当前位置： SCI文献检索 > EUROPEAN JOURNAL OF RADIOLOGY期刊下所有文献 > Multidetector helical CT in the evaluation of acute small bowel obstruction: comparison of non-enhanced (no oral, rectal or IV contrast) and IV enhanced CT.

Multidetector helical CT in the evaluation of acute small bowel obstruction: comparison of non-enhanced (no oral, rectal or IV contrast) and IV enhanced CT.

Abstract：

PURPOSE:To compare accuracy of non-enhanced CT (NECT) (no oral or IV contrast) and enhanced CT (ECT) (IV enhanced only) to diagnose small bowel obstruction and evaluate reviewer's experience impact. MATERIALS AND METHODS:Ninety-nine adult patients underwent 105 NECT and ECT (6 patients had 2 examinations) on a four-detector CT. An abdominal radiologist, an abdominal imaging fellow, a second-year radiology resident retrospectively reviewed NECTs and ECTs separately and independently blinded to outcome. Discrepancy of diameter of proximal and distal small bowel+/-a transition was considered indication of mechanical bowel obstruction. Reference standard was surgery in 26 and chart review in 79. RESULTS:Mechanical obstruction was present in 56% (59/105). The average sensitivity, specificity, negative and positive predictive and accuracy values for NECT were 88.1% (CI: 80-96%), 77% (CI: 65-89%), 83.0% (CI: 72-95%), 83% (CI: 74-92%), and 83% (CI: 76-90%) with no significant difference between three reviewers. The corresponding numbers for ECT were 87.6% (CI: 79-96%), 75% (CI: 63-88%), 82.6.0% (CI: 71-94%), 82.1% (CI: 73-92%), and 82% (CI: 75-90%) (p>0.5). Area under curve (AUC) of ROC curves of three reviewers did not show significant statistical difference (p>0.5). CONCLUSIONS:NECT and ECT have comparable accuracy to diagnose mechanical small bowel obstruction and can be interpreted by reviewers with different levels of expertise.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Atri M,McGregor C,McInnes M,Power N,Rahnavardi K,Law C,Kiss A

doi

10.1016/j.ejrad.2008.04.011

subject

Has Abstract

pub_date

2009-07-01 00:00:00

pages

135-40

issue

1

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(08)00223-4

journal_volume

71

pub_type

杂志文章

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