Abstract：Objective: To investigate the risk factors of hypoxemia after CPB in congenital patients with congenital heart disease. Methods: A total of 98 children with congenital heart disease received from January 2016 to January 2017 were selected, all children underwent surgical treatment, CPB after 45 cases of hypoxemia, the remaining 53 cases did not appear hypoxemia, risk factors for hypoxemia after CPB were analyzed by single factor and Logistic multivariate regression. Results: The PaO2/FiO2 levels of 2h, 6h, 12h and 24h in children with hypoxemia were lower than those in non hypoxic group, and there was significant difference between the two groups (P <|0.05). Univariate analysis showed that there were significant differences in age, body weight, preoperative right-to-left shunt, preoperative pulmonary hypertension, and intraoperative ventilation patterns (P <0.01);Logistic multivariate regression analysis showed that low age, obesity, preoperative combined right to left shunt, pulmonary hypertension was congenital heart disease in children after CPB hypoxemia occurred in high risk factors. Conclusion: The incidence of hypoxemia in children with congenital heart disease is closely related to the low age, obesity and preoperative right - to - left shunt and pulmonary hypertension.
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2017, Vol. 23 
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