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Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition) ›› 2023, Vol. 09 ›› Issue (01): 19-24. doi: 10.3877/cma.j.issn.2096-1537.2023.01.004

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Reverse triggering: the easily overlooked patient-ventilator asynchrony

Hongliang Li1, Jianxin Zhou2,()   

  1. 1. Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
    2. Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; Department of Critical Care Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
  • Received:2022-09-22 Online:2023-02-28 Published:2023-04-07
  • Contact: Jianxin Zhou

Abstract:

Among many types of patient-ventilator asynchrony, reverse triggering derived from respiratory entrainment is a unique existence. It's challenging to identify reverse triggering in clinical scenario. What's more, if the ventilator is triggered successfully, it is also called breath stacking. In that case, the increased tidal volume or transpulmonary pressure will lead to ventilator-induced lung injury and influence function of the diaphragm. We have reviewed the epidemiology, pathophysiology mechanisms, phenotypes, clinical significance, and management strategies of reverse triggering, aiming to improve clinical physicians' awareness and facilitate fundamental and clinical research.

Key words: Patient-ventilator asynchrony, Reverse triggering, Breath stacking, Mechanical ventilation, Respiratory entrainment

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