130 Interest of tricuspid annular displacement “TAD” in evaluation of right ventricular ejection fraction

Hugues, Thomas; Ducreux, Dorothée; Bertora, David; Lemoigne, F; Berthier, F.; Gibelin, P

doi:10.1016/s1878-6480(10)70132-4

Cited by 5 publications

(9 citation statements)

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“…Our study differs from most prior studies in that we have compared values of TAD and RV LSF with RVEF obtained by CMR. A recently published study with a similar design demonstrated a similar correlation between TAD and RV EF obtained by CMR 20 . However, this study did not evaluate RV LSF.…”

Section: Discussionmentioning

confidence: 69%

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Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

et al. 2011

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Section: Discussionmentioning

confidence: 69%

“…A recently published study with a similar design demonstrated a similar correlation between TAD and RV EF obtained by CMR. 20 However, this study did not evaluate RV LSF.…”

Section: Interpretation Of Resultsmentioning

confidence: 90%

Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

et al. 2011

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“…Our study has demonstrated 2 a better correlation with TAD and cardiac magnetic resonance (CMR) right ventricular ejection fraction (RVEF) than tricuspid annular peak systolic velocity (Sa) and RV fractional area change (FAC). A value of TAD < 14 mm predicted RV dysfunction defined as CMR RVEF < 40% (Se 87.5%, Sp 90%).…”

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confidence: 87%

Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

Hugues

Gibelin

2012

Echocardiography

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Dear Editor: With a great interest, we read the article "Assessment of right ventricular function using echocardiographic speckle tracking of the tricuspid annular motion: comparison with cardiac magnetic resonance" by H. Ahmad et al.The RV contracts 1 by three separate mechanisms: (1) inward movement of the free wall, which produces a bellows effect; (2) contraction of the longitudinal fibers, which shortens the long axis and draws the tricuspid annulus toward the apex; and (3) traction on the free wall at the points of attachment secondary to LV contraction. Shortening of the RV is greater longitudinally than radially.Tricuspid annular displacement (TAD) was a new RV index based on tissue tracking algorithm that is ultrasound beam angle independent for automated detection of TAD. Given this background, TAD reflects maximum peak displacement of midannular point measured in mm. We would like to commend the authors for employing RV longitudinal shortening fraction to evaluate RV function. However, it is surprising that this study did not compare value of TAD and RV longitudinal shortening fraction (LSF).Our study has demonstrated 2 a better correlation with TAD and cardiac magnetic resonance (CMR) right ventricular ejection fraction (RVEF) than tricuspid annular peak systolic velocity (Sa) and RV fractional area change (FAC). A value of TAD < 14 mm predicted RV dysfunction defined as CMR RVEF < 40% (Se 87.5%, Sp 90%). In 44 healthy subjects, a negative correlation was found between TAD and age (R 2 = 0.36; P < 0.0001).Our results in acute pulmonary embolism 3 and in young athletes 4 indicate that TAD provides an alternative method for fast, automated, and noninvasive quantitative evaluation of RV function.

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“…8 It has also been shown to correlate well with ejection fraction as measured by MRI. 9 In addition to accuracy, TMAD has been shown to be fast and highly reproducible in children. 10 These findings were confirmed in this study with low intra- and inter-rater variability.…”

Section: Commentmentioning

confidence: 99%

Tissue Motion Annular Displacement Predicts Mortality/Transplant After the Bidirectional Glenn

Penk

Zaidi

Lefaiver

et al. 2018

World J Pediatr Congenit Heart Surg

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130 Interest of tricuspid annular displacement “TAD” in evaluation of right ventricular ejection fraction

Cited by 5 publications

References 0 publications

Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

Assessment of Right Ventricular Function Using Echocardiographic Speckle Tracking of the Tricuspid Annular Motion: Comparison with Cardiac Magnetic Resonance

Tissue Motion Annular Displacement Predicts Mortality/Transplant After the Bidirectional Glenn

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