ArticleAnnals of surgical treatment and research2026
Rethinking the time-to-laparotomy indicator of regional trauma center quality metrics in South Korea: a multicenter retrospective study with propensity score matching.
Article in Annals of surgical treatment and research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: Timely surgical intervention is crucial in trauma care, particularly in patients with hypotensive abdominal injuries. In South Korea, the regional trauma center system has adopted a quality metric mandating initiation of emergency surgery within 1 hour of emergency department (ED) arrival for such patients. We evaluated the impact of ED-to-surgery time on clinical outcomes in hypotensive abdominal trauma and assessed the appropriateness of the 1-hour threshold. Methods: This multicenter retrospective study included 425 trauma patients who underwent emergency abdominal surgery at 2 regional trauma centers between 2019 and 2022. Patients with an initial or lowest recorded systolic blood pressure (SBP) <90 mmHg were included. The primary outcome was in-hospital mortality; secondary outcomes included complications, intensive care unit stay, and total hospital stay. Patients were categorized into early (≤1 hour) and delayed (>1 hour) surgery groups. Statistical analyses included logistic regression, propensity score matching (PSM), receiver operating characteristic curve, and complication analysis by 30-minute intervals. Results: We found that 243 patients (57.2%) underwent surgery within 1 hour. In-hospital mortality did not differ significantly between early and delayed groups. Age, Glasgow Coma Scale, lowest SBP, 4-hour RBC transfusion volume, and abdominal Abbreviated Injury Scale were independent mortality predictors. PSM confirmed no mortality difference by surgical timing. However, complication rates increased with surgical delays. Conclusion: While surgical delay was not associated with mortality, it was linked to increased complications. Future trauma quality metrics should incorporate refined patient stratification and evaluate the entire process aimed at restoring physiological instability, rather than relying on a strict 1-hour threshold.
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