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Patsourakos D, Aggeli C, Dimitroglou Y, Delicou S, Xydaki K, Koukos M, Tsartsalis D, Gialeli F, Gatzoulis KA, Tousoulis D, Tsioufis K. Speckle tracking echocardiography and β-thalassemia major. A systematic review. Ann Hematol 2023:10.1007/s00277-023-05380-6. [PMID: 37526674 DOI: 10.1007/s00277-023-05380-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 07/19/2023] [Indexed: 08/02/2023]
Abstract
Heart disease is among the primary causes of morbidity and mortality in β-thalassemia major (β-TM). Conventional echocardiography has failed to identify myocardial dysfunction at an early stage among these patients, thus speckle tracking echocardiography (STE) has been lately used. The objectives of this review were to 1) identify all published studies having evaluated myocardial strain among β-TM patients, 2) gather their results, 3) compare their findings and 4) propose recommendations based on these data. Literature search was conducted in PubMed, SCOPUS and Cohrane Library. Data regarding left ventricular global longitudinal (LV-GLS), circumferential (LV-GCS) and radial strain (LV-GRS), right ventricular longitudinal strain (RV-GLS), left and right atrial strain were extracted. Thirty-five studies (34 original articles and 1 meta-analysis) have met the inclusion criteria. LV-GLS has been reported being worse in patients compared to controls in 13 of 21 studies, LV-GCS in 7 of 11 studies, LV-GRS in 6 of 7 studies, RV-GLS in 2 of 3 studies and left atrial strain in all case-control studies. Myocardial iron overload (MIO) patient subgroups had worse LV-GLS in 6 of 15 studies, LV-GCS in 2 of 7 studies and LV-GRS in none of 7 studies. A small number of studies suggest left atrial strain correlation with electrical atrial ectopy and atrial fibrillation. It is suggested that STE should be applied supplementary to conventional echocardiography for early identification of myocardial dysfunction among β-TM patients. Potential myocardial strain utilities could be screening for myocardial iron overload, left ventricular diastolic dysfunction and atrial fibrillation.
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Affiliation(s)
- Dimitrios Patsourakos
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece.
| | - Constantina Aggeli
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Yannis Dimitroglou
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Sophia Delicou
- Thalassemia and Sickle Cell Unit, General Hospital of Athens Ippokrateio, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Katerina Xydaki
- Thalassemia and Sickle Cell Unit, General Hospital of Athens Ippokrateio, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Markos Koukos
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Dimitrios Tsartsalis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Foteini Gialeli
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Konstantinos A Gatzoulis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Dimitrios Tousoulis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Konstantinos Tsioufis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
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Patsourakos D, Aggeli C, Gatzoulis KA, Delicou S, Dimitroglou Y, Xydaki K, Fragodimitri C, Androulakis A, Tsioufis K. Left atrial deformation indices in β-thalassemia major patients. Ann Hematol 2022; 101:1473-1483. [PMID: 35460387 DOI: 10.1007/s00277-022-04842-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 04/03/2022] [Indexed: 12/01/2022]
Abstract
The presence of atrial cardiomyopathy in β-thalassemia major (β-TM) patients complicates their clinical condition. The diagnosis is challenging even with cardiac magnetic resonance (CMR) imaging. Novel echocardiographic techniques are applied to increase the diagnostic yield. Fifty-six β-TM patients and thirty age and sex-matched controls were included in the present cross-sectional study. Heart rate, PR duration, and P axis were measured by electrocardiography, left ventricular ejection fraction (LVEF) and end-diastolic diameter (LVEDD), ratio between early mitral inflow velocity and mitral annular early diastolic velocity (E/e'), left atrial volume index (LAVI), left atrial strain at reservoir (LASr), conduit (LAScd) and contraction (LASct) phases respectively, left ventricular global longitudinal strain (GLS) by echocardiography, and T2* calculation in patient group by CMR. PR duration, LVEF, LAVI, E/e', GLS, and left atrial deformation parameters differed between patients and controls (p <0.05). In patient group, left atrial strain was correlated with PR duration, LAVI, E/e', GLS, and T2* (p <0.05). T2* was correlated only with left atrial deformation indices (p <0.05). Patients with a history of atrial fibrillation were older, had lower heart rate, prolonged PR, increased E/e' and LAVI, and impaired left atrial strain (p <0.05). LASct differed relative to the presence of atrial fibrillation and myocardial iron overload. Atrial strain could be of clinical use in the early detection of atrial cardiomyopathy. An impaired LASct could identify β-TM patients with undetected episodes of atrial fibrillation. Finally, left atrial strain may be helpful in myocardial iron load estimation.
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Affiliation(s)
- Dimitrios Patsourakos
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Attica, Athens, Greece.
| | - Constantina Aggeli
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Attica, Athens, Greece
| | - Konstantinos A Gatzoulis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Attica, Athens, Greece
| | - Sophia Delicou
- Thalassemia and Sickle Cell Unit, General Hospital of Athens Ippokrateio, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Yannis Dimitroglou
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Attica, Athens, Greece
| | - Katerina Xydaki
- Thalassemia and Sickle Cell Unit, General Hospital of Athens Ippokrateio, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Christina Fragodimitri
- Thalassemia Unit, Agia Sophia Children's Hospital, Thivon and Papadiamantopoulou Str., 11527, Athens, Greece
| | - Aristeidis Androulakis
- State Department of Cardiology, General Hospital of Athens Ippokrateio, 114 Vasilissis Sofias Avenue, 11527, Athens, Greece
| | - Konstantinos Tsioufis
- First Department of Cardiology, General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens, 114 Vasilissis Sofias Avenue, 11527, Attica, Athens, Greece
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Patsourakos D, Gatzoulis KA, Aggeli C, Delicou S, Dimitroglou Y, Xydaki K, Toutouzas K, Androulakis A, Tousoulis D. Twelve-lead and signal-averaged electrocardiographic parameters among beta-thalassemia major patients. J Arrhythm 2020; 36:920-928. [PMID: 33024470 PMCID: PMC7532271 DOI: 10.1002/joa3.12412] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 06/25/2020] [Accepted: 07/08/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The majority of beta thalassemia major (β-TM) patients suffer from cardiac disease, while a significant proportion of them die suddenly. Twelve-lead and signal-averaged electrocardiography (SAECG) are simple, inexpensive, readily available tools for identifying an unfavorable arrhythmiological substrate by detecting the presence of arrhythmias, conduction abnormalities, and late potentials (LPs) in these patients. METHODS A total of 47 β-TM patients and 30 healthy controls were submitted to 12-lead and signal-averaged electrocardiography. Basic electrocardiographic parameters and prevalence of LPs were recorded. Basic echocardiographic parameters were estimated by transthoracic echocardiography. T2* was calculated by cardiac magnetic resonance imaging wherever available. RESULTS β-TM patients demonstrated a more prolonged PR interval (167.74 msec vs 147.07 msec) (P = .043), a higher prevalence of PR prolongation (21.05% vs 0%) (P = .013), and a higher prevalence of LPs (18/47, 38.3% vs 2/30, 6.7%) (P = .002) compared with controls. The prevalence of atrial fibrillation among b-TM patients was estimated at 10.64%. Patients had also greater E/e' ratio (8.35, SD = 2.2 vs 7, SD = 2.07) (P = .012) and LAVI (30.7 mL/m2, SD = 8.76 vs 24.6 mL/m2, SD = 6.57) (P = .002) than controls. Regression analysis showed that QTc and LAVI could correctly predict the presence of LPs in the 80.9% of the patients. CONCLUSIONS β-TM patients have a higher prevalence of a prolonged PR interval, atrial fibrillation, and LPs. Twelve-lead and SAECG performance was feasible in all subjects and constitutes a readily available tool for assessing myocardial electrophysiological alterations in this patient group.
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Affiliation(s)
| | - Konstantinos A Gatzoulis
- First Department of Cardiology General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens Athens Greece
| | - Constantina Aggeli
- First Department of Cardiology General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens Athens Greece
| | - Sophia Delicou
- Thalassemia and Sickle Cell Unit General Hospital of Athens Ippokrateio Athens Greece
| | - Yannis Dimitroglou
- First Department of Cardiology General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens Athens Greece
| | - Katerina Xydaki
- Thalassemia and Sickle Cell Unit General Hospital of Athens Ippokrateio Athens Greece
| | - Konstantinos Toutouzas
- First Department of Cardiology General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens Athens Greece
| | | | - Dimitrios Tousoulis
- First Department of Cardiology General Hospital of Athens Ippokrateio, National and Kapodistrian University of Athens Athens Greece
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