Predictors of Nasal High-flow Humidified Oxygen Therapy Failure: A Narrative Review

Journal: Journal of Clinical Medicine Research DOI: 10.32629/jcmr.v6i1.3707

Jiayi Zhou, Fachun Zhou

Department of Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China

Abstract

High-flow nasal cannula oxygen therapy (HFNC) is a widely used non-invasive respiratory support for patients with mild acute hypoxemic respiratory failure (AHRF). Early identification of HFNC failure risk can facilitate timely intervention and avoid poor outcomes. Currently, there is a paucity of reliable predicators to predict HFNC failure. Roca et al. introduced the ROX index as a predictor of intubation risk in pneumonia patients undergoing HFNC. Subsequently, various modified predictors have been proposed to address limitations of the ROX index; however, their predictive performance remained under investigation and had not yet been universally validated. In this study, we investigated and analyzed the development and current application status of known HFNC failure predictors to provide ideas and recommendations on further relevant researches.

Keywords

high-flow nasal cannula oxygen therapy, acute hypoxemic respiratory failure, risk prediction, the ROX index

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