经鼻高流量湿化氧疗对机械通气患者拔管后口渴感觉和口干程度的影响

doi:10.3761/j.issn.2096-7446.2025.11.002

Abstract

Abstract:

Objective To compare and analyze the effects of high-flow nasal cannula（HFNC） and conventional oxygen therapy（COT） on thirst and dry mouth after extubation in mechanically ventilated patients. Methods A prospective cohort study was applied. Conveniently selected 226 patients who underwent mechanical ventilation and were hospitalized in the ICU of a tertiary Grade A hospital in Shiyan City from May 2022 to April 2024 as the study subjects. According to the oxygen therapy plan after extubation，patients were divided into HFNC group and COT group. Propensity Score Matching（PSM） was applied to balance the general information of two groups of patients. The degree of thirst and dry mouth after extubation were compared and analyzed between two groups. Results After PSM，multiple indicators were matched and balanced in both HFNC and COT groups，with improved comparability（P>0.05）. 4 and 24 hours after extubation，the degree of thirst in the HFNC group was significantly reduced compared to the COT group（P<0.05）. However，there was no significant difference in the degree of dry mouth between the two groups. There was no correlation between thirst sensation and oral dryness after extubation among HFNC and COT patients（P>0.05）. Conclusion Compared with COT，HFNC therapy can reduce the intensity of thirst in mechanical ventilation patients within 24 hours after extubation，but has no significant effect on the degree of dry mouth in patients.

Key words: High Flow Nasal Cannula, Extubation, Thirst, Dry Mouth, Nursing Care

TANG Qi, YANG Baoyi, WANG Rong. The effect of high-flow nasal cannula on thirst sensation and degree of mouth dryness after extubation in mechanically ventilated patients[J]. Chinese Journal of Emergency and Critical Care Nursing, 2025, 6(11): 1292-1296.

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The effect of high-flow nasal cannula on thirst sensation and degree of mouth dryness after extubation in mechanically ventilated patients

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