Effect of modified positive pressure extubation technique in the removal of oral tracheal intubation in ICU
ZHAO Ruru HUANG Debin
The Second Ward, Department of Critical Care Medicine, the First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning 530021, China
Abstract：Objective To investigate the clinical effect of modified positive pressure extubation technique in the removal of oral tracheal intubation in ICU. Methods A total of 124 ICU patients admitted to the People's Hospital of Cenxi City from January 2022 to April 2023 were selected as the research objects, and they were divided into experimental group (63 cases) and control group (61 cases) according to coin toss method. The experimental group adopted improved positive pressure extubation technology, and the control group adopted traditional negative pressure extubation technology. The vital signs (including heart rate, blood pressure, respiration, blood oxygen saturation) before extubation, 1 min and 15 min after extubation, and the incidence of complications after extubation were compared between the two groups. Results The systolic blood pressure of the two groups at 1 min after extubation were higher than those before extubation, the mean arterial pressure of the experimental group at 15 min after extubation was lower than that before extubation and 1 min after extubation, the breathing of the experimental group at 15 min after extubation was slower than that at 1 min after extubation, while the breathing of the control group at 1 min after extubation was faster than that before extubation, the blood oxygen saturation of the two groups at 1 min after extubation were lower than those before extubation, and the differences were statistically significant (P＜0.05). The incidence of hypertension, tachycardia, oxygen saturation decline, shortness of breath, severe cough, sore throat, and upper airway spasm in the experimental group 15 min after extubation were lower than those in the control group, and the differences were statistically significant (P＜0.05). There was no statistically significant difference in the incidence of extubation failure between the two groups (P＞0.05). Conclusion Both of the two techniques can cause the increase of systolic blood pressure and the decrease of blood oxygen saturation at 1 min after the removal of oral tracheal intubation in ICU. However, the incidence of complications caused by the modified positive pressure extubation technique is lower, which is worthy of clinical application and promotion.
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