Related Experiment Video
Updated: Feb 28, 2026
An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
Comparison of risk scoring systems in congenital heart surgery
Timuçin Sabuncu1, Metin Demircin1, Rıza Doğan1
1Department of Thoracic-Cardiovascular Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Insights
The Aristotle Comprehensive Complexity Score (ACS) best predicts mortality and morbidity in pediatric congenital heart surgery. The Risk Adjustment in Congenital Heart Surgery (RACHS-1) system effectively identifies time-related mortality and morbidity.
Area of Science:
- Pediatric Cardiovascular Surgery
- Medical Risk Assessment
Background:
- Congenital heart surgery in patients under 18 requires accurate risk assessment.
- Evaluating mortality and morbidity is crucial for surgical outcomes.
Purpose of the Study:
- To compare the effectiveness of three risk scoring systems: RACHS-1, ABS, and ACS.
- To determine the superiority of each system in predicting outcomes for pediatric congenital heart surgery.
Main Methods:
- Evaluation of data from 413 pediatric patients undergoing congenital heart surgery.
- Application of RACHS-1, ABS, and ACS risk scoring systems.
- Statistical comparison using the Mann-Whitney U test.
Main Results:
- All three systems (ACS, RACHS-1, ABS) demonstrated effectiveness in evaluating mortality and morbidity.
- ACS was the most successful in predicting overall events, followed by RACHS-1.
- RACHS-1 excelled in detecting time-related mortality and assessing morbidity.
Conclusions:
- ACS is the most effective system for predicting overall mortality and morbidity in pediatric congenital heart surgery.
- RACHS-1 provides valuable insights into time-related mortality and morbidity assessment.
- Further research may refine the application of these scoring systems.
Abstract:
Hacettepe University Faculty of Medicine Department of Cardiovascular Surgery; data of 413 patients under 18 years old who had congenital heart surgery were evaluated between 01.01.2011-30.10.2012 and risk scorings were made by "RACHS-1 (Risk Adjustment in Congenital Heart Surgery)", "Aristotle Basic Complexity Score (ABS)" and "Aristotle Comprehensive Complexity Score (ACS)" systems used in evaluation of the risk of mortality and morbidity in (ACS)" systems used in evaluation of the risk of mortality and morbidity in congenital heart surgery. Data obtained were compared by Mann-Whitney U test and how effective these systems were in evaluating mortality and morbidity and their superiorities over each other were examined. Following the research, it was observed that all three systems were effective in evaluating mortality and morbidity; the most successful of them in foreseeing the event was the ACS system, ACS system was followed by RACHS-1 system and ABS system was the most incapable of these in foreseeing the event. It was seen that in detecting time related mortality, rating of these tests changed, RACHS-1 system detected the time related mortality best. It was also seen that with RACHS-1 system, a previously evaluated concept, it was possible to determine morbidity.
Related Concept Videos
01:25Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
01:12Relative Risk
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...