Development and preliminary evaluation of an Android based heart rate variability biofeedback system

Abtahi, Farhad; Berndtsson, Andreas; Abtahi, Shirin; Seoane, Fernando; Lindecrantz, Kaj

doi:10.1109/embc.2014.6944348

Cited by 8 publications

(5 citation statements)

References 14 publications

(15 reference statements)

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“…The device, is designed by Z-Health Technologies AB and has been used in previous studies [1,2], it measures both Electrocardiogram (ECG) and respiration activity. For this study the sampling frequency is set to 300 Hz for both ECG/EBI and thoracic EBI is done with the injecting current at 50 kHz.…”

Section: Methodsmentioning

confidence: 99%

“…As a part of a project to evaluate Heart Rate Variability (HRV) biofeedback intervention by using a developed Android application [1], we have observed the stress of putting traditional ECG electrodes and associated cables as a threat which may cover the underling improvement in balance of autonomic nervous system i.e. higher HRV and lower heart rate.…”

Section: Introductionmentioning

confidence: 99%

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A knitted garment using intarsia technique for Heart Rate Variability biofeedback: Evaluation of initial prototype

Abtahi

et al. 2015

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

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A knitted garment using intarsia technique for Heart Rate Variability biofeedback: Evaluation of initial prototype. Abstract-Heart rate variability (HRV) biofeedback is a method based on paced breathing at specific rate called resonance frequency by giving online feedbacks from user respiration and its effect on HRV. Since the HRV is also influence by different factors like stress and emotions, stress related to an unfamiliar measurement device, cables and skin electrodes may cover the underling effect of such kind of intervention. Wearable systems are usually considered as intuitive solutions which are more familiar to the end-user and can help to improve usability and hence reducing the stress. In this work, a prototype of a knitted garment using intarsia technique is developed and evaluated. Results show the satisfactory level of quality for Electrocardiogram and thoracic electrical bioimpedance i.e. for respiration monitoring as a part of HRV biofeedback system. Using intarsia technique and conductive yarn for making the connection instead of cables will reduce the complexity of fabrication in textile production and hence reduce the final costs in a final commercial product. Further development of garment and Android application is ongoing and usability and efficiency of final prototype will be evaluated in detail. In: Engineering in Medicine and

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A knitted garment using intarsia technique for Heart Rate Variability biofeedback: Evaluation of initial prototype

Abtahi

et al. 2015

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

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“…Rapid technological advances have made applications in smartphones as a potential tool to improve adherence to treatment [15,16]. Several studies have been conducted to prove information technology-based interventions improve self-management and compliance behavior in patients with chronic illness [17]. Based on the above problems, the researchers are interested in conducting research into the development of discharge planning with an Android-based automatic fluid management reminder.…”

Section: Introductionmentioning

confidence: 99%

Automatic Reminder for Fluids Management on Confidence and Compliance with Fluid Restrictions in Hemodialysis Patients

2020

SRP

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Discharge planning has not been able to increase confidence and fluid restriction adherence in endstage renal failure patients undergoing hemodialysis. This study aimed to develop an application of discharge planning with automatic reminder of fluid management to improve fluid restriction adherence in hemodialysis patients. Research and development with the first stage was developing an application prototype by evaluating hemodialysis patients' issues through interviews and questionnaires of 115 respondents. Focus group discussions with health professionals and expert discussions were conducted after data collecting. Second stage was a quasiexperimental study with 30 respondents in each group using simple random sampling. Research analysis used MANOVA test. The development of a prototype consisted of pooling intake, pooling output, fluid control log, education, setting and automatic fluid monitoring reminder. The results of interviews with the target users showed that the app was feasible. The effect of interventions on beliefs (perceived threat, perceived benefit, perceived barrier, and self-efficacy) with p = 0.001, fluid restriction compliance and IDWG p = 0.001 after the intervention using the development of discharge planning with automatic reminder app. Development of discharge planning with automatic reminder of fluid management consists of several menus and the main feature was an automatic fluid monitoring reminder. This app can increase self-confidence in fluid restriction and adherence in patients undergoing hemodialysis.

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“…Pace breathing and heart rate variability (HRV) analysis are common aspects of biofeedback training (Lehrer, Vaschillo et al 2000). In Abtahi et al (Abtahi, Berndtsson et al 2014) a real-time application running on an Android phone collects and processes the measurements recorded using wearable sensors to provide users with HRV parameters and respiration rate during pace breathing training sessions. The ECGZ2 unit and the sensorized textile electrode vest garment presented in this research work are used in (Abtahi, Berndtsson et al 2014).…”

Section: Biofeedbackmentioning

confidence: 99%

“…In Abtahi et al (Abtahi, Berndtsson et al 2014) a real-time application running on an Android phone collects and processes the measurements recorded using wearable sensors to provide users with HRV parameters and respiration rate during pace breathing training sessions. The ECGZ2 unit and the sensorized textile electrode vest garment presented in this research work are used in (Abtahi, Berndtsson et al 2014). In their publication, they use the system on eight healthy volunteers to evaluate the system performance and usability, resulting in a biofeedback game ( A concise review of wearable systems for physiological measurements can be found in Hännikäinen et al (2007).…”

Section: Biofeedbackmentioning

confidence: 99%

Modular textile-enabled bioimpedance system for personalized health monitoring applications

Gonzalez¹

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A growing number of factors, including costs, technological advancements, ageing populations, and medical errors, are leading industrialized countries to invest in research on alternative solutions to improve their health-care systems and increase patients' quality of life. Personal health systems (PHS) examplify the use of information and communication technologies that enable a paradigm shift from the traditional hospital-centered healthcare delivery model toward a preventive and person-centered approach. PHS offer the means to monitor a patient's health using wearable, portable or implantable systems that offer ubiquitous, unobtrusive biodata acquisition, allowing remote monitoring of treatment and access to the patient's status. Electrical bioimpedance (EBI) technology is non-invasive, quick and relatively affordable technique that can be used for assessing and monitoring different health conditions, e.g., body composition assessments for nutrition. When combined with state-of-the-art advances in sensors and textiles, EBI technologies are fostering the implementation of wearable bioimpedance monitors that use functional garments for personalized healthcare applications. This research work is focused on the development of wearable EBI-based monitoring systems for ubiquitous health monitoring applications. The monitoring systems are built upon portable monitoring instrumentation and custom-made textile electrode garments. Portable EBI-based monitors have been developed using the latest material technology and advances in system-on-chip technology. For instance, a portable EBI spectrometer has been validated against a commercial spectrometer for total body composition assessment using functional textile electrode garments. The development of wearable EBI-based monitoring units using functional garments and dry textile electrodes for body composition assessment and respiratory monitoring has been shown to be a feasible approach. The availability of these measurement systems indicates progress toward the real implementation of personalized healthcare systems.

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Development and preliminary evaluation of an Android based heart rate variability biofeedback system

Cited by 8 publications

References 14 publications

A knitted garment using intarsia technique for Heart Rate Variability biofeedback: Evaluation of initial prototype

A knitted garment using intarsia technique for Heart Rate Variability biofeedback: Evaluation of initial prototype

Automatic Reminder for Fluids Management on Confidence and Compliance with Fluid Restrictions in Hemodialysis Patients

Modular textile-enabled bioimpedance system for personalized health monitoring applications

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