AI Article Synopsis
- - Noninvasive ventilation (NIV) is commonly used to treat acute respiratory failure, but about half of patients may still need further intervention like intubation.
- - A study analyzed 104 patients, comparing successful NIV treatments with those that failed, focusing on factors such as initial respiratory rate and PaO/FiO ratio, which significantly differed between groups.
- - The findings suggest that identifying specific signals at the beginning of treatment can help predict NIV failure, potentially leading to quicker decisions for intubation when necessary.
Article Abstract
Background: Noninvasive ventilation (NIV) is an established first-line treatment of acute respiratory failure both in emergency departments (ED) and intensive care unit (ICU) settings. It is however not always successful.
Materials And Methods: Prospective, observational study was done among patients above 18 years presenting with acute respiratory failure initiated on NIV. Patients were placed in one of two groups covering successful NIV treatment and NIV failure. Two groups were compared on four variables: initial respiratory rate (RR), initial high-sensitivity C-reactive protein (hs-CRP), PaO/FiO ratio (p/f ratio), and heart rate, acidosis, consciousness, oxygenation, and respiratory rate (HACOR) score at the end of 1 hour of initiation of NIV.
Results: A total of 104 patients fulfilling the inclusion criteria were included in the study, of which 55 (52.88%) were exclusively treated with NIV (NIV success group), and 49 (47.11%) required endotracheal intubation and mechanical ventilation (NIV failure group). Noninvasive ventilation failure group had a higher mean initial RR compared with NIV success group (40.65 ± 3.88 vs 31.98 ± 3.15, <0.001). Mean initial PaO/FiO ratio was also significantly lower in the NIV failure group (184.57 ± 50.33 vs 277.29 ± 34.70, <0.001). Odds ratio for successful NIV treatment with a high initial RR was 0.503 (95% confidence interval (CI), 0.390-0.649) and with a higher initial PaO/FiO ratio was 1.053 (95% CI: 1.032-1.071 and with a HACOR score of >5 at the end of 1 hour of initiation of NIV was highly associated with NIV failure ( <0.001). A high initial level of hs-CRP was 0.949 (95% CI: 0.927-0.970).
Conclusion: Noninvasive ventilation failure could be predicted with information available at presentation in ED, and unnecessary delay in endotracheal intubation could possibly be prevented.
How To Cite This Article: Mathen PG, Kumar KPG, Mohan N, Sreekrishnan TP, Nair SB, Krishnan AK, . Prediction of Noninvasive Ventilation Failure in a Mixed Population Visiting the Emergency Department in a Tertiary Care Center in India. Indian J Crit Care Med 2022;26(10):1115-1119.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9983674 | PMC |
| http://dx.doi.org/10.5005/jp-journals-10071-24338 | DOI Listing |
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