Cohort Studymoderate evidence
Outcomes following impedance threshold device use during out-of-hospital cardiac arrest.
Resuscitation·October 8, 2026·PMID 42849561
Why it mattersThe divergent association—improved prehospital ROSC but worse survival to discharge—raises concern that ITD may improve early hemodynamics without translating to meaningful neurologic recovery, and could potentially harm later outcomes.
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