Digital image correlation for full-field time-resolved assessment of arterial stiffness

Campo, Adriaan; Soons, Joris; Heuten, Hilde; Ennekens, Guy; Goovaerts, Inge; Vrints, Christiaan; Lava, Pascal; Dirckx, Joris J.J.

doi:10.1117/1.jbo.19.1.016008

Cited by 14 publications

(8 citation statements)

References 37 publications

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“…In one of the first in - vivo studies on live human tissue, Campo et al . 16 compared the recorded pulse wave velocity (PWV) of the arterial system using DIC and ultrasound. According to their findings, PWV measurements from both methods were more or less similar in values.…”

Section: Introductionmentioning

confidence: 99%

An Optical Method for the In-Vivo Characterization of the Biomechanical Response of the Right Ventricle

Soltani

Lahti

Järvelä

et al. 2018

Sci Rep

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The intraoperative in-vivo mechanical function of the left ventricle has been studied thoroughly using echocardiography in the past. However, due to technical and anatomical issues, the ultrasound technology cannot easily be focused on the right side of the heart during open-heart surgery, and the function of the right ventricle during the intervention remains largely unexplored. We used optical imaging and digital image correlation for the characterization of the right ventricle motion and deformation during open-heart surgery. This work is a pilot study focusing on one patient only with the aim of establishing the framework for long term research. These experiments show that optical imaging and the analysis of the images can be used to obtain similar parameters, and partly at higher accuracy, for describing the mechanical functioning of the heart as the ultrasound technology. This work describes the optical imaging based method to characterize the mechanical response of the heart in-vivo, and offers new insight into the mechanical function of the right ventricle.

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Section: Introductionmentioning

confidence: 99%

An Optical Method for the In-Vivo Characterization of the Biomechanical Response of the Right Ventricle

Soltani

Lahti

Järvelä

et al. 2018

Sci Rep

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“…Then, we present the superiorities of the improved WTP method by comparing the accuracy and efficiency of applications to varying complexions. Moreover, we validate this body sensor by measuring the pulse wave velocity (PWV) of human carotid artery, 37,38 and further suggest promising applications in the discussion and conclusion.…”

Section: Introductionmentioning

confidence: 71%

Noninvasive, three-dimensional full-field body sensor for surface deformation monitoring of human body in vivo

Chen

Shao

et al. 2017

J. Biomed. Opt

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Noninvasive, three-dimensional (3-D), full-field surface deformation measurements of the human body are important for biomedical investigations. We proposed a 3-D noninvasive, full-field body sensor based on stereo digital image correlation (stereo-DIC) for surface deformation monitoring of the human body in vivo. First, by applying an improved water-transfer printing (WTP) technique to transfer optimized speckle patterns onto the skin, the body sensor was conveniently and harmlessly fabricated directly onto the human body. Then, stereo-DIC was used to achieve 3-D noncontact and noninvasive surface deformation measurements. The accuracy and efficiency of the proposed body sensor were verified and discussed by considering different complexions. Moreover, the fabrication of speckle patterns on human skin, which has always been considered a challenging problem, was shown to be feasible, effective, and harmless as a result of the improved WTP technique. An application of the proposed stereo-DIC-based body sensor was demonstrated by measuring the pulse wave velocity of human carotid artery.

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“…Using the 4-channel vibrometer, displacement of the vessel wall could be tracked in specimens 1 and 2. Out-of-plane displacements of the first maximum of upstroke are 10-100 μm which is comparative to skin displacements above the CCA in a human subject [13]. By tracking the 50% of maximum upstroke, the PWV can be determined.…”

Section: A Specimens 1-2mentioning

confidence: 98%

Application of a new four-channel vibrometer for determination of atherosclerosis: Further advances towards a handheld device

Campo

Dirckx

Widman

et al. 2016

2016 IEEE International Symposium on Medical Measurements and Applications (MeMeA)

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Cardiovascular diseases (CD) are the leading cause of death worldwide and their prevalence is expected to rise. Important in the etiology of CD is the stiffening of the large arteries (arteriosclerosis) and plaque formation (atherosclerosis) in the common carotid artery (CCA). Increasing evidence shows that both arteriosclerosis and atherosclerosis can be detected by assessing pulse wave velocity (PWV) in the CCA, and several techniques focus on the detection of PWV in this structure. In previous studies, laser doppler vibrometry (LDV) was proposed as an approach to detect the arterial system. In the present work, a compact 4-channel LDV system is introduced for PWV detection. Four phantom arteries were assessed mimicking real life cardiovascular pathologies. Due to the high sensitivity and the increased spatial and temporal resolution of the LDV system, PWV could be assessed, and even local changes in phantom architecture could be detected. The system could potentially be use to detect arteriosclerosis and plaque during cardiovascular screening.

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Digital image correlation for full-field time-resolved assessment of arterial stiffness

Cited by 14 publications

References 37 publications

An Optical Method for the In-Vivo Characterization of the Biomechanical Response of the Right Ventricle

An Optical Method for the In-Vivo Characterization of the Biomechanical Response of the Right Ventricle

Noninvasive, three-dimensional full-field body sensor for surface deformation monitoring of human body in vivo

Application of a new four-channel vibrometer for determination of atherosclerosis: Further advances towards a handheld device

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