Key result
A rapidly rising trajectory of perioperative NT-proBNP levels was associated with a 5.4-times higher risk of prolonged ICU stay compared to a slowly rising trajectory in children undergoing congenital heart defect surgery.
Why the study?
Assessing the prognostic value of repeated perioperative NT-proBNP measures and temporal trajectories in children undergoing surgery for congenital heart defects is critically important.
Does repeated perioperative NT-proBNP measurement predict prolonged ICU stay in children undergoing surgery for congenital heart defects?
Cohort (n=329)
No
Does repeated perioperative NT-proBNP measurement predict prolonged ICU stay in children undergoing surgery for congenital heart defects?
Odds Ratio: 5.4 (95% CI 1.82–16.76)
p-value: p=0.003
Repeated perioperative NT-proBNP measurements and their temporal trajectory can help identify children at high risk for prolonged ICU stay after congenital heart defect surgery.
May identify high-risk children after congenital heart surgery; hypothesis-generating for trajectory-guided care pending prospective trials.
Background: It is critically important to assess the prognostic value of NT-proBNP in the form of repeated measures among children undergoing surgery for congenital heart defects (CHD). The aim of the present study is to assess the value of repeated perioperative NT-proBNP in evaluating the time dependent and temporal trajectory in prognostics diagnosis during the perioperative period in a large series of children with CHD.Methods: Repeated measures of NT-proBNP from 329 consecutive children with CHD were obtained before and 1, 12, and 36 hours after surgery, respectively. For fully utilizing longitudinal characteristics, we employed parallel cross-sectional logistic regression, a two stage mixed effect model and trajectories over time analysis to mine the predictive value of perioperative NT-proBNP on the binary outcome of prolonged intensive care unit (ICU) stay.Results: The two stage mixed effects model confirmed that both the mean NT-proBNP level (aOR=1.46, P=0.001) and the time trends had prognostic value on the prediction of prolonged ICU stay. In the fully adjusted logistic regression analyses based on gaussian distributions, “rapidly rising NT-proBNP” put the subjects at 5.4-times higher risk of prolonged ICU stay compared with “slowly rising” group (aOR=5.40, P=0.003).Conclusions: Comprehensive assessment of the time dependent and temporal trajectory in perioperative NT-proBNP, indicated by repeated measurements, can provide more accurate identification of children with higher risk of prolonged ICU stay after CHD surgery.
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Lin et al. (2019) conducted a cohort in Congenital heart defects (n=329). Rapidly rising perioperative NT-proBNP trajectory vs. Slowly rising perioperative NT-proBNP trajectory was evaluated on Prolonged intensive care unit (ICU) stay (>3 days) (aOR 5.40, 95% CI 1.82-16.76, p=0.003). A rapidly rising trajectory of perioperative NT-proBNP levels was associated with a 5.4-times higher risk of prolonged ICU stay compared to a slowly rising trajectory in children undergoing congenital heart defect surgery.
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