Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.790806
Title: Modelling deterioration of health and predicting mortality using the vital signs of critical care patients
Author: Pollard, T.
ISNI:       0000 0004 8499 4937
Awarding Body: UCL (University College London)
Current Institution: University College London (University of London)
Date of Award: 2017
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Abstract:
Advanced bedside monitors are now commonplace in hospitals, presenting clinicians with increasingly large volumes of data on which to guide treatment. Despite these advances, there remains a heavy reliance on clinical intuition and simplistic alarm systems for diagnosis and care planning. Objectively assessing physiological stability using multiple, dynamic variables presents a challenge and early detection of deterioration can be problematic. This interdisciplinary thesis explores how improvements in data-archiving, networking, and sharing present new opportunities for clinical research and health care. Inspired by an initial investigation to predict mortality in patients with an artificial neural network, we move on to develop a probabilistic, data-fusion model for objectively assessing clinical deterioration and recovery. We demonstrate how this model of "normal" physiology can be used to indicate health trajectory, using novel approaches to define the normal population and to construct the model. Concluding the thesis, we highlight potential for the data-fusion model and suggest directions for future research.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.790806  DOI: Not available
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