scholarly journals Biofeedback App for Migraine: A Development and Usability Study (Preprint)

2020 ◽  
Author(s):  
Sigrid Hegna Ingvaldsen ◽  
Erling Tronvik ◽  
Eiliv Brenner ◽  
Ingunn Winnberg ◽  
Alexander Olsen ◽  
...  
Keyword(s):  
Heart Rate ◽  
User Experience ◽  
Digital Health ◽  
Muscle Tension ◽  
Usability Testing ◽  
Biofeedback Training ◽  
Adherence Rate ◽  
Usability Study ◽  
Finger Temperature ◽  
Testing Period

UNSTRUCTURED Background: Biofeedback is effective in treating migraine. However, widespread use is hampered by the need of a trained therapist and specialized equipment. Emerging digital health technology, including smartphones and wearables (mHealth), enables new ways of administering biofeedback. Currently, mHealth interventions for migraine appears feasible, but development processes and usability testing remain insufficient. Methods: In a prospective development and usability study, 18 adult migraine suffers completed a 4-week testing period of a biofeedback app connected to wearable sensors measuring muscle tension, finger temperature, and heart rate. The testing period was preceded by a pre-usability expectations interview and succeeded by a post-usability experience interview. In addition, an evaluation questionnaire was completed at week two and four. Usability and feasibility were analyzed and summarized quantitatively and qualitatively. Results: A total of 391 biofeedback sessions were completed with a median of 25 (17-28) per participant. Participants achieved an increase in maximum, minimum and mean temperature and a decrease in maximum heart rate over the course of biofeedback training sessions. Qualitative pre-expectations analysis revealed that participants expected to become better familiar with physical signals, gain more understanding of their migraine attacks, and noted that the app should be simple and understandable. Post-usability analysis indicated that participants had an overall positive user experience with some suggestions for improvement. The intervention was safe and tolerable. Conclusion: The app underwent a rigorous development process which indicated an overall positive user experience, good usability and high adherence rate. This study highlights the importance of usability testing in the development of mHealth apps.

scholarly journals Supporting deprescribing in hospitalised patients: formative usability testing of a computerised decision support tool

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Melissa T. Baysari ◽  
Mai H. Duong ◽  
Patrick Hooper ◽  
Michaela Stockey-Bridge ◽  
Selvana Awad ◽  
...  
Keyword(s):  
Decision Support ◽  
Medical Record ◽  
Electronic Medical Record ◽  
Adverse Drug Events ◽  
Digital Health ◽  
Usability Testing ◽  
Routine Care ◽  
Assessment Tools ◽  
Support Tool ◽  
Hospitalised Patients

Abstract Background Despite growing evidence that deprescribing can improve clinical outcomes, quality of life and reduce the likelihood of adverse drug events, the practice is not widespread, particularly in hospital settings. Clinical risk assessment tools, like the Drug Burden Index (DBI), can help prioritise patients for medication review and prioritise medications to deprescribe, but are not integrated within routine care. The aim of this study was to conduct formative usability testing of a computerised decision support (CDS) tool, based on DBI, to identify modifications required to the tool prior to trialling in practice. Methods Our CDS tool comprised a DBI MPage in the electronic medical record (clinical workspace) that facilitated review of a patient’s DBI and medication list, access to deprescribing resources, and the ability to deprescribe. Two rounds of scenario-based formative usability testing with think-aloud protocol were used. Seventeen end-users participated in the testing, including junior and senior doctors, and pharmacists. Results Participants expressed positive views about the DBI CDS tool but testing revealed a number of clear areas for improvement. These primarily related to terminology used (i.e. what is a DBI and how is it calculated?), and consistency of functionality and display. A key finding was that users wanted the CDS tool to look and function in a similar way to other decision support tools in the electronic medical record. Modifications were made to the CDS tool in response to user feedback. Conclusion Usability testing proved extremely useful for identifying components of our CDS tool that were confusing, difficult to locate or to understand. We recommend usability testing be adopted prior to implementation of any digital health intervention. We hope our revised CDS tool equips clinicians with the knowledge and confidence to consider discontinuation of inappropriate medications in routine care of hospitalised patients. In the next phase of our project, we plan to pilot test the tool in practice to evaluate its uptake and effectiveness in supporting deprescribing in routine hospital care.

University Biology and Music Majors' Emotional Ratings of Musical Stimuli and Their Physiological Correlates of Heart, Rate, Finger Temperature, and Blood Pressure

1994 ◽  
Vol 79 (3) ◽  
pp. 1391-1397 ◽  
Author(s):  
Sherman D. Vanderark ◽  
Daniel Ely
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Physiological Responses ◽  
Anechoic Chamber ◽  
Music Majors ◽  
Finger Temperature ◽  
Biology Students ◽  
Before And After ◽  
Experimental Group

Physiological responses associated with the ratings of musical stimuli were investigated. For 101 university music and biology students in the experimental group, heart rate, blood pressure, and finger temperature were measured before and after listening to about 10 min. of music (Venus and Jupiter from Holst's The Planets) in an anechoic chamber. They also served as their own controls by sitting in silence for about 10 min. No significant differences were found on the three measures for the two musical stimuli between the musical or control conditions or between the two majors.

Rehabilitation after myocardial infarction by using of biofeedback training, controlled by capnometry

2021 ◽  
Vol 28 (Supplement_1) ◽  
Author(s):  
I Leonova ◽  
I Yarmosh ◽  
S Boldueva ◽  
N Suvorov ◽  
T Sergeev
Keyword(s):  
Myocardial Infarction ◽  
Heart Rate ◽  
Clinical Picture ◽  
Early Period ◽  
Main Group ◽  
Biofeedback Training ◽  
Total Power ◽  
Control Group ◽  
Hyperventilation Syndrome ◽  
Chronic Coronary Artery Disease

Abstract Funding Acknowledgements Type of funding sources: None. The increasing activity of the sympathetic nervous system was shown during myocardial infarction (MI). There are data that bio management application increases the vagal influences on a heart rate for patients with chronic coronary artery disease.  The purpose of this study was the assessment of changes of vegetative regulation of heart rate in patients with MI, receiving along with standard methods of treatment and rehabilitation sessions of cardiorespiratory training (KRT).  48 patients with IM in an early period of disease at the age from 40 till 70 years were surveyed. The main group was created from 29 people by whom KRT (5–10 sessions) was carried out. The assessment of efficiency and safety of KRT was carried out on a clinical picture and parameters of heart rate variability (HRV) before, after, and during KRT. The Control group consisted of 19 patients receiving only standard treatment. To exclude hyperventilation syndrome, capnometry was performed before the start of the KRT session to determine the FetCO2 individual norm for the certain patient to control the training process in a particular session. After each active sample, the concentration of carbon dioxide in the air exhaled by the patient was measured, and when it decreased below 95% of the initial value, the depth of breathing was adjusted. The use of capnometry in the study avoided adverse events during the sessions.  During carrying out of KRT, and after KRT worsening of the clinical picture at patients of the main group was not observed. HRV analysis at patients of the main group showed that after the end of KRT decrease in an index of tension (p < 0,05), an increase in an indicator of the general dispersion of heart rate (p < 0,05), and also a tendency to increase of vagal part of total power during spectral analysis (р=0,05) was observed. Normalization of heart rate and arterial pressure, growth of cardiorespiratory index, and index of a variation took place, cardiorespiratory synchronization was restored. Persons from the control group had no such changes.  Thus, the application of KRT realizing a mode of functional bio management of heart rate, as the instrument of psychophysiological support of standard medicament therapy showed the efficiency of its use in the program of rehabilitation of patients with myocardial infarction. The result of a comprehensive approach is the reduction of sympathetic and increase of vagal influences on heart rate, normalization of the main indicators of the cardiovascular system.

scholarly journals User Experience May be Producing Greater Heart Rate Variability than Motor Imagery Related Control Tasks during the User-System Adaptation in Brain-Computer Interfaces

2016 ◽  
Vol 7 ◽  
Author(s):  
Luz M. Alonso-Valerdi ◽  
David A. Gutiérrez-Begovich ◽  
Janet Argüello-García ◽  
Francisco Sepulveda ◽  
Ricardo A. Ramírez-Mendoza
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Motor Imagery ◽  
User Experience ◽  
Brain Computer Interfaces ◽  
Computer Interfaces ◽  
System Adaptation

THE USE OF HEART RATE TELEMETRY FOR DYNAMIC CONTROL OF THE FUNCTIONAL STATE DURING COMPUTER TESTING AND BIOFEEDBACK IN KNOWLEDGE WORKERS

2021 ◽  
Author(s):  
M.M. Nekrasova ◽  
◽  
I.V. Fedotova ◽  
S.A. Polevaya ◽  
Keyword(s):  
Heart Rate ◽  
Functional State ◽  
Work Experience ◽  
Knowledge Workers ◽  
Management Strategies ◽  
Dynamic Control ◽  
The Body ◽  
Biofeedback Training ◽  
Total Power ◽  
Neurohumoral Regulation

Abstract: Introduction. Increasing information loads can lead to the development of professional stress and work-related illnesses in knowledge workers. The development and implementation of modern methods of control and correction of the functional state of employees in the conditions of activity is relevant. The study aims – to explore the dynamics of the functional state of knowledge workers in the conditions of modeling the cognitive load on the computer and during the training on neurofeedback (NFB) based on the parameters of the electroencephalogram (EEG). Materials and methods. 17 researchers (4 men and 13 women aged 22-63 years (34.8±3.4), with an average work experience of 12.1±3.3 years) participated in the study on the basis of voluntary informed consent. Results. A significant increase in the index of the alpha rhythm was shown by 29.4% of the subjects. It was found that the total power of the spectrum of heart rate variability (HRV) is higher, the adaptive risk is lower in the group that successfully passed alpha training (p<0.05). According to the results of continuous personalized heart rate telemetry, the dynamics of the functional state (FS) during the examination was determined for each subject. Conclusion. A significant influence of the state of neurohumoral regulation systems and adaptive reserves of the body on the success of the biofeedback training was established, which is the basis for the development of methodological approaches to the correction of FS, taking into account individual optimal management strategies.

Respiratory and cardiovascular responses to static handgrip exercise in humans

1993 ◽  
Vol 75 (6) ◽  
pp. 2789-2796 ◽  
Author(s):  
G. A. Fontana ◽  
T. Pantaleo ◽  
F. Bongianni ◽  
F. Cresci ◽  
R. Manconi ◽  
...  
Keyword(s):  
Heart Rate ◽  
Time Course ◽  
Minute Ventilation ◽  
Muscle Tension ◽  
Maximum Voluntary Contraction ◽  
Cardiovascular Responses ◽  
Inspiratory Flow ◽  
Electromyographic Activity ◽  
Handgrip Exercise ◽  
Cardiovascular Variables

We studied the time course of respiratory and cardiovascular responses by evaluating changes in the breathing pattern, mean blood pressure (MBP), and heart rate elicited by 3 min of static handgrip at 15, 25, and 30% of the maximum voluntary contraction (MVC) in 15 healthy volunteers. Muscle tension and integrated electromyographic activity remained fairly constant during each trial. During 15% MVC bouts, initially only mean inspiratory flow increased; then, tidal volume and minute ventilation (VI) also rose progressively. No significant changes in MBP and heart rate were observed. During 25 and 30% MVC bouts, not only did mean inspiratory flow, VT, and VI increase but MBP and heart rate increased as well. A slight and delayed rise in respiratory rate was also observed. Unlike 15 and 25% MVC handgrip, 30% MVC handgrip caused a small decrease in end-tidal PCO2. Changes in the pattern of breathing occurred more promptly than those in cardiovascular variables in the majority of subjects. Furthermore, we found a positive correlation between changes in VI and those in cardiovascular variables at the end of 25 and 30% MVC trials. This study indicates that respiratory and cardiovascular responses to static handgrip exercise are controlled independently.

scholarly journals A pilot study investigating the relationship between heart rate variability and blood pressure in young adults at risk for cardiovascular disease

2022 ◽  
Vol 28 (1) ◽  
Author(s):  
Linda P. Bolin ◽  
Amelia D. Saul ◽  
Lauren L. Bethune Scroggs ◽  
Carolyn Horne
Keyword(s):  
Blood Pressure ◽  
Cardiovascular Disease ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Pilot Study ◽  
Family History ◽  
Diastolic Blood Pressure ◽  
Biofeedback Training ◽  
Paced Breathing ◽  
History Of

Abstract Background Cardiovascular disease is one of the leading causes of death globally with hypertension being a primary cause of premature death from this disease process. Individuals with a family history of cardiovascular disease and hypertension are at a greater risk for developing the same sequela. Autonomic cardiac control is important in the level of cardiac function. One intervention that is effective in improving cardiovascular function is heart rate variability biofeedback training. The purpose of our study was to determine the effectiveness of heart rate biofeedback training on HRV and blood pressure in individuals with a family history of cardiovascular disease. Methods Thirty-four participants (76.5% female, 22.7 ± 4.3 years) completed a baseline assessment and training using an established short-term HRV protocol followed by two weeks of at-home paced breathing employing a smartphone application. The participants were then reassessed in a biofeedback clinic. Results The participants physiological measures showed a significant increase in means between pre and post intervention of SDNN (t (32) = 2.177, p =.037) and TP, (t (32) = 2.327 p = .026). Correlation noted a medium effect on diastolic blood pressure and high frequency heart rate variability, F, r = .41, n =33, p < .05. A multiple regression with all predictor variables in the model found no significance with diastolic and systolic blood pressure. Conclusions The findings from this pilot study demonstrated that a two-week paced breathing intervention may assist in reducing heart rate and diastolic blood pressure while improving heart rate variability.

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