Age-associated changes in 4D flow CMR derived Tricuspid Valvular Flow and Right Ventricular Blood Flow Kinetic Energy

Assessment of right ventricular (RV) diastolic function is not routinely carried out. This is due to standard two-dimensional imaging techniques being unreliable. Four-dimensional flow (4D flow) derived right ventricular blood flow kinetic energy assessment could circumvent the issues of the current...

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Veröffentlicht in:Scientific reports 2020-06, Vol.10 (1), p.9908-9908, Article 9908
Hauptverfasser: Barker, Natasha, Zafar, Hamza, Fidock, Benjamin, Elhawaz, Alaa, Al-Mohammad, Abdallah, Rothman, Alexander, Kiely, David G., van der Geest, R. J., Westenberg, Jos, Swift, Andrew J., Wild, James M., Plein, Sven, Garg, Pankaj
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container_title Scientific reports
container_volume 10
creator Barker, Natasha
Zafar, Hamza
Fidock, Benjamin
Elhawaz, Alaa
Al-Mohammad, Abdallah
Rothman, Alexander
Kiely, David G.
van der Geest, R. J.
Westenberg, Jos
Swift, Andrew J.
Wild, James M.
Plein, Sven
Garg, Pankaj
description Assessment of right ventricular (RV) diastolic function is not routinely carried out. This is due to standard two-dimensional imaging techniques being unreliable. Four-dimensional flow (4D flow) derived right ventricular blood flow kinetic energy assessment could circumvent the issues of the current imaging modalities. It also remains unknown whether there is an association between right ventricular blood flow kinetic energy (KE) and healthy ageing. We hypothesise that healthy ageing requires maintaining normal RV intra-cavity blood flow as quantified using KE method. The main objective of this study was to investigate the effect of healthy ageing on tricuspid through-plane flow and right ventricular blood flow kinetic energy. In this study, fifty-three healthy participants received a 4D flow cardiovascular magnetic resonance (CMR) scan on 1.5 T Philips Ingenia. Cine segmentation and 4D flow analysis were performed using dedicated software. Standard statistical methods were carried out to investigate the associations. Both RV E-wave KEi EDV (r = −0.3, P = 0.04) and A-wave KEi EDV (r = 0.42, P 
doi_str_mv 10.1038/s41598-020-66958-y
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The main objective of this study was to investigate the effect of healthy ageing on tricuspid through-plane flow and right ventricular blood flow kinetic energy. In this study, fifty-three healthy participants received a 4D flow cardiovascular magnetic resonance (CMR) scan on 1.5 T Philips Ingenia. Cine segmentation and 4D flow analysis were performed using dedicated software. Standard statistical methods were carried out to investigate the associations. Both RV E-wave KEi EDV (r = −0.3, P = 0.04) and A-wave KEi EDV (r = 0.42, P &lt; 0.01) showed an association with healthy ageing. Additionally, the right ventricular blood flow KEi EDV E/A ratio demonstrated the strongest association with healthy ageing (r = −0.53, P &lt; 0.01) when compared to all RV functional and haemodynamic parameters. 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J.</au><au>Westenberg, Jos</au><au>Swift, Andrew J.</au><au>Wild, James M.</au><au>Plein, Sven</au><au>Garg, Pankaj</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Age-associated changes in 4D flow CMR derived Tricuspid Valvular Flow and Right Ventricular Blood Flow Kinetic Energy</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2020-06-18</date><risdate>2020</risdate><volume>10</volume><issue>1</issue><spage>9908</spage><epage>9908</epage><pages>9908-9908</pages><artnum>9908</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Assessment of right ventricular (RV) diastolic function is not routinely carried out. This is due to standard two-dimensional imaging techniques being unreliable. Four-dimensional flow (4D flow) derived right ventricular blood flow kinetic energy assessment could circumvent the issues of the current imaging modalities. It also remains unknown whether there is an association between right ventricular blood flow kinetic energy (KE) and healthy ageing. We hypothesise that healthy ageing requires maintaining normal RV intra-cavity blood flow as quantified using KE method. The main objective of this study was to investigate the effect of healthy ageing on tricuspid through-plane flow and right ventricular blood flow kinetic energy. In this study, fifty-three healthy participants received a 4D flow cardiovascular magnetic resonance (CMR) scan on 1.5 T Philips Ingenia. Cine segmentation and 4D flow analysis were performed using dedicated software. Standard statistical methods were carried out to investigate the associations. Both RV E-wave KEi EDV (r = −0.3, P = 0.04) and A-wave KEi EDV (r = 0.42, P &lt; 0.01) showed an association with healthy ageing. Additionally, the right ventricular blood flow KEi EDV E/A ratio demonstrated the strongest association with healthy ageing (r = −0.53, P &lt; 0.01) when compared to all RV functional and haemodynamic parameters. Furthermore, in a multivariate regression model, KEi EDV E/A ratio and 4D flow derived tricuspid valve stroke volume demonstrated independent association to healthy ageing (beta −0.02 and 0.68 respectively, P &lt; 0.01). Ageing is independently associated with 4D flow derived tricuspid stroke volume and RV blood flow KE E/A ratio. These novel 4D flow CMR derived imaging markers have future potential for RV diastolic assessment.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>32555252</pmid><doi>10.1038/s41598-020-66958-y</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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subjects 692/308
692/4019
Adult
Aged
Aged, 80 and over
Aging
Blood flow
Blood Flow Velocity
Energy audits
Female
Follow-Up Studies
Heart
Hemodynamics
Humanities and Social Sciences
Humans
Image Interpretation, Computer-Assisted - methods
Kinetic energy
Magnetic Resonance Imaging, Cine - methods
Male
Middle Aged
multidisciplinary
Observer Variation
Plane flow
Prospective Studies
Science
Science (multidisciplinary)
Segmentation
Statistical methods
Stroke
Stroke Volume
Tricuspid valve
Tricuspid Valve - physiology
Ventricle
Ventricular Dysfunction, Right - physiopathology
Ventricular Function, Right - physiology
Young Adult
title Age-associated changes in 4D flow CMR derived Tricuspid Valvular Flow and Right Ventricular Blood Flow Kinetic Energy
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