Abstract
Background
The rates, outcomes, and long-term trends of stroke complicating the use of extracorporeal membrane oxygenation (ECMO) have been inconsistently reported. We compared the outcomes of pediatric ECMO patients with and without stroke and described the frequency trends between 2000 and 2017.
Methods
Using the National Inpatient Sample (NIS) database, pediatric patients (age ≤18 years) who received ECMO were identified using ICD-9&10 codes. Binary, regression, and trend analyses were performed to compare patients with and without stroke.
Results
A total of 114,477,997 records were reviewed. Overall, 28,695 (0.025%) ECMO patients were identified of which 2982 (10.4%) had stroke, which were further classified as hemorrhagic (n = 1464), ischemic (n = 1280), or combined (n = 238). Mortality was higher in the hemorrhagic and combined groups compared to patients with ischemic stroke and patients without stroke. Length of stay (LOS) was significantly longer in stroke vs. no-stroke patients. Hypertension and septicemia were more encountered in the hemorrhagic group, whereas the combined group demonstrated higher frequency of cardiac arrest and seizures.
Conclusions
Over the years, there is an apparent increase in the diagnosis of stroke. All types of stroke in ECMO patients are associated with increased LOS, although mortality is increased in hemorrhagic and combined stroke only.
Impact
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Stroke is a commonly seen complication in pediatric patients supported by ECMO.
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Understanding the trends will help in identifying modifiable risk factors that predict poor outcomes in this patient population.
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Data availability
Data for this research were extracted from the publically available Healthcare Cost and Utilization Project (HCUP), sponsored by the Agency for Healthcare Research and Quality (AHRQ).
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C.E. and O.B. conceptualized the study, drafted initial manuscript, and reviewed and revised the manuscript. H.F.O. analyzed the data and reviewed the manuscript. S.L. and V.N. critically reviewed the manuscript. H.A. conceptualized the study and critically reviewed the manuscript. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.
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Ezetendu, C., Baloglu, O., Othman, H.F. et al. Stroke in pediatric ECMO patients: analysis of the National Inpatient Sample (NIS) database. Pediatr Res 92, 754–761 (2022). https://doi.org/10.1038/s41390-022-02088-7
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DOI: https://doi.org/10.1038/s41390-022-02088-7
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