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Scheggi V, Castellini G, Vanni F, Menale S, Filardo C, Gironi V, Rinaldi A, Zoppetti N, Alterini B, Ricca V, Marchionni N. Echocardiographic Abnormalities in Adults With Anorexia Nervosa. Am J Cardiol 2022; 175:152-157. [PMID: 35597626 DOI: 10.1016/j.amjcard.2022.03.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
Abstract
Anorexia nervosa (AN) is a psychiatric disorder that may lead to cardiac complications. The objective of this study was to evaluate global and regional longitudinal strain changes in patients affected by AN as an early marker of myocardial damage. We prospectively enrolled 48 consecutive patients with AN and 44 age-matched and gender-matched healthy controls. In all subjects, we performed echocardiography, including global longitudinal strain (GLS) measurement. A subset of 33 patients with AN had further echocardiographic examinations during the follow-up. Compared with healthy controls, patients with AN had a greater prevalence of pericardial effusion (9 of 48 vs 0 of 44, p = 0.003), a smaller left ventricular mass (63 ± 15 vs 99 ± 30 g, p < 0.001), a lower absolute value of GLS (-18.9 ± 2.8 vs -20.2 ± 1.8%, p = 0.010) and of basal LS (-15.4 ± 6.0 vs -19.4 ± 2.6%, p < 0.001). The bull's eye mapping showed a plot pattern with blue basal areas in 18 of 48 patients with AN versus 1 of 44 controls (p < 0.001). During the follow-up, of 13 patients with blue areas in the first bull's eye mapping, 11 recovered completely, and of 20 patients with a red bull's eye at the first examination, none presented blue areas at the second one. In conclusion, GLS is significantly altered in patients with AN, and a basal blue pattern on bull's eye mapping identifies more severe cases. These changes seem to be reversible.
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Affiliation(s)
| | | | - Francesco Vanni
- Division of General Cardiology, Cardiothoracic Vascular Department, Azienda Ospedaliero-Universitaria Careggi and University of Florence, Italy
| | - Silvia Menale
- Division of General Cardiology, Cardiothoracic Vascular Department, Azienda Ospedaliero-Universitaria Careggi and University of Florence, Italy
| | | | | | | | - Nicola Zoppetti
- Institute of Applied Physics "Nello Carrara" (IFAC), National Research Council, Sesto Fiorentino, Italy
| | | | | | - Niccolò Marchionni
- Division of General Cardiology, Cardiothoracic Vascular Department, Azienda Ospedaliero-Universitaria Careggi and University of Florence, Italy
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Patel MD, Myers C, Negishi K, Singh GK, Anwar S. Two-Dimensional Strain is more Precise than Conventional Measures of Left Ventricular Systolic Function in Pediatric Patients. Pediatr Cardiol 2020; 41:186-193. [PMID: 31707490 DOI: 10.1007/s00246-019-02243-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 10/31/2019] [Indexed: 12/17/2022]
Abstract
Ejection fraction (EF) and fractional shortening (FS) are standard methods of quantifying left ventricular (LV) systolic function. 2D global longitudinal strain (2D GLS) is a well-established, but underutilized method for LV function quantification. The aim of this study was to assess precision of GLS compared to EF & FS in pediatrics. Echocardiograms were prospectively analyzed by 2 blinded observers. FS, EF, and GLS were calculated following standard methods. Bland-Altman was applied to assess agreement. Intraclass correlation coefficient (ICC) was used to measure reliability. Coefficient of variation was used to demonstrate relative variability between methods. 103 pediatric echos were evaluated for inter-observer reproducibility, and 15 patients for intra-observer reproducibility. GLS had higher inter-observer agreement and reliability (bias 7%, 95% LOA - 3.4 to + 3.5, ICC 0.86 CI 0.80-0.90) compared to EF (bias 27%, 95% LOA - 18.9 to + 19.5; ICC 0.25 CI 0.07-0.43) and FS (bias 12%, 95% LOA - 11.9 to + 12.2; ICC 0.53 CI 0.38-0.66). GLS also had higher intra-observer agreement (bias 4%, 95% LOA - 3.6 to + 3.7; ICC 0.87 CI 0.66-0.96) compared to EF (bias 11%, 95% LOA - 14.9 to + 15.1; ICC 0.26 CI - 0.28-0.67) and FS (bias 12%, 95% LOA - 12.2 to + 12.5; ICC 0.38 CI - 0.15-0.74). GLS is a more precise method for quantifying LV function in pediatrics, with lower variability compared to EF and FS. GLS provides a more reliable evaluation of LV systolic function and should be utilized more widely in pediatrics.
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Affiliation(s)
- Meghna D Patel
- Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA. .,Division of Pediatric Cardiology, Lucile Packard Children's Hospital, Stanford University, 750 Welch Road, Suite 321, Palo Alto, CA, 94304, USA.
| | - Craig Myers
- Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Kazuaki Negishi
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - Gautam K Singh
- Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Shafkat Anwar
- Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
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Karagodin I, Genovese D, Kruse E, Patel AR, Rashedi N, Lang RM, Mor-Avi V. Contrast-enhanced echocardiographic measurement of longitudinal strain: accuracy and its relationship with image quality. Int J Cardiovasc Imaging 2019; 36:431-439. [PMID: 31720940 DOI: 10.1007/s10554-019-01732-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 11/05/2019] [Indexed: 02/06/2023]
Abstract
The importance of left ventricular (LV) global longitudinal strain (GLS) is increasingly recognized in multiple clinical scenarios. However, in patients with poor image quality, strain is difficult or impossible to measure without contrast enhancement. The feasibility of contrast-enhanced GLS measurement was recently demonstrated. We sought to determine: (1) whether contrast enhancement improves the accuracy of GLS measurements against cardiac magnetic resonance (CMR) reference, (2) their reproducibility compared to non-enhanced GLS, and (3) the dependence of accuracy and reproducibility on image quality. We prospectively enrolled 25 patients undergoing clinically indicated CMR imaging who subsequently underwent transthoracic echocardiography (TTE) with and without low-dose contrast injection (1-2 mL Optison/3-5 mL saline IV, GE Healthcare). GLS was measured from both non-contrast and contrast-enhanced images using speckle tracking (EchoInsight, Epsilon Imaging). These measurements were compared to each other and to CMR reference values obtained using feature tracking (SuiteHEART, NeoSoft). Inter-technique comparisons included linear regression and Bland-Altman analyses. A random subgroup of 15 patients was used to assess inter- and intra-observer variability using intra-class correlation (ICC). Contrast-enhanced GLS was in close agreement with non-enhanced GLS (r = 0.95; bias: - 0.2 ± 1.5%). Both inter-observer (ICC = 0.88 vs. 0.82) and intra-observer variability (ICC = 0.91 vs. 0.88) were improved by contrast enhancement. The agreement with CMR was better for contrast-enhanced GLS (r = 0.87; bias: 1.1 ± 2.2%) than for non-enhanced GLS (r = 0.80; bias: 1.3 ± 2.7%). In 12/25 patients with suboptimal TTE images that rendered GLS difficult to measure, contrast-enhanced GLS showed better agreement with CMR than non-enhanced GLS (r = 0.88 vs. 0.83) and also improved inter-observer (ICC = 0.83 vs. 0.76) and intra-observer variability (ICC = 0.88 vs. 0.82). In conclusion, contrast enhancement of TTE images improves the accuracy and reproducibility of GLS measurements, resulting in better agreement with CMR, even in patients with suboptimal acoustic windows. This approach may aid in the assessment of LV function in this patient population.
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Affiliation(s)
- Ilya Karagodin
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Davide Genovese
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA.,Department of Cardiac Thoracic, and Vascular Sciences, University of Padua, Padua, Italy
| | - Eric Kruse
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Amit R Patel
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Nina Rashedi
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Roberto M Lang
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Victor Mor-Avi
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA.
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Okada M, Kashiwase K, Hirata A, Takeda Y, Amiya R, Ueda Y, Higuchi Y, Yasumura Y. Clinical Influence and Predictors of Pacing-Induced Mechanical Asynchrony in Patients with Normal Cardiac Function with Ventricular Lead Placed in Non-Apical Position. Int Heart J 2018; 59:1275-1287. [PMID: 30393263 DOI: 10.1536/ihj.17-672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Right ventricular apical (RVA) pacing often causes left ventricular (LV) mechanical asynchrony, which is enhanced by impaired cardiac contraction and intrinsic conduction abnormality. However, data on patients with normal cardiac function and under RV non-apical (non-RVA) pacing are limited.We retrospectively investigated 97 consecutive patients with normal ejection fraction who received pacemaker implantation for atrioventricular block with the ventricular lead placed in a non-RVA position. We defined mechanical asynchrony as discoordinate contraction between opposing regions of the LV wall evaluated by echocardiography. Asynchrony was detected in 9 (9%) patients at baseline and in 38 (39%) under non-RVA pacing (P < 0.001). Asynchrony at baseline was significantly associated with complete left bundle branch block (CLBBB) [odds ratio (OR) = 20.8, P < 0.001]. Asynchrony under non-RVA pacing was significantly associated with left anterior fascicular block (LAFB) (OR = 7.14, P < 0.001) and CLBBB (OR = 13.3, P = 0.002) at baseline. New occurrence of asynchrony was significantly associated with LAFB at baseline (OR = 5.88, P = 0.001). During a median follow-up period of 4.8 years, the incidence of device-detected atrial fibrillation (AF) was more frequent in patients who developed asynchrony than in those who did not (53.3% versus 27.5%, hazard ratio = 2.17, 95% confidence interval = 1.02-4.61, P = 0.03).In patients with normal cardiac function, LAFB at baseline was significantly associated with new occurrence of mechanical asynchrony under non-RVA pacing. Abnormal contraction had a significant influence on the incidence of device-detected AF.
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Affiliation(s)
| | | | - Akio Hirata
- Cardiovascular Division, Osaka Police Hospital
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Medvedofsky D, Lang RM, Kruse E, Guile B, Weinert L, Ciszek B, Jacobson Z, Negron J, Volpato V, Prado A, Patel AR, Mor-Avi V. Feasibility of Left Ventricular Global Longitudinal Strain Measurements from Contrast-Enhanced Echocardiographic Images. J Am Soc Echocardiogr 2018; 31:297-303. [DOI: 10.1016/j.echo.2017.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Indexed: 11/28/2022]
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Salazar-Marín S, Valencia JM, Hernández-Vásquez OM, Estrada JM. Utilidad del strain sistólico pico longitudinal bidimensional en pacientes con diagnóstico clínico de infarto del miocardio sin elevación del ST. REVISTA COLOMBIANA DE CARDIOLOGÍA 2017. [DOI: 10.1016/j.rccar.2017.04.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Medvedofsky D, Kebed K, Laffin L, Stone J, Addetia K, Lang RM, Mor-Avi V. Reproducibility and experience dependence of echocardiographic indices of left ventricular function: Side-by-side comparison of global longitudinal strain and ejection fraction. Echocardiography 2017; 34:365-370. [PMID: 28185312 DOI: 10.1111/echo.13446] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Although left ventricular (LV) ejection fraction (EF) and global longitudinal strain (GLS) are recommended by the current echocardiographic chamber quantification guidelines, these measurements are not performed routinely. Because EF measurements rely on manual tracing of LV boundaries, and are subject to inter-reader variability and experience dependence, we hypothesized that semiautomated GLS measurements using speckle tracking would be more reproducible and less experience-dependent. METHODS Images from 30 patients were analyzed to obtain biplane EF using manual tracing. GLS was measured in three long-axis views using EchoInsight software (Epsilon Imaging) that automatically detects LV endocardial boundary, which is edited manually as necessary and is then automatically tracked throughout the cardiac cycle. All measurements were performed by an expert echocardiographer and three first-year cardiology fellows. RESULTS Semiautomated GLS analysis showed excellent correlation (r=.98) and small bias (-1.0±13% of measured value) between the experienced and less experienced readers, superior to EF (r=.91, bias 7.3±16%). Also, in repeated measurements, GLS showed higher intra-class correlation (ICC=.98) than EF (ICC=.89). Additionally, GLS analysis required ~1 minute per patient, while biplane EF measurements took twice as long. CONCLUSIONS Semiautomated GLS measurements are fast, less experience-dependent, and more reproducible than conventional EF measurements. This is probably because, irrespective of experience, the readers' choice of boundary position varies less when asked to refine the automated detection than to draw borders without initial clues. This technique may facilitate the workflow of a busy laboratory and make a step forward toward incorporating quantitative analysis into everyday echocardiography practice.
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Affiliation(s)
- Diego Medvedofsky
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Kalie Kebed
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Luke Laffin
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Jeremy Stone
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Karima Addetia
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Roberto M Lang
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
| | - Victor Mor-Avi
- Department of Medicine, University of Chicago Medical Center, Chicago, IL, USA
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Benyounes N, Lang S, Gout O, Ancédy Y, Etienney A, Cohen A. Could quantitative longitudinal peak systolic strain help in the detection of left ventricular wall motion abnormalities in our daily echocardiographic practice? Arch Cardiovasc Dis 2016; 109:533-541. [DOI: 10.1016/j.acvd.2016.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 02/04/2016] [Accepted: 02/05/2016] [Indexed: 10/21/2022]
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Liu D, Hu K, Nordbeck P, Ertl G, Störk S, Weidemann F. Longitudinal strain bull's eye plot patterns in patients with cardiomyopathy and concentric left ventricular hypertrophy. Eur J Med Res 2016; 21:21. [PMID: 27165726 PMCID: PMC4862218 DOI: 10.1186/s40001-016-0216-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 05/02/2016] [Indexed: 02/06/2023] Open
Abstract
Despite substantial advances in the imaging techniques and pathophysiological understanding over the last decades, identification of the underlying causes of left ventricular hypertrophy by means of echocardiographic examination remains a challenge in current clinical practice. The longitudinal strain bull’s eye plot derived from 2D speckle tracking imaging offers an intuitive visual overview of the global and regional left ventricular myocardial function in a single diagram. The bull’s eye mapping is clinically feasible and the plot patterns could provide clues to the etiology of cardiomyopathies. The present review summarizes the longitudinal strain, bull’s eye plot features in patients with various cardiomyopathies and concentric left ventricular hypertrophy and the bull’s eye plot features might serve as one of the cardiac workup steps on evaluating patients with left ventricular hypertrophy.
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Affiliation(s)
- Dan Liu
- Comprehensive Heart Failure Center, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Kai Hu
- Comprehensive Heart Failure Center, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Peter Nordbeck
- Comprehensive Heart Failure Center, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Georg Ertl
- Comprehensive Heart Failure Center, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Stefan Störk
- Comprehensive Heart Failure Center, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Frank Weidemann
- Comprehensive Heart Failure Center, Würzburg, Germany. .,Innere Klinik II, Medical Clinic II, Katharinen-Hospital, Obere Husemannstraße 2, 59423, Unna, Germany.
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Benyounes N, Lang S, Soulat-Dufour L, Obadia M, Gout O, Chevalier G, Cohen A. Can global longitudinal strain predict reduced left ventricular ejection fraction in daily echocardiographic practice? Arch Cardiovasc Dis 2014; 108:50-6. [PMID: 25530159 DOI: 10.1016/j.acvd.2014.08.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 08/28/2014] [Accepted: 08/29/2014] [Indexed: 12/20/2022]
Abstract
BACKGROUND Transthoracic echocardiography (TTE) is the most commonly used method for measuring left ventricular ejection fraction (LVEF), but its reproducibility remains a matter of controversy. Speckle tracking echocardiography assesses myocardial deformation and left ventricular systolic function by measuring global longitudinal strain (GLS), which is more reproducible, but is not used routinely in hospital practice. AIM To investigate the feasibility of on-line two-dimensional GLS in predicting LVEF during routine echocardiographic practice. METHODS The analysis involved 507 unselected consecutive patients undergoing TTE between August 2012 and November 2013. Echocardiograms were performed by a single sonographer. Echogenicity was noted as good, moderate or poor. Simple linear regression was used to assess the relationship between LVEF and GLS, overall and according to quality of echogenicity. Receiver operating curve (ROC) analysis was used to identify the threshold GLS that predicts LVEF≤40%. RESULTS Mean LVEF was 64±11% and GLS was -18.0±4.0%. A reasonable correlation was found between LVEF and GLS (r=-0.53; P<0.001), which was improved when echogenicity was good (r=-0.60; P<0.001). GLS explained 28.1% of the variation in LVEF, and for one unit decrease in GLS, a 1.45 unit increase in LVEF was expected. Correlations between LVEF and GLS were -0.51 for patients in sinus rhythm (n=490) and -0.86 in atrial fibrillation (n=17). Based on ROC analysis, the area under the curve was 0.97 for GLS≥-14%, allowing detection of LVEF≤40% with a sensitivity of 95% and specificity of 86%. CONCLUSION Two-dimensional GLS is easy to obtain and accurately detects LVEF≤40% in unselected patients. GLS may be especially helpful when a suboptimal acoustic window makes LVEF measurement by Simpson's biplane method difficult and in atrial fibrillation patients with low heart rate variability.
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Affiliation(s)
| | - Sylvie Lang
- Department of Cardiology, Saint-Antoine Hospital, Paris, France
| | | | - Michaël Obadia
- Department of Neurology, Fondation A. de Rothschild, Paris, France
| | - Olivier Gout
- Department of Neurology, Fondation A. de Rothschild, Paris, France
| | | | - Ariel Cohen
- Department of Cardiology, Saint-Antoine Hospital, Paris, France
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