{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T16:04:52Z","timestamp":1780934692573,"version":"3.54.1"},"reference-count":26,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2017,9,5]],"date-time":"2017-09-05T00:00:00Z","timestamp":1504569600000},"content-version":"vor","delay-in-days":4,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100007371","name":"Svend Andersen Fonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007371","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Colorectal Disease"],"published-print":{"date-parts":[[2017,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>We aimed to determine colorectal length with the 3D\u2010Transit system by describing a \u2018centreline\u2019 of capsule movement and comparing it with known anatomy, as determined by magnetic resonance imaging (<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>). Further, we aimed to test the day\u2010to\u2010day variation of colorectal length assessed with the system.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>The 3D\u2010Transit system consists of electromagnetic capsules that can be tracked as they traverse the gastrointestinal tract. Twenty\u2010five healthy subjects were examined with both 3D\u2010Transit and <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>. Another 21 healthy subjects were examined with 3D\u2010Transit on two consecutive days.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Computation of colorectal length from capsule passage was possible for 60 of the 67 3D\u2010Transit recordings. The length of the colorectum measured with <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> and 3D\u2010Transit was 95 (75\u2013153) cm and 99 (77\u2013147) cm, respectively (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.15). The coefficient of variation (<jats:styled-content style=\"fixed-case\">CV<\/jats:styled-content>) between <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> and 3D\u2010Transit was 7.8%. Apart from the caecum\/ascending colon being 26% (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.002) shorter on <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>, there were no other differences in total or segmental colorectal lengths between methods (all <jats:italic>P\u00a0<\/jats:italic>&gt;<jats:italic>\u00a0<\/jats:italic>0.05). The length of the colorectum measured with 3D\u2010Transit on two consecutive days was 102 (73\u2013119) cm and 103 (75\u2013123) cm (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.67). The <jats:styled-content style=\"fixed-case\">CV<\/jats:styled-content> between days was 7.3%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The 3D\u2010Transit system allows accurate and reliable determination of colorectal length compared with <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>\u2010derived colorectal length and between days. Antegrade or retrograde capsule movement relative to this centreline, as well as the length and speed of movements, may be determined by future studies to allow better classification and treatment in patients with dysmotility.<\/jats:p><\/jats:sec>","DOI":"10.1111\/codi.13810","type":"journal-article","created":{"date-parts":[[2017,7,8]],"date-time":"2017-07-08T15:02:41Z","timestamp":1499526161000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Assessment of colorectal length using the electromagnetic capsule tracking system: a comparative validation study in healthy subjects"],"prefix":"10.1111","volume":"19","author":[{"given":"E. B.","family":"Mark","sequence":"first","affiliation":[{"name":"Mech\u2010Sense Department of Gastroenterology and Hepatology Clinical Institute Aalborg University Hospital Aalborg Denmark"},{"name":"Mech\u2010Sense Department of Radiology Aalborg University Hospital Aalborg Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. L.","family":"Poulsen","sequence":"additional","affiliation":[{"name":"Mech\u2010Sense Department of Gastroenterology and Hepatology Clinical Institute Aalborg University Hospital Aalborg Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. M.","family":"Haase","sequence":"additional","affiliation":[{"name":"Neurogastroenterology Unit Department of Hepatology and Gastroenterology Aarhus University Hospital Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. B.","family":"Fr\u00f8kj\u00e6r","sequence":"additional","affiliation":[{"name":"Mech\u2010Sense Department of Radiology Aalborg University Hospital Aalborg Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V.","family":"Schlageter","sequence":"additional","affiliation":[{"name":"Motilis Medica SA Lausanne Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. M.","family":"Scott","sequence":"additional","affiliation":[{"name":"Neurogastroenterology Group (GI Physiology Unit) Queen Mary University London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Krogh","sequence":"additional","affiliation":[{"name":"Neurogastroenterology Unit Department of Hepatology and Gastroenterology Aarhus University Hospital Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. M.","family":"Drewes","sequence":"additional","affiliation":[{"name":"Mech\u2010Sense Department of Gastroenterology and Hepatology Clinical Institute Aalborg University Hospital Aalborg Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,9,5]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0016-5085(87)90837-7"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1053\/j.semnuclmed.2011.10.006"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cgh.2009.01.017"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2982.2010.01517.x"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1177\/2050640613510161"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.coph.2011.10.002"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/nmo.12502"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2982.2003.00434.x"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2982.2007.01060.x"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/nmo.12461"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.2147\/CEG.S91964"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/nmo.12713"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.5056\/jnm15035"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.5056\/jnm15175"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2982.2009.01298.x"},{"key":"e_1_2_10_17_1","first-page":"83","article-title":"Correlation of bowel symptoms with colonic transit, length, and faecal load in functional faecal retention","volume":"56","author":"Raahave D","year":"2009","journal-title":"Dan Med Bull"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpedsurg.2012.01.007"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00261-015-0475-z"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/nmo.12243"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-012088394-3\/50042-8"},{"key":"e_1_2_10_22_1","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.09.2365"},{"key":"e_1_2_10_23_1","doi-asserted-by":"publisher","DOI":"10.1136\/gut.14.12.990"},{"key":"e_1_2_10_24_1","doi-asserted-by":"crossref","first-page":"274","DOI":"10.1016\/S0016-5085(19)35873-1","article-title":"Measurement of the human intestinal length in\u00a0vivo and some causes of variation","volume":"31","author":"Ahrens EH","year":"1956","journal-title":"Gastroenterology"},{"key":"e_1_2_10_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-002-0057-y"},{"key":"e_1_2_10_26_1","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2007.02.047"},{"key":"e_1_2_10_27_1","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.2010.191445"}],"container-title":["Colorectal Disease"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fcodi.13810","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/codi.13810","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T19:38:58Z","timestamp":1696361938000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/codi.13810"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,9]]},"references-count":26,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2017,9]]}},"alternative-id":["10.1111\/codi.13810"],"URL":"https:\/\/doi.org\/10.1111\/codi.13810","archive":["Portico"],"relation":{},"ISSN":["1462-8910","1463-1318"],"issn-type":[{"value":"1462-8910","type":"print"},{"value":"1463-1318","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,9]]},"assertion":[{"value":"2017-03-20","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2017-05-24","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2017-09-05","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}