Therapeutic Plasma Exchange in Children With Thrombocytopenia-Associated Multiple Organ Failure: The

James D Fortenberry1, Trung Nguyen2, Jocelyn R Grunwell1

  • 1Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta at Egleston, Atlanta, GA.

Critical Care Medicine
|December 12, 2018
PubMed

Insights

Therapeutic plasma exchange (TPE) may improve organ dysfunction and reduce 28-day mortality in children with sepsis-induced thrombocytopenia-associated multiple organ failure. Further research is needed to confirm these findings.

Area of Science:

  • Pediatric critical care medicine
  • Hematology
  • Intensive care medicine

Background:

  • Sepsis-induced thrombocytopenia-associated multiple organ failure (TA-MOF) presents a significant challenge in pediatric intensive care units (PICUs).
  • Limited evidence exists regarding the efficacy of therapeutic plasma exchange (TPE) in improving outcomes for children with TA-MOF.

Purpose of the Study:

  • To compare the resolution of organ dysfunction, 28-day mortality, and biochemical markers in children with TA-MOF who received TPE versus those who did not.
  • To evaluate the impact of TPE on pediatric organ dysfunction scores and mortality rates.

Main Methods:

  • An observational longitudinal cohort study was conducted across nine U.S. PICUs.
  • Eighty-one children diagnosed with sepsis-induced TA-MOF were included in the analysis.
  • Multivariate regression with propensity score weighting was used to model 28-day mortality and adjust for confounding factors.

Main Results:

  • Children treated with TPE showed a significant decline in Pediatric Logistic Organ Dysfunction (PLOD) scores by day 4 compared to the control group.
  • TPE use was associated with a reduced 28-day all-cause mortality (adjusted relative risk, 0.45; 95% CI, 0.23-0.90).
  • Propensity score weighting analysis also indicated a significant reduction in 28-day mortality with TPE (adjusted relative risk, 0.46; 95% CI, 0.22-0.97).

Conclusions:

  • Therapeutic plasma exchange (TPE) use in children with thrombocytopenia-associated multiple organ failure (TA-MOF) is associated with improved organ dysfunction resolution.
  • TPE treatment was linked to lower 28-day all-cause mortality in this pediatric cohort.
  • A multicenter randomized clinical trial is recommended to establish a definitive causal relationship between TPE and improved outcomes in TA-MOF.
Abstract

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