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Predictors of mortality in a paediatric intensive care unit in Kigali, Rwanda
Rosine Nyirasafari1, Mark H Corden2, Angélique Charlie Karambizi3
1a Department of Pediatrics and Child Health , Ministry of Health, Rwamagana Provincial Hospital , Rwamagana , Rwanda.
Insights
In resource-limited settings, a modified PRISM (MP) score of 5 or higher and use of vasoactive drugs significantly predicted mortality in a paediatric intensive care unit (PICU). These findings can help identify high-risk children for improved care.
Area of Science:
- Paediatric Critical Care
- Global Health
- Epidemiology
Background:
- Critical illness poses a significant burden in resource-limited settings, increasing the need for paediatric critical care.
- Data on paediatric intensive care unit (PICU) practices and outcomes in these regions are scarce.
Purpose of the Study:
- To identify mortality risk factors in a new PICU at Kigali University Teaching Hospital (KUTH), Rwanda.
- To evaluate the predictive accuracy of a novel mortality risk score, the modified PRISM (MP) score.
Main Methods:
- A prospective cross-sectional study included 213 children admitted to the KUTH PICU from October 2012 to October 2014.
- Demographic and physiological data were collected, and patients were assigned an MP score.
- Logistic regression analysis identified factors associated with PICU mortality.
Main Results:
- The overall PICU mortality rate was 50%.
- Factors associated with increased mortality included male sex, vasoactive medication use, MP score ≥ 5, septic shock, and malnutrition.
- Multivariate analysis confirmed vasoactive drug use (OR 12.24) and MP score ≥ 5 (OR 16.1) as significant predictors of mortality.
Conclusions:
- The observed mortality rate aligns with other resource-limited settings.
- The MP score effectively identified patients at higher risk of mortality.
- Implementing data collection and severity of illness tools in PICUs in resource-limited settings can enhance patient care.
Background:
The enormous burden of critical illness in resource-limited settings has led to a growing interest in paediatric critical care in these regions. However, published data on the practice of critical care and patient outcomes in these settings are scant.
Objective:
This study sought to identify risk factors associated with mortality in the newly established Paediatric Intensive Care Unit (PICU) at Kigali University Teaching Hospital (KUTH) in Rwanda and test the predictive ability of a newly devised mortality risk score, the modified PRISM (MP) score.
Methods:
All admissions to the PICU at KUTH from October 2012 to October 2014 were included. Demographic and physiological data on each patient were gathered and each was assigned a MP score. This prospective cross-sectional study examined the association between the characteristics and physiological status of these patients and mortality. Using logistic regression, factors associated with mortality in the PICU were analysed.
Results:
A total of 213 children were admitted to the PICU during the study period. Three patients were excluded because of missing data. Of this total, 59% were male, 25% were neonates and nearly 60% were moderately to severely malnourished. The overall mortality rate was 50%. On bivariate analysis, factors associated with increased mortality were male sex, use of vasoactive medications, a MP score ≥ 5, a discharge diagnosis of septic shock, and malnutrition on admission. On multivariate analysis, only the use of vasoactive drugs [odds ratio (OR) 12.24, 95% confidence interval (CI) 4.4-35.4, p < 0.001] and MP score ≥ 5 (OR 16.1, CI 6.3-40.8, p < 0.001) were associated with mortality.
Conclusion:
The observed mortality rate was in the range reported in other resource-limited settings. The initial attempt to create and implement a risk of mortality tool for this setting determined a score that could identify those patients at higher risk of mortality. In PICUs in resource-limited settings, the gathering of data and use of severity of illness tools could improve care in a number of ways.
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