No-Flow Duration and Outcomes After Cardiogenic Out-of-Hospital Cardiac Arrest in Older Adults - Takeaways - MDSpire
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Impact of No-Flow Duration on Outcomes in Older Adults Experiencing Cardiogenic Out-of-Hospital Cardiac Arrest

  • By

  • Yuki Kishihara

  • Masahiro Kashiura

  • Hideto Yasuda

  • Shunsuke Amagasa

  • Hiroyuki Tamura

  • Chisato Nakajima

  • Yuki Shiraoka

  • Masashi Okubo

  • Takashi Moriya

  • September 1, 2026

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  • 1

    The percentage of adults aged 65 years or older has nearly doubled since the 1960s, increasing the prevalence of out-of-hospital cardiac arrest (OHCA) among this population.

  • 2

    No-flow time, the interval between collapse and effective CPR, is inversely related to favorable outcomes in older adults experiencing cardiogenic OHCA.

  • 3

    Research indicates that favorable neurologic outcomes are uncommon when no-flow time approaches 15 to 20 minutes, but older adults may have shorter thresholds.

  • 4

    The study utilized data from the All-Japan Utstein Registry, focusing on older adults aged 65 and above who experienced witnessed cardiogenic OHCA.

  • 5

    The analysis aimed to identify no-flow duration thresholds that could inform clinical decision-making during resuscitation attempts in older adults.

Original Source(s)

No-Flow Duration and Outcomes After Cardiogenic Out-of-Hospital Cardiac Arrest in Older Adults

  • by Yuki Kishihara, Masahiro Kashiura, Hideto Yasuda, Shunsuke Amagasa, Hiroyuki Tamura, Chisato Nakajima, Yuki Shiraoka, Masashi Okubo, Takashi Moriya

  • September 1, 2026

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