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Severity of illness and organ dysfunction scoring systems in pediatric critical care: The impacts on clinician's
Morgan Recher1,2, Stéphane Leteurtre1,2, Valentine Canon1,2
1University of Lille, Centre Hospitalier Universitaire de Lille, ULR 2694 - METRICS: Évaluation des Technologies de Santé et des Pratiques Médicales, Lille, France.
Insights
Pediatric critical care scoring systems like PRISM-IV and PIM3, along with organ dysfunction scores such as PELOD-2 and SOFApediatric, are crucial for assessing patient severity and unit performance in PICUs.
Area of Science:
- Pediatric Critical Care Medicine
- Health Services Research
- Clinical Informatics
Background:
- Severity and organ dysfunction (OD) scores are increasingly utilized in pediatric intensive care units (PICUs).
- Existing scoring systems require updated reviews to reflect current clinical practice and performance measurement.
- Understanding the utility and limitations of these scores is vital for improving patient outcomes and resource allocation.
Purpose of the Study:
- To provide an updated review of severity scoring systems and OD scores in pediatric critical care.
- To explain performance measurement tools and their significance in clinical practice.
- To outline the usefulness, limitations, and future impact of these scores in PICUs.
Main Methods:
- Review of current pediatric severity scoring systems, including PRISM-IV and PIM3, detailing their data collection timeframes.
- Examination of common OD scores like PELOD-2 and SOFApediatric.
- Analysis of how scoring systems address key clinical questions regarding patient mortality and unit performance.
Main Results:
- PRISM-IV collects data 2 hours pre- to 4 hours post-PICU admission; PIM3 collects data within the first hour.
- PELOD-2 and SOFApediatric are frequently used OD scores.
- Scoring systems aid in evaluating patient severity, unit case mix, and performance, but are not for individual patient interpretation.
Conclusions:
- Scoring systems are essential for research and evaluating PICU performance, not for individual patient management.
- Automated data collection through computerization is necessary for efficient score calculation.
- Future developments should focus on integrating these tools seamlessly into clinical workflows.
Abstract:
Severity and organ dysfunction (OD) scores are increasingly used in pediatric intensive care units (PICU). Therefore, this review aims to provide 1/ an updated state-of-the-art of severity scoring systems and OD scores in pediatric critical care, which explains 2/ the performance measurement tools and the significance of each tool in clinical practice and provides 3/ the usefulness, limits, and impact on future scores in PICU. The following two pediatric systems have been proposed: the PRISMIV, is used to collect data between 2 h before PICU admission and the first 4 h after PICU admission; the PIM3, is used to collect data during the first hour after PICU admission. The PELOD-2 and SOFApediatric scores were the most common OD scores available. Scores used in the PICU should help clinicians answer the following three questions: 1/ Are the most severely ill patients dying in my service: a good discrimination allow us to interpret that there are the most severe patients who died in my service. 2/ Does the overall number of deaths observed in my department consistent with the severity of patients? The standard mortality ratio allow us to determine whether the total number of deaths observed in our service over a given period is in adequacy with the number of deaths predicted, by considering the severity of patients on admission? 3/ Does the number of deaths observed by severity level in my department consistent with the severity of patients? The calibration enabled us to determine whether the number of deaths observed according to the severity of patients at PICU admission in a department over a given period is in adequacy with the number of deaths predicted, according to the severity of the patients at PICU admission. These scoring systems are not interpretable at the patient level. Scoring systems are used to describe patients with PICU in research and evaluate the service's case mix and performance. Therefore, the prospect of automated data collection, which permits their calculation, facilitated by the computerization of services, is a necessity that manufacturers should consider.
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