scholarly journals Effect of etomidate on systemic and regional cerebral perfusion in neonates and infants with congenital heart disease: A prospective observational study

2020 ◽  
Vol 30 (9) ◽  
pp. 984-989
Author(s):  
Nils Dennhardt ◽  
Frederike‐Debora Elfgen‐Schiffner ◽  
Oliver Keil ◽  
Christiane E. Beck ◽  
Sebastian Heiderich ◽  
...  
BMJ Open ◽  
2017 ◽  
Vol 7 (12) ◽  
pp. e017580 ◽  
Author(s):  
Priya Jegatheesan ◽  
Matthew Nudelman ◽  
Keshav Goel ◽  
Dongli Song ◽  
Balaji Govindaswami

ObjectiveTo describe the distribution of perfusion index (PI) in asymptomatic newborns at 24 hours of life when screening for critical congenital heart disease (CCHD) using an automated data selection method.DesignThis is a retrospective observational study.SettingNewborn nursery in a California public hospital with ~3500 deliveries annually.MethodsWe developed an automated programme to select the PI values from CCHD screens. Included were term and late preterm infants who were screened for CCHD from November 2013 to January 2014 and from May 2015 to July 2015. PI measurements were downloaded every 2 s from the pulse oximeter and median PI were calculated for each oxygen saturation screen in our cohort.ResultsWe included data from 2768 oxygen saturation screens. Each screen had a median of 29 data points (IQR 17 to 49). The median PI in our study cohort was 1.8 (95% CI 1.8 to 1.9) with IQR 1.2 to 2.7. The median preductal PI was significantly higher than the median postductal (1.9 vs 1.8, p=0.03) although this difference may not be clinically significant.ConclusionUsing an automated data selection method, the median PI in asymptomatic newborns at 24 hours of life is 1.8 with a narrow IQR of 1.2 to 2.7. This automated data selection method may improve accuracy and precision compared with manual data collection method. Further studies are needed to establish external validity of this automated data selection method and its clinical application for CCHD screening.


2015 ◽  
Vol 167 (5) ◽  
pp. 1018-1024 ◽  
Author(s):  
Usha D. Nagaraj ◽  
Iordanis E. Evangelou ◽  
Mary T. Donofrio ◽  
L. Gilbert Vezina ◽  
Robert McCarter ◽  
...  

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