Cited by 27Abdominal vascular conditions and treatmentsAppendicitis Diagnosis and ManagementGastrointestinal disorders and treatments

Acute bowel ischemia: analysis of diagnostic error by overlooked findings at MDCT angiography

Firetto, Maria Cristina, Lemos, Alessandro A., Marini, Aldo, Avesani, Ettore Contessini, Biondetti, Pietro R.·2013·Emergency Radiology

Abstract

To retrospectively evaluate the frequency and type of findings that were missed in the original reports of multi-detector CT angiography (MDCTA) in patients with suspected acute bowel ischemia. From January 2007 to March 2011, a series of 35 patients who underwent MDCTA of the abdomen and pelvis and had surgery were included. The reports of the initial CT were retrospectively compared with the discharge diagnosis and surgical reports. Discrepant or missing findings were re-evaluated and divided into relevant or not relevant regarding the diagnosis. In 23 of the 35 patients (66 %), all findings were correctly diagnosed in the initial MDCTA report. In the remaining 12 of the 35 patients (34 %), lesions that were not reported were present at surgery. In 10 of the 12 (83 %) patients, the overlooked findings were relevant and subtle: gas in the portal vein (n = 3), gas in the bowel wall (n = 3), gas in the portal vein and bowel wall (n = 2), thrombotic occlusion of the superior mesenteric artery (n = 1), and thrombotic occlusion of the inferior mesenteric artery (n = 1). In 2 of the 12 (17 %) patients in whom the MDCTA-overlooked findings were classified as non-relevant, bowel ischemia was found at surgery. With retrospective image interpretation, 83 % of the patients with occlusive mesenteric ischemia at surgery were correctly identified, whereas the remaining 17 % with non-occlusive mesenteric ischemia at surgery showed non-relevant findings at MDCTA. About 33 % of relevant findings of bowel ischemia were overlooked by the initial MDCTA interpretation, most were subtle findings. However, secondary reading revealed most of these findings and can serve to improve diagnostic performance.

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Crossref · 10.1007/s10140-012-1078-4

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Authors
Firetto, M. C., Lemos, A. A., Marini, A., Avesani, E. C., & Biondetti, P. R.
Affiliations
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
  • University of Milan (IT)
Corresponding author
Lemos, Alessandro A.
Venue
Emergency Radiology
Published
2012-10-03
Volume
20
Issue
2
Pages
139-147
ISSN
  • 1070-3004 (ISSN-L)
  • 1438-1435
OpenAlex
W2150753432
Cited by
27
References
25
Citations by year
2026: 2 · 2025: 1 · 2023: 1 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 5 · 2017: 3 · 2015: 3 · 2014: 6
FWCI
2.94
Type
journal article
Language
en
Open access
closed
Locations
  • Emergency Radiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Abdominal vascular conditions and treatments
  • Health Sciences › Medicine › Emergency Medicine › Appendicitis Diagnosis and Management
  • Health Sciences › Medicine › Surgery › Gastrointestinal disorders and treatments
Keywords
mesenteric ischemia, diagnostic errors, missed findings, multidetector CT angiography, portal venous gas, superior mesenteric artery thrombosis, intraoperative findings
MeSH terms
Abdomen, Acute, Acute Disease, Adult, Aged, Angiography, Contrast Media, Diagnostic Errors, Female, Humans, Intestines, Ischemia, Male, Middle Aged, Retrospective Studies, Tomography, X-Ray Computed

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