Symptoms and medications change patterns for Parkinson's disease patients stratification.

Abstract:

:Quality of life of patients with Parkinson's disease degrades significantly with disease progression. This paper presents a step towards personalized management of Parkinson's disease patients, based on discovering groups of similar patients. Similarity is based on patients' medical conditions and changes in the prescribed therapy when the medical conditions change. We present two novel approaches. The first algorithm discovers symptoms' impact on Parkinson's disease progression. Experiments on the Parkinson Progression Markers Initiative (PPMI) data reveal a subset of symptoms influencing disease progression which are already established in Parkinson's disease literature, as well as symptoms that are considered only recently as possible indicators of disease progression by clinicians. The second novelty is a methodology for detecting patterns of medications dosage changes based on the patient status. The methodology combines multitask learning using predictive clustering trees and short time series analysis to better understand when a change in medications is required. The experiments on PPMI data demonstrate that, using the proposed methodology, we can identify some clinically confirmed patients' symptoms suggesting medications change. In terms of predictive performance, our multitask predictive clustering tree approach is mostly comparable to the random forest multitask model, but has the advantage of model interpretability.

journal_name

Artif Intell Med

authors

Valmarska A,Miljkovic D,Konitsiotis S,Gatsios D,Lavrač N,Robnik-Šikonja M

doi

10.1016/j.artmed.2018.04.010

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

82-95

eissn

0933-3657

issn

1873-2860

pii

S0933-3657(17)30587-0

journal_volume

91

pub_type

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