Variations in utilization and clinical outcomes for endoscopic sphenopalatine artery ligation and endovascular arterial embolization in a single multi-hospital network
2021
Abstract Purpose Endoscopic sphenopalatine artery ligation (ESPAL) and endovascular arterial embolization (EAE) are increasingly common treatment options for patients with refractory epistaxis. The objective of this study was to compare the utilization pattern and clinical outcomes between these interventions within our single multi-hospital network. Materials and methods A retrospective study of all patients undergoing ESPAL and/or EAE within any of the hospitals in a single healthcare network between 2008 and 2017 was conducted. We compared differences in procedure utilization with various hospital characteristics. Secondarily, we evaluated clinical outcomes and costs associated with each procedure. Results Forty-three ESPAL and 33 EAE procedures were performed across 7 hospitals, with the majority of procedures being performed at teaching institutions (65% and 91%, p = .013). The majority of both interventions was performed in larger hospitals and EAE patients were more likely to undergo inter-hospital transfer than ESPAL patients (48.5% and 16.3%, p = .02). Success rates for ESPAL and EAE were comparable (95% and 93%); however, the median direct cost of treatment for EAE was significantly higher than the cost for ESPAL ($12,984.89 and $5002.02, p Conclusions The majority of both interventions was performed at teaching hospitals and larger hospitals. Transfers occurring prior to EAE may have been due to the limited availability of interventional radiology services, and likely contributed to the increased cost of treatment. ESPAL is a known cost-effective management strategy and should be considered early in treatment algorithms of refractory epistaxis.
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