{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T12:52:12Z","timestamp":1760014332019},"reference-count":34,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2007,4,24]],"date-time":"2007-04-24T00:00:00Z","timestamp":1177372800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2007,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate if different patient characteristics influence performance of fecal tagging (a new MR colonography (MRC) technique to label stool to avoid bowel cleansing) and, consecutively, MR image quality.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A total of 333 patients (mean age = 61 years) underwent MRC with fecal tagging. Four segments of the large bowel (ascending, transverse, descending, and sigmoid colon) were assessed as for the presence of nontagged stool particles, which can impede an assessment of the colonic wall. Ratings were correlated with patients' characteristics including patient age (&lt;55 vs. \u226555 years), body mass index (BMI) (&lt;25 vs. \u226525), gender, and acceptance levels for fecal tagging. Statistical analysis was performed using a Mann\u2010Whitney U\u2010test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 1332 colonic segments were evaluated. Among them, 327 segments (25%) did not contain any visible stool particles. Considerably reduced image quality was found in 61 segments (5%). Best image quality was found in the sigmoid colon (mean value = 1.9), while image quality of the ascending colon turned out to be worst (mean value = 2.6). Fecal tagging effectiveness showed a reverse correlation with patient age. However, all other characteristics did not have a statistically significant influence on fecal tagging outcome.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>MRC in conjunction with barium\u2010based fecal tagging led to diagnostic image quality in 95% of all colonic segments. Since tagging results were significantly decreased in patients \u226555 years, tagging protocols should to be modified in this group, i.e., by increasing the time interval of tagging administration. J. Magn. Reson. Imaging 2007;25:1007\u20131012. \u00a9 2007 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.20907","type":"journal-article","created":{"date-parts":[[2007,4,24]],"date-time":"2007-04-24T16:20:14Z","timestamp":1177431614000},"page":"1007-1012","source":"Crossref","is-referenced-by-count":5,"title":["MR colonography with fecal tagging: Do individual patient characteristics influence image quality?"],"prefix":"10.1002","volume":"25","author":[{"given":"Sonja","family":"Kinner","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christiane A.","family":"Kuehle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jost","family":"Langhorst","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susanne C.","family":"Ladd","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Nuefer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joerg","family":"Barkhausen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas C.","family":"Lauenstein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,4,24]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1136\/gut.52.12.1738"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00384-004-0587-3"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2342032001"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-2005-870309"},{"key":"e_1_2_5_6_2","first-page":"337","article-title":"Flexible sigmoidoscopy or colonoscopy for colorectal screening: a randomized trial of performance and acceptability","volume":"19","author":"Elwood JM","year":"1995","journal-title":"Cancer Detect Prev"},{"key":"e_1_2_5_7_2","unstructured":"KuehleCAAW GoehdeSC NueferM BarkhausenJ LauensteinTC.MR colonography without bowel cleansing: diagnostic accuracy and patient acceptance. 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