Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models

IntroductionIndividuals in the midst of a mental health crisis frequently exhibit instability and face an elevated risk of recurring crises in the subsequent weeks, which underscores the importance of timely intervention in mental healthcare. This work presents a data-driven method to infer the ment...

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Main Authors: Roger Garriga, Vicenç Gómez, Gábor Lugosi
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-02-01
Series:Frontiers in Digital Health
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fdgth.2024.1322555/full
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author Roger Garriga
Roger Garriga
Vicenç Gómez
Gábor Lugosi
Gábor Lugosi
Gábor Lugosi
author_facet Roger Garriga
Roger Garriga
Vicenç Gómez
Gábor Lugosi
Gábor Lugosi
Gábor Lugosi
author_sort Roger Garriga
collection DOAJ
description IntroductionIndividuals in the midst of a mental health crisis frequently exhibit instability and face an elevated risk of recurring crises in the subsequent weeks, which underscores the importance of timely intervention in mental healthcare. This work presents a data-driven method to infer the mental state of a patient during the weeks following a mental health crisis by leveraging their historical data. Additionally, we propose a policy that determines the necessary duration for closely monitoring a patient after a mental health crisis before considering them stable.MethodsWe model the patient’s mental state as a Hidden Markov Process, partially observed through mental health crisis events. We introduce a closed-form solution that leverages the model parameters to optimally estimate the risk of future mental health crises. Our policy determines a patient should be closely monitored when their estimated risk of crisis exceeds a predefined threshold. The method’s performance is evaluated using both simulated data and a real-world dataset comprising 162 anonymized psychiatric patients.ResultsIn the simulations, 96.2% of the patients identified by the policy were in an unstable state, achieving a F1 score of 0.74. In the real-world dataset, the policy yielded an F1 score of 0.79, with a sensitivity of 79.8% and specificity of 88.9%. Under this policy, 67.3% of the patients should undergo close monitoring for one week, 21.6% during 2 weeks or more, while 11.1% do not need close monitoring.DiscussionThe simulation results provide compelling evidence that the method is effective under the specified assumptions. When applied to actual psychiatric patients, the proposed policy showed significant potential for providing an individualized assessment of the required duration for close and automatic monitoring after a mental health crisis to reduce the relapse risks.
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spelling doaj.art-42ca815ed9fb401e991a72fd83d366ee2024-02-02T04:52:28ZengFrontiers Media S.A.Frontiers in Digital Health2673-253X2024-02-01610.3389/fdgth.2024.13225551322555Individualized post-crisis monitoring of psychiatric patients via Hidden Markov modelsRoger Garriga0Roger Garriga1Vicenç Gómez2Gábor Lugosi3Gábor Lugosi4Gábor Lugosi5Koa Health, Barcelona, SpainDepartment of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, SpainDepartment of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, SpainICREA, Barcelona, SpainDepartment of Economics and Business, Universitat Pompeu Fabra, Barcelona, SpainBarcelona School of Economics, Barcelona, SpainIntroductionIndividuals in the midst of a mental health crisis frequently exhibit instability and face an elevated risk of recurring crises in the subsequent weeks, which underscores the importance of timely intervention in mental healthcare. This work presents a data-driven method to infer the mental state of a patient during the weeks following a mental health crisis by leveraging their historical data. Additionally, we propose a policy that determines the necessary duration for closely monitoring a patient after a mental health crisis before considering them stable.MethodsWe model the patient’s mental state as a Hidden Markov Process, partially observed through mental health crisis events. We introduce a closed-form solution that leverages the model parameters to optimally estimate the risk of future mental health crises. Our policy determines a patient should be closely monitored when their estimated risk of crisis exceeds a predefined threshold. The method’s performance is evaluated using both simulated data and a real-world dataset comprising 162 anonymized psychiatric patients.ResultsIn the simulations, 96.2% of the patients identified by the policy were in an unstable state, achieving a F1 score of 0.74. In the real-world dataset, the policy yielded an F1 score of 0.79, with a sensitivity of 79.8% and specificity of 88.9%. Under this policy, 67.3% of the patients should undergo close monitoring for one week, 21.6% during 2 weeks or more, while 11.1% do not need close monitoring.DiscussionThe simulation results provide compelling evidence that the method is effective under the specified assumptions. When applied to actual psychiatric patients, the proposed policy showed significant potential for providing an individualized assessment of the required duration for close and automatic monitoring after a mental health crisis to reduce the relapse risks.https://www.frontiersin.org/articles/10.3389/fdgth.2024.1322555/fullprobabilistic modelingmental health crisisHidden Markov modelmental healthpsychiatrymachine learning
spellingShingle Roger Garriga
Roger Garriga
Vicenç Gómez
Gábor Lugosi
Gábor Lugosi
Gábor Lugosi
Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
Frontiers in Digital Health
probabilistic modeling
mental health crisis
Hidden Markov model
mental health
psychiatry
machine learning
title Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
title_full Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
title_fullStr Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
title_full_unstemmed Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
title_short Individualized post-crisis monitoring of psychiatric patients via Hidden Markov models
title_sort individualized post crisis monitoring of psychiatric patients via hidden markov models
topic probabilistic modeling
mental health crisis
Hidden Markov model
mental health
psychiatry
machine learning
url https://www.frontiersin.org/articles/10.3389/fdgth.2024.1322555/full
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