Page 139 - AIH-1-2
P. 139

Artificial Intelligence in Health                                    Movement detection with sensors and AI



            level but also pose detrimental challenges to hospital   has aided in predicting the evolution of mild cognitive
            administrations and insurance companies, as they not   impairment  to  Alzheimer’s  disease.   In  recent  years,
                                                                                             12
            only lead to injuries and increased risk of fatal events   machine learning has seen growing use in the healthcare
            but simultaneously extend hospital stays and inflate   industry with the objective of enhancing patient results
            medical care costs. According to the Center for Disease   and fostering more effective and tailored care practices. 13,14
            Control’s National Center for Injury Prevention and   In this study, PyCaret was used to classify data surrounding
            Control, unintended injuries are responsible for more   both simulated patient falls and simulated patient seizures,
            years of potential life lost than any other cause of death;   specifically classifying data relating to six particular
            among  the reported  3.4 million  unintended  injuries,   motions: breathing, seizures, rolling to the right side,
            72,000 are attributed to falls.  While inpatient hospital   rolling to the left side, rolling off the bed from the left, and
                                    2
            falls are objectively viewed as preventable events thus far,   rolling off the bed from the right. This study serves as an
            there remains a dearth of effective preventive measures.    innovative approach to fall prevention that has not been
                                                         3,4
            Current methods include providing patients with    previously implemented in hospitals. Using the Movella
            educational videos on fall prevention, deploying various   Xsens motion sensors to continuously gather continuous
            forms of bed alarms, and employing video monitoring   data  on patient  movements  and employing machine
            in patient rooms.  Falls occur for a variety of reasons.   learning  algorithms  to  classify  said  data,  trigger  alert
                          5,6
            Accidental falls occur when patients slip, trip, or encounter   systems for hospital staff may be developed. The goal is to
            other environmental factors. Anticipated physiological   prevent adverse hospital events such as falls and hospital-
            falls can be best described as falls experienced by patients   onset seizures, thereby leading to better patient outcomes
            predisposed  to  falling,  influenced  by  factors  such  as   and improved patient safety.
            previously recorded falls, an inaccurate self-assessment
            of capabilities, the presence of intravenous lines or saline   This study directly tackles the significant challenge
            locks, or the use of an ambulatory aid.  Anticipated   posed by inpatient falls and hospital-onset seizures,
                                              7,8
            physiological falls constitute the majority of inpatient falls,   occurrences that not only jeopardize patient safety but also
            while unanticipated physiological falls are less frequent and   impose considerable costs on healthcare systems. Despite
            unpredictable.  This study aims to address the longstanding   existing  preventative  measures,  these  events  remain
                       8
            challenge of hospital patient falls by presenting a solution.  a concern. In response, this study introduces a novel
                                                               approach by utilizing the Movella Xsens sensors alongside
              Hospital-onset seizures, defined as seizures occurring   the  PyCaret  machine  learning  algorithm  to  predict  and
            in hospitalized patients not admitted for seizure-related   potentially prevent such incidents. The sensor device
            incidents and lacking a history of seizures, represent jarring   detects real-time motions, while the  PyCaret algorithm
            occurrences often associated with extended hospital stays   classifies these movements to recognize patterns associated
            and heightened medical care requirements.  A previous   with risk events. This integrated approach was tested
                                                9
            study investigating hospital-onset seizures identified   using mannequins, demonstrating an 89% accuracy in
            218 patients, revealing that 33% experienced generalized   movement detection. The findings suggest the potential of
            tonic-clonic seizures, while metabolic derangements   this technology to serve as an effective alert system, thereby
            accounted for 25% of the remaining cases.  In addition, the   advancing patient safety by enabling timely interventions
                                             9
            study discovered a higher incidence of mortality among   by medical staff.
            patients experiencing hospital-onset seizures compared to
            those with preexisting histories of seizures, with rates of   2. Materials and methods
            19% and 5%, respectively.  Thus, hospital-onset seizures
                                 9
            typically manifest as new-onset and often recur, coinciding   This section provides an overview of the experimental
            with elevated mortality rates. The results gathered in this   data collection process, operationalization of sensors and
            study on patient seizures propose a potential novel safety   movements to obtain relevant data, data preprocessing for
            measure for early seizure detection and swift intervention.  machine learning analysis, and utilization of the PyCaret
                                                               machine learning library to establish, analyze, and evaluate
              PyCaret is a low-code, open-source machine learning
            library within Python designed to streamline coding   classification models. It emphasizes the metrics used to
                                                               determine the success and reliability of the models in
            efforts while increasing the time available for analysis. Its   predicting different types of patient movement, ultimately
            application has extended to evaluating turnaround time,   contributing to the study’s goal of improving patient safety
            a critical performance indicator in medical diagnostic   through early detection of fall or seizure events.
            laboratories.  In addition, PyCaret has demonstrated
                      10
            promise in studies  focusing on histological variants of   In conducting this study, a methodology was utilized
            bladder and urothelial carcinomas.  Notably, PyCaret   to replicate the movements associated with inpatient
                                          11

            Volume 1 Issue 2 (2024)                        133                               doi: 10.36922/aih.2790
   134   135   136   137   138   139   140   141   142   143   144