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Abstracts: Abstracts Presented at the 12th Annual Meeting of the Society in Europe for Simulation Applied to Medicine (SESAM): June 29–July 1, 2006 • Porto, Portugal: Theme Session Presentation # 10

“Stan Vintage”: A baseline patient for the Human Patient Simulator™ with hemodynamic parameters from the scientific literature.

van Meurs, Willem L.; Neto, Patrícia; Azevedo, Hugo; Sá Couto, Carla D.

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Simulation in Healthcare: The Journal of the Society for Simulation in Healthcare: Fall 2006 - Volume 1 - Issue 3 - p 183
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Baseline patient Stan V1.3 on the Human Patient Simulator™ (HPS) has a number of hemodynamic shortcomings, including unrealistic blood pressures and blood volume, cardiac tamponade on start-up, and difficulties in simulating septic shock. The cardiovascular model of this patient was inspired by the model presented in (1), referred to as the Beneken model, but has several structural differences, also making comparison of parameter values between the two models difficult. We hypothesized that the original model would not have these hemodynamic shortcomings. The purpose of this study was to provide and test a parameter set in HPS format with explicit references to this model.


Access to (1) is nor straightforward and simulation results were obtained in conditions that could not be totally reproduced. Therefore, we refer to the model and adult parameter set as presented in (2) and implemented it in Matlab. By carefully describing structural differences and parameter transformations, we derived a parameter set for the HPS which is equivalent to the Beneken model.


After adaptation of a single parameter, vital signs simulated with the derived parameter set match those of the original model and its Matlab implementation. Preliminary results indicate that they are more realistic than those of Stan V1.3 and that cardiac output values corresponding to septic shock can be obtained.


We provided a baseline patient for the HPS with hemodynamic parameters that can be traced back to the scientific literature.


(1) Beneken, PhD thesis, 1965.
    (2) Goodwin, et al., Anesth Analg, 2004.
      © 2006 Society for Simulation in Healthcare