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Postoperative vomiting in pediatric oncologic patients: prediction by a fuzzy logic model
Betina S B Bassanezi1, Antônio G de Oliveira-Filho, Rosana S M Jafelice
1Department of Anesthesiology, Centro Infantil Boldrini, Campinas, SP, Brazil. bbassanezi@gmail.com
Insights
A new fuzzy logic model accurately predicts postoperative vomiting (POV) in pediatric cancer patients, outperforming existing scores. This tool aids in planning anti-vomiting treatments for better patient outcomes.
Area of Science:
- Oncology
- Anesthesiology
- Artificial Intelligence
Background:
- Postoperative vomiting (POV) is common in children, impacting parental satisfaction.
- Existing predictive scores for pediatric POV are limited, with Eberhart's score being the primary tool.
- Fuzzy logic offers a nuanced approach to modeling, accommodating continuous variables and subjectivity.
Purpose of the Study:
- To develop and present a fuzzy logic mathematical model for predicting POV in pediatric oncologic patients.
- To compare the predictive performance of the fuzzy logic model against established scores.
Main Methods:
- Analysis of preoperative risk factors in 198 pediatric oncology patients (0-19 years).
- Identification of probable risk factors using chi-square and logistic regression.
- Development of a fuzzy logic system and a computational interface for POV probability calculation.
Main Results:
- The fuzzy logic model demonstrated strong performance in predicting POV.
- Comparison revealed the fuzzy model outperformed Eberhart's score in the studied population.
Conclusions:
- The developed fuzzy score accurately predicts the likelihood of POV in pediatric cancer patients.
- This model facilitates improved planning for postoperative anti-vomiting prophylaxis.
- A user-friendly computational interface is freely available online.
Objective:
To report a fuzzy logic mathematical model to predict postoperative vomiting (POV) in pediatric oncologic patients and compare with preexisting scores.
Background:
Although POV has a high incidence in children and may decrease parental satisfaction after surgeries, there is only one specific score that predicts POV in children: the Eberhart's score. In this study, we report a fuzzy model that intends to predict the probability of POV in pediatric oncologic patients. Fuzzy logic is a mathematical theory that recognizes more than simple true and false values and takes into account levels of continuous variables such as age or duration of the surgery. The fuzzy model tries to account for subjectiveness in the variables.
Methods:
Preoperative potential risk factors for POV in 198 children (0-19 year old) with malignancies were collected and analyzed. Data analysis was performed with the chi-square test and logistic regression to evaluate probable risk factors for POV. A system based on fuzzy logic was developed with the risk factors found in the logistic regression, and a computational interface was created to calculate the probability of POV.
Results:
The model showed a good performance in predicting POV. After the analysis, the model was compared with Eberhart's score in the same population and showed a better performance.
Conclusions:
The fuzzy score can predict the chance of POV in children with cancer with good accuracy, allowing better planning for postoperative prophylaxis of vomiting. The computational interface is available for free download at the internet and is very easy to use.
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