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Is CT Angiogram of the Abdominal Vessels Needed following the Diagnosis of Ischemic Colitis? A Multicenter Community

Muhammed Sherid1, Salih Samo2, Samian Sulaiman2

  • 1Division of Gastroenterology, Department of Internal Medicine, CGH Medical Center, 100 East Le Fevre Road, Sterling, IL 61081, USA.

ISRN Gastroenterology
|August 5, 2014
PubMed

Insights

CT angiogram (CTA) is often used for ischemic colitis (IC). This study found CTA did not significantly alter management or prognosis compared to contrast-enhanced CT, despite identifying more stenosis. CTA offers no clear benefit for IC patients.

Area of Science:

  • Vascular Imaging
  • Gastroenterology
  • Radiology

Background:

  • Ischemic colitis (IC) diagnosis often leads to CT angiogram (CTA) imaging.
  • The utility of CTA in IC management and prognosis is not well-established.
  • Comparison with contrast-enhanced CT (CECT) is needed to evaluate CTA's added value.

Purpose of the Study:

  • To compare vascular findings between CTA and CECT in IC patients.
  • To determine if CTA influences IC management decisions.
  • To assess the impact of CTA on IC prognosis.

Main Methods:

  • Retrospective analysis of IC patients from 2007 to 2013.
  • Compared findings from CTA (n=34) and CECT (n=54).
  • Evaluated atherosclerotic changes, stenosis, surgical intervention, and mortality.

Main Results:

  • CTA identified significantly higher stenosis rates (35.3%) than CECT (9.3%) (P=0.0025).
  • No statistical difference in atherosclerotic changes between CTA and CECT groups.
  • Neither surgical intervention rates nor 30-day all-cause mortality differed between groups.

Conclusions:

  • CT angiogram did not provide additional findings that altered the management or prognosis of ischemic colitis.
  • Contrast-enhanced CT may be sufficient for evaluating vascular findings in IC.
  • Further research could explore specific indications for CTA in complex IC cases.

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