scholarly journals Capsule Endoscopy: Pitfalls and Approaches to Overcome

Diagnostics ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1765
Author(s):  
Seung Han Kim ◽  
Hoon Jai Chun
Keyword(s):  
Gastrointestinal Tract ◽  
Capsule Endoscopy ◽  
Passive Movement ◽  
Innovative Technology ◽  
Non Invasive ◽  
Conventional Endoscopy ◽  
Fundamental Limitations ◽  
Wireless Capsule ◽  
Space Restriction ◽  
Entire Gastrointestinal Tract

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.

scholarly journals Examination of Entire Gastrointestinal Tract: A Perspective of Mouth to Anus (M2A) Capsule Endoscopy

Diagnostics ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1367
Author(s):  
Ji-Hyung Nam ◽  
Kwang-Hoon Lee ◽  
Yun-Jeong Lim
Keyword(s):  
Gastrointestinal Tract ◽  
Small Bowel ◽  
Clinical Application ◽  
Capsule Endoscopy ◽  
Diagnostic Tool ◽  
Direct Visualization ◽  
Gi Tract ◽  
Non Invasive ◽  
Technological Advances ◽  
Entire Gastrointestinal Tract

Capsule endoscopy (CE) is the only non-invasive diagnostic tool that enables the direct visualization of the gastrointestinal (GI) tract. Even though CE was initially developed for small-bowel investigation, its clinical application is expanding, and technological advances continue. The final iteration of CE will be a mouth to anus (M2A) capsule that investigates the entire GI tract by the ingestion of a single capsule. This narrative review describes the current developmental status of CE and discusses the possibility of realizing an M2A capsule and what needs to be overcome in the future.

Role of wireless capsule endoscopy in non invasive diagnosis of small bowel diseases: A paediatric experience

2006 ◽  
Vol 38 (10) ◽  
pp. A111-A112
Author(s):  
F. Torroni ◽  
A. Pane ◽  
P. De Angelis ◽  
T. Caldaro ◽  
G. Federici ◽  
...  
Keyword(s):  
Small Bowel ◽  
Capsule Endoscopy ◽  
Wireless Capsule Endoscopy ◽  
Non Invasive ◽  
Bowel Diseases ◽  
Wireless Capsule ◽  
Small Bowel Diseases

scholarly journals Bleeding recognition technique in wireless capsule endoscopy images using fuzzy logic and principal component analysis

2021 ◽  
Vol 11 (3) ◽  
pp. 2688
Author(s):  
A. Al Mamun ◽  
P. P. Em ◽  
T. Ghosh ◽  
M. M. Hossain ◽  
M. G. Hasan ◽  
...  
Keyword(s):  
Principal Component Analysis ◽  
Fuzzy Logic ◽  
Capsule Endoscopy ◽  
Principal Component ◽  
Component Analysis ◽  
Wireless Capsule Endoscopy ◽  
Innovative Technology ◽  
Support Vector ◽  
Bleeding Detection ◽  
Wireless Capsule

Wireless capsule endoscopy is the most innovative technology to perceive the entire gastrointestinal (GI) tract in recent times. It can diagnose inner diseases like bleeding, ulcer, tumor, Crohn's disease, and polyps. in a discretion way. It creates immense pressure and onus for clinicians to perceive a huge number of image frames, which is time-consuming and makes human oversight errors. Therefore a computer-automated system has been introduced for bleeding detection. A unique fuzzy logic technique is proposed to extract the specified bleeding and non-bleeding information from the image data. A particular quadratic support vector machine (QSVM) classifier is employed to classify the obtained statistical features from the bleeding and non-bleeding images incorporating principal component analysis (PCA). After extensive experiments on clinical data, 98% sensitivity, 98.4% accuracy, 98% specificity, 93% precision, 95.4% F1-score, and 99% negative predicted value have been achieved, which outperforms some of the states of art methods in this regard. It is optimistic that the proposed methodology would significantly contribute to bleeding detection techniques and diminish the additional onus of the physicians.

scholarly journals Colon Capsule Endoscopy as a Diagnostic Adjunct in Patients with Symptoms from the Lower Gastrointestinal Tract

Diagnostics ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1671
Author(s):  
Thomas Bjørsum-Meyer ◽  
Gunnar Baatrup ◽  
Anastasios Koulaouzidis
Keyword(s):  
Gastrointestinal Tract ◽  
Capsule Endoscopy ◽  
Wireless Capsule Endoscopy ◽  
Lower Gastrointestinal Tract ◽  
The Core ◽  
Colon Capsule Endoscopy ◽  
Colon Capsule ◽  
Gastrointestinal Examination ◽  
Core Idea ◽  
Wireless Capsule

Prompted by the core idea of wireless capsule endoscopy as a painless gastrointestinal examination, and the easy adoption of small bowel capsule endoscopy, the armamentarium of the capsule-based imaging platforms has grown to include colon capsule devices as well [...]

Wireless Capsule Endoscopy – Uses Beyond GI Bleeding?

Endoscopy ◽  
2006 ◽  
Vol 38 (11) ◽  
Author(s):  
P McConville ◽  
WJ Cash ◽  
RGP Watson ◽  
JS Collins
Keyword(s):  
Capsule Endoscopy ◽  
Wireless Capsule Endoscopy ◽  
Gi Bleeding ◽  
Wireless Capsule

The Role of Wireless Capsule Endoscopy (WCE) in the Detection of Occult Primary Neuroendocrine Tumors

2017 ◽  
Vol 26 (2) ◽  
pp. 151-156
Author(s):  
Manuele Furnari ◽  
Andrea Buda ◽  
Gabriele Delconte ◽  
Davide Citterio ◽  
Theodor Voiosu ◽  
...  
Keyword(s):  
Neuroendocrine Tumor ◽  
Neuroendocrine Tumors ◽  
Capsule Endoscopy ◽  
Primary Tumor ◽  
Diagnostic Yield ◽  
Somatostatin Receptor ◽  
Tertiary Care ◽  
Wireless Capsule Endoscopy ◽  
First Line ◽  
Wireless Capsule

Background & Aims: Neuroendocrine tumors (NETs) are a heterogeneous group of neoplasms with unclear etiology that may show functioning or non-functioning features. Primary tumor localization often requires integrated imaging. The European Neuroendocrine Tumors Society (ENETS) guidelines proposed wireless-capsule endoscopy (WCE) as a possible diagnostic tool for NETs, if intestinal origin is suspected. However, its impact on therapeutic management is debated. We aimed to evaluate the yield of WCE in detecting intestinal primary tumor in patients showing liver NET metastases when first-line investigations are inconclusive.Method: Twenty-four patients with histological diagnosis of metastatic NET from liver biopsy and no evidence of primary lesions at first-line investigations were prospectively studied in an ENETS-certified tertiary care center. Wireless-capsule endoscopy was requested before explorative laparotomy and intra-operative ultrasound. The diagnostic yield of WCE was compared to the surgical exploration.Results: Sixteen subjects underwent surgery; 11/16 had positive WCE identifying 16 bulging lesions. Mini-laparotomy found 13 NETs in 11/16 patients (9 small bowel, 3 pancreas, 1 bile ducts). Agreement between WCE and laparotomy was recorded in 9 patients (Sensitivity=75%; Specificity=37.5%; PPV=55%; NPV=60%). Correspondence assessed per-lesions produced similar results (Sensitivity=70%; Specificity=25%; PPV=44%; NPV=50%). No capsule retentions were recorded.Conclusions: Wireless-capsule endoscopy is not indicated as second-line investigation for patients with gastro-entero-pancreatic NETs. In the setting of a referral center, it might provide additional information when conventional investigations are inconclusive about the primary site.Abbreviations: DBE: double balloon enteroscopy; GEP-NET: gastro-entero-pancreatic neuroendocrine tumor; GI: gastrointestinal; ENETS: European Neuroendocrine Tumor Society; NET: neuroendocrine tumor; SSRS: somatostatin receptor scintigraphy; WCE: wireless capsule endoscopy.

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