Haiqing Zheng1, Yanqin Cui2, Kuanrong Li1, Jiexin Zhang1, Jiangbo Qu2, Hui Shi1, LiJuan Li2, Huimin Xia3, Xinxin Chen2, Huiying Liang1. 1. Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China. 2. Cardiac Intensive Care Unit, Heart Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China. 3. Department of Pediatric Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
Abstract
OBJECTIVES: This study aimed to determine whether changes in perioperative N-terminal pro-B-type natriuretic peptide (NT-proBNP) are associated with short-term outcomes in children undergoing surgery for congenital heart disease (CHD). METHODS: We retrospectively included 873 consecutive children with CHD after cardiac surgery. NT-proBNP concentrations were collected from each child prior to and at 1, 12, 36 and 72 h after surgery. The patients had postsurgical follow-ups at 30, 90 and 180 days. The end point was postoperative composite adverse events. RESULTS: The patients were classified into 3 groups using joint latent class mixture time-to-event models: (i) relatively stable (86.7%), (ii) decreasing (7.2%) and (iii) increasing (6.1%). In total, 257 (29.4%) adverse events occurred. The joint latent class mixture time-to-event models showed that increasing NT-proBNP was strongly associated with adverse events, with adjusted hazard ratio of 2.33 (95% confidence interval 1.52-3.60). Multinomial logistic regression showed that the variables associated with the pattern of change were age, weight at surgery, mode of delivery and cardiopulmonary bypass time. CONCLUSIONS: The pattern of dynamic postsurgical changes in NT-proBNP may facilitate outcome stratification and identification of a high risk for adverse events.
OBJECTIVES: This study aimed to determine whether changes in perioperative N-terminal pro-B-type natriuretic peptide (NT-proBNP) are associated with short-term outcomes in children undergoing surgery for congenital heart disease (CHD). METHODS: We retrospectively included 873 consecutive children with CHD after cardiac surgery. NT-proBNP concentrations were collected from each child prior to and at 1, 12, 36 and 72 h after surgery. The patients had postsurgical follow-ups at 30, 90 and 180 days. The end point was postoperative composite adverse events. RESULTS: The patients were classified into 3 groups using joint latent class mixture time-to-event models: (i) relatively stable (86.7%), (ii) decreasing (7.2%) and (iii) increasing (6.1%). In total, 257 (29.4%) adverse events occurred. The joint latent class mixture time-to-event models showed that increasing NT-proBNP was strongly associated with adverse events, with adjusted hazard ratio of 2.33 (95% confidence interval 1.52-3.60). Multinomial logistic regression showed that the variables associated with the pattern of change were age, weight at surgery, mode of delivery and cardiopulmonary bypass time. CONCLUSIONS: The pattern of dynamic postsurgical changes in NT-proBNP may facilitate outcome stratification and identification of a high risk for adverse events.
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