ArticleEmergency radiology2026
CT-defined orbital wall burden and early visual dysfunction in acute orbital trauma: A retrospective cohort study.
Article in Emergency radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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- Erratum issued
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Abstract
purposeTo evaluate whether computed tomography (CT)-defined orbital wall burden (OWB) is associated with early visual dysfunction in patients with acute orbital trauma and to assess the clinical relevance of CT-derived structural and focal imaging findings for early risk stratification.
methodsThis retrospective cohort study included consecutive patients with CT-confirmed orbital trauma at a tertiary emergency referral center between January 1 and December 31, 2023. Visual dysfunction was defined as worst visual acuity (VA_worst) ≤ 0.8 during index hospitalization. OWB was categorized as 0, 1, or ≥ 2 fractured orbital walls. Additional imaging variables included intracranial involvement and retrobulbar hematoma. Univariable analyses, trend testing, and multivariable logistic regression were performed.
resultsA total of 328 patients were included, and visual dysfunction occurred in 88 (26.8%). Visual dysfunction increased across OWB categories (24.9% for OWB = 0, 38.1% for OWB = 1, and 60.0% for OWB ≥ 2; trend p < 0.001). In multivariable analysis, increasing age (adjusted OR 1.03, 95% CI 1.02-1.04; p < 0.001) and retrobulbar hematoma (adjusted OR 11.34, 95% CI 1.29-100.02; p = 0.029) were associated with visual dysfunction, although the latter estimate was imprecise due to limited event numbers. OWB and intracranial involvement were not independently associated with the outcome after adjustment. Model discrimination was moderate (AUC = 0.69).
conclusionIn acute orbital trauma, CT-derived structural findings demonstrate a graded association with early visual dysfunction at the crude level but do not independently predict outcome after adjustment. Instead, OWB appears to function as a marker of cumulative injury burden, whereas retrobulbar hematoma represents a focal, clinically critical imaging finding associated with visual compromise. These results support a radiology-oriented framework in which CT contributes to early risk stratification by differentiating overall injury severity from time-sensitive vision-threatening lesions.
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