{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T13:46:12Z","timestamp":1777383972375,"version":"3.51.4"},"reference-count":21,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,3,15]],"date-time":"2013-03-15T00:00:00Z","timestamp":1363305600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vet Radiology Ultrasound"],"published-print":{"date-parts":[[2013,5]]},"abstract":"<jats:p>The ratio between maximal small intestinal (SI) diameter and the height of the body of the fifth lumbar vertebra (L5) in radiographs has been reported as a diagnostic test in dogs with suspected intestinal obstruction. In order to assess the effect of the SI\/L5 ratio on the accuracy of radiographic diagnosis of intestinal obstruction, lateral abdominal radiographs of 37 dogs with small intestinal obstruction and 48 nonobstructed dogs were mixed and examined independently by six observers who were unaware of the final diagnosis and who represented a range of experience. Observers first examined radiographs subjectively and stated the likelihood of obstruction (definitely not, probably not, equivocal, probably, definitely). Observers subsequently reexamined the radiographs, determined the SI\/L5 ratio, and again stated the likelihood of obstruction. The most frequent cause of obstruction was foreign body (29\/37, 78%). Dogs with SI obstruction had a significantly larger median SI\/L5 ratio than nonobstructed dogs (<jats:italic>P<\/jats:italic> = 0.0002). Using an SI\/L5 ratio of 1.7 for diagnosis of intestinal obstruction, sensitivity and specificity were 66%. Use of the SI\/L5 ratio was not associated with increased accuracy of diagnosis for any observer, regardless of experience, hence this test may have no diagnostic impact.<\/jats:p>","DOI":"10.1111\/vru.12032","type":"journal-article","created":{"date-parts":[[2013,3,15]],"date-time":"2013-03-15T15:38:13Z","timestamp":1363361893000},"page":"207-211","source":"Crossref","is-referenced-by-count":28,"title":["DOES MEASUREMENT OF SMALL INTESTINAL DIAMETER INCREASE DIAGNOSTIC ACCURACY OF RADIOGRAPHY IN DOGS WITH SUSPECTED INTESTINAL OBSTRUCTION?"],"prefix":"10.1111","volume":"54","author":[{"given":"Ta\u00edzha C.","family":"Ciasca","sequence":"first","affiliation":[{"name":"From the Royal Veterinary College University of London  Hawkshead Lane, North Mymms, Hatfield Hertfordshire AL9 7TA UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Frederic H.","family":"David","sequence":"additional","affiliation":[{"name":"From the Royal Veterinary College University of London  Hawkshead Lane, North Mymms, Hatfield Hertfordshire AL9 7TA UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher R.","family":"Lamb","sequence":"additional","affiliation":[{"name":"From the Royal Veterinary College University of London  Hawkshead Lane, North Mymms, Hatfield Hertfordshire AL9 7TA UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,3,15]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"183","volume-title":"Disease mechanisms in small animal surgery","author":"Ellison GW","year":"2010"},{"key":"e_1_2_6_3_1","first-page":"295","volume-title":"Radiographic diagnosis of abdominal disorders in the dog and cat","author":"O'Brien TR","year":"1978"},{"key":"e_1_2_6_4_1","first-page":"44","article-title":"The role of radiography in the diagnosis of intestinal obstruction in dogs and cats","volume":"1","author":"Kleine LJ","year":"1979","journal-title":"Compend Contin Educ Pract Vet"},{"key":"e_1_2_6_5_1","first-page":"56","article-title":"Thread and sewing needles as gastrointestinal foreign bodies in the cat: a review of 64 cases","volume":"184","author":"Felts JF","year":"1984","journal-title":"J Am Vet Med Assoc"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.1986.tb02157.x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.1973.tb06896.x"},{"key":"e_1_2_6_8_1","first-page":"789","volume-title":"Textbook of veterinary diagnostic radiology","author":"Riedesel EA","year":"2012"},{"key":"e_1_2_6_9_1","first-page":"43","article-title":"Radiographic appearance of canine parvovirus enteritis","volume":"180","author":"Farrow CS","year":"1982","journal-title":"J Am Vet Med Assoc"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1740-8261.2001.tb00912.x"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.1998.tb03698.x"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1136\/vr.146.24.687"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.175.3.1750603"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1740-8261.2006.00160.x"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1740-8261.2010.01791.x"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.2003.222.1234"},{"key":"e_1_2_6_17_1","unstructured":"FinckC D'AnjouMA AlexanderK BeauchampG.Radiographic diagnosis of mechanical obstruction in dogs based on relative small intestinal luminal diameters.Proceedings of the ACVR Annual Scientific Meeting Las Vegas NV October 18\u201321 2012;28."},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.2754\/avb200473030365"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.06.0817"},{"key":"e_1_2_6_20_1","first-page":"35","article-title":"Sonographic diagnosis of intestinal obstruction in the dog","volume":"46","author":"Manczur F","year":"1998","journal-title":"Acta Vet Hung"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.2011.01104.x"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.2009.00783.x"}],"container-title":["Veterinary Radiology &amp; 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