1
|
Reference values of left and right atrial volumes and phasic function based on a large sample of healthy Chinese adults: A cardiovascular magnetic resonance study. Int J Cardiol 2022; 352:180-187. [DOI: 10.1016/j.ijcard.2022.01.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 01/05/2022] [Accepted: 01/31/2022] [Indexed: 11/17/2022]
|
2
|
Szekely Y, Shmilovich H, Hochstadt A, Ghantous E, Topilsky Y, Aviram G, Hadad Y, Arbel Y, Konigstein M, Banai S, Finkelstein A, Halkin A. Long-term implications of left atrial appendage thrombus identified incidentally by pre-procedural cardiac computed tomography angiography in patients undergoing transcatheter aortic valve replacement. Eur Heart J Cardiovasc Imaging 2021; 22:563-571. [PMID: 32154881 DOI: 10.1093/ehjci/jeaa030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/18/2020] [Accepted: 02/12/2020] [Indexed: 11/12/2022] Open
Abstract
AIMS The prevalence and prognostic implications of left atrial appendage (LAA) thrombus (LAAT) in patients considered for transcatheter aortic valve replacement (TAVR) are incompletely defined. We, therefore, studied pre-procedural cardiac computed tomography angiography (CCTA) scans of TAVR candidates to determine the prevalence of LAAT and its association with late outcomes. METHODS AND RESULTS Baseline clinical variables and CCTA findings from a prospective TAVR registry were analysed for the prevalence of pre-procedural LAAT and its impact on in-hospital outcomes and late mortality. LAAT was differentiated from LAA filling defects (LAAFD) reflecting stasis without clot. Patients (n = 561) with complete in-hospital and late mortality data were included in the study (median follow-up 31.6 months). LAAT and LAAFD were evidenced on pre-procedural CCTA in 24 (4.3%) and 26 (4.6%) patients, respectively. One hundred fourteen (20.3%) patients died during the study period. Though in-hospital adverse event rates (including stroke) did not differ among groups, mortality at long-term follow-up was higher among LAAT patients compared with those with or without LAAFD (58.3% vs. 11.5% vs. 19.0%, respectively; P < 0.003). By multivariable analysis, LAAT (but not LAAFD) was independently associated with all-cause mortality [hazard ratio (HR) = 3.33 (1.83-6.00), P < 0.001]. In patients with LAAT, oral anticoagulation at discharge was associated with lower mortality risk, independently of atrial fibrillation status. CONCLUSIONS LAAT visualized by pre-procedural CCTA is an independent predictor of late mortality following TAVR, but not peri-procedural stroke. When reporting TAVR-CCTA, particular note should be made of LAA features and presence of LAAT which may have prognostic and management implications.
Collapse
Affiliation(s)
- Yishay Szekely
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Haim Shmilovich
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Aviram Hochstadt
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Eihab Ghantous
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Yan Topilsky
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Galit Aviram
- Department of Radiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Yitzhak Hadad
- Department of Radiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Yaron Arbel
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Maayan Konigstein
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Shmuel Banai
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Ariel Finkelstein
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| | - Amir Halkin
- Department of Cardiology, Tel Aviv Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, 6 Weizmann Street, Tel Aviv 64239, Israel
| |
Collapse
|
3
|
Comprehensive Echocardiography of Left Atrium and Left Ventricle Using Modern Techniques Helps in Better Revealing Atrial Fibrillation in Patients with Hypertrophic Cardiomyopathy. Diagnostics (Basel) 2021; 11:diagnostics11071288. [PMID: 34359371 PMCID: PMC8304227 DOI: 10.3390/diagnostics11071288] [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: 06/20/2021] [Revised: 07/10/2021] [Accepted: 07/14/2021] [Indexed: 11/17/2022] Open
Abstract
Atrial fibrillation (AF) is an important arrhythmia in hypertrophic cardiomyopathy (HCM). We aimed to explore whether a complex evaluation of the left ventricle (LV) using modern echocardiography techniques, additionally to the left atrium (LA) boosts the probability of AF diagnosis. Standard echocardiography, 2D and 3D speckle tracking, were performed for LA and LV evaluation in HCM patients and healthy volunteers. Of 128 initially qualified HCM patients, 60 fulfilled included criteria, from which 43 had a history of AF, and 17 were without AF. LA volume index and peak strain, LV ejection fraction, and strains were significant predictors of AF. In addition, 2D global longitudinal strain (GLS) for LV at cut off -16% turned out to be the most accurate predictor of AF (OR 48.00 [95% CI 2.68-859.36], p = 0.001), whereas the combination of LA peak strain ≤ 22% and LV GLS ≥ -16% had the highest discriminatory power (OR 76.36 [95% CI 4.13-1411.36], p = 0.001). AF in HCM patients seems to be LA as well as LV disease. Revealing lower strain for LV, in addition to lower LA strain, may have an important impact on accurate characteristics of HCM patients with AF history.
Collapse
|
4
|
Linden K, Goldschmidt F, Laser KT, Winkler C, Körperich H, Dalla-Pozza R, Breuer J, Herberg U. Left Atrial Volumes and Phasic Function in Healthy Children: Reference Values Using Real-Time Three-Dimensional Echocardiography. J Am Soc Echocardiogr 2019; 32:1036-1045.e9. [DOI: 10.1016/j.echo.2019.03.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/26/2019] [Accepted: 03/26/2019] [Indexed: 02/07/2023]
|
5
|
Shakti D, Friedman KG, Harrild DM, Gauvreau K, Geva T, Colan SD, Brown DW. Left Atrial Size and Function in Patients With Congenital Aortic Valve Stenosis. Am J Cardiol 2018; 122:1541-1545. [PMID: 30180956 DOI: 10.1016/j.amjcard.2018.07.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 07/16/2018] [Accepted: 07/19/2018] [Indexed: 11/24/2022]
Abstract
Little information exists on left atrial (LA) function in healthy children and in patients with congenital aortic valve stenosis (AS). We sought to determine whether patients with significant congenital AS have detectable abnormalities in LA size and function compared with matched normal controls. Retrospective chart review and analysis of 2-dimensional echocardiographic images for phasic left atrial volumes (LAVs) and longitudinal LA strain by speckle tracking in children ≥1 years of age with ≥ moderate isolated congenital AS. LAVs and LA strain in AS cases were compared with age, gender, and body surface area-matched controls (healthy children with a normal echocardiogram). Between June 2004 and October 2012, there were 36 eligible AS cases [age 13 (range 3 to 27) years; 30 males] with a median maximal Doppler gradient of 63 (range 43 to 94) mm Hg. No significant interobserver and intraobserver differences were noted in the analyses of normal subjects. Significantly higher phasic body surface area-adjusted LAVs [preatrial contraction: p = 0.01; minimal: p = 0.04] and higher LA contractile function parameters [indexed active LA stroke volume: p = 0.03; peak negative strain p = 0.04] were noted in AS cases compared with matched controls. In conclusion, compared with normal, children with congenital AS have higher preatrial contraction and minimal phasic LA volumes and higher LA contractile function.
Collapse
|
6
|
Daubert C, Gadler F, Mabo P, Linde C. Pacing for hypertrophic obstructive cardiomyopathy: an update and future directions. Europace 2017; 20:908-920. [DOI: 10.1093/europace/eux131] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 04/18/2017] [Indexed: 11/15/2022] Open
Affiliation(s)
- Claude Daubert
- Faculté de Médecine, Université de Rennes 1, France
- LTSI INSERM U1099, Rennes, France
| | - Fredrik Gadler
- Karolinska University Hospital, Heart and Vascular Theme, FoU Tema Hjärta Kärl S102, S- 17176 Stockholm, Sweden
- Karolinska Institutet, Department of Medicine, Stockholm, Sweden
| | - Philippe Mabo
- Faculté de Médecine, Université de Rennes 1, France
- LTSI INSERM U1099, Rennes, France
- Service de Cardiologie et Maladies vasculaires, Centre Hospitalier Universitaire de Rennes 35033, France
| | - Cecilia Linde
- Karolinska University Hospital, Heart and Vascular Theme, FoU Tema Hjärta Kärl S102, S- 17176 Stockholm, Sweden
- Karolinska Institutet, Department of Medicine, Stockholm, Sweden
| |
Collapse
|
7
|
Konings MK, Jansen R, Bosman LP, Rienks R, Chamuleau SAJ, Rademakers FE, Cramer MJ. Non-invasive measurement of volume-time curves in patients with mitral regurgitation and in healthy volunteers, using a new operator-independent screening tool. Physiol Meas 2017; 38:241-258. [PMID: 28099167 DOI: 10.1088/1361-6579/38/2/241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Left ventricular volume-time curves (VTCs) provide hemodynamic data, and may help clinical decision making. The generation of VTCs using echocardiography, however, is time-consuming and prone to inter-operator variability. In this study, we used a new non-invasive, operator-independent technique, the hemodynamic cardiac profiler (HCP), to generate VTCs. The HCP, which uses a low-intensity, patient-safe, high-frequency applied AC current, and 12 standard ECG electrodes attached on the thorax in a pre-defined pattern, was applied to five young healthy volunteers, five older healthy volunteers, and five patients with severe mitral regurgitation. From the VTCs generated by the HCP, the presence or absence of an isovolumetric contraction phase (ICP) was assessed, as well as the left ventricular ejection time (LVET), time of the pre-ejection period (tPEP), and ratio of the volumes of the early (E) and late (A) diastolic filling (E V/A V ratio), and compared to 2D transthoracic echocardiography (2D TTE) at rest. The reproducibility by two different operators showed good results (RMS = 5.2%). For intra-patient measurement RMS was 2.8%. Both LVET and the E V/A V ratio showed a strong significant correlation between HCP and 2D TTE derived parameters (p < 0.05). For tPEP, the correlation was still weak (p = 0.32). In all five patients with mitral regurgitation, the ICP was absent in the VTC from the HCP, whereas it was present in the 10 healthy volunteers, which is in accordance with pathophysiology. We conclude that the HCP seems to be a method for reproducible VTC generation, and may become a useful early screening tool for cardiac dysfunction in the future.
Collapse
Affiliation(s)
- Maurits K Konings
- Department of Medical Technology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | | | | | | | | | | |
Collapse
|
8
|
Left Atrial Mechanical Function and Global Strain in Hypertrophic Cardiomyopathy. PLoS One 2016; 11:e0157433. [PMID: 27336444 PMCID: PMC4919041 DOI: 10.1371/journal.pone.0157433] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Accepted: 05/31/2016] [Indexed: 11/24/2022] Open
Abstract
Background Atrial fibrillation is the most common arrhythmia and is associated with adverse outcomes in hypertrophic cardiomyopathy (HCM). Although left atrial (LA) remodeling and dysfunction are known to associate with the development of atrial fibrillation in HCM, the changes of the LA in HCM patients remain unclear. This study aimed to evaluate the changes in LA size and mechanical function in HCM patients compared to control subjects and to determine the characteristics of HCM associated with LA remodeling and dysfunction. Methods Seventy-nine HCM patients (mean age, 54 ± 11 years; 76% were men) were compared to 79 age- and sex-matched controls (mean age, 54 ± 11 years; 76% were men) and 20 young healthy controls (mean age, 33 ± 5 years; 45% were men). The LA diameter, volume, and mechanical function, including global strain (ε), were evaluated by 2D-speckle tracking echocardiography. The phenotype of HCM, maximal left ventricular (LV) wall thickness, LV mass, and presence and extent of late gadolinium enhancement (LGE) were evaluated with cardiac magnetic resonance imaging. Results HCM patients showed increased LA volume index, impaired reservoir function, and decreased LA ε compared to the control subjects. When we divided the HCM group according to a maximal LA volume index (LAVImax) of 38.7 ml/m2 or LA ε of 21%, no significant differences in the HCM phenotype and maximal LV wall thickness were observed for patients with LAVImax >38.7 ml/m2 or LA ε ≤21%. Conversely, the LV mass index was significantly higher both in patients with maximal LA volume index >38.7 ml/m2 and with LA ε ≤21% and was independently associated with LAVImax and LA ε. Although the LGE extent was increased in patients with LA ε ≤21%, it was not independently associated with either LAVImax or LA ε. Conclusions HCM patients showed progressed LA remodeling and dysfunction; the determinant of LA remodeling and dysfunction was LV mass index rather than LV myocardial fibrosis by LGE-magnetic resonance imaging.
Collapse
|
9
|
Heywood TJ, Seethala S, Khan T, Johnson A, Smith M, Rubenson D, Reynolds E. Left Atrial Diastolic Dysfunction And Pulmonary Venous Hypertension In Atrial Fibrillation: Clinical, Hemodynamic And Echocardiographic Characteristics. J Atr Fibrillation 2014; 7:1117. [PMID: 27957116 DOI: 10.4022/jafib.1117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 09/02/2014] [Accepted: 09/06/2014] [Indexed: 01/19/2023]
Abstract
BACKGROUND Left ventricular diastolic dysfunction has been well described; diastolic abnormalities of the LA are less frequently recognized and poorly understood. OBJECTIVE The purpose of this study was to investigate the clinical, hemodynamic and echocardiographic features of left atrial (LA) diastolic dysfunction. METHODS Patients with atrial fibrillation (AF), severe LA enlargement, and pulmonary venous hypertension (PVH, Group 1) were compared to patients with pulmonary arterial hypertension (PAH), normal LA size and sinus rhythm (Group 2). All underwent right heart catheterization and transthoracic echo to evaluate hemodynamics and LA function. Mitral regurgitation was evaluated by transesophageal echocardiography. LA diastolic function was measured by comparing filling fraction, pulmonary venous flow and compliance. RESULTS Right atrial, pulmonary artery systolic and mean pressures were similar. Mean wedge pressure were increased in Group 1, 20.8±2.6 versus 9.7±2.8 mm of Hg (p<0.0001). The most striking hemodynamic difference was large V wave in Group 1 without significant mitral regurgitation. LA filling fraction was abnormal in Group 1, 11.4%±8.5 compared to Group 2, 111.5%±44 (p<0.0001). LA compliance was 0.39±0.27 ml/m2/mmHg in Group 1 versus 6.8±4.54 ml/m2/mmHg in Group 2 (p=0.001). There was a strong negative correlation between the V wave and LA filling fraction (r= 0.756, p<0.001). The ratio of the height of the transmitral E wave divided by the S/D ratio (the LA diastolic dysfunction index) correlated very strongly with the V wave (r=0.907, p<0.001). CONCLUSION LA diastolic dysfunction is present in some patients with long standing AF and PVH. LA diastolic dysfunction, in addition to left ventricular diastolic dysfunction, may contribute to the syndrome of heart failure with preserved left ventricular systolic function.
Collapse
Affiliation(s)
- Thomas J Heywood
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| | | | - Tariq Khan
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| | - Allen Johnson
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| | - Michael Smith
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| | - David Rubenson
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| | - Eric Reynolds
- Division of Cardiovascular Disease, Scripps Clinic, La Jolla, CA
| |
Collapse
|
10
|
Left Atrial and Left Ventricular Diastolic Function in Chronic Chagas Disease. J Am Soc Echocardiogr 2013; 26:1424-33. [DOI: 10.1016/j.echo.2013.08.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Indexed: 12/15/2022]
|
11
|
Badran HM, Soltan G, Hassan H, Nazmy A, Faheem N, Saadan H, Yacoub MH. Changes in left atrial deformation in hypertrophic cardiomyopathy: Evaluation by vector velocity imaging. Glob Cardiol Sci Pract 2013; 2012:67-80. [PMID: 24688992 PMCID: PMC3963718 DOI: 10.5339/gcsp.2012.25] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 12/11/2012] [Indexed: 11/17/2022] Open
Abstract
Abstract:Objectives: Hypertrophic cardiomyopathy (HCM) represents a generalized myopathic process affecting both ventricular and atrial myocardium. We assessed the global and regional left atrial (LA) function and its relation to left ventricular (LV) mechanics and clinical status in patients with HCM using Vector Velocity Imaging (VVI). Methods: VVI of the LA and LV was acquired from apical four- and two-chamber views of 108 HCM patients (age 40 ± 19years, 56.5% men) and 33 healthy subjects, all had normal LV systolic function. The LA subendocardium was traced to obtain atrial volumes, ejection fraction, velocities, and strain (ϵ)/strain rate (SR) measurements. Results: Left atrial reservoir (ϵsys,SRsys) and conduit (early diastolic SRe) function were significantly reduced in HCM compared to controls (P < .0001). Left atrial deformation directly correlated to LVϵsys, SRsys and negatively correlated to age, NYHA class, left ventricular outflow tract (LVOT) gradient, left ventricular mass index (LVMI), LA volume index and severity of mitral regurge (P < 0.001). Receiver operating characterist was constructed to explore the cutoff value of LA deformation in differentiation of LA dysfunction; ϵsys < 40% was 75% sensitive, 50% specific, SRsys < 1.7s− 1 was 70% sensitive, 61% specific, SRe> − 1.8s− 1 was 81% sensitive and 30% specific, SRa> − 1.5s− 1 was 73% sensitive and 40% specific. By multivariate analysis global LVϵsys and LV septal thickness are independent predictors for LAϵsys, while end systolic diameter is the only independent predictor for SRsys, P < .001. Conclusion: Left atrial reservoir and conduit function as measured by VVI were significantly impaired while contractile function was preserved among HCM patients. Left atrial deformation was greatly influenced by LV mechanics and correlated to severity of phenotype.
Collapse
Affiliation(s)
| | - Ghada Soltan
- Cardiology Department, Menoufiya University, Egypt
| | | | - Ahmed Nazmy
- Cardiology Department, Menoufiya University, Egypt
| | | | | | | |
Collapse
|
12
|
Montserrat S, Gabrielli L, Borras R, Poyatos S, Berruezo A, Bijnens B, Brugada J, Mont L, Sitges M. Left atrial size and function by three-dimensional echocardiography to predict arrhythmia recurrence after first and repeated ablation of atrial fibrillation. Eur Heart J Cardiovasc Imaging 2013; 15:515-22. [DOI: 10.1093/ehjci/jet194] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
13
|
Fukuda S, Watanabe H, Shimada K, Aikawa M, Kono Y, Jissho S, Taguchi H, Umemura J, Yoshiyama M, Shiota T, Sumiyoshi T, Yoshikawa J. Left atrial thrombus and prognosis after anticoagulation therapy in patients with atrial fibrillation. J Cardiol 2011; 58:266-77. [PMID: 21824749 DOI: 10.1016/j.jjcc.2011.06.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 06/23/2011] [Accepted: 06/28/2011] [Indexed: 01/03/2023]
Abstract
BACKGROUND Anticoagulation therapy reduces the risk of thromboembolic events by two-thirds in patients with atrial fibrillation (AF). The prevalence of left atrial thrombus (LAT) in AF patients with anticoagulation therapy has not been fully investigated. PURPOSE To investigate the prevalence of LAT and its impact on the outcomes in patients with nonvalvular AF after anticoagulation therapy. METHODS This study consisted of 231 patients with nonvalvular AF who had transthoracic (TTE) and transesophageal echocardiographic (TEE) examinations more than 3 weeks after anticoagulation therapy. The clinical and echocardiographic characteristics were evaluated. RESULTS LAT was observed in 13 (8.8%) of 148 patients with sub-therapeutic anticoagulation, and in 3 (3.6%) of 83 patients with sufficient anticoagulation. The presence of LAT was associated with higher CHADS(2) score, decreased LA volume changes and the presence of spontaneous echocardiographic contrast (SEC) in patients with sub-therapeutic anticoagulation. Patients with LAT after sufficient anticoagulation were male with permanent AF who had decreased left ventricular systolic and diastolic function and dilated LA on TTE and SEC, and reduced appendage flow velocity on TEE. Patients with LAT had worse cardiovascular outcomes compared with those without LAT (p=0.02). CONCLUSIONS We demonstrated that LAT was a univariate risk factor associated with worse cardiovascular outcomes, which was observed in 8.8% of patients with sub-therapeutic anticoagulation and 3.6% of patients with sufficient anticoagulation.
Collapse
Affiliation(s)
- Shota Fukuda
- Department of Medicine, Cardiovascular Division, Osaka Ekisaikai Hospital, 2-1-10 Honden, Nishi-ku, Osaka 550-0022, Japan
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Clinical Utility of Multimodality LA Imaging. JACC Cardiovasc Imaging 2011; 4:788-98. [DOI: 10.1016/j.jcmg.2011.02.018] [Citation(s) in RCA: 175] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Revised: 01/28/2011] [Accepted: 02/15/2011] [Indexed: 11/23/2022]
|
15
|
Rohner A, Brinkert M, Kawel N, Buechel RR, Leibundgut G, Grize L, Kühne M, Bremerich J, Kaufmann BA, Zellweger MJ, Buser P, Osswald S, Handke M. Functional assessment of the left atrium by real-time three-dimensional echocardiography using a novel dedicated analysis tool: initial validation studies in comparison with computed tomography. ACTA ACUST UNITED AC 2011; 12:497-505. [PMID: 21685196 DOI: 10.1093/ejechocard/jer066] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AIMS A novel real-time three-dimensional echocardiography (RT3DE) analysis tool specifically designed for evaluation of the left atrium enables comprehensive evaluation of left atrial (LA) size, global, and regional function using a dynamic 16-segment model. The aim of this study was the initial validation of this method using computed tomography (CT) as the method of reference. METHODS AND RESULTS The study population consisted of 34 prospectively enrolled patients with clinical indication for pulmonary vein isolation. A dynamic polyhedron model of the left atrium was generated using RT3DE. LA maximum and minimum volumes (LA(max)/LA(min)) and emptying fraction (LAEF) were determined and compared with the results obtained by CT. High correlations between RT3DE and CT were found for LA(max) (r = 0.92, P < 0.001), LA(min) (r = 0.95, P < 0.001), and LAEF (r = 0.82, P < 0.001). LA(max) and LA(min) were lower by RT3DE than by CT (95.0 ± 44.7 vs. 119.8 ± 50.5 mL, P < 0.001 and 58.1 ± 41.3 vs. 83.3 ± 52.6 mL, P < 0.001, respectively), whereas LAEF was measured higher by RT3DE (42.8 ± 15.2 vs. 34.2 ± 15.4%, P < 0.001, respectively). RT3DE measurements closely correlated in terms of intra-observer (intra-class correlation r = 0.99, r = 0.99, r = 0.96, respectively) and inter-observer variability (r = 0.97, r = 0.98, r = 0.88, respectively). CONCLUSIONS LA volumes and EF as assessed by RT3DE correlate highly with CT measurements, albeit there is some bias between the imaging modalities. Most importantly, RT3DE measurements using the novel dedicated LA analysis tool are robust in terms of observer variability and thus suitable for follow-up analyses.
Collapse
Affiliation(s)
- Andreas Rohner
- Department of Cardiology, University Hospital Basel, Petersgraben 4, Basel, Switzerland.
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
16
|
Mancuso FJN, Almeida DR, Moisés VA, Oliveira WA, Mello ES, Poyares D, Tufik S, Carvalho ACC, Campos O. Left atrial dysfunction in chagas cardiomyopathy is more severe than in idiopathic dilated cardiomyopathy: a study with real-time three-dimensional echocardiography. J Am Soc Echocardiogr 2011; 24:526-32. [PMID: 21353762 DOI: 10.1016/j.echo.2011.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Indexed: 11/26/2022]
Abstract
BACKGROUND Although there is anatomopathologic evidence of atrial involvement in Chagas cardiomyopathy (CCM), the impact in left atrial (LA) function is unknown. The aim of this study was to evaluate LA function in patients with CCM with real-time three-dimensional echocardiography (RT3DE) and to compare it with patients with idiopathic dilated cardiomyopathy (DCM). METHODS A total of 30 patients with CCM, 30 patients with DCM, and 20 normal subjects used as the control group were studied. With the use of RT3DE, we measured LA maximum (maxLAV), minimum, and pre-atrial contraction volumes and calculated total and active LA emptying fractions. RESULTS Left ventricular ejection fraction and mitral regurgitation were similar in both groups. MaxLAV/m(2) was larger in the CCM group than in the DCM group (76.9 ± 21.9 mL vs. 59.1 ± 26.0 mL; P < .01), and both were significantly larger than in the control group (P < .01). Total LA emptying fraction was lower in the CCM group than in the DCM group (0.30 ± 0.10 vs. 0.40 ± 0.12; P < .01), and both were lower than in the control group (P = .01). Active LA emptying fraction was also lower in the CCM group than in the DCM group (0.22 ± 0.09 vs. 0.28 ± 0.11; P < .01), and both were lower than in the control group (P = .01). The E/e' ratio was higher in the CCM group than in the DCM group (21 ± 10 vs. 15 ± 6; P < .01), and both were greater than in the control group (P < .01). In a multiple regression model, the E/e' ratio was the only independent predictor of a worsening active LA emptying fraction. CONCLUSION LA function is more compromised in patients with CCM than in patients with DCM. This finding indicates a more diffuse and severe myocardial impairment in Chagas disease that is probably related to increased left ventricular filling pressures and atrial myopathy.
Collapse
Affiliation(s)
- Frederico J N Mancuso
- Discipline of Cardiology, Department of Internal Medicine, Federal University of São Paulo, Sao Paulo, Brazil
| | | | | | | | | | | | | | | | | |
Collapse
|
17
|
Yakar Tuluce S, Kayikcioglu M, Tuluce K, Yilmaz MG, Ozdogan O, Aydın M, Hasdemir C. Assessment of Left Atrial Appendage Function during Sinus Rhythm in Patients with Hypertrophic Cardiomyopathy: Transesophageal Echocardiography and Tissue Doppler Study. J Am Soc Echocardiogr 2010; 23:1207-16. [DOI: 10.1016/j.echo.2010.08.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Indexed: 11/29/2022]
|
18
|
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]
|
19
|
Kataoka A, Funabashi N, Takahashi A, Yajima R, Takahashi M, Uehara M, Takaoka H, Saito M, Yamaguchi C, Lee K, Nomura F, Komuro I. Quantitative evaluation of left atrial volumes and ejection fraction by 320-slice computed-tomography in comparison with three- and two-dimensional echocardiography: a single-center retrospective-study in 22 subjects. Int J Cardiol 2010; 153:47-54. [PMID: 20826014 DOI: 10.1016/j.ijcard.2010.08.036] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2010] [Revised: 06/24/2010] [Accepted: 08/07/2010] [Indexed: 12/25/2022]
Abstract
PURPOSE To evaluate efficacy and reproducibility of 320-slice computed tomography (CT) for measuring left atrial (LA) maximum (LAVmax) and minimum volume (LAVmin) during the cardiac cycle, we compared CT with three- and two-dimensional (3D and 2D) transthoracic echocardiogram (TTE). MATERIALS AND METHODS LAVmax and LAVmin (ml), and LA ejection fraction (LAEF) (%) were assessed in 22 consecutive subjects (15 males, 59.5 ± 15.1 years) using retrospective electrocardiogram gated 320-slice CT (Aquilion One, Toshiba Medical) and 3D-TTE (IE-33, Phillips). LAVmax and LAVmin were selected from the time volume curve. LAEF was calculated as (LAVmax-LAVmin)/LAVmax×100(%). RESULTS Mean ± standard deviation (SD) of LAVmax and LAV min were significantly larger by CT than 3D-TTE or 2D-TTE (both P<0.01). LAEF was 25.3 ± 13.1% by CT, 30.2 ± 6.8% by 3D-TTE (P=NS) and 33.9 ± 8.9% by 2D-TTE (P<0.05). The correlation coefficients (CCs) between CT and 3D-TTE in LAVmax, LAmin, and LAEF were 0.64, 0.68 and 0.57, respectively. Mean difference ± 1.96SD of LAVmax, LAVmin and LAEF by Bland and Altman analysis calculated from CT minus 3D-TTE were 48.8 ± 59.1 ml, 41.1 ± 63.2 ml, and -4.9 ± 21.1%, respectively. The CCs and mean difference ± 1.96SD between CT and 2D-TTE had similar tendencies. The CCs of interobserver variation were (for CT, 3D-TTE, 2D-TTE, respectively): 0.90, 0.95 and 0.94 (LAVmax), 0.97 and 0.97 and 0.93 (LAVmin), and 0.64, 0.77 and 0.34 (LAEF). CONCLUSIONS 320-slice CT enables direct LAV measurements and has high reproducibility and positive correlation with 3D and 2D TTE. Absolute value of LAV by CT was larger than that by 3D and 2D TTE.
Collapse
Affiliation(s)
- Akihisa Kataoka
- Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba City, Chiba 260-8670, Japan
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
20
|
Left Atrial Phasic Volumes Are Modulated by the Type Rather Than the Extent of Left Ventricular Hypertrophy. J Am Soc Echocardiogr 2010; 23:538-44. [DOI: 10.1016/j.echo.2010.01.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2009] [Indexed: 11/21/2022]
|
21
|
Nemes A, Geleijnse ML, Soliman OII, Anwar AM, Vletter WB, McGhie JS, Csanády M, Forster T, Ten Cate FJ. [The role of real-time three-dimensional echocardiography in the evaluation of hypertrophic cardiomyopathy]. Orv Hetil 2009; 150:1925-31. [PMID: 19812010 DOI: 10.1556/oh.2009.28710] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Hypertrophic cardiomyopathy is a relatively common hereditary disorder, which is associated with cardiac morphologic and functional alterations. Echocardiography is a non-invasive, simple and easy-to-learn method to evaluate patients with cardiomyopathy. The aim of this review paper is to demonstrate the possible diagnostic role of one of the newest echocardiographic development, the real-time 3-dimensional echocardiography in the evaluation of hypertrophic cardiomyopathy.
Collapse
Affiliation(s)
- Attila Nemes
- Erasmus MC, Thoraxcentrum Kardiológiai Klinika Rotterdam.
| | | | | | | | | | | | | | | | | |
Collapse
|
22
|
Geske JB, Sorajja P, Nishimura RA, Ommen SR. The Relationship of Left Atrial Volume and Left Atrial Pressure in Patients With Hypertrophic Cardiomyopathy: An Echocardiographic and Cardiac Catheterization Study. J Am Soc Echocardiogr 2009; 22:961-6. [DOI: 10.1016/j.echo.2009.05.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2008] [Indexed: 12/01/2022]
|
23
|
Left atrial function assessed by real-time 3-dimensional echocardiography is related to right ventricular systolic pressure in chronic mitral regurgitation. Am Heart J 2009; 158:309-16. [PMID: 19619710 DOI: 10.1016/j.ahj.2009.05.030] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2009] [Accepted: 05/25/2009] [Indexed: 11/21/2022]
Abstract
BACKGROUND Left atrial (LA) volume is a prognostic index in chronic mitral regurgitation (MR). However, little is known about LA function in this setting. We hypothesized that LA dysfunction is related to pulmonary hypertension in chronic MR. METHODS Seventy-one patients with organic chronic MR who underwent real-time 3-dimensional transthoracic echocardiography (RT3DE) were studied. Left atrial volumes and peak passive and active LA emptying rates were obtained. Total LA emptying fraction was calculated as follows: [(maximum - minimum LA volume)/maximum LA volume] x 100. Similarly, active and passive LA emptying fractions were calculated. From transmitral flow, the peak early (E) and late (A) diastolic filling velocities and E/A ratio were obtained. The early (E') and late (A') diastolic myocardial velocities were obtained by tissue Doppler interrogation of mitral annulus. RESULTS Effective regurgitant orifice area (EROA) was 0.57 +/- 0.29 cm(2). Right ventricular systolic pressure (RVSP) was measured in 57 patients and averaged 37 +/- 13 mm Hg. Patients with MR and high RVSP displayed higher minimum LA volume, E/A ratio, E/E' ratio, EROA, and MR volume, and lower A' velocity, peak active LA emptying rate, active LA emptying fraction, and total LA emptying fraction than patients with MR and normal RVSP. Multiple regression analysis revealed that EROA (r = 0.51, P = .01) active LA emptying fraction (r = -0.53, P = .02), E/E' ratio (r = 0.50; P = .04), and the lateral A' velocity (r = -0.46; P = .003) were independently correlated with RVSP. CONCLUSIONS Left atrial function determined by RT3DE had significant correlation with RVSP in chronic MR, irrespective of MR severity. Thus, pulmonary hypertension in chronic MR may depend not only on MR severity but also on LA function.
Collapse
|
24
|
Shin MS, Kim BR, Oh KJ, Bong JM, Chung WJ, Kang WC, Han SH, Moon CI, Ahn TH, Choi IS, Shin EK. Echocardiographic assessments of left atrial strain and volume in healthy patients and patients with mitral valvular heart disease by tissue Doppler imaging and 3-dimensional echocardiography. Korean Circ J 2009; 39:280-7. [PMID: 19949613 PMCID: PMC2771819 DOI: 10.4070/kcj.2009.39.7.280] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 02/24/2009] [Accepted: 03/10/2009] [Indexed: 12/03/2022] Open
Abstract
Background and Objectives The purpose of the current study was to assess left atrial (LA) physiology in relation to associations between LA volume change and regional tissue velocities and strains, and to extend this information to patients with mitral stenosis (MS) or mitral regurgitation (MR). Subjects and Methods Twenty-two healthy persons, 22 patients with moderate-to-severe MS, and 22 patients with moderate-to-severe MR were studied. Tissue velocities, strains, and time-volume curves of the LA were acquired using tissue Doppler imaging and 3-dimensional echocardiography. Results In healthy controls, the maximal LA volume was negatively correlated with the posterior wall longitudinal systolic strain (r=-0.45, p=0.03). The time-to-maximal LA volume was positively correlated with the time-to-posterior wall longitudinal peak strain (r=0.46, p=0.03) and the time-to-circumferential peak strain (r=0.59, p=0.004). The LA active emptying fraction (LAactEF) was positively correlated with the posterior wall longitudinal peak systolic and late diastolic tissue velocities. In patients with MS, the maximal LA volume was negatively correlated with the posterior wall radial peak systolic velocity and the longitudinal late diastolic velocity. In patients with MS, the LAactEF had an additional positive correlation with the anterior wall longitudinal and circumferential systolic velocities, whereas the patients with MR had an additional positive correlation between the LAactEF and the lateral wall longitudinal peak strain as compared with the healthy cantrols. Conclusion LA longitudinal and circumferential deformations are more related than radial deformation to determining LA volume and function. The LA of patients with MS revealed a greater pathologic physiology than those of patients with MR.
Collapse
Affiliation(s)
- Mi-Seung Shin
- Division of Cardiology, Department of Internal Medicine, Gachon University of Medicine and Science, Gil Medical Center, Incheon, Korea
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
25
|
Shiota T. 3D echocardiography: The present and the future. J Cardiol 2008; 52:169-85. [DOI: 10.1016/j.jjcc.2008.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2008] [Accepted: 09/04/2008] [Indexed: 12/14/2022]
|
26
|
Hage FG, Karakus G, Luke, Jr. WD, Suwanjutah T, Nanda NC, Aqel RA. Effect of Alcohol-Induced Septal Ablation on Left Atrial Volume and Ejection Fraction Assessed by Real Time Three-Dimensional Transthoracic Echocardiography in Patients with Hypertrophic Cardiomyopathy. Echocardiography 2008; 25:784-9. [DOI: 10.1111/j.1540-8175.2008.00735.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
|
27
|
Impact of Septal Myectomy on Left Atrial Volume and Left Ventricular Diastolic Filling Patterns: An Echocardiographic Study of Young Patients with Obstructive Hypertrophic Cardiomyopathy. J Am Soc Echocardiogr 2008; 21:684-8. [DOI: 10.1016/j.echo.2007.11.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2007] [Indexed: 11/23/2022]
|
28
|
Delgado V, Vidal B, Sitges M, Tamborero D, Mont L, Berruezo A, Azqueta M, Paré C, Brugada J. Fate of left atrial function as determined by real-time three-dimensional echocardiography study after radiofrequency catheter ablation for the treatment of atrial fibrillation. Am J Cardiol 2008; 101:1285-90. [PMID: 18435959 DOI: 10.1016/j.amjcard.2007.12.028] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2007] [Revised: 12/19/2007] [Accepted: 12/19/2007] [Indexed: 10/22/2022]
Abstract
Radiofrequency catheter ablation has been demonstrated to be effective in the treatment of patients with atrial fibrillation. However, its impact on left atrial (LA) function has not been widely studied. The purpose of the present study was to evaluate the impact of radiofrequency catheter ablation on LA function in patients with atrial fibrillation. Thirty-eight patients with symptomatic drug-refractory atrial fibrillation were treated with circumferential pulmonary vein ablation (CPVA). LA volumes and function were assessed with real-time 3-dimensional echocardiography before and 6 months after the procedure. The effectiveness of CPVA was evaluated at 6-month follow-up. Recurrence of the arrhythmia was defined as any documented (clinically or on 24-hour Holter electrocardiography) atrial tachyarrhythmia lasting>30 seconds after the first 12 weeks after the procedure. CPVA induced a reduction of maximum LA volume (from 55+/-15 to 48+/-16 ml, p<0.001), without impairment in LA function, measured as the active emptying percentage of total volume (32+/-29% vs 39+/-33%, p=NS). At follow-up, 21 patients (61.8%) had no recurrences. Maximum LA volumes were significantly larger in patients who presented with recurrences compared with those who did not (64+/-18 vs 50+/-11 ml, p=0.01). In conclusion, CPVA induces a reduction in LA volume without a deleterious impact on function, and, of importance, real-time 3-dimensional echocardiography is a useful noninvasive imaging tool to follow up LA remodeling and function in these patients.
Collapse
|
29
|
Kawanishi Y, Ito T, Futai R, Iimori A, Ukimura A, Sohmiya K, Terasaki F, Suwa M, Kitaura Y. Left Atrial Dyssynchrony in Patients With Nonobstructive Hypertrophic Cardiomyopathy Evaluated by Myocardial Strain Imaging. J Echocardiogr 2008. [DOI: 10.2303/jecho.6.46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|