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Intrastomal 3D ultrasound: an inter- and intra-observer evaluation
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Colorectal Surgery.
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2013 (English)In: International Journal of Colorectal Disease, ISSN 0179-1958, E-ISSN 1432-1262, Vol. 28, no 1, 43-47 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The aim of this study was to determine intra- and interobserver reliability in 3D intrastomal ultrasound imaging of parastomal hernia and protrusion. METHOD: A total of 40 patients were investigated. Two or three physicians evaluated the images twice, 1 month apart. RESULTS: Inter-observer agreement was 72 % with a kappa value 0.59. For the last 10 patients there was an agreement of 80 % with a kappa value of 0.70. Intraobserver agreement was 80 % for one observer and 95 % for the other. The learning curve levelled out at around 30 patients. CONCLUSION: Considering the learning curve of 30 patients, 3D intrastomal ultrasound is a reliable investigation method. 3D intrastomal ultrasonography has the potential to be the investigation of choice to differentiate between a bulge, a hernia, or a protrusion.

Place, publisher, year, edition, pages
2013. Vol. 28, no 1, 43-47 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-189807DOI: 10.1007/s00384-012-1526-3ISI: 000313442400006PubMedID: 22772711OAI: oai:DiVA.org:uu-189807DiVA: diva2:582327
Available from: 2013-01-04 Created: 2013-01-04 Last updated: 2013-02-21Bibliographically approved

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