Introduction and connotation of transpulmonary vascular mechanical energy

doi:10.3877/cma.j.issn.2096-1537.2020.04.002

Abstract

Abstract:

Mechanical ventilation is an important treatment method of acute respiratory distress syndrome fromvarious causes. However, mechanical ventilation may not only cause ventilator induced lung injury (VILI), but also cause ventilator-induced lung vascular injury (VILVI). VILVI is related to volutrauma, barotrauma, atelectrauma, and biotrauma during mechanical ventilation and is aggravated by circulation factors such as inappropriate blood volume, cardiac output and vascular tensions. Therefore, we propose the concept of mechanical energy across pulmonary vessels for the first time by combining the mechanical stress and hemodynamic stress that lead to pulmonary vascular injury, so as to provide an important basis and a feasible method to avoid VILVI.

Key words: Mechanical power, Ventilator-induced lung vascular injury, Circulatory protection ventilation strategy

Rui Zhang, Yun Long. Introduction and connotation of transpulmonary vascular mechanical energy[J]. Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition), 2020, 06(04): 361-364.

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[1]	Yi Chi, Yun Long, Huaiwu He. Mechanical power: a novel idea on the assessment of ventilator-induced lung injury [J]. Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition), 2019, 05(04): 307-310.
[2]	Yi Chi, Huaiwu He, Siyi Yuan, Zhanqi Zhao, Yun Long. Application of regional mechanical power monitored by electrical impedance tomography during positive end-expiratory pressure titration in acute respiratory distress syndrome patients [J]. Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition), 2019, 05(02): 115-119.

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