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- W3164978312 abstract "BackgroundStenosis of the aortic valve causes increased left ventricular pressure leading to adverse clinical outcomes. The selection and timing of intervention (surgical replacement or transcatheter implantation) is often unclear and is based upon limited data. HypothesisA comprehensive and integrated personalised approach, including recognition of cardiac energetics parameters extracted from a personalised mathematical model, mapped to patient activity, has the potential to improve diagnosis and the planning and timing of interventions.AimsThis project seeks to implement a simple, personalised, mathematical model of patients with aortic stenosis (AS), which can ‘measure’ cardiac work and power parameters that provide an effective characterisation of the demand on the heart in both rest and exercise conditions and can predict the changes of these parameters following an intervention. The specific aims of this project are:•to critically review current diagnostic methods•to evaluate the potential role of pre- and post-procedural measured patient activity•to implement a simple, personalised, mathematical model of patients with AS•to evaluate the potential role of a clinical decision support systemMethodsTwenty-two patients with severe AS according to ESC criteria were recruited. Relevant clinical, imaging, activity monitoring, six-minute walk test, and patient reported data were collected, before and early and after treatment. Novel imaging techniques were developed to help in the diagnosis of AS. A computational model was developed and executed using the data collected to create non-invasive pressure volume loops and study the global haemodynamic burden on the left ventricle. Simulations were run to predict the haemodynamic parameters both during exercise and following intervention. Modelled parameters were validated against clinically measured values. This information was then correlated with symptoms and activity data. A clinical decision support tool was created and populated with data obtained and its clinical utility evaluated.OutcomesThe results of this project suggest that the combination of imaging and activity data with computational modelling provides a novel, patient-specific insight into patients’ haemodynamics and may help guide clinical decision making in patients with AS." @default.
- W3164978312 created "2021-06-07" @default.
- W3164978312 creator A5061837686 @default.
- W3164978312 date "2020-05-01" @default.
- W3164978312 modified "2023-09-24" @default.
- W3164978312 title "Computational Modelling in the Management of Patients with Aortic Valve Stenosis" @default.
- W3164978312 hasPublicationYear "2020" @default.
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