Insufficient balloon size limits the interpretation of REBOARREST - Takeaways - MDSpire
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Limitations in Balloon Dimensions Affect the Interpretation of REBOA Findings

  • By

  • Habib Frost

  • Anette Kristiansen

  • August 12, 2026

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  • 1

    The REBOARREST trial investigated REBOA in out-of-hospital cardiac arrest but has significant limitations affecting its findings.

  • 2

    The 20 mm balloon used in the trial resulted in a 49–61% underinflation of the aortic lumen area for the median participant age of 68.

  • 3

    Delayed treatment was noted, with a median time of 47 minutes from arrest to balloon inflation, which may impact outcomes.

  • 4

    The REBOA Medical 20 mm balloon lacks CE mark certification under the EU Medical Device Regulation for cardiac arrest treatment.

  • 5

    Exclusion of 21 patients post-randomization may bias the study results and affect the integrity of safety and performance assessments.

Original Source(s)

Insufficient balloon size limits the interpretation of REBOARREST

  • by Habib Frost, Anette Kristiansen

  • August 12, 2026

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