• Ting Li and Xuefen Xu.
• Ting Li, Department of Geriatric Medicine, Affiliated Nanjing Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu Province 210029, P.R. China.
• Pak J Med Sci. 2024 Oct 1; 40 (9): 197919841979-1984.

ObjectiveTo investigate the effect of a combination of high-flow nasal oxygen therapy (HFNO) and ipratropium bromide (IB) on Th1/Th2 balance and inflammation in patients with chronic obstructive pulmonary disease (COPD) and respiratory failure (RF).MethodsA retrospective analysis was conducted on the clinical data of patients with COPD and RF admitted to the Affiliated Nanjing Brain Hospital of Nanjing Medical University from June 2021 to March 2023. A total of 162 patients were included, with 79 patients received respiratory support using HFNO (HFNO group) and 83 patients who were treated using combined HFNO/IB (combined group). Treatment effect, lung function, levels of Th1/Th2, and inflammatory state were compared before and after the treatment.ResultsTotal effeicacy of patients in the combined group was significantly higher than that of the HFNO group (P<0.05). After the treatment, pulmonary function levels of the two groups was higher than that before the treatment, and was significantly better in the combined group compared to the HFNO group (P<0.05). The treatment was associated with a significant increase in the levels of Th1/Th2 in both groups. Post-treatment levels of these indexes in the combined group were markedly higher compared to the HFNO group (P<0.05). After the treatment, the inflammatory response of the two groups decreased, and was lower in the combined group that in the HFNO group (P<0.05).ConclusionsIn COPD patients with RF, HFNO combined with IB is efficient in alleviating the inflammatory state of patients, restoring Th1/Th2 balance, and improving lung function compared to HFNO alone.Copyright: © Pakistan Journal of Medical Sciences.

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