{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T14:50:51Z","timestamp":1773413451123,"version":"3.50.1"},"reference-count":17,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2015,3,30]],"date-time":"2015-03-30T00:00:00Z","timestamp":1427673600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurogastroenterology Motil"],"published-print":{"date-parts":[[2015,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Multichannel intraluminal impedance combined with pH (<jats:styled-content style=\"fixed-case\">MII<\/jats:styled-content>\u2010pH) is the gold standard test for diagnosing gastro\u2010esophageal reflux disease (<jats:styled-content style=\"fixed-case\">GERD<\/jats:styled-content>). It provides an opportunity to study acid and non\u2010acid <jats:styled-content style=\"fixed-case\">GOR<\/jats:styled-content> and temporal association between symptoms and reflux. Accurate catheter placement is essential to prevent erroneous recording of reflux events. The aims of our study were to assess the accuracy of our devised method in predicting the catheter length for <jats:styled-content style=\"fixed-case\">MII<\/jats:styled-content>\u2010pH in children (Great Ormond Street Hospital (GOSH) Table) and to compare the results with Strobel and Monreau methods.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective review of all records of infants and children who underwent MII\u2010pH studies between January to October 2014. Desired catheter position was calculated using Strobel, Monreau and GOSH formulas and compared to X ray position.<\/jats:p><\/jats:sec><jats:sec><jats:title>Key Results<\/jats:title><jats:p>One hundred and forty\u2010four children were included; mean age was 5.1 (\u00b14.5) years, 73 males and 71 females. In the whole group, the correlation between desired catheter position and <jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> Table was 0.95, for Strobel was 0.84, and Monreau was 0.85. In the first group (age &lt;3\u00a0years), the correlation was: <jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> Table 0.91, Strobel 0.56, and Monreau 0.6; in the second group (3\u201310\u00a0years): <jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> Table 0.78, Strobel 0.82, and Monreau 0.82; the third group (&gt;10\u00a0years): <jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> 0.81, Strobel 0.43, and Monreau 0.43.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions &amp; Inferences<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> Table is an accurate method to estimate the insertion length of <jats:styled-content style=\"fixed-case\">MII<\/jats:styled-content>\u2010pH catheters from nares to a point of approximately two vertebral bodies above the diaphragm in children. Although radiography is required to confirm final catheter position, using <jats:styled-content style=\"fixed-case\">GOSH<\/jats:styled-content> Table will reduce the need for repeated catheter manipulation after initial insertion and will reduce the use of a mathematically complicated formulae<\/jats:p><\/jats:sec>","DOI":"10.1111\/nmo.12547","type":"journal-article","created":{"date-parts":[[2015,4,2]],"date-time":"2015-04-02T19:30:33Z","timestamp":1428003033000},"page":"728-733","source":"Crossref","is-referenced-by-count":21,"title":["A new method to estimate catheter length for esophageal multichannel intraluminal impedance monitoring in children"],"prefix":"10.1111","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8869-9466","authenticated-orcid":false,"given":"M.","family":"Mutalib","sequence":"first","affiliation":[{"name":"Department of Paediatric Gastroenterology Great Ormond Street Hospital NHS Foundation Trust London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Sintusek","sequence":"additional","affiliation":[{"name":"Department of Paediatric Gastroenterology Great Ormond Street Hospital NHS Foundation Trust London UK"},{"name":"Chulalongkorn University Bangkok Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Punpanich","sequence":"additional","affiliation":[{"name":"Phramongkutklao Hospital Bangkok Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Thapar","sequence":"additional","affiliation":[{"name":"Department of Paediatric Gastroenterology Great Ormond Street Hospital NHS Foundation Trust London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"Lindley","sequence":"additional","affiliation":[{"name":"Department of Paediatric Gastroenterology Great Ormond Street Hospital NHS Foundation Trust London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,3,30]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005176-200205000-00009"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005176-200203000-00006"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11894-000-0070-4"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/MPG.0b013e3181b7f563"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/MCG.0b013e31815f8e17"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.3748\/wjg.v6.i3.311"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(79)80361-3"},{"key":"e_1_2_10_9_1","first-page":"1463","article-title":"Esophageal 24\u2010h pH monitoring: is prior manometry necessary for correct positioning of the electrode?","volume":"85","author":"Klauser AG","year":"1990","journal-title":"Am J Gastroenterol"},{"key":"e_1_2_10_10_1","first-page":"1424","article-title":"Value of subject height in predicting lower esophageal sphincter location","volume":"145","author":"Staiano A","year":"1991","journal-title":"Am J Dis Child"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/MPG.0b013e3182952e50"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/000348940511400802"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1136\/thx.31.3.284"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/MPG.0b013e3182592b65"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1572-0241.2006.00936.x"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dld.2007.11.006"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1136\/gutjnl-2011-301145"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(99)70179-4"}],"container-title":["Neurogastroenterology &amp; 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