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ASAIO J. 2016 Sep-Oct;62(5):584-90. doi: 10.1097/MAT.0000000000000402.

Development of Risk Indices for Neonatal Respiratory Extracorporeal Membrane Oxygenation.

Author information

1
From the *Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine and Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania; †McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania; and ‡Department of Pediatric Critical Care Medicine, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania.

Abstract

Venoarterial extracorporeal membrane oxygenation (VA-ECMO) has saved thousands of newborns. Population comparisons for research and quality initiatives require risk-matching, but no indices exist for this population. We sought to create a pre-ECMO risk index using the registry data from the Extracorporeal Life Support Organization. We analyzed 5,455 neonatal (<30 days old) respiratory VA-ECMO patients for the period 2000-2010. Multivariate regression examining the impact of pre-ECMO variables on survival to hospital discharge was performed to create the Pittsburgh Index for Pre-ECMO Risk (PIPER), which was ultimately was based on seven pre-ECMO variables. Each PIPER quartile demonstrated increasing mortality by 15% (R = 0.98) and was associated with increased complications on ECMO. Further modeling to include on-ECMO complications (PIPER), including complications and length of time on ECMO, increased the predictive power of the model, with 21% increases in mortality per PIPER quartile (R = 0.97). Our developed indices provide the first steps towards risk-adjusting patients for meaningful comparisons amongst patient populations. There may be additional clinically relevant measures, both pre- and on-ECMO, which could provide better predictive capability. Future work will focus on finding these additional measures and expansion of our techniques to include other patient populations.

PMID:
27258227
DOI:
10.1097/MAT.0000000000000402
[Indexed for MEDLINE]

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