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      Variation in small bowel transit time on capsule endoscopy

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          Abstract

          Background

          Small bowel motility remains inadequately understood because of the complex and various functions as well as its anatomical position. The aimed of the study was to investigate the small bowel transit time (SBTT) of capsule endoscopy (CE) and to analyze the clinical factors affecting SBTT.

          Methods

          SBTT was analyzed in patients who underwent small bowel CE. Factors contributing to SBTT and CE retention were investigated.

          Results

          Among 397 patients enrolled in this study, 336 (84.6%) completed CE. The mean SBTT (± standard deviation) was 282.1±132.2 min. According to the univariate and multivariate analyses, aging and small bowel stenosis extended SBTT. In 38 patients who underwent multiple CE studies, considerable variation in SBTT were observed [mean of standard deviations (SDs) =97.97 min, SD of the SDs =81.99 min]. CE retention was observed in 61 patients (13.3%), and it was statistically associated to small bowel lesion.

          Conclusions

          Aging and small bowel stenosis were associated with longer SBTT. Furthermore, SBTT analyzed by CE should be interpreted carefully considering the intra-individual differences in SBTT.

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          Most cited references25

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          Wireless capsule endoscopy.

          G Iddan, G Meron, A Glukhovsky … (2000)
          Article 0 comments Cited 431 times – based on 0 reviews     Review now
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            Indications and detection, completion, and retention rates of small-bowel capsule endoscopy: a systematic review.

            Zhuan Liao, Rui Gao, Can Xu … (2010)
            Capsule endoscopy (CE) has been widely used in clinical practice. To provide systematically pooled results on the indications and detection, completion, and retention rates of small-bowel CE. A systematic review. We searched the PubMed database (2000-2008) for original articles relevant to small-bowel CE for the evaluation of patients with small-bowel signs and symptoms. Data on the total number of capsule procedures, the distribution of different indications for the procedures, the percentages of procedures with positive detection (detection rate), complete examination (completion rate), or capsule retention (retention rate) were extracted and/or calculated, respectively. In addition, the detection, completion, and retention rates were also extracted and/or calculated in relation to indications such as obscure GI bleeding (OGIB), definite or suspected Crohn's disease (CD), and neoplastic lesions. A total of 227 English-language original articles involving 22,840 procedures were included. OGIB was the most common indication (66.0%), followed by the indication of only clinical symptoms reported (10.6%), and definite or suspected CD (10.4%). The pooled detection rates were 59.4%; 60.5%, 55.3%, and 55.9%, respectively, for overall, OGIB, CD, and neoplastic lesions. Angiodysplasia was the most common reason (50.0%) for OGIB. The pooled completion rate was 83.5%, with the rates being 83.6%, 85.4%, and 84.2%, respectively, for the 3 indications. The pooled retention rates were 1.4%, 1.2%, 2.6%, and 2.1%, respectively, for overall and the 3 indications. Inclusion and exclusion criteria were loosely defined. The pooled detection, completion, and retention rates are acceptable for total procedures. OGIB is the most common indication for small-bowel CE, with a high detection rate and low retention rate. In addition, angiodysplasia is the most common finding in patients with OGIB. A relatively high retention rate is associated with definite or suspected CD and neoplasms.
            Article 0 comments Cited 178 times – based on 0 reviews     Review now
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              Redefining the elderly as aged 75 years and older: Proposal from the Joint Committee of Japan Gerontological Society and the Japan Geriatrics Society.

              Yasuyoshi OUCHI, Hiromi Rakugi, Hidenori Arai … (2017)
              Article 0 comments Cited 146 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Ann Transl Med
                Journal ID (iso-abbrev): Ann Transl Med
                Journal ID (publisher-id): ATM
                Title: Annals of Translational Medicine
                Publisher: AME Publishing Company
                ISSN (Print): 2305-5839
                ISSN (Electronic): 2305-5847
                Publication date (Print and electronic): March 2020
                Publication date (Print): March 2020
                Volume: 8
                Issue: 6
                Electronic Location Identifier: 348
                Affiliations
                [1 ]Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital , Niigata, Japan;
                [2 ]Department of Health Sciences, School of Medicine, University of Yamanashi , Yamanashi, Japan
                Author notes

                Contributions: (I) Conception and design: K Tominaga; (II) Administrative support: A Tsuchiya, S Terai; (III) Provision of study materials or patients: K Tominaga, Y Kawata, J Yokoyama; (IV) Collection and assembly of data: K Tominaga, T Yoshida, Y Kawata, T Mizusawa, J Yokoyama; (V) Data analysis and interpretation: H Sato, H Yokomichi; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.

                Correspondence to: Hiroki Sato. Division of Gastroenterology and Hepatology, Niigata University Medical and Dental Hospital, 757-1, Asahimachidori, Chuo-ku, Niigata City, Niigata 951-8510, Japan. Email: pyloki-sato@ 123456med.niigata-u.ac.jp .
                Article
                Publisher ID: atm-08-06-348
                DOI: 10.21037/atm.2020.02.40
                PMC ID: 7186741
                PubMed ID: 32355792
                SO-VID: 0411959c-5969-4c02-9ad8-fd701d83fa60
                Copyright © 2020 Annals of Translational Medicine. All rights reserved.
                License:

                Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

                History
                Date received : 09 November 2019
                Date accepted : 14 January 2020
                Categories
                Subject: Original Article

                Keywords: aging,capsule endoscopy (ce),retention,small bowel transit time (sbtt),stenosis
                Data availability:
                Keywords: aging, capsule endoscopy (ce), retention, small bowel transit time (sbtt), stenosis

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