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Shiha MG, Nandi N, Oka P, Raju SA, Penny HA, Hopper AD, Elli L, Sanders DS. Narrow-band imaging for optical diagnosis of duodenal villous atrophy in patients with suspected coeliac disease: A systematic review and meta-analysis. Dig Liver Dis 2024; 56:971-977. [PMID: 37666682 DOI: 10.1016/j.dld.2023.08.053] [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: 07/18/2023] [Revised: 08/13/2023] [Accepted: 08/20/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND Narrow-band imaging (NBI) is a readily accessible imaging technique that enhances mucosal visualisation, allowing for a more accurate assessment of duodenal villi. However, its role in the diagnosis of coeliac disease (CD) in clinical practice remains limited. METHODS We systematically searched several databases in June 2023 for studies evaluating the diagnostic accuracy of NBI for detecting duodenal villous atrophy (VA) in patients with suspected CD. We calculated the summary sensitivity, specificity, and likelihood ratios using a bivariate random-effects model. The study followed PRISMA guidelines and was registered at PROSPERO (CRD42023428266). RESULTS A total of 6 studies with 540 participants were included in the meta-analysis. The summary sensitivity of NBI to detect VA was 93% (95% CI, 81% - 98%), and the summary specificity was 95% (95% CI, 92% - 98%). The area under the summary receiver operating characteristic curve was 0.98 (95% CI, 96 - 99). The positive and negative predictive values of NBI were 94% (95% CI, 92% - 97%) and 92% (95% CI, 90% - 94%), respectively. CONCLUSION NBI is an accurate non-invasive tool for identifying and excluding duodenal VA in patients with suspected CD. Further studies using a validated classification are needed to determine the optimal role of NBI in the diagnostic algorithm for CD.
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Affiliation(s)
- Mohamed G Shiha
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK.
| | - Nicoletta Nandi
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Department of Pathophysiology and Organ Transplantation, University of Milan, Milan, Italy
| | - Priya Oka
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK
| | - Suneil A Raju
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK
| | - Hugo A Penny
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK
| | - Andrew D Hopper
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK
| | - Luca Elli
- Center for Prevention and Diagnosis of Celiac Disease, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - David S Sanders
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK; Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK
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Calado J, Verdelho Machado M. Celiac Disease Revisited. GE PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2022; 29:111-124. [PMID: 35497669 PMCID: PMC8995660 DOI: 10.1159/000514716] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/08/2021] [Indexed: 08/30/2023]
Abstract
Celiac disease (CD) is a systemic disease triggered by gluten ingestion in genetically predisposed individuals. It manifests primarily as an autoimmune enteropathy associated with specific circulating autoantibodies and a human leukocyte antigen haplotype (HLA-DQ2 or HLA-DQ8). It afflicts roughly 1% of the population, though the majority of patients remain undiagnosed. Diarrhea and malabsorption are classic manifestations of CD; however, both children and adults can be paucisymptomatic and present extraintestinal manifestations such as anemia, osteoporosis, and abnormal liver tests. CD screening is not recommended for the general population, and it should be focused on high-risk groups. CD diagnosis is challenging and relies on serological tests, duodenal histology, and genetic testing. Particularly difficult presentations to manage are seronegative patients, seropositive patients without villus atrophy, and patients who have started a gluten-free diet before the diagnostic workup. The only proven treatment is a lifelong gluten-free diet. We present an in-depth review on the physiopathology and management of CD, with a particular emphasis on diagnostic challenges.
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Affiliation(s)
- João Calado
- Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Mariana Verdelho Machado
- Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
- Hospital de Vila Franca de Xira, Vila Franca de Xira, Portugal
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Gulati S, Emmanuel A, Ong M, Pavlidis P, Patel M, El-Menabawey T, Vackova Z, Dubois P, Murino A, Martinek J, Sethi A, Neumann H, Haji A, Hayee B. Near-focus narrow-band imaging classification of villous atrophy in suspected celiac disease: development and international validation. Gastrointest Endosc 2021; 94:1071-1081. [PMID: 34228981 DOI: 10.1016/j.gie.2021.06.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS There are no agreed-on endoscopic signs for the diagnosis of villous atrophy (VA) in celiac disease (CD), necessitating biopsy sampling for diagnosis. Here we evaluated the role of near-focus narrow-band imaging (NF-NBI) for the assessment of villous architecture in suspected CD with the development and further validation of a novel NF-NBI classification. METHODS Patients with a clinical indication for duodenal biopsy sampling were prospectively recruited. Six paired NF white-light endoscopy (NF-WLE) and NF-NBI images with matched duodenal biopsy sampling including the bulb were obtained from each patient. Histopathology grading used the Marsh-Oberhuber classification. A modified Delphi process was performed on 498 images and video recordings by 3 endoscopists to define NF-NBI classifiers, resulting in a 3-descriptor classification: villous shape, vascularity, and crypt phenotype. Thirteen blinded endoscopists (5 expert, 8 nonexpert) then undertook a short training module on the proposed classification and evaluated paired NF-WLE-NF-NBI images. RESULTS One hundred consecutive patients were enrolled (97 completed the study; 66 women; mean age, 51.2 ± 17.3 years). Thirteen endoscopists evaluated 50 paired NF-WLE and NF-NBI images each (24 biopsy-proven VAs). Interobserver agreement among all validators for the diagnosis of villous morphology using the NF-NBI classification was substantial (κ = .71) and moderate (κ = .46) with NF-WLE. Substantial agreement was observed between all 3 NF-NBI classification descriptors and histology (weighted κ = 0.72-.75) compared with NF-WLE to histology (κ = .34). A higher degree of confidence using NF-NBI was observed when assessing the duodenal bulb. CONCLUSIONS We developed and validated a novel NF-NBI classification to reliably diagnose VA in suspected CD. There was utility for expert and nonexpert endoscopists alike, using readily available equipment and requiring minimal training. (Clinical trial registration number: NCT04349904.).
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Affiliation(s)
- Shraddha Gulati
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
| | - Andrew Emmanuel
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
| | - Mark Ong
- Department of Histopathology, King's College Hospital, London, UK
| | | | - Mehul Patel
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
| | | | - Zuzana Vackova
- Department of Endoscopy, Institution of Clinical and Experimental Medicine, Prague, Czech Republic
| | - Patrick Dubois
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
| | - Alberto Murino
- Department of Gastroenterology, Royal Free Hospital, London, UK
| | - Jan Martinek
- Department of Endoscopy, Institution of Clinical and Experimental Medicine, Prague, Czech Republic
| | - Amrita Sethi
- Department of Endoscopy, Columbia University Medical Center-NYPH, New York, New York, USA
| | - Helmut Neumann
- Department of Endoscopy, University Medical Center, Mainz, Germany
| | - Amyn Haji
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
| | - Bu'Hussain Hayee
- King's Institute of Therapeutic Endoscopy, King's College Hospital, London, UK
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Sinha SK, Berry N, Muktesh G, Siddappa P, Basha J, Prasad K, Appasani S, Ashat M, Vaiphei K, Singh K, Kochhar R. Utility of narrow band imaging in predicting histology in celiac disease. Indian J Gastroenterol 2020; 39:370-376. [PMID: 32705418 DOI: 10.1007/s12664-020-01030-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 03/24/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND Narrow band imaging (NBI) with magnification better visualizes the duodenal microsurface and mucosal vascularity. NBI delineates villous atrophy better than conventional white light endoscopy. AIMS This study was conducted to evaluate the diagnostic accuracy of narrow band imaging with magnification (NBI-ME) in celiac disease (CD). METHODS In this prospective study, consecutive patients of suspected CD and controls were subjected to tissue transglutaminase antibody test and endoscopic evaluation initially with white light followed by NBI-ME, and biopsies were taken from duodenum. Duodenal villous patterns on NBI were interpreted as normal, blunted distorted, and absent. Severity of villous atrophy was reported according to the modified Marsh criteria. RESULTS One hundred and twenty-two patients (mean age of 27.53 ± 13.37 years and a male to female ratio of 1:1.26) and 40 controls were studied. The sensitivity and specificity of NBI-ME in predicting villous atrophy were found to be 95.54% and 90%, respectively. The specificity and negative predictive value of NBI-ME in predicting villous atrophy amongst controls was 100% and 97.5%, respectively. Abnormal findings (blunted and absent villous patterns) combined with elevated transglutaminase antibody (> 5-fold) were found to have high accuracy in predicting villous atrophy. CONCLUSION NBI with magnification has high sensitivity and specificity in predicting villous atrophy in patients with celiac disease.
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Affiliation(s)
- Saroj Kant Sinha
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Neha Berry
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Gaurav Muktesh
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Pradeep Siddappa
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Jahangeer Basha
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Kaushal Prasad
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Sreekanth Appasani
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Munish Ashat
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Kim Vaiphei
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Kartar Singh
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India
| | - Rakesh Kochhar
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh 160 012, India.
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Histological and magnified endoscopic evaluation of villous atrophy in gastrointestinal graft-versus-host disease. Ann Hematol 2020; 99:1121-1128. [PMID: 32130472 DOI: 10.1007/s00277-020-03966-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 02/15/2020] [Indexed: 10/24/2022]
Abstract
AIM To measure histological villous atrophy and to clarify the diagnostic accuracy of endoscopic villous atrophy in gastrointestinal graft-versus-host disease. METHODS Data for patients who underwent upper and/or lower endoscopic examinations after hematopoietic stem cell transplantation were retrospectively collected. In study 1, group A included 56 patients in whom GI-GVHD was histologically confirmed and group B included 60 patients in whom GI-GVHD was not histologically confirmed. Group C included 59 patients before HSCT. The lengths of villi and crypts in the duodenum and terminal ileum were histologically measured. In study 2, the diagnostic accuracies of villous atrophy of the duodenum and of the terminal ileum using magnifying endoscopy were evaluated. RESULTS In study 1, the lengths of villi and the villi/crypt (V/C) ratios of the duodenum and terminal ileum in group A were significantly smaller than those in the other groups (p < 0.05). V/C ratio was moderately correlated with clinical severity, histological grades, and endoscopic grades in the terminal ileum. In study 2, the diagnostic accuracies of magnified images for villous atrophy were 83.8% in the duodenum and 94.9% in the terminal ileum. CONCLUSION Magnifying endoscopy enables evaluation of villous atrophy and is useful for optical biopsy of GVHD.
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Uchima H, Yao K. Endoscopic microanatomy of the normal gastrointestinal mucosa with narrow band technology and magnification. GASTROENTEROLOGIA Y HEPATOLOGIA 2018; 42:117-126. [PMID: 30471720 DOI: 10.1016/j.gastrohep.2018.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/16/2018] [Accepted: 10/01/2018] [Indexed: 01/03/2023]
Abstract
The development of high-definition endoscopes with optical zoom, along with the use of the digital chromoendoscopy and staining, has given endoscopists the possibility to study the microanatomy of the gastrointestinal mucosa in vivo. The recognition of the changes in the microstructure of the surface and microvascular architecture such as those that occur in neoplastic lesions allow us to characterize these lesions in order to decide on the best course of clinical action. The current greater availability of endoscopes with optical zoom in western countries has allowed the use of this technology in routine clinical practice to spread. In this article we review the basic concepts of magnifying endoscopy and the normal endoscopic microanatomy of the oesophageal, gastric, duodenal, ileal and colonic mucosa.
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Affiliation(s)
- Hugo Uchima
- Department of Endoscopy, Hospital Universitari Doctor Josep Trueta, Girona, Spain; Department of Endoscopy, Teknon Medical Center, Barcelona, Spain.
| | - Kenshi Yao
- Department of Endoscopy, Fukuoka University Chikushi Hospital, Fukuoka, Japan
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Raju SA, White WL, Lau MS, Mooney PD, Rees MA, Burden M, Ciacci C, Sanders DS. A comparison study between Magniview and high definition white light endoscopy in detecting villous atrophy and coeliac disease: A single centre pilot study. Dig Liver Dis 2018; 50:920-924. [PMID: 29807874 DOI: 10.1016/j.dld.2018.03.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 03/28/2018] [Accepted: 03/30/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Coeliac disease may be missed at gastroscopy. We aimed to assess the sensitivity of Pentax optical zoom technology endoscopes in detecting duodenal villous atrophy and the ease of image interpretation by non-coeliac specialists. METHOD All patients attending for a gastroscopy were assessed for endoscopic villous atrophy in part one and two of the duodenum with high definition white light endoscopy and magnification endoscopy. Endoscopic findings of the duodenum were compared to histology as the reference standard. A short training video of varying degrees of villous atrophy seen by magnification endoscopy was used to train individuals. They were then assessed for the ability to differentiate between normal duodenum and villous atrophy. RESULTS Two hundred and fifty patients were prospectively recruited (145 females, 58%; age range 16-84, median age 50.5). Ninety-six patients had villous atrophy on histology (38.4%) 154 were controls. Magnification endoscopy had a higher sensitivity in detecting villous atrophy compared to high definition white light endoscopy (86.4% versus 78.4%, p = .0005). 9/10 individuals undertaking magnification endoscopy training correctly identified all cases of villous atrophy. CONCLUSION Magnification endoscopy has superior diagnostic sensitivity in detecting villous atrophy compared to high definition white light endoscopy and the potential to be easily adopted by all endoscopists.
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Affiliation(s)
- Suneil A Raju
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom.
| | - William L White
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Michelle S Lau
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Peter D Mooney
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Michael A Rees
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Mitchell Burden
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Carolina Ciacci
- Unit of Gastronterology, AOU San Giovannidi Dio e Ruggi D'Aragona, Department of Medicine and Surgery, Scuola Medica Salernitana, University of Salerno, Italy
| | - David S Sanders
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, United Kingdom
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Chetcuti Zammit S, Sanders DS, Sidhu R. Capsule endoscopy for patients with coeliac disease. Expert Rev Gastroenterol Hepatol 2018; 12:779-790. [PMID: 29886766 DOI: 10.1080/17474124.2018.1487289] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Coeliac disease is an autoimmune mediated condition in response to gluten. A combination of innate and adaptive immune responses results in villous shortening in the small bowel (SB) that can be morphologically picked up on capsule endoscopy. It is the only imaging modality that can provide mucosal views of the entire SB, while histology is generally limited to the proximal SB. Radiological modalities are not designed to pick up changes in villous morphology. Areas covered: In this review, we provide a comprehensive analysis on the justified use of small bowel capsule endoscopy (SBCE) in the assessment of patients with coeliac disease; compare SBCE to histology, serology, and symptomatology; and provide an overview on automated quantitative analysis for the detection of coeliac disease. We also provide insight into future work on SBCE in relation to coeliac disease. Expert commentary: SBCE has opened up new avenues for the diagnosis and monitoring of patients with coeliac disease. However, larger studies with new and established coeliac disease patients and with greater emphasis on morphological features on SBCE are required to better define the role of SBCE in the setting of coeliac disease.
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Affiliation(s)
| | - David S Sanders
- a Gastroenterology Department , Sheffield Teaching Hospitals , Sheffield , UK
| | - Reena Sidhu
- a Gastroenterology Department , Sheffield Teaching Hospitals , Sheffield , UK
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Abstract
PURPOSE OF REVIEW The diagnostic approach in celiac disease is continuously evolving as our understanding of its pathophysiology improves. This review aims to provide a summary of contemporary work that supports optimization of the diagnosis of this common yet underdiagnosed condition. RECENT FINDINGS The recently updated National Institute of Clinical Excellence and European Society for Pediatric Gastroenterology, Hepatology, and Nutrition guidelines and the contentious biopsy-free diagnostic approach will be discussed. We will review the evidence advocating optimal biopsy techniques such as single bite biopsy and controversial bulb biopsy sampling to increase diagnostic yield. Recent data providing phenotypical characterization and clinical outcomes of celiac subtypes such as potential celiac disease, seronegative celiac disease and ultrashort celiac disease will be covered. We will present emerging evidence on novel case finding strategies with point of care tests. Promising novel markers for celiac disease such as serum intestinal fatty acid binding protein and in-vitro gluten challenge will be included. SUMMARY Recent work has demonstrated the clinical significance of the celiac disease subtypes, emphasizing the importance of careful diagnosis and recognition. There is a move toward a less invasive and perhaps more cost-effective diagnostic approach in celiac disease, but duodenal biopsy remains the gold standard at present for all adults and the majority of pediatric patients.
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Dutta AK, Chacko A. Emerging role of narrow band imaging in duodenum. World J Gastrointest Endosc 2015; 7:1216-1221. [PMID: 26566428 PMCID: PMC4639743 DOI: 10.4253/wjge.v7.i16.1216] [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: 04/26/2015] [Revised: 08/20/2015] [Accepted: 09/30/2015] [Indexed: 02/05/2023] Open
Abstract
Endoscopy using magnification narrow band imaging (mNBI) allows detailed assessment of mucosal surface and vascular pattern. This may help in better identification and prediction of the nature of the lesion. The role of this technology in duodenum is still evolving. Studies have shown that mNBI has high accuracy in predicting villous atrophy in the duodenum. Limited data suggests that this technique can provide additional information on duodenal polyps, nodules and ampullary tumour which can help guide their management. In this paper we describe the technique for duodenal assessment using NBI and review the existing literature evaluating its role in diagnosis of various duodenal pathologies.
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