Eleanor A. Sharp, Li Wang, Matt Hall, Jay G. Berry, Catherine S. Forster

Frequency, Characteristics, and Outcomes of Patients Requiring Early PICU Readmission

  • Pediatrics
  • General Medicine
  • Pediatrics, Perinatology and Child Health
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OBJECTIVES Readmission to the PICU is associated with worse outcomes, but factors associated with PICU readmission within the same hospitalization remain unclear. We sought to describe the prevalence of, and identify factors associated with, early PICU readmission. METHODS We performed a retrospective analysis of PICU admissions for patients aged 0 to 26 years in 48 tertiary care children’s hospitals between January 1, 2016 and December 31, 2019 in the Pediatric Health Information System. We defined early readmission as return to the PICU within 2 calendar days of floor transfer during the same hospitalization. Generalized linear mixed models were used to analyze associations between patient and clinical variables, including complex chronic conditions (CCC) and early PICU readmission. RESULTS The results included 389 219 PICU admissions; early PICU readmission rate was 2.5%. Factors with highest odds of early PICU readmission were CCC, with ≥4 CCCs (reference: no CCC[s]) as highest odds of readmission (adjusted odds ratio [95% confidence interval]: 4.2 [3.8–4.5]), parenteral nutrition (2.3 [2.1–2.4]), and ventriculoperitoneal shunt (1.9 [1.7–2.2]). Factors with decreased odds of PICU readmission included extracorporeal membrane oxygenation (0.4 [0.3–0.6]) and cardiopulmonary resuscitation (0.8 [0.7–0.9]). Patients with early PICU readmissions had longer overall length of stay (geometric mean [geometric SD]: 18.2 [0.9] vs 5.0 [1.1] days, P < .001) and increased odds of mortality (1.7 [1.5–1.9]). CONCLUSIONS Although early PICU readmissions within the same hospitalization are uncommon, they are associated with significantly worse clinical outcomes. Patients with medical complexity and technology dependence are especially vulnerable.

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