Title :
Simulation software applied to short term cardiovascular disease risk assessment
Author :
Paredest, S. ; Rocha, T. ; de Carvalho, P. ; Henriques, J. ; Morais, J.
Author_Institution :
Dept. de Eng. Inf. e de Sist., A†Inst. Politec. de Coimbra, Coimbra, Portugal
Abstract :
Several risk score tools are available in literature to predict death/myocardial infarction for coronary artery disease (CAD) patients, within a short period of time. However, these tools present some weaknesses: i) eventual lack of performance; ii) inability to deal with missing risk factors; iii) incapacity to incorporate new risk factors (clinical knowledge). This work addressed these problems, proposing a Bayesian classifier strategy through two main phases: i) common representation of individual risk assessment tools; ii) combination of individual models. The validation of the strategy was carried out through the combination of three well known current risk score tools (GRACE, TIMI, PURSUIT) applied to a real patient datasets (Santa Cruz hospital 460 patients). Software was developed to support the proposed methodology. The physician can calculate the CVD risk of a patient as well as perform a set of configurations to adjust the parameters of the global model to a specific population.
Keywords :
belief networks; cardiovascular system; digital simulation; diseases; medical computing; pattern classification; risk management; Bayesian classifier strategy; CAD patients; CVD risk; GRACE; PURSUIT; TIMI; coronary artery disease patients; current risk score tools; death infarction; myocardial infarction; patient datasets; risk assessment tools; short term cardiovascular disease risk assessment; simulation software; Bayes methods; Mathematical model; Medical services; Optimization; Risk management; Software; Solid modeling;
Conference_Titel :
Experiment@ International Conference (exp.at'13), 2013 2nd
Conference_Location :
Coimbra
DOI :
10.1109/ExpAt.2013.6703041