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A novel non‐invasive index of oxygenation and prediction of outcomes for patients on high‐flow nasal cannula: a pilot study
Author(s) -
Carroll Robert P.,
Balasubramaniam Ravind,
Sawyer Michael,
Tran Khoa
Publication year - 2022
Publication title -
internal medicine journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 1444-0903
DOI - 10.1111/imj.15924
Subject(s) - medicine , nasal cannula , respiratory failure , cannula , oxygenation , oxygenation index , prospective cohort study , anesthesia , respiratory system , intensive care medicine , surgery
Predicting success of a therapy in acute respiratory failure is clinically important. The FOx index (high‐flow rate × FiO 2 )/SpO 2 was retrospectively applied to 70 patients who required high‐flow nasal prongs for hypoxaemic and hypercapnic respiratory failure. The FOx index could predict between success and failure of high‐flow nasal prongs at 6 hours, using non‐invasive markers. This adds to the clinician's toolbox in managing respiratory failure and represents important proof of concept for a prospective study.