PRISM III Score Predicts Short-Term Outcome in Children with ARDS on Conventional and High-Frequency Oscillatory

Snezana Rsovac1,2, Davor Plavec3,4, Dusan Todorovic5

  • 1Department of Pediatric and Neonatal Intensive Care, University Children's Hospital, Tirsova 10, 11000 Belgrade, Serbia.

Insights

The Pediatric Risk of Mortality (PRISM) III score can predict short-term outcomes in children with pediatric acute respiratory distress syndrome (PARDS) on mechanical ventilation (MV). Higher PRISM III scores indicate a poorer prognosis, regardless of ventilation mode.

Area of Science:

  • Pediatric Critical Care Medicine
  • Respiratory Medicine
  • Pediatric Intensive Care

Background:

  • Pediatric acute respiratory distress syndrome (PARDS) management involves conventional (CMV) and high-frequency oscillatory ventilation (HFOV).
  • Predicting short-term outcomes in pediatric patients with PARDS is crucial for timely intervention.
  • The Pediatric Risk of Mortality (PRISM) III score is a validated tool for assessing critically ill children.

Purpose of the Study:

  • To evaluate the PRISM III score as a predictor of short-term outcomes in mechanically ventilated children with PARDS.
  • To assess the prognostic value of PRISM III in relation to mortality and complications within 28 days.
  • To explore the relationship between PRISM III scores and specific clinical factors like ventilation mode, sepsis, and shock.

Main Methods:

  • Retrospective five-year study in a Pediatric ICU involving 70 children with PARDS on mechanical ventilation.
  • Patients were stratified into two age groups: <1 year and 1-7 years.
  • PRISM III scores were analyzed to correlate with 28-day outcomes, including mortality and complications, and ventilation strategies (CMV vs. HFOV).

Main Results:

  • Pneumonia and sepsis were the most frequent causes of PARDS.
  • Male sex, malnutrition, sepsis, and shock were associated with poorer outcomes.
  • Higher PRISM III scores significantly correlated with mortality and the need for HFOV, demonstrating prognostic value.
  • Sepsis and cardiovascular insufficiency were linked to significantly higher PRISM III scores.
  • No significant difference in outcomes was observed between CMV and HFOV.

Conclusions:

  • The PRISM III score serves as a fair predictor of 28-day outcomes in pediatric patients with PARDS requiring mechanical ventilation.
  • The score's prognostic utility is independent of the mechanical ventilation mode used (CMV or HFOV).
  • Identifying high-risk patients through PRISM III can aid in optimizing care strategies for PARDS.

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