Microwave-Based Stroke Diagnosis Making Global Prehospital Thrombolytic Treatment Possible

Persson, Mikael; Fhager, Andreas; Trefná, Hana Dobšíček; Yan, Yu; McKelvey, Tomas; Pegenius, Göran; Karlsson, Jan‐Erik; Elam, Mikael

doi:10.1109/tbme.2014.2330554

Cited by 320 publications

(255 citation statements)

References 35 publications

Supporting

Mentioning

253

Contrasting

Order By: Relevance

“…Dielectric properties are used in biomedical applications ranging from assessment of tissue and device heating in magnetic resonance imaging [1] to radio frequency (RF) dosimetry [2] and improving microwave images by determining the signal speed within tissues such as the breast [3] or head [4]. Recent studies also suggest that microwave properties may be used to assess parameters such as human bone health [5] and hydration status [6].…”

Section: Introductionmentioning

confidence: 99%

Antenna Calibration Method for Dielectric Property Estimation of Biological Tissues at Microwave Frequencies

Garrett¹,

Bourqui²,

Fear³

2017

PIER

View full text Add to dashboard Cite

Abstract-We aim to estimate the average dielectric properties of centimeter-scale volumes of biological tissues. A variety of approaches to measurement of dielectric properties of materials at microwave frequencies have been demonstrated in the literature and in practice. However, existing methods are not suitable for noninvasive measurement of in vivo biological tissues due to high property contrast with air, and the need to conform with the shape of the human body. To overcome this, a method of antenna calibration has been adapted and developed for use with an antenna system designed for biomedical applications, allowing for the estimation of permittivity and conductivity. This technique requires only two calibration procedures and does not require any special manufactured components. Simulated and measured results are presented between 3 to 8 GHz for materials with properties expected in biological tissues. Error bounds and an analysis of sources of error are provided.

show abstract

Section: Introductionmentioning

confidence: 99%

Antenna Calibration Method for Dielectric Property Estimation of Biological Tissues at Microwave Frequencies

Garrett¹,

Bourqui²,

Fear³

2017

PIER

View full text Add to dashboard Cite

show abstract

“…Biofeedback provides information about changes of physical condition and patient's reaction during rehabilitation exercises [5,6,7]. In many cases, range of motion exercises alone is insufficient in recuperation after different types of neurological disorders [8,9].…”

Section: Introductionmentioning

confidence: 99%

Virtual reality and exercises for paretic upper limb of stroke survivors

Tutak

2017

Teh. vjesn.

View full text Add to dashboard Cite

Preliminary communicationThe article presents the issues of biofeedback in virtual reality (VR). This VR module in ELISE robot gives a possible re-arrangement of the damaged motor cortex which can be activated with the mediation of mirror neurons or through the subject's motor imagery. This ELISE robot will help to accelerate the recovery from various kinds of neurological disorders, especially from the effects of stroke. Four physical/education games in virtual reality are described in more detail. This paper presents the main technical characteristics of the project, especially design, VR module, rubber expander module for the spastic hand rehabilitation and the details of the hardware/software system. Moreover, psychological rehabilitation aspect is introduced through an innovative virtual assistant of physiotherapist. The functionality of the mechatronic device for hand, forearm and arm rehabilitation has been presented during the first tests, and preliminary assessment of usability and acceptance is promising.Keywords: biofeedback; hardware/software system; rehabilitation robotics; virtual reality Virtualna stvarnost i vježbe za gornji ud zahvaćen paralizom za preživjele nakon moždanog udara Prethodno priopćenje U ovom se radu razmatraju pitanja biološke povratne sprege u virtualnoj stvarnosti (VR -virtual reality). Taj modul VR kod robota ELISE omogućuje rekonstrukciju oštećenih motoričkih veza u mozgu, koje se mogu aktivirati posredstvom zrcalnih neurona ili motoričkih predodžbi o nekom pojmu. Robot ELISE doprinosi bržem oporavku nakon raznovrsnih neuroloških poremećaja, a naročito posljedica moždanog udara. Detaljno se opisuju četiri igre iz niza manipulacijsko-edukacijsko-socijalnih igara. U radu su predstavljene najvažnije tehničke karakteristike projekta, posebno dizajn, modul VR, modul gumenog dodatka za rehabilitaciju spastične ruke te detalji sustava hardware/software. Uz to se uvodi aspekt psihološke rehabilitacije kroz inovativnu virtualnu pomoć fizioterapeuta. Tijekom prvih testova predstavljena je funkcionalnost mehatroničkog uređaja za rehabilitaciju šake, podlaktice i ruke, a preliminarna procjena uporabljivosti i prihvaćanja obećavajuća je.Ključne riječi: biološka povratna sprega; hardware/software sustav; robot za rehabilitaciju; virtualna stvarnost

show abstract

“…So far, some feasibility studies and proof of concepts on the use of MWI for stroke detection have been reported [6,8,12,13,18,23]. A relevant work has been done at Chalmers University [6,12,18], where clinical trials are ongoing.…”

Section: Introductionmentioning

confidence: 99%

“…A relevant work has been done at Chalmers University [6,12,18], where clinical trials are ongoing. That device is based on the microwave tomography approach.…”

Section: Introductionmentioning

confidence: 99%

PCA-based artifact removal algorithm for stroke detection using UWB radar imaging

Ricci

Domenico

Cianca

et al. 2016

Med Biol Eng Comput

View full text Add to dashboard Cite

show abstract

Microwave-Based Stroke Diagnosis Making Global Prehospital Thrombolytic Treatment Possible

Cited by 320 publications

References 35 publications

Antenna Calibration Method for Dielectric Property Estimation of Biological Tissues at Microwave Frequencies

Antenna Calibration Method for Dielectric Property Estimation of Biological Tissues at Microwave Frequencies

Virtual reality and exercises for paretic upper limb of stroke survivors

PCA-based artifact removal algorithm for stroke detection using UWB radar imaging

Contact Info

Product

Resources

About