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Pawar SG, Saravanan PB, Gulati S, Pati S, Joshi M, Salam A, Khan N. Study the relationship between left atrial (LA) volume and left ventricular (LV) diastolic dysfunction and LV hypertrophy: Correlate LA volume with cardiovascular risk factors. Dis Mon 2024; 70:101675. [PMID: 38262769 DOI: 10.1016/j.disamonth.2024.101675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Heart failure (HF) with normal ejection fraction - the isolated diastolic heart failure, depicts increasing prevalence and health care burden in recent times. Having less mortality rate compared to systolic heart failure but high morbidity, it is evolving as a major cardiac concern. With increasing clinical use of Left atrial volume (LAV) quantitation in clinical settings, LAV has emerged as an important independent predictor of cardiovascular outcome in HF with normal ejection fraction. This article is intended to review the diastolic and systolic heart failure, their association with left atrial volume, in depth study of Left atrial function dynamics with determinants of various functional and structural changes.
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Affiliation(s)
| | | | | | | | - Muskan Joshi
- Tbilisi State Medical University, Tbilisi, Georgia
| | - Ajal Salam
- Government Medical College, Kottayam, Kerala, India
| | - Nida Khan
- Jinnah Sindh Medical University, Karachi, Pakistan
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Castaldi B, Santoro G, Di Candia A, Marchese P, Cantinotti M, Pizzuto A, Scalera S, Garibaldi S, Fumanelli J, Sirico D, Di Salvo G. Impact of Gore Cardioform Atrial Septal Defect Occluder on Atrial and Ventricular Electromechanics in a Pediatric Population. Am J Cardiol 2024; 211:259-267. [PMID: 37984644 DOI: 10.1016/j.amjcard.2023.11.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/17/2023] [Accepted: 11/11/2023] [Indexed: 11/22/2023]
Abstract
Transcatheter closure is the first-line treatment for ostium secundum atrial septal defect (ASD). The GORE Cardioform ASD Occluder (GCA) is potentially innovative compared with other self-centering devices. This study aimed to compare the mechanic changes in atrial and ventricular properties before and after GCA implantation. All consecutive patients aged <18 years who underwent isolated ASD closure with a single GCA device were enrolled from 2 centers. Echocardiography and electrocardiogram were performed the day before, 24 hours, and 6 months after ASD closure. Between January 2020 and February 2021, 70 pediatric patients with ASD were enrolled. The mean age was 7.9 ± 3.9 years, and the mean defect diameter was 17.1 ± 4.5 mm. Global longitudinal strain analysis showed no change in left ventricular longitudinal function (T0 -23.2 ± 2.8%, 24 hours -23.0 ± 2.8%, and 6 months -23.5 ± 2.7%). An early and transient reduction in longitudinal strain was detected in the basal septal segments (T0 -19.8 ± 3.3%, 24 hours -18.7 ± 3.6%, and 6 months -19.2 ± 3.4%), left atrium (T0 41.4 ± 15.3%, 29.2 ± 1.4%, and 39.0 ± 12.9%), and right ventricle (-27.6 ± 5.4%, -23.6 ± 5.0%, and -27.3 ± 4.6) 24 hours after closure, secondary to hemodynamic changes because of flow redirection after ASD closure. Six months after the procedure, only the left atrium showed a mild global longitudinal strain reduction because of the presence of the device within the septum. GCA device had no impact on global and regional ventricular function. Atrial mechanics were preserved, except for the segments covered by the device. This is the first device demonstrating no impact on the left and right ventricular mechanics, irrespective of the device size.
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Affiliation(s)
- Biagio Castaldi
- Pediatric Cardiology Unit, Department of Women's and Children's Health, Univesity of Padua, Italy.
| | - Giuseppe Santoro
- Pediatric Cardiology Unit, Fondazione Toscana Gabriele Monasterio, Massa, Italy
| | - Angela Di Candia
- Pediatric Cardiology Unit, Department of Women's and Children's Health, Univesity of Padua, Italy
| | - Pietro Marchese
- Pediatric Cardiology Unit, Fondazione Toscana Gabriele Monasterio, Massa, Italy
| | | | - Alessandra Pizzuto
- Pediatric Cardiology Unit, Fondazione Toscana Gabriele Monasterio, Massa, Italy
| | - Silvia Scalera
- Pediatric Cardiology Unit, Fondazione Toscana Gabriele Monasterio, Massa, Italy
| | - Silvia Garibaldi
- Pediatric Cardiology Unit, Fondazione Toscana Gabriele Monasterio, Massa, Italy
| | - Jennifer Fumanelli
- Pediatric Cardiology Unit, Department of Women's and Children's Health, Univesity of Padua, Italy
| | - Domenico Sirico
- Pediatric Cardiology Unit, Department of Women's and Children's Health, Univesity of Padua, Italy
| | - Giovanni Di Salvo
- Pediatric Cardiology Unit, Department of Women's and Children's Health, Univesity of Padua, Italy
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Poonia A, Giridhara P, Sivasubramonian S, Krishnamoorthy KM, Abhilash SP, Ajitkumar VK. Venous flow patterns after percutaneous atrial septal defect closure: Does the mechanical device decrease right atrial compliance? Echocardiography 2020; 37:337-346. [PMID: 32112483 DOI: 10.1111/echo.14598] [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: 03/29/2019] [Revised: 08/24/2019] [Accepted: 01/10/2020] [Indexed: 11/27/2022] Open
Abstract
INTRODUCTION Systemic venous flow patterns become abnormal and restrictive after surgical closure of ostium secundum atrial septal defect (ASD) but rarely studied after percutaneous device closure. METHODS From January 2017 to January 2018, systemic venous Doppler flow patterns were documented prospectively in 50 subjects who underwent percutaneous closure of ASD, prior to, after procedure, and at 6-month follow-up and correlated with defect size and device size. RESULTS In hepatic veins and superior venacava post device-closure closure, the velocity time integral (VTI) of forward flow in both systole (S) and diastole (D) increased. Overall S was higher than D, and D/S ratio was <1. The D/S ratio increased after device closure significantly reflecting that the improvement in atrial filling increase in diastolic flow more than the increase in systolic flow. Increase in flow velocities was more prominent at 6 months with further increase in D/S VTI ratios. When correlated with the defect size, in those with defect size less than 15 mm/sq.m (mean device size 13.05 ± 3.21 mm), the changes in S- or D-wave, D/S ratio were less prominent and statistically not significant, while in subjects with defect size ≥ 15 mm/sq.m (mean device size 23.02 (±4.77 mm), these changes were greater and statistical significant. CONCLUSION Residual filling defects with restriction of systolic venous flow were observed in subjects after device closure, correlating with larger device sizes, implying the compliance abnormality conferred by them which progresses at 6 months. Subjects with persistent abnormalities would need careful follow up for incomplete remodeling and increase in atrial size related arrhythmias.
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Affiliation(s)
- Amitabh Poonia
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Priya Giridhara
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Sivasankaran Sivasubramonian
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Kavassery M Krishnamoorthy
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Sreevilasam P Abhilash
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Valaparambil K Ajitkumar
- Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
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Hajizeinali A, Iri M, Hosseinsabet A. Assessment of the Right and Left Atrial Functions at Midterm After Surgical and Device Atrial Septal Defect Closure: A 2-Dimensional Speckle-Tracking Echocardiographic Study. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2019; 38:1979-1993. [PMID: 30570151 DOI: 10.1002/jum.14887] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 11/08/2018] [Indexed: 06/09/2023]
Abstract
OBJECTIVES The available literature lacks data on the comparison of the functions of the right atrium (RA) and left atrium (LA) between surgical atrial septal defect (ASD) closure and percutaneous device ASD closure at follow-up durations of longer than 1 year. We sought to evaluate the RA and LA functions in patients who underwent surgical or device ASD closure between 1 and 5 years postprocedurally. METHODS The study population included 30 patients who underwent device ASD closure and 30 who underwent surgical ASD closure, who were matched for the procedural time, age, and sex, in addition to 30 control participants. The RA and LA functions were evaluated with 2-dimensional speckle-tracking echocardiography. RESULTS The LA systolic and early diastolic strain and strain rate values and the RA early diastolic strain rate in the device closure group were more likely to be abnormal than in the control group. The RA systolic and late diastolic strain and strain rate values, the RA early diastolic strain rate, and the LA early diastolic strain in the surgical closure group were more likely to be abnormal than in the control group. The RA systolic strain and strain rate in the surgical closure group were more likely to be abnormal than in the device closure group. CONCLUSIONS The LA reservoir and conduit functions and the RA contraction function in the patients who underwent device ASD closure and all of the RA functions and the LA conduit function in the patients who underwent surgical ASD closure were more likely to be abnormal than those in the control participants. The RA reservoir function in the surgical closure group was more likely to be abnormal than that in the device closure group.
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Affiliation(s)
- Alimohammad Hajizeinali
- Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Iri
- Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hosseinsabet
- Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
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Shvartz VA, Kiselev AR, Bockeria OL. Heart rate variability in atrial septal defect both before and after operation. COR ET VASA 2019. [DOI: 10.1016/j.crvasa.2018.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Long term evaluation of electromechanical delay in patients with atrial septal defect after transcatheter closure. Int J Cardiovasc Imaging 2018; 35:33-39. [PMID: 30062536 DOI: 10.1007/s10554-018-1426-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 07/26/2018] [Indexed: 10/28/2022]
Abstract
Some studies have been showed that electromechanical delay, which may pose an increased tendency to atrial fibrillation, may prolong in patients with various clinical conditions. In addition, the electromechanical delay in patients with secundum type atrial septal defect (ASD) compared to healthy people have been reported previously. Therefore, in the present study, we prospectively evaluated the mid-term and long-term effects of the transcatheter closure of secundum type ASD on the lateral atrial conduction time (PA), septal PA, tricuspid PA, left and right intra-atrial electromechanical delay (ILeft-EMD and IRight-EMD, respectively) and inter-atrial electromechanical delay (IA-EMD) measured by means of Doppler echocardiography. Our prospective study included a total of 45 secundum type ASD patients who undergone percutaneous transcatheter closure from December 2012 to April 2015. All patients underwent transthoracic echocardiography (TTE) before the closure, at sixth and twelfth months after the closure. In comparison of the EMD sixth months after the device closure, there were statistically significant decrease in lateral PA, septal PA, tricuspid PA, ILeft-EMD, IRight-EMD and IA-EMD compared to pre-device closure values. Twelfth months after the device closure, we also observed statistically significant decrease in lateral PA, septal PA, tricuspid PA, ILeft-EMD, IRight-EMD and IA-EMD compared to 6-month post-device closure values. In the present study, we observed that the atrial EMD improves after device closure and continues to improve after twelfth month following post-device closure.
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Yoo BW, Kim JO, Eun LY, Choi JY, Kim DS. Time course of the changes in right and left ventricle function and associated factors after transcatheter closure of atrial septal defects. CONGENIT HEART DIS 2017; 13:131-139. [DOI: 10.1111/chd.12541] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 09/06/2017] [Accepted: 09/10/2017] [Indexed: 11/27/2022]
Affiliation(s)
- Byung W. Yoo
- Department of Clinical Pharmacology, Clinical Trial Center, Severance Hospital; Yonsei University College of Medicine; Seoul Korea
| | - Jung O. Kim
- Division of Pediatric Cardiology, Department of Pediatrics; Yonsei University College of Medicine; Seoul Korea
| | - Lucy Y. Eun
- Division of Pediatric Cardiology, Department of Pediatrics; Yonsei University College of Medicine; Seoul Korea
| | - Jae Y. Choi
- Division of Pediatric Cardiology, Department of Pediatrics; Yonsei University College of Medicine; Seoul Korea
| | - Dong S. Kim
- Department of Pediatrics, Severance Children's Hospital; Yonsei University College of Medicine; Seoul Korea
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Howley LW, Khoo NS, Moon-Grady AJ, Patel SS, Alrais F, Tworetzky W, Colen T, Brooks P, Trines J, Ojala T, Hornberger LK. Right Atrial Dysfunction in the Fetus with Severely Regurgitant Tricuspid Valve Disease: A Potential Source of Cardiovascular Compromise. J Am Soc Echocardiogr 2017; 30:579-588. [DOI: 10.1016/j.echo.2017.01.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Indexed: 11/28/2022]
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Ko HK, Yu JJ, Cho EK, Kang SY, Seo CD, Baek JS, Kim YH, Ko JK. Segmental Analysis of Right Ventricular Longitudinal Deformation in Children before and after Percutaneous Closure of Atrial Septal Defect. J Cardiovasc Ultrasound 2014; 22:182-8. [PMID: 25580192 PMCID: PMC4286639 DOI: 10.4250/jcu.2014.22.4.182] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/23/2014] [Accepted: 11/27/2014] [Indexed: 01/11/2023] Open
Abstract
Background The aim of study is to identify the dependence of right ventricular (RV) free wall longitudinal deformation on ventricular loading through segmental approach in relatively large number of patients with atrial septal defect (ASD). Methods Patients with ASD (n = 114) and age matched healthy children (n = 60) were echocardiographically examined the day before percutaneous device closure and within 24 hours afterwards. RV free wall deformation parameters, strain (є) and strain rate (SR), were analyzed in the apical (єA, SRA) and basal (єB, SRB) segments. Measured deformation parameters were adjusted for RV size (єAL, SRAL, єBL, SRBL) by multiplying by body surface area indexed RV longitudinal dimension. Regression analyses determined the relationships of these deformation parameters with RV loading parameters that were measured by catheterization. Results єBL and SRBL were not different between pre-closure patients and controls (p = 0.245, p = 0.866), and were decreased post-closure (p = 0.001, p = 0.018). Post-closure єBL was lower than in controls (p = 0.001). Pre-closure єAL and SRAL were higher than in controls (p = 0.001, p < 0.001), but decreased after closure (all p < 0.001). The pulmonary to systemic flow ratio was related to procedural differences of єBL (p = 0.017) and of SRBL (p = 0.019). RV end diastolic pressure was negatively related to post-closure єBL (p = 0.020) and post-closure SRBL (p = 0.012), and the procedural SRBL difference (p = 0.027). Conclusion The longitudinal deformation of the RV basal segment is dependent and its remodeling is also dependent on volume loading in children with ASD.
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Affiliation(s)
- Hong Ki Ko
- Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea
| | - Jeong Jin Yu
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - Eun Kyung Cho
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - So Yeon Kang
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - Chang Deok Seo
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - Jae Suk Baek
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - Young-Hwue Kim
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
| | - Jae-Kon Ko
- Division of Pediatric Cardiology, College of Medicine, University of Ulsan, Seoul, Korea
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Ermis P, Franklin W, Mulukutla V, Parekh D, Ing F. Left Ventricular Hemodynamic Changes and Clinical Outcomes after Transcatheter Atrial Septal Defect Closure in Adults. CONGENIT HEART DIS 2014; 10:E48-53. [DOI: 10.1111/chd.12204] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/09/2014] [Indexed: 12/01/2022]
Affiliation(s)
- Peter Ermis
- Department of Pediatric Cardiology; Texas Children's Hospital; Baylor College of Medicine; Houston Tex USA
| | - Wayne Franklin
- Department of Pediatric Cardiology; Texas Children's Hospital; Baylor College of Medicine; Houston Tex USA
| | - Venkatachalam Mulukutla
- Department of Pediatric Cardiology; Texas Children's Hospital; Baylor College of Medicine; Houston Tex USA
| | - Dhaval Parekh
- Department of Pediatric Cardiology; Texas Children's Hospital; Baylor College of Medicine; Houston Tex USA
| | - Frank Ing
- Department of Pediatric Cardiology; Children's Hospital of Los Angeles; Los Angeles Calif USA
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Cakal S, Eroglu E, Baydar O, Cakal B, Yazicioglu MV, Bulut M, Dundar C, Tigen K, Ozkan B, Acar G, Avci A, Esen AM. Two-dimensional strain and strain rate imaging of the left atrium and left ventricle in adult patients with atrial septal defects before and after the later stage of percutaneous device closure. Echocardiography 2014; 32:470-4. [PMID: 25059711 DOI: 10.1111/echo.12693] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
AIM Atrial septal defect (ASD) causes chronic volume overload of the right heart. The potential adverse effects of this long-standing volume overload to left atrium (LA) and left ventricle (LV) and their response to ASD closure has been poorly studied. METHODS We studied 20 ASD patients before the procedure, at the 24-hour and 1 month following the percutaneous closure. Twenty age-matched controls served as the control group. The analysis for atrial deformation was performed on the lateral wall, mid segment of the LA from apical four-chamber view. Peak longitudinal strain (S) and strain rate (SR) during LA reservoir, passive emptying, atrial contraction phases and LV global longitudinal systolic S and SR were measured. RESULTS Peak S and SR at LA reservoir, conduit and late contraction phases in ASD patients were similar to controls. All of these parameters increased immediately after the closure of the defect. Similarly, SLV and SRLV in ASD patients were not significantly different from the controls and significantly increased after the closure. But LA S, SR and LV S, SR results decreased in 1 month after the closure. SLV in ASD patients was significantly correlated with echocardiographic findings and the invasively measured defect size. CONCLUSION LA and LV S and SR are not significantly affected in ASD patients. However, correction of the long-standing volume overload by percutaneous closure causes an early increase in LA and LV longitudinal deformation that correlates with the magnitude of the atrial septal defect. But this increase decreased in 1 month after closure.
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Affiliation(s)
- Sinem Cakal
- Department of Cardiology, Kartal Kosuyolu Yuksek Ihtisas Heart and Research Hospital, Istanbul, Turkey
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Marcondes LD, Galati JC, Jones BO, Konstantinov IE, d’Udekem Y, Brizard CP, Cheung MM. Abnormal left ventricular diastolic function at late follow-up after repair of total anomalous pulmonary venous drainage: The impact of altered ventricular loading in utero. J Thorac Cardiovasc Surg 2014; 148:238-44. [DOI: 10.1016/j.jtcvs.2013.08.045] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2013] [Revised: 07/24/2013] [Accepted: 08/16/2013] [Indexed: 11/30/2022]
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Vieira MJ, Teixeira R, Gonçalves L, Gersh BJ. Left atrial mechanics: echocardiographic assessment and clinical implications. J Am Soc Echocardiogr 2014; 27:463-78. [PMID: 24656882 DOI: 10.1016/j.echo.2014.01.021] [Citation(s) in RCA: 178] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Indexed: 12/20/2022]
Abstract
The importance of the left atrium in cardiovascular performance has long been acknowledged. Quantitative assessment of left atrial (LA) function is laborious, requiring invasive pressure-volume loops and thus precluding its routine clinical use. In recent years, novel postprocessing imaging methodologies have emerged, providing a complementary approach for the assessment of the left atrium. Atrial strain and strain rate obtained using either Doppler tissue imaging or two-dimensional speckle-tracking echocardiography have proved to be feasible and reproducible techniques to evaluate LA mechanics. It is essential to fully understand the clinical applications, advantages, and limitations of LA strain and strain rate analysis. Furthermore, the technique's prognostic value and utility in therapeutic decisions also need further elucidation. The aim of this review is to provide a critical appraisal of LA mechanics. The authors describe the fundamental concepts and methodology of LA strain and strain rate analysis, the reference values reported with different imaging techniques, and the clinical implications.
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Affiliation(s)
- Maria J Vieira
- Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal
| | - Rogério Teixeira
- Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal; Departamento de Medicina, Serviço de Cardiologia, Hospital Beatriz Ângelo, Loures, Portugal.
| | - Lino Gonçalves
- Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal; Serviço de Cardiologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Bernard J Gersh
- Division of Cardiovascular Disease and Internal Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota
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Kadappu KK, Kuncoro AS, Hee L, Aravindan A, Spicer ST, Suryanarayanan G, Xuan W, Boyd A, French JK, Thomas L. Chronic kidney disease is independently associated with alterations in left atrial function. Echocardiography 2014; 31:956-64. [PMID: 24447093 DOI: 10.1111/echo.12503] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is associated with increased cardiovascular morbidity and mortality; hence detection of early cardiovascular involvement in CKD is important to prevent future adverse cardiovascular events. Left atrial (LA) enlargement and dysfunction has been reported in end stage renal disease. However, there is a paucity of published data regarding the evaluation of LA function in CKD using noninvasive imaging parameters. In this study, we evaluated biplane LA volume as well as LA function (LA global systolic strain (GS) and strain rate [SR]) in stage 3 CKD patients (eGFR 30-59 mL/min per 1.73 m(2) ) to determine if LA function parameters are more significantly altered by the presence of CKD in addition to changes due to hypertension alone. METHODS Thirty-three CKD patients (eGFR 30-59 mL/min per 1.73 m(2) ) with hypertension were compared to 33 normal controls and 34 hypertensive (HT) subjects with normal renal function; all participants underwent a detailed transthoracic echocardiogram. Indexed biplane LA volume (LAVI), LA segmental function, and GS and SR (systolic, early, and late diastole) derived from tissue Doppler imaging (TDI) were measured. Univariate predictors of LA strain were determined. Multiple logistic regression analysis was used to examine the effect of patient group (i.e. CKD) on GS and SR as well as LAVI. RESULTS Left atrial volume indexed was significantly increased in both the HT and CKD with HT group compared to normal controls (28 ± 9 mL/m(2) vs. 28 ± 9 mL/m(2) vs. 23 ± 5 mL/m(2) , respectively, P = 0.02). However, LAVI was similar in the HT and CKD with HT group (28 ± 9 mL/m(2) vs. 28 ± 9 mL/m(2) ; P = NS). LA GS and SR were reduced in both the CKD with HT and HT group, compared to controls. However, a significantly lower LA GS was present in the CKD with HT group (Controls vs. HT vs. CKD with HT: 54.9 ± 14.5% vs. 34.5 ± 6.2% vs. 25.7 ± 9.3%, respectively; P = 0.001). To examine the effect of group, (i.e. presence of CKD) multiple logistic regression analysis was performed with univariate predictors including indexed left ventricular mass (LVMI), LV diastolic grade, LAVI, peak A-wave velocity, β-blocker therapy, GS and SR; this demonstrated that CKD had an independent effect on LA GS and SR (systolic, early, and late diastole). GS demonstrated moderate correlation with systolic blood pressure (r = -0.5, P = 0.01), diastolic grade (r = -0.5, P = 0.01), E' velocity (r = 0.6, P = 0.0001), peak A velocity (r = -0.5, P = 0.004), and LAVI (r = -0.6, P = 0.002). CONCLUSIONS Left atrial dysfunction is evident in stage 3 CKD with associated LA enlargement. This study demonstrates that LA GS and SR were reduced in the CKD group despite similar LAVI in the CKD with HT and HT group. Hence LA GS and SR may be a more sensitive noninvasive tool to detect cardiovascular involvement in CKD.
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Affiliation(s)
- Krishna K Kadappu
- South Western Sydney Clinical School, The University of New South Wales, Sydney, Australia; Cardiology Department, Liverpool Hospital, Liverpool, Australia; Cardiology Department, Campbelltown Hospital, University of West Sydney, Campbelltown, Australia
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Klitsie LM, Roest AAW, Blom NA, ten Harkel ADJ. Ventricular performance after surgery for a congenital heart defect as assessed using advanced echocardiography: from doppler flow to 3D echocardiography and speckle-tracking strain imaging. Pediatr Cardiol 2014; 35:3-15. [PMID: 24121730 DOI: 10.1007/s00246-013-0802-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Accepted: 09/14/2013] [Indexed: 02/01/2023]
Abstract
A varying degree of impairment of ventricular performance is observed over the long-term after surgery for a congenital heart defect (CHD). Impaired ventricular performance has been shown to be of prognostic value for increased risk of cardiovascular events in adult CHD patients. This emphasizes the importance of delineating the timing and cause of this postoperative impairment. Impairment of ventricular performance could develop over time as a consequence of residua, sequelae and complications of the CHD or surgical procedure. Yet, impaired ventricular performance has also been observed immediately after surgery and can persist and/or worsen over time. This postoperative impairment of ventricular performance is the focus of this review. This article provides an overview of echocardiographic techniques currently used to assess ventricular performance. Furthermore, we review current literature describing ventricular performance, as assessed using echocardiography, after correction of a CHD. In general, a decrease in ventricular performance is observed directly after surgery for CHD’s. Subsequent follow-up of ventricular performance is characterized by a varying degree of postoperative recovery. A consistent observation is the persistent impairment of right-ventricular performance after repair in several different subgroups of CHD patients ranging from ventricular septal defect repair to surgery for Tetralogy of Fallot.
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Left atrial booster-pump function as a predictive parameter for new-onset postoperative atrial fibrillation in patients with severe aortic stenosis. Int J Cardiovasc Imaging 2013; 30:295-304. [PMID: 24318614 DOI: 10.1007/s10554-013-0346-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 12/03/2013] [Indexed: 10/25/2022]
Abstract
Postoperative atrial fibrillation (POAF) is associated with increased risk of embolic events and heart failure, but its associated factors remains unknown. Left atrial (LA) subclinical mechanical dysfunction caused by the acute stress of surgery may be clinically manifested as POAF. The purpose of our study was therefore to test the hypothesis that preoperative LA subclinical myocardial dysfunction is a potential predictor of development of POAF in patients with aortic stenosis (AS). We studied 27 patients with severe AS undergoing aortic valve replacement (AVR) with left ventricular (LV) ejection fraction of 63 ± 11 %. All patients were in sinus rhythm and had no history of atrial fibrillation (AF). LA reservoir (SR-LAs), conduit (SR-LAe), and booster-pump (SR-LAa) functions were determined as the averaged global LA speckle-tracking longitudinal strain rates from apical four- and two-chamber views. POAF, defined as any episode of AF within 30-day after AVR, was observed in 15 patients (56 %). There were no differences in clinical characteristics, LA and LV volumes, and global LV function between patients with and without POAF. Multivariate logistic regression analysis identified SR-LAa as the only independent predictor of POAF. Furthermore, SR-LAa >0.79 s(-1) predicted POAF with 60 % sensitivity, 92 % specificity, and area under the curve of 0.828 (p < 0.0001). Of the 15 patients with POAF, one developed paroxysmal AF during long-term follow-up. In conclusions, SR-LAa helped to detect subtle LA booster-pump dysfunction and was associated with new-onset POAF in patients with severe AS. These findings may be useful for risk stratification and management of such patients.
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Helfer S, Schmitz L, Bührer C, Czernik C. Reproducibility and Optimization of Analysis Parameters of Tissue Doppler-Derived Strain and Strain Rate Measurements for Very Low Birth Weight Infants. Echocardiography 2013; 30:1219-26. [DOI: 10.1111/echo.12273] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Sven Helfer
- Department of Pediatric Cardiology; Charité University Medical Center; Berlin Germany
| | - Lothar Schmitz
- Department of Pediatric Cardiology; Charité University Medical Center; Berlin Germany
| | - Christoph Bührer
- Department of Neonatology; Charité University Medical Center; Berlin Germany
| | - Christoph Czernik
- Department of Neonatology; Charité University Medical Center; Berlin Germany
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The assessment of atrial function in single ventricle hearts from birth to Fontan: a speckle-tracking study by using strain and strain rate. J Am Soc Echocardiogr 2013; 26:756-64. [PMID: 23669597 DOI: 10.1016/j.echo.2013.04.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Indexed: 11/24/2022]
Abstract
BACKGROUND Single ventricle (SV) exercise performance is impaired and limited by reduced ventricular preload reserve. The atrium modulates ventricular filling, and enhancement of atrial compliance can increase cardiac performance. We aimed to study atrial mechanics in SV hearts across staged surgical palliation compared with healthy children by using novel speckle-tracking echocardiography techniques. METHODS A cross-sectional study of 81 patients with SV (1 day to 6.5 years) at 4 stages of surgical palliation (presurgery, 22; prebidirectional cavopulmonary anastomosis, 23; pre-Fontan, 22; post-Fontan, 14). The dominant atrium was assessed with speckle-tracking echocardiography for active (εact), conduit (εcon), and reservoir (εres) strain; strain rate (SR); and εact/εres ratio before each stage of surgical palliation. Findings were compared with the left atrium of 51 healthy children (1 day to 5.5 years). RESULTS Single ventricle atrial size was increased (P < .01), and atrial εres was decreased (P < .01) compared with healthy controls. SV atrial εcon (P < .01) and SRcon (P < .0001) was decreased, increased εact persisted (P < .05), and εact/εres was increased (P < .001) between surgical stages. Although the expected maturational trend of increasing εcon, decreasing εact, and εact/εres occurred in SV, they lagged behind healthy maturational changes (P < .0001). CONCLUSION Single ventricle atrium is dilated, has deceased compliance, decreased early diastolic emptying, and increased reliance on active atrial contraction for ventricular filling. This deviates from normal early childhood maturational changes and appears to parallel those of an atrium facing early ventricular diastolic dysfunction.
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Koenigstein K, Raedle-Hurst T, Hosse M, Hauser M, Abdul-Khaliq H. Altered diastolic left atrial and ventricular performance in asymptomatic patients after repair of tetralogy of Fallot. Pediatr Cardiol 2013. [PMID: 23179427 DOI: 10.1007/s00246-012-0584-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We evaluated the interaction of left atrial and ventricular diastolic performance in asymptomatic children and young adults after ToF-repair (n=25). Those young people, as well as 25 age matched healthy children and young adults were examined using non-invasive conventional echocardiography. Regional systolic and diastolic myocardial strain and strain rate in left atrium and ventricle were analysed using 2D-speckle-tracking (Vivid VII, EchoPacGE). We collected planimetric data about the left atrial and ventricular performance during systole (volumetric LVEF, LV-Tei-Index, MV-E/E'-Ratio) and diastole (LAEF, LVEDV, left atrial volume). Registration of right pulmonary-venous inflow-patterns during ventricular systole, diastole and active atrial contraction was used to support assessment of left atrial function. To verify the timing of left atrial contraction and possible electromechanical delay we measured several ECG-related time-intervals. Statistical analysis included Mann-Whitney-U-Test, Bonferroni-Holm-Test and two-tailed Spearman-Correlation. Systolic pulmonary-venous inflow in ToF-patients was not different compared to the controls. Early diastolic pulmonary-venous inflow was significantly higher in ToF-patients as well as the LV-Tei-Index. The MV-E/E'-ratio, which is closely related to LVEDP, was significantly higher in ToF-patients and correlated with the early diastolic pulmonary venous inflow parameters such as the maximum diastolic bloodflow speed. Diastolic left atrial and ventricular strain and strain rate in ToF-patients did not differ from those in the controls. During late diastole there was a significantly premature timing of maximum myocardial strain rate of the interatrial septum and time-ratio of P-wave origin to maximum reverse pulmonary-venous blood flow and the duration of one heart action. Furthermore the maximum late diastolic reverse pulmonary-venous blood flow was significantly higher in ToF-patients. Those observations indicate a premature active left atrial contraction in late diastole in ToF-patients compared to the controls. In asymptomatic young patients after ToF-repair earlier and increased left atrial contraction was found, which may indicate adaptive compensatory mechanisms to overcome latent and asymptomatic altered systolic and diastolic left ventricular performance. Extensive assessment of left atrial parameters including the pulmonary veins should be considered in terms of an entire evaluation of left heart function in patients after ToF-repair.
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Affiliation(s)
- Karsten Koenigstein
- Clinic for Paediatric Cardiology, Saarland University Hospital, 66421, Homburg/Saar, Germany.
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20
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Klitsie LM, Hazekamp MG, Roest AAW, Van der Hulst AE, Gesink-van der Veer BJ, Kuipers IM, Blom NA, Ten Harkel ADJ. Tissue Doppler imaging detects impaired biventricular performance shortly after congenital heart defect surgery. Pediatr Cardiol 2013; 34:630-8. [PMID: 23001517 DOI: 10.1007/s00246-012-0513-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Accepted: 08/29/2012] [Indexed: 11/28/2022]
Abstract
Cardiac surgery with cardiopulmonary bypass is associated with the development of a systemic inflammatory response, which can lead to myocardial damage. However, knowledge concerning the time course of ventricular performance deterioration and restoration after correction of a congenital heart defect (CHD) in pediatric patients is sparse. Therefore, the authors perioperatively quantified left ventricular (LV) and right ventricular (RV) performance using echocardiography. Their study included 141 patients (ages 0-18 years) undergoing CHD correction and 40 control subjects. The study assessed LV systolic performance (fractional shortening) and diastolic performance (mitral Doppler flow) in combination with RV systolic performance [tricuspid annular plane systolic excursion (TAPSE)] and diastolic performance (tricuspid Doppler flow). Additionally, systolic (S') and diastolic (E', A', E/E') tissue Doppler imaging (TDI) measurements were obtained at the LV lateral wall, the interventricular septum, and the RV free wall. Echocardiographic studies were performed preoperatively, 1 day postoperatively, and at hospital discharge after 9 ± 5 days. Although all LV echocardiographic measurements showed a deterioration 1 day after surgery, only LV TDI measurements were impaired in patients at discharge versus control subjects (S': 5.7 ± 2.0 vs 7.1 ± 2.7 cm/s; E': 9.8 ± 3.9 vs 13.7 ± 5.1 cm/s; E/E': 12.2 ± 6.4 vs 8.8 ± 4.3; p < 0.05). In the RV, TAPSE and RV TDI velocities also were impaired in patients at discharge versus control subjects (TAPSE: 9 ± 3 vs 17 ± 5 mm; S': 5.2 ± 1.7 vs 11.4 ± 3.4 cm/s; E': 7.3 ± 2.5 vs 16.3 ± 5.2 cm/s; E/E': 12.5 ± 6.8 vs 4.8 ± 1.9; p < 0.05). Furthermore, longer aortic cross-clamp times were associated with more impaired postoperative LV and RV performance (p < 0.05). In conclusion, both systolic and diastolic biventricular performances were impaired shortly after CHD correction. This impairment was detected only by TDI parameters and TAPSE. Furthermore, a longer-lasting negative influence of cardiopulmonary bypass on myocardial performance was suggested.
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Affiliation(s)
- Liselotte M Klitsie
- Department of Pediatric Cardiology, Leiden University Medical Center, P.O. Box 9600, Room J6-S, 2300 RC, Leiden, The Netherlands
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Acute sleep deprivation in healthy adults is associated with a reduction in left atrial early diastolic strain rate. Sleep Breath 2012; 17:975-83. [DOI: 10.1007/s11325-012-0786-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2012] [Revised: 07/30/2012] [Accepted: 11/02/2012] [Indexed: 01/18/2023]
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Kadappu KK, Boyd A, Eshoo S, Haluska B, Yeo AET, Marwick TH, Thomas L. Changes in left atrial volume in diabetes mellitus: more than diastolic dysfunction? Eur Heart J Cardiovasc Imaging 2012; 13:1016-23. [PMID: 22544873 DOI: 10.1093/ehjci/jes084] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
AIM To evaluate left atrial (LA) volume and function as assessed by strain and strain rate derived from 2D speckle tracking and their association with diastolic dysfunction (DD) in patients with diabetes mellitus (DM). METHODS AND RESULTS Seventy three patients with DM were compared with age- and gender-matched normal controls; 30 patients with DM alone were compared to those with hypertension (HT) alone. The maximum LA volume, traditional measures of atrial function, 2D strain and strain rate were analysed. The LA indexed volume (LAVI) was larger in DM group than that in normal controls (38.2 ± 9.9 vs. 20.5 ± 4.8 ml/m(2), P< 0.0001), as well as in DM alone compared with hypertensive patients (33.9 ± 10 vs. 25.7 ± 8 ml/m(2), P< 0.0001). Global strain was significantly reduced in the DM group compared with that in normal controls (22.5 ± 8.67 vs. 30.6 ± 8.27%; P< 0.0001) but was similar with HT. There was a weak correlation between LAVI and global strain with increasing grades of DD (r= 0.439, P< 0.0001 and r= - 0.316, P< 0.0001, respectively) in the diabetic group. However, there was no significant difference in LAVI between these groups. A logistic regression analysis for predictors of LAVI demonstrated that only diabetes was a determinant of LAVI. Patients with diabetes showed a significant reduction in global strain compared with normal controls but no difference with increasing grades of diastolic function. CONCLUSIONS LA enlargement in DM is independent of associated HT and diastolic function. LA enlargement is associated with LA dysfunction as evaluated by 2D strain. It is likely that a combination of DD and a diabetic atrial myopathy contribute to LA enlargement in patients with DM.
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Affiliation(s)
- Krishna Kishor Kadappu
- South Western Sydney Clinical School, University of New South Wales and Liverpool Hospital, NSW, Australia
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23
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Bussadori C, Oliveira P, Arcidiacono C, Saracino A, Nicolosi E, Negura D, Piazza L, Micheletti A, Chessa M, Butera G, Dua JS, Carminati M. Right and Left Ventricular Strain and Strain Rate in Young Adults before and after Percutaneous Atrial Septal Defect Closure. Echocardiography 2011; 28:730-7. [PMID: 21615485 DOI: 10.1111/j.1540-8175.2011.01434.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
- Claudio Bussadori
- Pediatric Cardiology and Adult with Congenital Heart Disease Department Center for Diagnosis and Treatment of Valvular Diseases, IRCCS San Donato Hospital, Milan, Italy.
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Cansel M, Yagmur J, Ermis N, Acikgoz N, Taşolar H, Atas H, Muezzinoglu K, Pekdemir H, Ozdemir R. Effects of Transcatheter Closure of Atrial Septal Defects on Heart Rate Variability. J Int Med Res 2011; 39:654-61. [DOI: 10.1177/147323001103900235] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This study evaluated heart rate variability and its changes in 30 patients before and after transcatheter closure of secundum atrial septal defects. Heart rate variability data from 30 healthy volunteers with normal echocardiographic parameters and no history of atrial septal defects were included as controls. Values for the SD of all the normal RR intervals (SDNN), the SD of the means of all the 5-min segment normal RR intervals (SDANN), and the mean of all the 5-min SDs of normal RR intervals during the 24-h period (SDNN index) in patients with atrial septal defects before transcatheter closure were statistically significantly different from controls. At 6 months after closure of the defects these values were not statistically different from controls. It is concluded that transcatheter closure of secundum atrial septal defects had positive effects on heart rate variability and, consequently, may contribute to less mortality and morbidity.
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Affiliation(s)
- M Cansel
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - J Yagmur
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - N Ermis
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - N Acikgoz
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - H Taşolar
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - H Atas
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - K Muezzinoglu
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - H Pekdemir
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - R Ozdemir
- Department of Cardiology, Faculty of Medicine, Inonu University, Malatya, Turkey
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Samiei N, Bayat F, Moradi M, Parsaei M, Haghighi SZO, Mohebbi A, Hamzepour N, Noohi F. Comparison of the response of the right ventricle with endovascular occlusion and surgical closure in adults with atrial septal defect one year after intervention. CLINICAL MEDICINE INSIGHTS-CARDIOLOGY 2010; 4:143-7. [PMID: 21234294 PMCID: PMC3018896 DOI: 10.4137/cmc.s6493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Use of the Amplatzer septal occluder (ASO) for the closure of secundum atrial septal defect (ASD) has recently become the procedure of choice, while earlier the only treatment for ASD was surgical closure. This study compares the right ventricular indices of the ASO group with the surgical closure group one year after intervention in adults. METHODS From January 2008 to February 2010, 38 patients with isolated atrial septal defect of the secundum type one year after surgical (n = 20, age = 27 ± 4 years, 13 females, 7 males) or Amplatzer septal occluder closure (n = 18, age = 25 ± 4 years, 12 females, 6 males) were studied. At the same time, thirty-one age-matched normal subjects (age = 26 ± 6 years, 23 females, 9 males) were included as the control group. Strain and strain rate of the right ventricle were measured. RESULTS The mean values of strain of the midportion were -26% ± 11.7%, -8.9% ± 4.2%, and 24.5% ± 7.4% (P < 0.001). Strain rates of the midportion were -2.19 ± 0.6 s(-1), -1.2 ± 0.4 s(-1), -1.9 ± 0.6 s(-1) (P < 0.001) in ASO, surgery, and control groups, respectively. CONCLUSION This study showed that the right ventricle might show better performance in the ASO than the surgery group in adults with ASD in midterm follow-up.
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26
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Van De Bruaene A, Buys R, Vanhees L, Delcroix M, Voigt JU, Budts W. Regional right ventricular deformation in patients with open and closed atrial septal defect. EUROPEAN JOURNAL OF ECHOCARDIOGRAPHY 2010; 12:206-13. [DOI: 10.1093/ejechocard/jeq169] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Left Atrial Function: Doppler and Strain. CURRENT CARDIOVASCULAR IMAGING REPORTS 2010. [DOI: 10.1007/s12410-010-9041-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Cianciulli TF, Saccheri MC, Lax JA, Bermann AM, Ferreiro DE. Two-dimensional speckle tracking echocardiography for the assessment of atrial function. World J Cardiol 2010; 2:163-70. [PMID: 21160748 PMCID: PMC2999057 DOI: 10.4330/wjc.v2.i7.163] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2010] [Revised: 05/07/2010] [Accepted: 05/14/2010] [Indexed: 02/06/2023] Open
Abstract
Echocardiography is the most common diagnostic method for assessing atrial function but the technique has some limitations. Traditionally, assessment of left atrial function has been performed by measuring volumes with 2D echocardiography. Additionally, it can be assessed with transmitral Doppler and pulmonary vein Doppler. Recently, an alternative method has been incorporated, namely, measurement of myocardial deformation with color tissue Doppler-derived strain. However, this method has several limitations, such as suboptimal reproducibility, angle-dependence, signal artifacts and the fact that it only measures regional strain and does not obtain information about the curved portion of the atrial roof. To overcome these limitations in the quantification of atrial function, the use of speckle tracking echocardiography (STE) strain has been proposed. This technique is not derived from Doppler but rather from 2D echocardiography; it is angle-independent and allows one to measure global as well as regional atrial strain. In this editorial, we describe the physical and pathophysiological concepts of STE and underline the clinical usefulness of this new technique.
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Affiliation(s)
- Tomás Francisco Cianciulli
- Tomás Francisco Cianciulli, María Cristina Saccheri, Jorge Alberto Lax, Alejandra Marina Bermann, Daniel Ernesto Ferreiro, Division of Cardiology, Echocardiography Laboratory, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Pi y Margall 750 (C1155ADP), Buenos Aires, Argentina
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29
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Riesenkampff E, Mengelkamp L, Mueller M, Kropf S, Abdul-Khaliq H, Sarikouch S, Beerbaum P, Hetzer R, Steendijk P, Berger F, Kuehne T. Integrated analysis of atrioventricular interactions in tetralogy of Fallot. Am J Physiol Heart Circ Physiol 2010; 299:H364-71. [PMID: 20495149 DOI: 10.1152/ajpheart.00264.2010] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The atria play an important role in cardiac performance. We evaluated their function and the atrioventricular interaction in operated patients with tetralogy of Fallot (TOF). Twenty patients who had undergone surgical repair of TOF and seven controls were investigated. Patients had residual pulmonary but no major tricuspid valve insufficiency. Atrial and ventricular strain rates were obtained by echocardiographic speckle tracking. Cine MRI-derived volumetric analysis provided atrial and ventricular time volume and time volume change curves yielding emptying and filling parameters. In addition, at the atrial level, reservoir, conduit and pump function, and cyclic volume change were calculated. At the atrioventricular valve level, tricuspid and mitral annular plane systolic excursion (TAPSE and MAPSE, respectively) were measured by two-dimensional echocardiography. In the patients compared with controls, right ventricular end-diastolic volumes were increased and biventricular ejection fraction was decreased (all P < 0.05). Biventricular measures of early diastolic ventricular filling were at control levels, but in late diastole, right ventricular filling parameters and strain rates were decreased (P < 0.001). The maximal right atrial size was slightly but not significantly diminished, but cyclic volume change was significantly reduced (P < 0.0001). Pump and reservoir function were decreased (P < 0.05), and conduit function was elevated (P < 0.001). The left atrium showed reduced reservoir function and cyclic volume change (P < 0.05). TAPSE and MAPSE were also decreased (P < 0.05). There were statistically significant interdependencies between RV ejection fraction, TAPSE, and right atrial filling and emptying parameters (all P < 0.05). In TOF patients, moderate systolic and diastolic right ventricular dysfunction is associated with clearly impaired right atrial function. The left atrium is affected to a lesser extent.
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Affiliation(s)
- Eugénie Riesenkampff
- Deutsches Herzzentrum Berlin, Dept. of Congenital Heart Disease and Pediatric Cardiology, Augustenburger Platz 1, Berlin D-13353, Germany.
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Two-dimensional speckle strain and dyssynchrony in single right ventricles versus normal right ventricles. J Am Soc Echocardiogr 2010; 23:673-9. [PMID: 20409684 DOI: 10.1016/j.echo.2010.03.028] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2009] [Indexed: 11/21/2022]
Abstract
BACKGROUND Patients with single-right ventricle (RV) physiology are at increased risk for myocardial dysfunction and mechanical dyssynchrony. Newer echocardiographic modalities may be better able to quantitate right ventricular function in this unique population. The aim of this study was to use two-dimensional speckle analysis of strain and strain rate to quantify systolic function and dyssynchrony in single-RV post-Fontan patients and compare them with values for controls. METHODS Patients with single RV who underwent Fontan palliation and patients with normal biventricular anatomy were studied. Two-dimensional speckle echocardiography was used to measure strain, strain rate, time to peak, and longitudinal displacement in a 6-segment model of the RV. Independent t tests were used to compare group means. P values < .05 were considered significant. RESULTS Thirteen patients were studied in each group. There was no significant difference in age between single-RV patients and controls (6.60 +/- 2.07 vs 5.75 +/- 1.83 years, respectively). Single-RV strain values were significantly lower in all 6 segments compared with values in controls (basal interventricular septum [IVS], -14.28 +/- 7.78% vs -22.00 +/- 2.36%; mid IVS, -17.70 +/- 4.54% vs -22.99 +/- 2.71%; apical IVS, -19.46 +/- 4.97% vs -25.42 +/- 4.06%; basal RV, -22.40 +/- 5.7% vs -41.42 +/- 5.42%; mid RV, -21.20 +/- 3.21% vs -39.67 +/- 6.04%; apical RV, -20.70 +/- 4.90% vs -33.68 +/- 3.90%). Systolic strain rate and longitudinal displacement were also lower in the free wall and apical IVS in single-RV patients compared with controls. The modified Yu index for strain time to peak was longer in the single-RV patients (43.16 +/- 13.63 vs 21.72 +/- 7.25 ms). CONCLUSION Significant differences in strain analysis between single-RV patients and patients with biventricular physiology exist at a relatively young age. Future studies are needed to determine the clinical significance of these differences.
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Li Y, Xie M, Wang X, Lv Q, Lu X, Yang Y, Ma H, Fang L, Zhang J, Li W. Evaluation of right ventricular global longitudinal function in patients with tetralogy of fallot by two-dimensional ultrasound speckle tracking imaging. ACTA ACUST UNITED AC 2010; 30:126-31. [DOI: 10.1007/s11596-010-0123-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2009] [Indexed: 11/25/2022]
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Ding J, Ma G, Huang Y, Wang C, Zhang X, Zhu J, Lu F. Right Ventricular Remodeling after Transcatheter Closure of Atrial Septal Defect. Echocardiography 2009; 26:1146-52. [DOI: 10.1111/j.1540-8175.2009.00941.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Gong HP, Tan HW, Fang NN, Song T, Li SH, Zhong M, Zhang W, Zhang Y. Impaired left ventricular systolic and diastolic function in patients with metabolic syndrome as assessed by strain and strain rate imaging. Diabetes Res Clin Pract 2009; 83:300-7. [PMID: 19167773 DOI: 10.1016/j.diabres.2008.10.018] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2007] [Revised: 06/26/2008] [Accepted: 10/05/2008] [Indexed: 11/18/2022]
Abstract
The present study aimed to investigate cardiac structural and functional alterations in patients with metabolic syndrome (MS) and to compare those with control subjects. Strain and strain rate (SR) imaging were preformed in 200 patients with MS and 197 normal subjects. The patients were further divided into Group 1 (with three metabolic disorders) and Group 2 (with four metabolic disorders) to elucidate the influence of different metabolic components on left ventricular (LV) functions. LV diastolic and systolic functions were determined by the mean systolic strain, SR-LVs and SR-LVe. There were no differences in LVEF among the three groups. However, the mean systolic strain, SR-LVs and SR-LVe, were significantly decreased in Group 1 and Group2 when compared with control subjects (all P<0.001). The mean systolic strain and SR-LVe were lower in Group 2 than Group 1 (all P<0.05). Stepwise multiple regression analyses revealed that the W-H ratio was an independent predictor of the LV systolic function, whereas W-H ratio, HDL cholesterol and SBP were independent predictors of LV diastolic function. In summary, our results demonstrated that LV systolic and diastolic functions were impaired in patients with metabolic syndrome even if they have normal LVEF. Strain and SR imaging would be a sensitive and feasible method to detect subclinical abnormalities in those populations.
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Affiliation(s)
- Hui-ping Gong
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Department of Cardiology, Qilu Hospital, Shandong University, Jinan, China
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Muranaka A, Yuda S, Tsuchihashi K, Hashimoto A, Nakata T, Miura T, Tsuzuki M, Wakabayashi C, Watanabe N, Shimamoto K. Quantitative Assessment of Left Ventricular and Left Atrial Functions by Strain Rate Imaging in Diabetic Patients with and without Hypertension. Echocardiography 2009; 26:262-71. [DOI: 10.1111/j.1540-8175.2008.00805.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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Zhang Q, Yip GWK, Yu CM. Approaching regional left atrial function by tissue Doppler velocity and strain imaging. Europace 2009; 10 Suppl 3:iii62-9. [PMID: 18955401 DOI: 10.1093/europace/eun237] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Atrial function is an integral part for the proper performance of the circulatory system. Assessment of its haemodynamic and mechanical characteristics by use of non-invasive echocardiography, including tissue Doppler velocity and strain imaging, may provide a better insight into atrial function and its relationship with ventricular function. From an electromechanical perspective, this review summarizes not only the various methods for evaluating regional atrial function by tissue Doppler imaging, but also the normal findings in healthy subjects and the major clinical utilities in cardiac diseases, such as atrial fibrillation, ischaemic heart disease and heart failure.
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Affiliation(s)
- Qing Zhang
- Division of Cardiology, Department of Medicine and Therapeutics, SH Ho Cardiovascular and Stroke Centre, Institute of Vascular Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin N.T., Hong Kong, Peoples' Republic of China
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Ma XJ, Huang GY, Liu F, Wu L, Sheng F, Tao ZY. The impacts of transcatheter occlusion for congenital atrial septal defect on atrial volume, function, and synchronicity in children: a three-dimensional echocardiography study. Echocardiography 2008; 25:1101-11. [PMID: 18771544 DOI: 10.1111/j.1540-8175.2008.00730.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To evaluate the impacts of transcatheter closure for atrial septal defect (ASD) on the atria. METHODS Thirty-four patients with ASD undergoing transcatheter occlusion were recruited in the study, and 34 patients undergoing surgical operation and 34 healthy children were age-matched as controls. A real time three-dimensional (RT3DE) echocardiography was used to measure the volume, function, and synchronicity of the atria. RESULTS There was no difference in the atrial volume and function between the transcatheter occlusion group and healthy control group (P > 0.05). However, the parameters reflecting the atrial asynchrony were larger in the transcatheter occlusion group (P < 0.05). Compared to the surgical repair group, the transcatheter occlusion group had smaller maximum volume of the left atrium (21.0 +/- 5.2 ml/m(2) vs 24.3 +/- 5.8 ml/m(2), P = 0.01), smaller total emptying volume of the left atrium (12.7 +/- 4.3 ml/m(2) vs 15.1 +/- 3.8 ml/m(2), P = 0.014), smaller total emptying volume of the right atrium (13.5 +/- 5.2 ml/m(2) vs 16.1 +/- 4.7 ml/m(2), P = 0.029), and larger atrial systolic asynchrony indices. CONCLUSIONS An atrial asynchrony is observed in patients with transcatheter closure of ASD, although little negative impacts on the atrial volume and function are demonstrated, which deserves more attention during follow-up of this specific population.
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Affiliation(s)
- Xiao-Jing Ma
- Department of Pediatrics, Pediatric Heart Center, Children's Hospital of Fudan University, Shanghai Medical School, Fudan University, Shanghai, People's Republic of China
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Maschietto N, Bonato R, Milanesi O. Is it possible to percutaneously close an atrial septal defect in babies who weigh less than four kilograms? Report of a successful case. J Cardiovasc Med (Hagerstown) 2008; 9:929-31. [DOI: 10.2459/jcm.0b013e3282fec084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Arat N, Sökmen Y, Altay H, Özcan F, İlkay E. Left and Right Atrial Myocardial Deformation Properties in Patients with an Atrial Septal Defect. Echocardiography 2008; 25:401-7. [DOI: 10.1111/j.1540-8175.2007.00614.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Kokubu N, Yuda S, Tsuchihashi K, Hashimoto A, Nakata T, Miura T, Ura N, Nagao K, Tsuzuki M, Wakabayashi C, Shimamoto K. Noninvasive assessment of left atrial function by strain rate imaging in patients with hypertension: a possible beneficial effect of renin-angiotensin system inhibition on left atrial function. Hypertens Res 2007; 30:13-21. [PMID: 17460367 DOI: 10.1291/hypres.30.13] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Renin-angiotensin system (RAS) inhibitors are likely to reduce the development of atrial fibrillation by preventing atrial fibrosis. Strain rate (SR) imaging is a novel echocardiographic technique to quantify left atrial (LA) function. However, it has not been determined whether SR imaging is applicable for detection of LA dysfunction in hypertensive (HT) patients. We used SR imaging to assess alteration in LA function in HT patients and its modification by RAS inhibitors. SR imaging was performed in 80 HT patients and 50 age-matched normotensive (NT) subjects. HT patients were divided into two groups according to left ventricular hypertrophy (LVH) and LA dilatation. Peak SR was measured at each LA segment (septal, lateral, posterior, anterior, and inferior) and mean peak systolic SR (SR-LAs) was calculated by averaging data in each segment. Mean SR-LAs levels in the dilated LA group (1.97+/-0.45 s(-1), n=25) and non-dilated LA group (2.15+/-0.57 s(-1), n=55) were significantly (p<0.05) lower than that in NT subjects (2.53+/-0.71 s(-1)). Irrespective of the presence or absence of LVH, mean SR-LAs in HT patients was lower than that in NT subjects. When RAS inhibitors were used, the mean SR-LAs level in the non-dilated LA group was equivalent to that in NT subjects. In HT patients, mean SR-LAs, an index of LA reservoir function, decreases before development of LA enlargement and LVH. Treatment with RAS inhibitors appears to preserve LA reservoir function in HT patients without dilated LA. SR imaging can detect LA dysfunction in HT patients and is useful for evaluation of the therapeutic benefit on LA reservoir function.
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Affiliation(s)
- Nobuaki Kokubu
- Second Department of Internal Medicine, Sapporo Medical University School of Medicine, Japan
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Gondi S, Dokainish H. Right Ventricular Tissue Doppler and Strain Imaging: Ready for Clinical Use? Echocardiography 2007; 24:522-32. [PMID: 17456072 DOI: 10.1111/j.1540-8175.2007.00430.x] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Although tissue Doppler (TD) imaging of the left ventricle is now commonly used in clinical settings, TD imaging of the right ventricle (RV) is not routinely practiced. Yet, there are significant data on clinical uses of RV TD imaging, including established normal values using both color and spectral TD. In acute left ventricular (LV) inferior wall myocardial infarction, depressed RV TD velocities have been shown to correlate with the presence of RV impairment, and with patient outcome. In patients with LV heart failure, TD imaging has been correlated to RV ejection fraction by radionuclide angiography, and is an independent predictor of outcome. In patients with congenital heart disease, RV TD has been especially valuable for assessing RV function, and has been correlated to invasive hemodynamic indices, and RV ejection fraction by magnetic resonance imaging. The RV performance (Tei) index has been calculated and validated using TD-derived, rather than conventional pulsed Doppler time intervals. RV TD indices have been shown to be useful in the detection of subclinical and clinical disease in morbid obesity, chronic pulmonary, and systemic disease. TD-derived RV strain imaging can detect segmental myocardial dysfunction, overcoming limitations to conventional TD imaging resulting from tethering. For both TD velocity and strain imaging, however, appreciation of the limitations of these techniques is necessary for their appropriate use. Given its rapid acquisition times, reproducibility, and ease of addition to standard transthoracic echocardiographic protocols, RV TD and strain imaging are important additional modalities in the comprehensive echo-Doppler assessment of RV function.
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Affiliation(s)
- Sreedevi Gondi
- Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
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Lunze FI, Hui W, Abd El Rahman MY, Alexi-Meskishvili V, Hetzer R, Lange PE, Berger F, Abdul-Khaliq H. Preserved regional atrial contractile function following extra-atrial rather than intra-atrial type Fontan operation. Clin Res Cardiol 2007; 96:264-71. [PMID: 17294346 DOI: 10.1007/s00392-007-0495-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2006] [Accepted: 12/20/2006] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To determine the univentricular and atrial function in patients following Fontan operation using tissue Doppler echocardiography (TDE). SETTING Hospital-based outpatient clinic and inpatient unit. PATIENTS Thirty-six patients (mean age 13 ys [2-34 ys]) after Fontan procedure and 30 healthy individuals matched for age and heart rate. MAIN OUTCOME MEASURES Pulsed wave Doppler derived Tei index was determined for global univentricular function. Tissue-Doppler derived strain rate and strain were measured for regional ventricular function. Different planimetric approaches were used to evaluate the global atrial function. Strain rate was measured for regional atrial contractile function. RESULTS The Tei index, reflecting global univentricular function, was significantly higher in Fontan patients than in the control group (p<0.001). The regional ventricular contractile function, which was determined by TDE derived strain and strain rate, was significantly lower in Fontan patients than in healthy controls (p<0.001). The global atrial function evaluated planimetrically, and the regional atrial function assessed using the TDE strain rate, were significantly lower in Fontan patients than in normal controls (p<0.001, p<0.001, respectively). A comparison of different types of Fontan operations with extra-atrial or intra-atrial baffle showed a better regional left atrial wall strain rate in patients with extra-atrial baffle than with intra-atrial baffle. CONCLUSION Patients who have undergone the Fontan procedure may present with altered ventricular and atrial performance independent of whether the extra-atrial or intraatrial type Fontan operation was performed. However, the regional atrial contractile function seems to be better preserved following the extra-atrial type Fontan operation.
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Affiliation(s)
- Fatima I Lunze
- Department of Congenital Heart Disease, Deutsches Herzzentrum Berlin, Augustenburger Platz 1, Berlin, Germany.
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Eyskens B, Ganame J, Claus P, Boshoff D, Gewillig M, Mertens L. Ultrasonic strain rate and strain imaging of the right ventricle in children before and after percutaneous closure of an atrial septal defect. J Am Soc Echocardiogr 2006; 19:994-1000. [PMID: 16880094 DOI: 10.1016/j.echo.2006.02.001] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Indexed: 11/16/2022]
Abstract
This study examined the influence of preload alterations on systolic right ventricular (RV) velocities and deformation indices in patients with atrial septal defect (ASD). A total of 21 patients with ASD underwent 2-dimensional echocardiography and color Doppler myocardial imaging scan before and 24 hours after transcatheter ASD closure. The data were compared with those obtained from 30 healthy age-matched children. Longitudinal peak systolic velocities, peak systolic strain rate (SR), and end-systolic strain (epsilon) were calculated in the midsegment of the RV free wall and the septum. In patients with ASD, higher RV peak systolic velocities were recorded, which returned to normal values after closure of the defect. In contrast, RV deformation indices in the patients with ASD were not different from normal values. These RV indices did not change significantly after ASD closure. We found a significantly decreased septal function after percutaneous ASD closure. This may be attributed to the device within the atrial septum, affecting deformation of the interventricular septum. In conclusion, RV longitudinal systolic deformation indices were not significantly influenced by chronic ventricular volume overload and sudden abolishment of this volume overload. These findings suggest that SR/epsilon are relatively load-stable measures of contractile function in the clinical setting. In contrast, myocardial velocities are clearly load dependent.
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Affiliation(s)
- Benedicte Eyskens
- Department of Pediatric Cardiology, University Hospital Leuven, Leuven, Belgium
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Rickers C, Seethamraju RT, Jerosch-Herold M, Wilke NM. Magnetic resonance imaging guided cardiovascular interventions in congenital heart diseases. J Interv Cardiol 2003; 16:143-7. [PMID: 12768917 DOI: 10.1046/j.1540-8183.2003.08026.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The purpose of this article is to present some recent applications of diagnostic and interventional MRI in congenital heart disease. To date x-ray-based techniques have been the norm for most diagnostic and therapeutic applications. With the advent of ultrafast MRI and the development of MRI-compatible catheters and guide wires, the goal of achieving real-time guidance by MRI for interventions in congenital heart diseases has proven feasible. We briefly review the latest advances in cardiovascular MRI, and the development of MR-compatible devices for diagnostic and therapeutic applications such as ASD closure and pulmonary artery dilation.
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Affiliation(s)
- Carsten Rickers
- Department of Radiology, University of Minnesota, Minneapolis, MN, USA
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