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1 "Jea Jun Hwang"
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Original Article
Pulmonary
Effects of high-flow nasal cannula in patients with mild to moderate hypercapnia: a prospective observational study
Kyung Hun Nam, Hyung Koo Kang, Sung-Soon Lee, So-Hee Park, Sung Wook Kang, Jea Jun Hwang, So Young Park, Won Young Kim, Hee Jung Suh, Eun Young Kim, Ga Jin Seo, Younsuck Koh, Sang-Bum Hong, Jin Won Huh, Chae-Man Lim
Acute Crit Care. 2021;36(3):249-255.   Published online July 26, 2021
DOI: https://doi.org/10.4266/acc.2020.01102
  • 7,263 View
  • 277 Download
  • 5 Web of Science
  • 6 Crossref
AbstractAbstract PDF
Background
Evidence for using high-flow nasal cannula (HFNC) in hypercapnia is still limited. Most of the clinical studies had been conducted retrospectively, and there had been conflicting reports for the effects of HFNC on hypercapnia correction in prospective studies. Therefore, more evidence is needed to understand the effect of the HFNC in hypercapnia.
Methods
We conducted a multicenter prospective observational study after applying HFNC to 45 hospitalized subjects who had moderate hypercapnia (arterial partial pressure of carbon dioxide [PaCO2], 43–70 mm Hg) without severe respiratory acidosis (pH <7.30). The primary outcome was a change in PaCO2 level in the first 24 hours of HFNC use. The secondary outcomes were changes in other parameters of arterial blood gas analysis, changes in respiration rates, and clinical outcomes.
Results
There was a significant decrease in PaCO2 in the first hour of HFNC application (-3.80 mm Hg; 95% confidence interval, -6.35 to -1.24; P<0.001). Reduction of PaCO2 was more prominent in subjects who did not have underlying obstructive lung disease. There was a correction in pH, but no significant changes in respiratory rate, bicarbonate, and arterial partial pressure of oxygen/fraction of inspired oxygen ratio. Mechanical ventilation was not required for 93.3% (42/45) of our study population.
Conclusions
We suggest that HFNC could be a safe alternative for oxygen delivery in hypercapnia patients who do not need immediate mechanical ventilation. With HFNC oxygenation, correction of hypercapnia could be expected, especially in patients who do not have obstructive lung diseases.

Citations

Citations to this article as recorded by  
  • A high-flow nasal cannula versus noninvasive ventilation in acute exacerbations of chronic obstructive pulmonary disease
    Oguzhan Haciosman, Huseyin Ergenc, Adem Az, Yunus Dogan, Ozgur Sogut
    The American Journal of Emergency Medicine.2025; 87: 38.     CrossRef
  • Oxygénothérapie nasale à haut débit et insuffisance respiratoire aiguë hypercapnique
    C. Girault, E. Artaud-Macari, G. Jolly, D. Carpentier, A. Cuvelier, G. Béduneau
    Revue des Maladies Respiratoires.2024; 41(7): 498.     CrossRef
  • Safety and efficacy of high flow nasal canula in patients with mild hypercapnia
    Mohammed A. Ibrahim, Magdy Emara, Mohammed Shehta
    The Egyptian Journal of Bronchology.2023;[Epub]     CrossRef
  • Current status of treatment of acute respiratory failure in Korea
    Yong Jun Choi, Jae Hwa Cho
    Journal of the Korean Medical Association.2022; 65(3): 124.     CrossRef
  • High-flow nasal cannula: Evaluation of the perceptions of various performance aspects among Chinese clinical staff and establishment of a multidimensional clinical evaluation system
    Ruoxuan Wen, Xingshuo Hu, Tengchen Wei, Kaifei Wang, Zhimei Duan, Zhanqi Zhao, Lixin Xie, Fei Xie
    Frontiers in Medicine.2022;[Epub]     CrossRef
  • The Application Progress of HFNC in Respiratory Diseases
    迪 吴
    Advances in Clinical Medicine.2022; 12(11): 10617.     CrossRef

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