Acta biotheoretica · 2016
Recursive Model Identification for the Evaluation of Baroreflex Sensitivity.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Le Rolle Virginie, Beuchée Alain, Praud Jean-Paul, Samson Nathalie, Pladys Patrick, Hernández Alfredo I
Аннотация
A method for the recursive identification of physiological models of the cardiovascular baroreflex is proposed and applied to the time-varying analysis of vagal and sympathetic activities. The proposed method was evaluated with data from five newborn lambs, which were acquired during injection of vasodilator and vasoconstrictors and the results show a close match between experimental and simulated signals. The model-based estimation of vagal and sympathetic contributions were consistent with physiological knowledge and the obtained estimators of vagal and sympathetic activities were compared to traditional markers associated with baroreflex sensitivity. High correlations were observed between traditional markers and model-based indices.