Key result
Dynamic PE reassessment after readmission or reoperation improves risk discrimination, identifying a ~3% 30-day PE rate.
Why the study?
Extended thromboprophylaxis is inconsistently used because pulmonary embolism risk varies across operations and may change after discharge.
Does a dynamic PE risk assessment calculator accurately predict 30-day postoperative PE in adult surgical patients?
Cohort (n=4,856,597)
Yes
Does a dynamic PE risk assessment calculator accurately predict 30-day postoperative PE in adult surgical patients?
Effect estimate: AUC 0.892 (95% CI 0.887-0.897)
A dynamic PE risk calculator incorporating unplanned readmission or reoperation significantly improves the identification of high-risk surgical patients who may benefit from extended thromboprophylaxis.
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Highlights a high-risk postoperative subgroup for PE; leaves open whether targeted interventions improve outcomes.
Dallal et al. (2026) conducted a cohort in Postoperative pulmonary embolism (n=4,856,597). Dynamic PE risk reassessment vs. Discharge risk assessment was evaluated on 30-day postoperative PE (AUC 0.892, 95% CI 0.887-0.897). Dynamic PE reassessment after unplanned readmission or reoperation improved risk discrimination (AUC 0.892; 95% CI 0.887-0.897), identifying a high-risk group with a 2.92% 30-day PE rate.
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