesion detection in small-bowel capsule endoscopy (SBCE). The use of prokinetics, chromoendoscopy, diagnostic yield indicators, localization issues and the use of 3D reconstruction are presented. The authors also review the current status (and future expectations) in automatic lesion detection software development. Automatic lesion detection and reporting, and development of an accurate lesion localization system are the main software challenges of our time. The 'smart', selective and judicious use (before as well as during SBCE) of prokinetics in combination with other modalities (such as real time and/or purge) improves the completion rate of SBCE. The tracking of the capsule within the body is important for the localization of abnormal findings and planning of further therapeutic interventions. Currently, localization is based on transit time. Recently proposed software and hardware solutions are proposed herein. Moreover, the feasibility of software-based 3D representation (attempt for 3D reconstruction) is examined.
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