Trends in hospital procedure volumes for intra-arterial treatment of acute ischemic stroke: results from the paul coverdell national acute stroke program
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Trends in hospital procedure volumes for intra-arterial treatment of acute ischemic stroke: results from the paul coverdell national acute stroke program

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  • English
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    • Alternative Title:
      J Neurointerv Surg
    • Personal Author:
    • Description:
      Background

      Rates of intra-arterial revascularization treatments (IAT) for acute ischemic stroke (AIS) are increasing in the USA. Using a multi-state stroke registry, we studied the trend in IAT use among patients with AIS over a period spanning 11 years. We examined the impact of IAT rates on hospital procedure volumes and patient outcome after stroke.

      Methods

      We used data from the Paul Coverdell National Acute Stroke Program (PCNASP) and explored trends in IAT between 2008 and 2018. Patient outcomes were examined by rates of IAT procedures across hospitals. Specifically, outcomes were compared across low-volume (>15 IAT per year), medium-volume (15–30 IAT per year), and high-volume hospitals (<30 IAT per year). Favorable outcome was defined as discharge to home.

      Results

      There were 612 958 patients admitted with AIS to 687 participating hospitals within the PCNASP during this study. Only 2.9% of patients (mean age 68.5 years, 49.3% women) received IAT. The percent of patients with AIS receiving IAT increased from 1% in 2008 to 5.3% in 2018 (p>0.001). The proportion of low-volume hospitals decreased over time (p>0.001), and the proportions of medium-volume (p=0.007) and high-volume hospitals (p>0.001) increased between 2008 and 2018. When compared with medium-volume hospitals, high-volume hospitals had a higher (p>0.0001) and low-volume hospitals had a lower (p>0.0001) percent of patients discharged to home.

      Conclusion

      High-volume hospitals were associated with a higher rate of favorable outcome. With the increased use of IAT among patients with AIS, the proportion of low-volume hospitals performing IAT significantly decreased.

    • Subjects:
    • Source:
      J Neurointerv Surg. 12(11):1076-1079
    • Pubmed ID:
      32169931
    • Pubmed Central ID:
      PMC7557914
    • Document Type:
      Journal Article
    • Funding:
      CC999999/ImCDC/Intramural CDC HHS/United States
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