Clinical Prognostic Efficacy of Using High-flow Oxygen and Noninvasive Ventilation after Withdrawal of Adult High-risk Patients after Cardiac Surgery
Objective To investigate the clinical prognostic effect of the use of high-flow oxygen and noninvasive ven-tilation in high-risk patients after withdrawal of the machine after adult cardiac surgery.Methods 86 patients who un-derwent postoperative cardiac surgery in Guizhou Provincial People's Hospital from June 2020 to June 2022 were se-lected as the study objects.They were divided into conventional group and combined group according to the difference of intervention methods,with 43 cases in each group.Patients in the conventional group were given high-flow oxygen therapy technology,and those in the combined group were given high-flow oxygen therapy technology combined with noninvasive ventilator-assisted ventilation.The blood gas indexes,reintubation rate,incidence of respiratory failure and dyspnea score before and after treatment were compared between the two groups.Results The pulmonary arterial oxygen tension,blood oxygen saturation,oxygenation index,and pH value of the combined group were higher than those of the conventional group after treatment,and the differences were statistically significant(all P<0.05).The rein-tubation rate in the combined group was lower than that in the conventional group at 48 h,72 h,and 7 d after removing the tube,and the differences were statistically significant(all P<0.05).The respiratory failure rate was lower in the combined group(4.65%)than in the conventional group(20.93%),and the difference was statistically significant(χ2=5.108,P<0.05).The dyspnea scores of the combined group were lower than those of the conventional group after 24 h and 48 h of treatment,and the differences were statistically significant(both P<0.05).Conclusion The use of high-flow oxygen therapy technology combined with non-invasive ventilator intervention after withdrawal of adult postopera-tive cardiac high-risk patients has a significant effect,which can effectively improve the patients'dyspnea and blood gas indexes,and can reduce the patients'reintubation and respiratory failure,which can help the patients'early recov-ery.
High-flow oxygen therapy technologyNoninvasive ventilator-assisted ventilation therapyPostoperative cardiac surgery
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