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Background We sought to identify predictors of splenic artery embolization (SAE) over observation for hemodynamically stable patients with blunt splenic injury (BSI), by Organ Injury Scale (OIS) grade.Methods This was a multi-institutional retrospective study of all adults (≥18) with BSI who were initially managed non-operatively between 2014 and 2016. Multivariate logistic regression analysis was used to identify predictors of SAE by OIS grade. Covariates included radiographic characteristics (presence/quantity of hemoperitoneum, blush, vascular injury), demographics (age, sex, cause), Injury Severity Score, vital signs, and hemoglobin values. We also examined outcomes of death, length of stay (LOS), intensive care unit (ICU) admission, blood products, and failed non-operative management (NOM).Results Among 422 patients with stable BSI, 93 (22%) had SAE and 329 (78%) were observed. The rate of SAE increased by grade (p |
