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American Heart Association

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Final ID: 148

"Is Air Transport Truly Faster? A Comparative Study of Stroke Transfer Times"

Abstract Body: Introduction:
Efficient transfer of acute ischemic stroke (AIS) patients is critical for optimizing clinical outcomes, as time-sensitive interventions can significantly reduce morbidity and mortality. Stroke transfers are commonly conducted using either ground ambulances or air ambulances (helicopters). While air transport is often perceived as faster, there are concerns that many patients arrive later than expected, impacting treatment outcomes. This study aims to evaluate and compare the performance of ground versus air transfers in terms of actual transfer times and the discrepancies between projected and actual arrival times.

Methods:
This retrospective analysis was conducted at our comprehensive stroke center at the University of Kansas Health System (TUKHS) over a five-year period (2019-2023). Data were sourced from our transfer center registry and the Get With The Guidelines® (GWTG) Stroke registry, focusing on AIS patient transfers from referring hospitals within a 2.5-hour driving radius that had utilized both ground and air methods at least three times over the last 5 years. Data acquisition was approved by the local Institutional Review Board (IRB). Actual transfer times and the discrepancies between projected and actual times were calculated and analyzed.

Results:
456 transfer entries were analyzed, comprising 252 air transfers and 204 ground transfers from 16 hospitals. Ground transfers were found to be faster overall and had a significantly shorter discrepancy between projected and actual arrival times. Specifically, the average actual transfer time for air was 131 ± 59 minutes, compared to 125 ± 67 minutes for ground (p = 0.039). The discrepancy in transfer times was notably higher for air at 62 ± 58 minutes versus 24 ± 59 minutes for ground (p < 0.0001), with a scaled transfer discrepancy of 87% ± 80% for air compared to 26% ± 56% for ground (p < 0.0001).

Conclusion:
While air transport is generally expected to expedite stroke transfers, this retrospective analysis demonstrates that ground transfers are not only faster in actual time but also exhibit a lower discrepancy between projected and actual transfer times. These findings suggest that air transport may not always provide the anticipated time advantage and that ground transfers could be a more reliable option within certain parameters. Further studies are warranted to analyze potential confounding factors for delays, optimize transfer protocols, and improve patient outcomes.
  • Maali, Laith  ( The University of Kansas Health System , Kansas City , Kansas , United States )
  • Langston, Sarah  ( The University of Kansas Health System , Kansas City , Kansas , United States )
  • Choudhry, Mughees  ( University of Kansas Health System , Leavenworth , Kansas , United States )
  • Houghton, Margaret  ( University of Kansas Health System , Leavenworth , Kansas , United States )
  • Sowers, Sabriya  ( University of Kansas Health System , Leavenworth , Kansas , United States )
  • Author Disclosures:
    Laith Maali: DO NOT have relevant financial relationships | Sarah Langston: DO NOT have relevant financial relationships | Mughees Choudhry: DO NOT have relevant financial relationships | Margaret Houghton: DO NOT have relevant financial relationships | Sabriya Sowers: DO NOT have relevant financial relationships
Meeting Info:
Session Info:

Cerebrovascular Systems of Care Oral Abstracts II

Friday, 02/07/2025 , 09:15AM - 10:45AM

Oral Abstract Session

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