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Kohlmeier L, von der Born J, Lehmann E, Fröde K, Grabitz C, Greiner AS, Albrecht AA, Memaran N, Sugianto RI, Tegtbur U, Schmidt BMW, Kanzelmeyer N, Melk A. Physical activity and its impact on cardiovascular health in pediatric kidney transplant recipients. Pediatr Nephrol 2024; 39:1587-1598. [PMID: 38103064 PMCID: PMC10943152 DOI: 10.1007/s00467-023-06248-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Cardiovascular (CV) morbidity after kidney transplantation (KTx) in childhood is of increasing importance. In light of a high prevalence of CV risk factors, protective measures such as physical activity (PA) come into focus. Our aim was to comprehensively assess PA in pediatric KTx recipients and evaluate its impact on CV health. METHODS Forty-eight patients were assessed for frequency, duration, intensity, and setting of PA using the "Motorik-Modul" PA questionnaire. Walking-based activity was measured by accelerometer in a subgroup (n = 23). CV risk factors and subclinical CV organ damage were determined. The impact of PA on CV parameters was analyzed using linear regression models. RESULTS Fifty-two percent of pediatric KTx recipients did not reach WHO recommended PA level; 54% did not engage in PA with vigorous intensity (VPA). Twenty-nine percent indicated an extremely inactive lifestyle (< 120 min/week of moderate to vigorous intensity PA, MVPA). Compared to the healthy German KiGGS cohort, KTx recipients specifically lacked engagement in sport activities (KTx: 129 min/week; 95%CI, 97-162 vs. KiGGS, 242 min/week; 95%CI, 230-253). VPA was associated with lower systolic blood pressure (p = 0.024) and resting heart rate (p = 0.005), MVPA with fewer components of the post-transplant metabolic syndrome (p = 0.037), and better left ventricular diastolic function (p = 0.006). CONCLUSIONS A considerable lack of PA, especially VPA, exists in young KTx recipients. PA was positively associated with important parameters of CV health. While long-term CV protection through PA seems promising in pediatric KTx recipients, specific educational approaches are most likely needed to increase patients' engagement in sport activities.
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Affiliation(s)
- Lena Kohlmeier
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Jeannine von der Born
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Elena Lehmann
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Kerstin Fröde
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Carl Grabitz
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Anne-Sophie Greiner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | | | - Nima Memaran
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Rizky I Sugianto
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Uwe Tegtbur
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany
| | - Bernhard M W Schmidt
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Nele Kanzelmeyer
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Anette Melk
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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Pietrzak R, Książczyk TM, Franke M, Werner B. Diastolic function evaluation in children with ventricular arrhythmia. Sci Rep 2023; 13:5897. [PMID: 37041281 PMCID: PMC10090147 DOI: 10.1038/s41598-023-33118-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 04/07/2023] [Indexed: 04/13/2023] Open
Abstract
Premature ventricular contractions (PVC) are frequently seen in children. We evaluated left ventricular diastolic function in PVC children with normal left ventricular systolic function to detect whether diastolic function disturbances affect physical performance. The study group consisted of 36 PVC children, and the control group comprised 33 healthy volunteers. Echocardiographic diastolic function parameters such as left atrial volume index (LAVI), left atrial strains (AC-R, AC-CT, AC-CD), E wave, E deceleration time (Edt), E/E' ratio, and isovolumic relaxation time (IVRT) were measured. In the cardiopulmonary exercise test (CPET), oxygen uptake (VO2 max) was registered. Evaluation of diastolic function parameters revealed statically significant differences between the patients and controls regarding Edt (176.58 ± 54.8 ms vs. 136.94 ± 27.8 ms, p < 0.01), E/E' (12.6 ± 3.0 vs. 6.7 ± 1.0, p < 0.01), and IVRT (96.6 ± 19.09 ms. vs. 72.86 ± 13.67 ms, p < 0.01). Left atrial function was impaired in the study group compared to controls: LAVI (25.3 ± 8.2 ml/m2 vs. 19.2 ± 7.5 ml/m2, p < 0.01), AC-CT (34.8 ± 8.6% vs. 44.8 ± 11.8%, p < 0.01), and AC-R-(6.0 ± 4.9% vs. -11.5 ± 3.5%, p < 0.01), respectively. VO2 max in the study group reached 33.1 ± 6.2 ml/min/kg. A statistically significant, moderate, negative correlation between VO2 max and E/E' (r = -0.33, p = 0.02) was found. Left ventricular diastolic function is impaired and deteriorates with the arrhythmia burden increase in PVC children. Ventricular arrhythmia in young individuals may be related to the filling pressure elevation and drive to exercise capacity deterioration.
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Affiliation(s)
- Radosław Pietrzak
- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, Żwirki I Wigury Street 61, 02-091, Warszawa, Poland.
| | - Tomasz M Książczyk
- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, Żwirki I Wigury Street 61, 02-091, Warszawa, Poland
| | - Magda Franke
- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, Żwirki I Wigury Street 61, 02-091, Warszawa, Poland
| | - Bożena Werner
- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, Żwirki I Wigury Street 61, 02-091, Warszawa, Poland
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Left Atrioventricular Transvalvular Pressure Gradients Derived from Intraoperative and Postoperative Echocardiograms following Atrioventricular Septal Defect Repair. Diagnostics (Basel) 2023; 13:diagnostics13050957. [PMID: 36900100 PMCID: PMC10001237 DOI: 10.3390/diagnostics13050957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/25/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Left atrioventricular valve (LAVV) stenosis following an atrioventricular septal defect (AVSD) repair is a rare but potentially life-threatening complication. While echocardiographic quantification of diastolic transvalvular pressure gradients is paramount in the evaluation of a newly corrected valve function, it is hypothesized that these measured gradients are overestimated immediately following a cardiopulmonary bypass (CPB) due to the altered hemodynamics when compared to postoperative valve assessments using awake transthoracic echocardiography (TTE) upon recovery after surgery. METHODS Out of the 72 patients screened for inclusion at a tertiary center, 39 patients undergoing an AVSD repair with both intraoperative transesophageal echocardiograms (TEE, performed immediately after a CPB) and an awake TTE (performed prior to hospital discharge) were retrospectively selected. The mean (MPGs) and peak pressure gradients (PPGs) were quantified using a Doppler echocardiography and other measures of interest were recorded (e.g., a non-invasive surrogate of the cardiac output and index (CI), left ventricular ejection fraction, blood pressures and airway pressures). The variables were analyzed using the paired Student's t-tests and Spearman's correlation coefficients. RESULTS The MPGs were significantly higher in the intraoperative measurements when compared to the awake TTE (3.0 ± 1.2 vs. 2.3 ± 1.1 mmHg; p < 0.01); however, the PPGs did not significantly differ (6.6 ± 2.7 vs. 5.7 ± 2.8 mmHg; p = 0.06). Although the assessed intraoperative heart rates (HRs) were also higher (132 ± 17 vs. 114 ± 21 bpm; p < 0.001), there was no correlation found between the MPG and the HR, or any other parameter of interest, at either time-point. In a further analysis, a moderate to strong correlation was observed in the linear relationship between the CI and the MPG (r = 0.60; p < 0.001). During the in-hospital follow-up period, no patients died or required an intervention due to LAVV stenosis. CONCLUSIONS The Doppler-based quantification of diastolic transvalvular LAVV mean pressure gradients using intraoperative transesophageal echocardiography seems to be prone to overestimation due to altered hemodynamics immediately after an AVSD repair. Thus, the current hemodynamic state should be taken into consideration during the intraoperative interpretation of these gradients.
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Sørensen K, Fadnes S, Mertens L, Henry M, Segers P, Løvstakken L, Nyrnes SA. Assessment of Early Diastolic Intraventricular Pressure Difference in Children by Blood Speckle-Tracking Echocardiography. J Am Soc Echocardiogr 2023; 36:523-532.e3. [PMID: 36632939 DOI: 10.1016/j.echo.2022.12.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/24/2022] [Accepted: 12/30/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND The lack of reliable echocardiographic techniques to assess diastolic function in children is a major clinical limitation. Our aim was to develop and validate the intraventricular pressure difference (IVPD) calculation using blood speckle-tracking (BST) and investigate the method's potential role in the assessment of diastolic function in children. METHODS Blood speckle-tracking allows two-dimensional angle-independent blood flow velocity estimation. Blood speckle-tracking images of left ventricular (LV) inflow from the apical 4-chamber view in 138 controls, 10 patients with dilated cardiomyopathies (DCMs), and 21 patients with hypertrophic cardiomyopathies (HCMs) <18 years of age were analyzed to study LV IVPD during early diastole. Reproducibility of the IVPD analysis was assessed, IVPD estimates from BST and color M mode were compared, and the validity of the BST-based IVPD calculations was tested in a computer flow model. RESULTS Mean IVPD was significantly higher in controls (-2.28 ± 0.62 mm Hg) compared with in DCM (-1.21 ± 0.39 mm Hg, P < .001) and HCM (-1.57 ± 0.47 mm Hg, P < .001) patients. Feasibility was 88.3% in controls, 80% in DCM patients, and 90.4% in HCM patients. The peak relative negative pressure occurred earlier at the apex than at the base and preceded the peak E-wave LV filling velocity, indicating that it represents diastolic suction. Intraclass correlation coefficients for intra- and interobserver variability were 0.908 and 0.702, respectively. There was a nonsignificant mean difference of 0.15 mm Hg between IVPD from BST and color M mode. Estimation from two-dimensional velocities revealed a difference in peak IVPD of 0.12 mm Hg (6.6%) when simulated in a three-dimensional fluid mechanics model. CONCLUSIONS Intraventricular pressure difference calculation from BST is highly feasible and provides information on diastolic suction and early filling in children with heart disease. Intraventricular pressure difference was significantly reduced in children with DCM and HCM compared with controls, indicating reduced early diastolic suction in these patient groups.
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Affiliation(s)
- Kristian Sørensen
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway; Division of Ålesund Hospital, Department of Pediatrics, Møre and Romsdal Hospital Trust, Ålesund, Norway.
| | - Solveig Fadnes
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway; Division of Ålesund Hospital, Department of Pediatrics, Møre and Romsdal Hospital Trust, Ålesund, Norway
| | - Luc Mertens
- Department of Cardiology, the Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Matthew Henry
- Department of Cardiology, the Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Patrick Segers
- Department of Electronics and Information Systems, IBiTech-bioMMeda, Ghent University, Ghent, Belgium
| | - Lasse Løvstakken
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Siri Ann Nyrnes
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway; Children's Clinic, St. Olav`s Hospital, Trondheim University Hospital, Trondheim, Norway
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Chowdhury S, Jackson L, Byrne BJ, Bryant RM, Cade WT, Churchill TL, Buchanan J, Taylor C. Longitudinal Observational Study of Cardiac Outcome Risk Factor Prediction in Children, Adolescents, and Adults with Barth Syndrome. Pediatr Cardiol 2022; 43:1251-1263. [PMID: 35238957 PMCID: PMC9462389 DOI: 10.1007/s00246-022-02846-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 02/04/2022] [Indexed: 12/01/2022]
Abstract
Barth Syndrome (BTHS) is an X-linked mitochondrial cardioskeletal myopathy caused by defects in TAFAZZIN, a gene responsible for cardiolipin remodeling. Altered mitochondrial levels of cardiolipin lead to cardiomyopathy (CM), muscle weakness, exercise intolerance, and mortality. Cardiac risk factors predicting outcome are unknown. Therefore, we conducted a longitudinal observational study to determine risk factors for outcome in BTHS. Subjects with minimum two evaluations (or one followed by death or transplant) were included. Cardiac size, function, and QTc data were measured by echocardiography and electrocardiography at 7 time points from 2002 to 2018. Analysis included baseline, continuous, and categorical variables. Categorical risk factors included prolonged QTc, abnormal right ventricle fractional area change (RV FAC), left ventricle (LV) or RV non-compaction, and restrictive CM phenotype. The association between variables and cardiac death or transplant (CD/TX) was assessed. Median enrollment age was 7 years (range 0.5-22; n = 44). Transplant-free survival (TFS) was 74.4% at 15 years from first evaluation. The cohort demonstrated longitudinal declines in LV size and stroke volume z-scores (end-diastolic volume, p = 0.0002; stroke volume p < 0.0001), worsening RV FAC (p = 0.0405), and global longitudinal strain (GLS) (p = 0.0001) with stable ejection (EF) and shortening (FS) fraction. CD/TX subjects (n = 9) displayed worsening LV dilation (p = 0.0066), EF (p ≤ 0.0001), FS (p = 0.0028), and RV FAC (p = .0032) versus stability in TFS. Having ≥ 2 categorical risk factors predicted CD/TX (p = 0.0073). Over 15 years, 25% of BTHS subjects progressed to CD/TX. Those with progressive LV enlargement, dysfunction, and multiple cardiac risk factors warrant increased surveillance and intense therapy.
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Affiliation(s)
| | - Lanier Jackson
- Medical University of South Carolina, Charleston, SC, USA
| | - Barry J. Byrne
- School of Medicine, University of Florida, Gainesville, FL, USA
| | | | - W. Todd Cade
- Duke University School of Medicine, Durham, NC, USA
| | | | - Julia Buchanan
- Medical University of South Carolina, Charleston, SC, USA
| | - Carolyn Taylor
- MUSC Children's Heart Program, Pediatric Echocardiography Lab, Pediatric Cardiology, Shawn Jenkins Children's Hospital, MSC 915, 10 McClennan Banks Dr., Charleston, SC, 29425-8905, USA.
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Normal Values and Patterns of Normality and Physiological Variability of Mitral and Tricuspid Inflow Pulsed Doppler in Healthy Children. Healthcare (Basel) 2022; 10:healthcare10020355. [PMID: 35206969 PMCID: PMC8871925 DOI: 10.3390/healthcare10020355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/29/2022] [Accepted: 02/08/2022] [Indexed: 11/21/2022] Open
Abstract
Background: While mitral (MV) and tricuspid valve (TV) pulsed Doppler velocities and derived gradients are commonly evaluated, data on normal pediatric values are limited. This study aimed to evaluate the normal values and physiological variability for MV and TV Doppler velocities and derived gradients in a large cohort of prospectively enrolled healthy children. Methods: The echocardiographic measurements included pulsed Doppler MV and TV E and A velocities, E deceleration times (EDT), maximal and mean gradients, and velocity time integral (VTI). Results: A total of 544 healthy subjects (median age 6.4 years, range 1 day–17.68 years) were included. MV and TV E velocity, E/A ratio, and E and A wave duration increased, while A velocity decreased with age (p < 0.001). Along with an increase in VTI, there occurred a progressive increase in maximum velocity and gradients and a decrease in mean velocities and gradients. E/A inversions were common, especially at the TV in neonates and infants. For MV, inversion in either one, two, or three consecutive beats occurred in 51.9% of neonates and 18.3% of infants, while it was rare at older ages (all p < 0.001). For TV, inversions in three consecutive beats occurred in 71.4% of neonates, while inversions in only one or two beats were more common in infants (27.3%). For TV, inversion in one or more beats, however, was not infrequent at all ages. Conclusions: We report normal values and patterns of normality and physiological variability for MV and TV inflow Doppler from a large population of healthy children.
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Lammers AE, Apitz C, Michel-Behnke I, Koestenberger M. A guide to echocardiographic assessment in children and adolescents with pulmonary hypertension. Cardiovasc Diagn Ther 2021; 11:1160-1177. [PMID: 34527541 DOI: 10.21037/cdt-21-119] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/23/2021] [Indexed: 12/14/2022]
Abstract
While the current definition of pulmonary hypertension (PH) is still based on haemodynamic variables, transthoracic echocardiography is the most important diagnostic clinical tool for the first assessment and evaluation of a patient, in whom PH is suspected. In addition, it is the most important clinical modality in long term follow-up and the utility of echocardiography has widely been demonstrated in patients with PH. Echocardiography not only reveals the underlying cardiac morphology and diagnosis of any associated cardiac defects. In most patients with PH right ventricular (RV) pressure estimation is feasible. In addition, ventricular systolic and diastolic function, as well as ventricular-ventricular interactions of both ventricles can be assessed by using echocardiography. Maximizing the use of echocardiography by reporting several measures to gain information and quantitatively describe the parameters, that are linked to prognosis, seem particularly appealing in these children, in whom other advanced imaging modalities requiring anaesthesia is associated with a considerable risk. Herein we provide a practical approach and a concise and clinically applicable echocardiographic guidance and present basic variables, which should be obtained at any assessment. Moreover, we present additional advanced echocardiographic measures, that can be applied in a research or clinical setting when progressive PH needs a deeper insight to assess heart function, estimation of pulmonary artery pressures among others, by echocardiography. Finally, clinically relevant studies in view of the prognostic properties with a focus on the most important echocardiographic variables in pediatric PH are summarized.
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Affiliation(s)
- Astrid E Lammers
- Pediatric Cardiology and Adult Congenital Heart Disease, University Hospital Münster, Münster, Germany
| | - Christian Apitz
- Pediatric Cardiology, University Children's Hospital Ulm, Ulm, Germany
| | - Ina Michel-Behnke
- Division of Pediatric Cardiology, University Hospital for Children and Adolescents, Pediatric Heart Centre Vienna, Medical University Vienna, Vienna, Austria
| | - Martin Koestenberger
- Division of Pediatric Cardiology and Pediatrics, Medical University Graz, Graz, Austria
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Ashrafi AH, Lai W, Gaffar S, Renella P. Normative Echocardiographic Values for Right and Left Ventricular Function in Extremely Premature Neonates. J Pediatr 2021; 236:34-39. [PMID: 34022248 DOI: 10.1016/j.jpeds.2021.05.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 01/10/2023]
Abstract
OBJECTIVE To identify the measures of biventricular function and surrogates of pulmonary vascular resistance that can be expected in relatively stable extremely premature neonates, and evaluate maturational changes in myocardial performance in this patient population. STUDY DESIGN This was a prospective observational study. Clinically stable extremely preterm newborns were divided into 3 cohorts based on gestational age: cohort 1 (240/7-256/7 weeks), cohort 2 (260/7-276/7 weeks), and cohort 3 (280/7-296/7 weeks). Serial echocardiograms were obtained on day of life 3-5, 7-10, and just prior to discharge. RESULTS In total, 46 subjects met the criteria aimed at capturing only the most clinically healthy and stable newborns less than 296/7 weeks of gestational age. Myocardial performance was reliably assessed by echocardiography with high inter-reader correlation. Normative values were identified for right ventricular function, left ventricular function, and surrogates of pulmonary vascular resistance. CONCLUSIONS Biventricular systolic performance is significantly different in the clinically stable extremely premature neonate when compared with healthy full-term newborns. All participants had evidence of poor biventricular compliance at birth which improved with maturation. Extreme prematurity does not appear to adversely affect myocardial functional maturation at the time of term corrected age and/or discharge.
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Affiliation(s)
- Amir H Ashrafi
- CHOC Children's Hospital, Orange, CA; University of California Irvine, Orange, CA.
| | - Wyman Lai
- CHOC Children's Hospital, Orange, CA; University of California Irvine, Orange, CA
| | - Sharib Gaffar
- CHOC Children's Hospital, Orange, CA; University of California Irvine, Orange, CA
| | - Pierangelo Renella
- CHOC Children's Hospital, Orange, CA; University of California Irvine, Orange, CA
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Leeuwis N, Pistone D, Flick N, van Bommel T. A Sound Prediction: EEG-Based Neural Synchrony Predicts Online Music Streams. Front Psychol 2021; 12:672980. [PMID: 34385953 PMCID: PMC8354316 DOI: 10.3389/fpsyg.2021.672980] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Abstract
Neuroforecasting predicts population-wide choices based on neural data of individuals and can be used, for example, in neuromarketing to estimate campaign successes. To deliver true value, the brain activity metrics should deliver predictive value above and beyond traditional stated preferences. Evidence from movie trailer research has proposed neural synchrony, which compares the similarity of brain responses across participants and has shown to be a promising tool in neuroforecasting for movie popularity. The music industry might also benefit from these increasingly accurate success predictors, but only one study has been forecasting music popularity, using functional magnetic resonance imaging measures. Current research validates the strength of neural synchrony as a predictive measure for popularity of music, making use of electroencephalogram to capture moment-to-moment neural similarity between respondents while they listen to music. Neural synchrony is demonstrated to be a significant predictor for public appreciation on Spotify 3 weeks and 10 months after the release of the albums, especially when combined with the release of a single. On an individual level, other brain measures were shown to relate to individual subjective likeability ratings, including Frontal Alpha Asymmetry and engagement when combined with the factors artist and single release. Our results show the predictive value of brain activity measures outperforms stated preferences. Especially, neural synchrony carries high predictive value for the popularity on Spotify, providing the music industry with an essential asset for efficient decision making and investments, in addition to other practical implications that include neuromarketing and advertising industries.
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Affiliation(s)
- Nikki Leeuwis
- Unravel Research, Utrecht, Netherlands
- Tilburg University, Tilburg, Netherlands
| | - Daniela Pistone
- Applied Cognitive Psychology, Utrecht University, Utrecht, Netherlands
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GarcÍa-Otero L, LÓpez M, GoncÉ A, Fortuny C, Salazar L, Valenzuela-Alcaraz B, Guirado L, CÉsar S, GratacÓs E, Crispi F. Cardiac remodeling and hypertension in HIV uninfected infants exposed in utero to antiretroviral therapy. Clin Infect Dis 2021; 73:586-593. [PMID: 33471090 DOI: 10.1093/cid/ciab030] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND We aimed to assess the postnatal pattern of cardiovascular remodeling associated with intrauterine exposure to maternal HIV and antiretroviral treatment (ART). METHODS Prospective cohort including 34 HIV-exposed uninfected (HEU) infants and 53 non-HIV-exposed infants evaluated from fetal life up to 6 months postnatally. A cardiovascular evaluation was performed including echocardiography, blood pressure and carotid intima media thickness (cIMT) measurement. RESULTS ART regimens during pregnancy included two nucleoside reverse transcriptase inhibitors (Abacavir+Lamivudine (32.4%), Emtricitabine+Tenofovir (41.2%) and Zidovudine+Lamivudine (20.6%)). At 6 months of age, HIV-exposed uninfected infants showed thicker myocardial walls (septal wall thickness mean 5.02 mm (SD 0.85) vs 3.98 mm (0.86); p<0.001) and relative systolic dysfunction with decreased mitral ring displacement (8.57 mm (2.03) vs 10.34 mm (1.84); p=0.002) and decreased tricuspid S' (9.71 cm/s (1.94) vs 11.54 cm/s (2.07); p=0.003) together with relative diastolic dysfunction showed by prolonged left isovolumic relaxation time (58.57 ms (13.79) vs 47.94 (7.39); p<0.001). Vascular assessment showed significantly higher systolic and diastolic blood pressure (102 mmHg (16.1) vs 80 mmHg (13.9); p<0.001 and 64 mmHg (14.4) vs 55 mmHg (10.2); p=0.045 respectively), with 50% of HIV-exposed children meeting criteria for hypertension vs 3.77% of the non-HIV-exposed group (p<0.001) and thicker mean cIMT in the HIV-exposed group (0.62 µm (0.09) vs 0.51 µm (0.09); p=0.015). CONCLUSIONS Subclinical cardiac impairment together with higher blood pressure and thicker cIMT were observed in HIV-exposed infants at 6 months of age. Half of them presented hypertension. Our findings support a possible increased cardiovascular risk in HIV uninfected infants exposed in utero to ART.
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Affiliation(s)
- Laura GarcÍa-Otero
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Marta LÓpez
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Anna GoncÉ
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Claudia Fortuny
- Pediatric Infectious Diseases Department, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain
| | - Laura Salazar
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Brenda Valenzuela-Alcaraz
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Laura Guirado
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Sergi CÉsar
- Department of Pediatric Cardiology, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain
| | - Eduard GratacÓs
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Fátima Crispi
- Fetal Medicine Research Center, BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), Institut Clinic de Ginecologia, Obstetricia i Neonatologia (ICGON), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
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11
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Meinel K, Koestenberger M, Sallmon H, Hansmann G, Pieles GE. Echocardiography for the Assessment of Pulmonary Hypertension and Congenital Heart Disease in the Young. Diagnostics (Basel) 2020; 11:diagnostics11010049. [PMID: 33396225 PMCID: PMC7823322 DOI: 10.3390/diagnostics11010049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 12/18/2022] Open
Abstract
While invasive assessment of hemodynamics and testing of acute vasoreactivity in the catheterization laboratory is the gold standard for diagnosing pulmonary hypertension (PH) and pulmonary vascular disease (PVD) in children, transthoracic echocardiography (TTE) serves as the initial diagnostic tool. International guidelines suggest several key echocardiographic variables and indices for the screening studies when PH is suspected. However, due to the complex anatomy and special physiological considerations, these may not apply to patients with congenital heart disease (CHD). Misinterpretation of TTE variables can lead to delayed diagnosis and therapy, with fatal consequences, or–on the other hand-unnecessary invasive diagnostic procedures that have relevant risks, especially in the pediatric age group. We herein provide an overview of the echocardiographic workup of children and adolescents with PH with a special focus on children with CHD, such as ventricular/atrial septal defects, tetralogy of Fallot or univentricular physiology. In addition, we address the use of echocardiography as a tool to assess eligibility for exercise and sports, a major determinant of quality of life and outcome in patients with PH associated with CHD.
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Affiliation(s)
- Katharina Meinel
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, 8036 Graz, Austria; (K.M.); (M.K.)
- European Pediatric Pulmonary Vascular Disease Network, 13125 Berlin, Germany; (H.S.); (G.H.)
| | - Martin Koestenberger
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, 8036 Graz, Austria; (K.M.); (M.K.)
- European Pediatric Pulmonary Vascular Disease Network, 13125 Berlin, Germany; (H.S.); (G.H.)
| | - Hannes Sallmon
- European Pediatric Pulmonary Vascular Disease Network, 13125 Berlin, Germany; (H.S.); (G.H.)
- Department of Pediatric Cardiology, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
- Department of Congenital Heart Disease/Pediatric Cardiology, Deutsches Herzzentrum Berlin (DHZB), 13353 Berlin, Germany
| | - Georg Hansmann
- European Pediatric Pulmonary Vascular Disease Network, 13125 Berlin, Germany; (H.S.); (G.H.)
- Department of Pediatric Cardiology and Critical Care, Hannover Medical School, 30625 Hannover, Germany
| | - Guido E. Pieles
- European Pediatric Pulmonary Vascular Disease Network, 13125 Berlin, Germany; (H.S.); (G.H.)
- National Institute for Health Research (NIHR) Cardiovascular Biomedical Research Centre, Congenital Heart Unit, Bristol Royal Hospital for Children and Bristol Heart Institute, Bristol BS2 8HW, UK
- Institute of Sport Exercise and Health (ISEH), University College London, London W1T 7HA, UK
- Correspondence:
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12
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Normal reference values for left atrial strains and strain rates in school children assessed using two-dimensional speckle-tracking echocardiography. Heart Vessels 2020; 35:1270-1280. [DOI: 10.1007/s00380-020-01594-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/27/2020] [Indexed: 12/12/2022]
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13
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Abstract
We reviewed the recent literature for echocardiographic assessment of mitral valve abnormalities in children. A literature search was performed within the National Library of Medicine using the keywords "mitral regurgitation and/or stenosis, children." The search was refined by adding the keywords "echocardiographic definition, classification, and evaluation." Thirty-one studies were finally included. Significant advances in echocardiographic imaging of mitral valve defects, mainly due to the implementation of three-dimensional technology, contribute to a better understanding of the underlying anatomy. However, heterogeneity between classification systems of mitral valve disease severity is a serious problem. For regurgitant lesions, there is only very limited evidence from small studies that support the adoption of quantitative/semi-quantitative indexes commonly employed in adults. Despite the lack of evidence base, qualitative evaluation of regurgitation severity is often employed. For stenotic lesions, no clear categorisation based on trans-valvular echocardiography-derived "gradients" has been consistently applied to define mild, moderate, or severe obstruction across different paediatric age ranges. Quantitative parameters such as valve area have also been poorly validated in children. Adult recommendations are frequently applied without validation for the paediatric age. In conclusion, significant advances in the anatomical evaluation of mitral valve diseases have been made, thanks to three-dimensional echocardiography; however, limitations remain in the quantitative/semi-quantitative estimation of disease severity, both with respect to valvular regurgitation and stenosis. Because adult echocardiographic recommendations should not be simply translated to the paediatric age, more specific paediatric guidelines and standards for the assessment of mitral valve diseases are needed.
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14
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Ahmadipour S, Mohsenzadeh A, Soleimaninejad M. Echocardiographic Evaluation in Neonates with Heart Murmurs. J Pediatr Intensive Care 2019; 7:81-85. [PMID: 31073475 DOI: 10.1055/s-0037-1612614] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Accepted: 11/02/2017] [Indexed: 12/29/2022] Open
Abstract
Auscultation of the heart is one of the most important tools of physical examination in neonates, which is very helpful in the diagnosis or rejection of congenital heart diseases (CHDs). The aim of this study is to investigate the causes of heart murmur in neonates hospitalized in neonatal unit in Imam Reza Hospital, Kermanshah, Iran. This cross-sectional study was conducted within the period of 18 months on neonates hospitalized in neonatal unit whose heart murmur, diagnosed through examination, and echocardiography was conducted to investigate the existence of CHD. In 62.1% of the cases, murmuring was auscultated within the first week after birth. Among 172 neonates with heart murmur, 25 subjects (14.5%) had normal echocardiogram, and others had abnormal echocardiogram in which ventricular septal defect (31.4%) was the most common CHD. Patent ductus arteriosus (23.3%) was the second common CHD found. Other defects were atrial septal defect, persistent foramen ovale, pulmonary stenosis, and tricuspid regurgitation. Among the neonates with CHD, 55 subjects were females and 92 cases were males. There was CHD history in previous siblings in 10 cases. In 73 neonates with CHD, the mother had not taken folic acid in the first trimester of pregnancy. A total of 14.5% of the hospitalized neonates suffered from innocent murmur, and the rest with heart murmur had abnormal echocardiography and suffered from CHD (85.5%). Heart murmur in neonates could be a symptom of CHD, and timely echocardiography is very important in diagnosing the type of disease.
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Affiliation(s)
- Shokoufeh Ahmadipour
- Department of Pediatrics, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.,Department of Pediatrics Gastroenterology and Hepatology Research Center, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Azam Mohsenzadeh
- Department of Pediatrics, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Maryam Soleimaninejad
- Student Research Committee, Lorestan University of Medical Sciences, Khorramabad, Iran
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15
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Díaz A, Zócalo Y, Bia D. Percentile curves for left ventricle structural, functional and haemodynamic parameters obtained in healthy children and adolescents from echocardiography-derived data. J Echocardiogr 2019; 18:16-43. [PMID: 30927161 DOI: 10.1007/s12574-019-00425-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/24/2019] [Accepted: 03/19/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Transthoracic echocardiography is the most common non-invasive technique for the study of the left ventricle (LV) and the proximal aorta. Despite the clinical value, there is scarcity of data about reference intervals (RIs) and percentiles for thoracic aorta dimension and LV structural and functional parameters, obtained from population-based studies in children and adolescents. The aim was to generate RIs for LV, haemodynamic and thoracic aorta parameters obtained from transthoracic echocardiography in healthy children, adolescents and young adults from a South-American population. METHODS One thousand ninety-five healthy subjects (5-24 years) were studied (M-mode, B-mode and Doppler echocardiography). RESULTS RIs for LV structural (diameters, volumes and wall thickness) and functional (stroke volume, cardiac output, cardiac index, transmitral E and A flow waves velocities) parameters; systemic vascular resistance and aortic root diameter were obtained using parametric regression analyzes based on fractional polynomials. Covariate analysis (i.e., adjusting for age, body surface) showed that specific sex-specific RIs were necessary. Then, age, body height (BH), body weight (BW), body surface area (BSA), and sex-specific 1st, 2.5th, 5th, 10th, 25th, 50th, 75th, 90th, 95th, 97.5th and 99th percentiles were obtained. Our results were in agreement with and complimentary to available international databases. CONCLUSION This study provides RIs for echocardiography-derived haemodynamic, LV (structural and functional) and aortic parameters in children, adolescents and young adults considering data obtained from the largest Argentinean database. In early stages of life an adequate interpretation of echocardiography-derived LV and aortic parameters requires considering age, BH, BW, BSA and/or sex-specific RIs.
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Affiliation(s)
- Alejandro Díaz
- Instituto de Investigación en Ciencias de La Salud, UNICEN-CONICET, 4 de Abril 618, 7000, Tandil, Buenos Aires Province, Argentina.
| | - Yanina Zócalo
- Physiology Department, School of Medicine, Centro Universitario de Investigación, Innovación y Diagnóstico Arterial (CUiiDARTE), Republic University, General Flores 2125, 11800, Montevideo, Uruguay
| | - Daniel Bia
- Physiology Department, School of Medicine, Centro Universitario de Investigación, Innovación y Diagnóstico Arterial (CUiiDARTE), Republic University, General Flores 2125, 11800, Montevideo, Uruguay
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16
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Abstract
Obesity is a global health issue in both children and adults. Besides its comorbidities, cardiac structure and functions may be impaired from childhood if obesity is not controlled in the growing years. The effects of diet and exercise on the cardiovascular functions and biochemical parameters of obese children were evaluated in this study.In a tertiary hospital, 6-16-year-old of mean age 10.8±2.3 years, non-random voluntarily selected 34 obese children with body mass index above 95th percentile and no syndromic or systemic illnesses were enrolled in this prospective study. Weights, heights, and blood pressures were recorded. Cardiac functions were evaluated by M-mode and tissue Doppler echocardiography. Glucose, HbA1c, cholesterol, triglyceride, liver enzyme, and thyroid hormone levels were analysed. These measurements were repeated after a 6-month diet and exercise programme. The results were compared statistically.Echocardiography of the obese children after diet and exercise showed significantly increased ejection fraction, fractional shortening, mitral annular plane systolic excursion and mitral systolic velocity values, associated with the systolic ventricular functions, and decreased tissue Doppler mitral and tricuspid early diastolic velocities, related with the early diastolic ventricular functions, compared with before diet and exercise (p<0.05). Moreover, the body mass index, glucose, cholesterol, and triglyceride levels significantly decreased after diet and exercise (p<0.05).The systolic and early diastolic cardiac functions are impaired and the biochemical parameters are distorted starting from the childhood because of the obesity. Regular diet and exercise provide significant improvement. Cardiac evaluation should be routinely performed in all obese children and they should be encouraged for a regular diet and exercise for better cardiovascular health.
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Hope KD, Wang Y, Banerjee MM, Montero AE, Pandian NG, Banerjee A. Left atrial mechanics in children: insights from new applications of strain imaging. Int J Cardiovasc Imaging 2018; 35:57-65. [DOI: 10.1007/s10554-018-1429-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/30/2018] [Indexed: 10/28/2022]
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18
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van Ark AE, Molenschot MC, Wesseling MH, de Vries WB, Strengers JLM, Adams A, Breur JMPJ. Cardiac Valve Annulus Diameters in Extremely Preterm Infants: A Cross-Sectional Echocardiographic Study. Neonatology 2018; 114:198-204. [PMID: 29940560 PMCID: PMC6191879 DOI: 10.1159/000488387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 03/13/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND With the increasing incidence of births of very preterm very-low-birth-weight infants, there is a demand for echocardiographic reference values of cardiac dimensions. OBJECTIVES The aim of this study was to provide reference values of cardiac valve annulus diameters in a cohort of extremely preterm very-low-birth-weight neonates and to correlate these with patient characteristics. METHODS Valve diameters of 376 infants of < 32 weeks' gestation and with a birth weight of ≤2,000 g were measured using 2-dimensional echocardiography. Correlations between valve diameters and patient characteristics (birth length/weight, body surface area, gestational age, and sex) were assessed. Birth weight was used to establish linear regression models. Inter- and intraobserver agreement was assessed through intraclass correlation coefficient (ICC) analysis. RESULTS Substantial variability was found (aortic valve mean [standard deviation; range]: 5.0 mm [0.6; 3.7-6.5]; pulmonic valve: 5.8 mm [0.8; 3.4-7.9]; mitral valve: 8.0 mm [1.0; 5.5-10.5]; tricuspid valve: 7.6 mm [1.2; 4.9-10.6]). There was a moderate correlation between birth weight and valve diameter (R2 aortic valve: 0.36; pulmonic valve: 0.20; mitral valve: 0.24; tricuspid valve: 0.24). Adequate intraobserver (ICC range 0.74-0.91) and interobserver agreement (ICC range 0.77-0.89) was found. CONCLUSIONS Our study provides ready-to-use reference values for cardiac valve annulus diameters for extremely preterm infants.
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Affiliation(s)
- Allard E van Ark
- Department of Pediatric Cardiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Mirella C Molenschot
- Department of Pediatric Cardiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Maria H Wesseling
- Department of Pediatric Cardiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Willem B de Vries
- Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jan L M Strengers
- Department of Pediatric Cardiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Arthur Adams
- Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Johannes M P J Breur
- Department of Pediatric Cardiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands
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19
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Dallaire F, Sarkola T. Growth of Cardiovascular Structures from the Fetus to the Young Adult. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1065:347-360. [PMID: 30051395 DOI: 10.1007/978-3-319-77932-4_22] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The size, hemodynamics, and function of cardiovascular structures change dramatically from the early fetal life to late adolescence. The principal determinants of cardiovascular dimensions are related to the blood flow needed to meet metabolic demands. This demand is in turn tightly related to body size and body composition, keeping in mind that various tissues may have different metabolic rates. There is no simple model that links cardiac dimensions with a single body size measurement. Consequently, despite abundant scientific literature, few studies have proposed pediatric reference values that efficiently and completely account for the effect of body size. Other factors influence cardiovascular size and function in children, including sex. The influence of sex is multifactorial and not fully understood, but differences in body size and body composition play an important role. We will first review the determinants of cardiovascular size and function in children. We then explore the evaluation and normalization of cardiovascular size and function in pediatric cardiology in relation to the growth of cardiovascular structures during childhood, with a particular focus on sex differences.
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Affiliation(s)
| | - Taisto Sarkola
- University of Helsinki, the Helsinki University Central Hospital/Children's Hospital, Helsinki, Finland
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20
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Cantinotti M, Giordano R, Corsini I, Dani C, Scalese M, Murzi B, Assanta N, Spadoni I, Molinaro S, Kutty S, Iervasi G, Franchi E. Echocardiographic nomograms for upper abdominal aorta Doppler systolic wave values and systo-diastolic diameters variations in children. J Cardiol 2017; 71:394-400. [PMID: 29129395 DOI: 10.1016/j.jjcc.2017.09.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 09/21/2017] [Accepted: 09/25/2017] [Indexed: 11/27/2022]
Abstract
BACKGROUND Abdominal aorta pulsatility and blood flow patterns are important diagnostic indicators in congenital heart disease. Reference values for these indexes are lacking. METHODS We prospectively studied abdominal aorta pulsed-wave Doppler systolic peak velocity, deceleration time, and wave duration, and two-dimensional vessel diameters in systole and diastole in healthy Caucasian children. Heteroscedasticity was accounted for by White or Breusch-Pagan test. Age, weight, height, heart rate (HR), and body surface area (BSA) were used as independent variables in different analyses to predict the mean values of each measurement. Structured Z-scores were then computed. RESULTS In all, 853 subjects (age 0 days to 17 years; 45% females; BSA 0.12-2.12m2) were studied. The predicted values and Z-score boundaries are presented. Data are also presented as mean±2 SDs for a given BSA. CONCLUSIONS We report paediatric echocardiographic nomograms for multiple proximal abdominal aorta parameters including pulsed-wave Doppler systolic velocities, deceleration time, wave duration, and two-dimensional vessel diameter variations. Significant variations in these functional indexes with age were found that should be taken into account in clinical practice. At lower ages, steeper and shorter pulsed-wave Doppler peak velocity and limited pulsatility should be expected as physiologic findings.
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Affiliation(s)
- Massimiliano Cantinotti
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy; Institute of Clinical Physiology, Pisa, Italy
| | - Raffaele Giordano
- Adult and Pediatric Cardiac Surgery, University of Naples Federico II, Naples, Italy.
| | - Iuri Corsini
- Division of Neonatology, Careggi University Hospital of Florence, Florence, Italy
| | - Carlo Dani
- University of Florence, Department of Neurosciences, Psychology, Drug Research and Child Health, Careggi University Hospital of Florence, Italy
| | | | - Bruno Murzi
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy
| | - Nadia Assanta
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy
| | - Isabella Spadoni
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy
| | | | - Shelby Kutty
- University of Nebraska Medical Center and Children's Hospital and Medical Center, Omaha, NE, USA
| | - Giorgio Iervasi
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy; Institute of Clinical Physiology, Pisa, Italy
| | - Eliana Franchi
- Fondazione G. Monasterio CNR-Regione Toscana, Massa and Pisa, Italy
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21
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Cantinotti M, Assanta N, Crocetti M, Spadoni I, Iervasi G. Challenges in Interpreting Pediatric Normative Left Ventricular Strain Data and the Quest for Comprehensive Deformation Nomograms. J Am Soc Echocardiogr 2016; 29:567-8. [DOI: 10.1016/j.echo.2016.03.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Indexed: 01/23/2023]
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