Peak apical recoil rate is a simplified index of left ventricular untwist: validation and application for assessment of diastolic function in children

The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil ra...

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Published inThe international journal of cardiovascular imaging Vol. 38; no. 7; pp. 1505 - 1516
Main Authors Yubbu, Putri, Kauffman, Hunter, Calderon-Anyosa, Renzo, Montero, Andrea E., Sato, Tomoyuki, Matsubara, Daisuke, Banerjee, Anirban
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.07.2022
Springer Nature B.V
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ISSN1875-8312
1569-5794
1875-8312
1573-0743
DOI10.1007/s10554-022-02587-y

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Abstract The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (− 38.6 ± 18.6º/s vs − 63.1 ± 16.3º /s, p < 0.001) and (− 0.43 ± 0.20 º/ s/min vs − 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (− 59.4 ± 19.4º/s vs − 97.8 ± 39.0 º/s, p < 0.01) and − 0.85 ± 0.36 vs − 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.
AbstractList The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (− 38.6 ± 18.6º/s vs − 63.1 ± 16.3º /s, p < 0.001) and (− 0.43 ± 0.20 º/ s/min vs − 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (− 59.4 ± 19.4º/s vs − 97.8 ± 39.0 º/s, p < 0.01) and − 0.85 ± 0.36 vs − 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.
The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (− 38.6 ± 18.6º/s vs − 63.1 ± 16.3º /s, p < 0.001) and (− 0.43 ± 0.20 º/ s/min vs − 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (− 59.4 ± 19.4º/s vs − 97.8 ± 39.0 º/s, p < 0.01) and − 0.85 ± 0.36 vs − 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.
The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (- 38.6 ± 18.6º/s vs - 63.1 ± 16.3º /s, p < 0.001) and (- 0.43 ± 0.20 º/ s/min vs - 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (- 59.4 ± 19.4º/s vs - 97.8 ± 39.0 º/s, p < 0.01) and - 0.85 ± 0.36 vs - 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.
The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (- 38.6 ± 18.6º/s vs - 63.1 ± 16.3º /s, p < 0.001) and (- 0.43 ± 0.20 º/ s/min vs - 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (- 59.4 ± 19.4º/s vs - 97.8 ± 39.0 º/s, p < 0.01) and - 0.85 ± 0.36 vs - 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (- 38.6 ± 18.6º/s vs - 63.1 ± 16.3º /s, p < 0.001) and (- 0.43 ± 0.20 º/ s/min vs - 0.83 ± 0.28º/s/min, p < 0.0001) but increased with straight leg raising exercise (- 59.4 ± 19.4º/s vs - 97.8 ± 39.0 º/s, p < 0.01) and - 0.85 ± 0.36 vs - 1.4 ± 0.62 º/s/min (p < 0.0001) respectively. PARR and nPARR successfully detected increased and decreased lusitropic states and superior to IVRT in correlation with PCWP. This highly reproducible parameter offers incremental value over traditional indices of DD and may potentially serve as a useful index of elevated PCWP in children.
Author Yubbu, Putri
Banerjee, Anirban
Montero, Andrea E.
Matsubara, Daisuke
Calderon-Anyosa, Renzo
Sato, Tomoyuki
Kauffman, Hunter
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  organization: Department of Pediatrics, Division of Cardiology, The Children’s Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Department of Pediatrics, Faculty of Medicine and Health Science, University Putra Malaysia
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Keywords Diastolic function
Speckle tracking echocardiography
Peak apical recoil rate
Cardiomyopathy
Pediatric
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PublicationSubtitle X-Ray Imaging, Intravascular Imaging, Echocardiography, Nuclear Cardiology, Computed Tomography and Magnetic Resonance Imaging
PublicationTitle The international journal of cardiovascular imaging
PublicationTitleAbbrev Int J Cardiovasc Imaging
PublicationTitleAlternate Int J Cardiovasc Imaging
PublicationYear 2022
Publisher Springer Netherlands
Springer Nature B.V
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Snippet The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis....
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SubjectTerms Capillary pressure
Cardiac Imaging
Cardiology
Cardiomyopathy
Children
Clinical medicine
Dilated cardiomyopathy
Exercise
Heart rate
Imaging
Laboratories
Medicine
Medicine & Public Health
Original Paper
Patients
Pediatrics
Physical fitness
Physical training
Radiology
Recoil
Relaxation time
Ventricle
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Title Peak apical recoil rate is a simplified index of left ventricular untwist: validation and application for assessment of diastolic function in children
URI https://link.springer.com/article/10.1007/s10554-022-02587-y
https://www.ncbi.nlm.nih.gov/pubmed/35290534
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