Going back for more: an evaluation of clinical outcomes and characteristics of readmissions to a pediatric intensive care unit

Folafoluwa O Odetola, Sarah J Clark, Ronald E Dechert, Thomas P Shanley
Pediatric Critical Care Medicine 2007, 8 (4): 343-7; CEU quiz 357

OBJECTIVE: To determine mortality, length of stay, and factors associated with readmissions to the pediatric intensive care unit (PICU).

DESIGN: A retrospective analysis of prospectively collected data.

SETTING: A 16-bed medical-surgical tertiary PICU and a coexisting 15-bed pediatric cardiac intensive care unit.

PATIENTS: All admissions from July 1, 1998, through June 30, 2004.


MEASUREMENTS AND RESULTS: Of 8,885 total eligible admissions, 711 (8%) were readmissions to the PICU. The median age of the overall cohort was 35.2 months (interquartile range, 5.5-128.2). Readmitted patients were younger (10.4 vs. 37.7 months, p < .01), had greater severity of illness (p < .01), and were more likely to be admitted emergently (p < .01), in comparison with single admissions. In multivariate analyses, readmitted patients had a trend toward higher odds of mortality (odds ratio, 1.39; 95% confidence interval, 0.98-1.98) and stayed 2.96 days longer in the PICU (95% confidence interval, 1.98-3.94) compared with single admissions to the PICU. Factors independently associated with PICU readmission were infant age (odds ratio, 1.98; 95% confidence interval, 1.57-2.49), emergent admission (odds ratio, 2.21; 95% confidence interval, 1.78-2.77), illness severity (odds ratio, 1.03; 95% confidence interval, 1.01-1.04), and time of the year between July and September (odds ratio, 1.52; 95% confidence interval, 1.20-1.93). A diagnosis of trauma was associated with low likelihood of PICU readmission (odds ratio, 0.30; 95% confidence interval, 0.18-0.50).

CONCLUSIONS: Patients readmitted to the PICU during the same hospitalization have significantly adverse outcomes. The study highlights important factors associated with PICU readmissions that can be incorporated into efforts to reduce mortality and resource utilization associated with readmission of critically ill children.

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