A recent scoping review published in the journal Cureus sheds light on the potential impact of high-flow nasal oxygen therapy (HFNOT) on swallowing function and aspiration risk in both patients and healthy adults. The review, which analyzed existing research on the topic, aims to provide a clearer understanding of this increasingly common respiratory support method and its potential side effects.
HFNOT delivers heated and humidified oxygen at high flow rates through nasal cannulae. While it’s proven effective in managing respiratory distress,concerns have been raised about its potential to interfere with swallowing. The review’s authors sought to investigate these concerns by examining studies that explored the relationship between HFNOT and swallowing function.
“The use of HFNOT has increased substantially in recent years, especially in the management of acute respiratory failure,” explained the lead author. “Though, there is limited evidence regarding its impact on swallowing. This review aimed to address this knowledge gap and provide clinicians with a better understanding of the potential risks and benefits of HFNOT in relation to swallowing.”
The review’s findings suggest that HFNOT may indeed have an impact on swallowing function, although the exact nature and extent of this impact remain unclear. Some studies indicated a potential increase in aspiration risk, while others found no significant changes in swallowing mechanics. The authors emphasize the need for further research to fully elucidate the relationship between HFNOT and swallowing.
This scoping review highlights the importance of considering swallowing function when implementing HFNOT, particularly in patients who are already at risk for aspiration. Clinicians should carefully assess individual patient needs and monitor swallowing function closely during HFNOT therapy.
The review’s findings underscore the need for ongoing research to better understand the complex interplay between respiratory support and swallowing function. As HFNOT continues to be widely adopted,a deeper understanding of its potential effects will be crucial for ensuring patient safety and optimizing clinical outcomes.
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