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February 2, 2026Open Access

Visible Bleeding is the Strongest Predictor of a Positive CT Mesenteric Angiogram in the Setting of Lower Gastrointestinal Bleeding

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Authors

AMAli MohtashamiJHJonathan HewRoyal North Shore HospitalKKKrishna KotechaThe University of Sydney

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Implication

A retrospective study examines predictors of positive CT angiograms in lower gastrointestinal bleeding, indicating effective clinical decisions.

Key Points

  • This research evaluates factors that predict a positive computed tomography angiography (CTA) result in lower gastrointestinal bleeding (LGIB) patients.
  • Analyzed data from 526 patients with LGIB who underwent CTA
  • Used univariate and multivariate analysis to identify predictive clinical factors
  • Examined clinical outcomes related to positive CTA results
  • Visible bleeding on admission is the strongest predictor of a positive CTA result
  • 80% of patients with a positive CTA required further invasive management
  • Timing of CTA after LGIB episode was shorter for those with a positive result

Cite This Study

Mohtashami et al. (2026) studied this question.

synapsesocial.com/papers/6980fe35c1c9540dea8101e4https://doi.org/10.5281/zenodo.18441306
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Optimizing indications and diagnostic performance of computed tomography angiography in acute gastrointestinal bleeding: a large cohort study2026 · 1 citations
  2. 2Outcome of Negative Computed Tomographic Angiography in the Management of Gastrointestinal Bleeding at a Tertiary Centre: A Cross-sectional Study2024
  3. 3The Role of CT-Angiography in the Acute Gastrointestinal Bleeding2024
  4. 4Computed Tomographic Angiography and Yield for Gastrointestinal Bleeding in the Emergency Department2025 · 4 citations
  5. 5Prognostic Value of CT Angiography Findings in Patient with Suspected Active Bleeding2025