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Ying Y, Ye J, Yuan Z, Cai D. Association of anaemia on heart failure and left ventricular function: A bidirectional Mendelian randomization study. ESC Heart Fail 2024; 11:299-305. [PMID: 37984882 PMCID: PMC10804204 DOI: 10.1002/ehf2.14579] [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] [Received: 08/17/2023] [Revised: 10/10/2023] [Accepted: 10/29/2023] [Indexed: 11/22/2023] Open
Abstract
AIMS Observational studies have suggested that anaemia is associated with an increased risk of heart failure (HF). But the potential causal association is not clear. We aimed to investigate the association between anaemia and HF risk. METHODS AND RESULTS A Mendelian randomization (MR) analysis was performed to confirm the causal association of anaemia with the risk of HF and left ventricular structure and function. Furthermore, a reverse-direction MR analyses was conducted to assess the causal effect of HF on anaemia. The MR analysis indicated that genetically predicted anaemia is associated with the increased risk of HF (meta: odd ratio (OR) = 1.12; 95% confidence interval (CI) [1.04, 1.20]; P = 0.002), and left ventricular mass index (β = 1.051; 95% CI [0.384, 1.718]; P = 0.002), left ventricular mass (β = 2.063; 95% CI [0.578, 3.547]; P = 0.006), left atrial minimum volume (β = 0.076; 95% CI [0.008, 0.143]; P = 0.028), and left atrial maximum volume (β = 0.090; 95% CI [0.023, 0.157]; P = 0.009). In the reverse-direction MR analyses, we found that genetic susceptibility to HF was significantly associated with the increased risk of anaemia (meta: OR = 1.40; 95% CI [1.24, 1.59]; P = 1.79 × 10-7 ). CONCLUSIONS This MR study supports the genetic evidence that there is bidirectional causality between anaemia and the risk of HF as well as anaemia may cause left ventricular hypertrophy and enlargement of the left atrium. Considering the adverse causal effects between the two diseases, more attention should be paid to the prevention and treatment of anaemia in patients with HF.
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Affiliation(s)
- Yuchen Ying
- Department of CardiologyNingbo Medical Center of Lihuili HospitalNingboChina
| | - Jiachun Ye
- Department of CardiologyNingbo Medical Center of Lihuili HospitalNingboChina
| | - Zhechen Yuan
- Department of Otolaryngology Head and Neck SurgeryNingbo No. 2 HospitalNingboChina
| | - Dihui Cai
- Department of CardiologyNingbo Medical Center of Lihuili HospitalNingboChina
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Whipple NS, Joshi VM, Naik RJ, Mentnech T, McFarland MM, Nolan VG, Hankins JS. Sickle cell disease and ventricular myocardial strain: A systematic review. Pediatr Blood Cancer 2021; 68:e28973. [PMID: 33742492 PMCID: PMC9116158 DOI: 10.1002/pbc.28973] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 01/18/2021] [Accepted: 02/08/2021] [Indexed: 12/21/2022]
Abstract
Cardiac disease is the primary cause of death in sickle cell disease (SCD). Cardiac abnormalities begin in childhood and progress throughout life. Right and left ventricular (RV, LV) myocardial strain are early markers of systolic dysfunction but are not well investigated among individuals with SCD. The objectives of this review were to (1) identify all published studies that have evaluated ventricular myocardial strain, (2) summarize their values, and (3) compare findings with those obtained from controls. From search results of four electronic databases-Medline, Embase, Scopus, and Web of Science-42 potential articles were identified, of which 18 articles and 17 studies met eligibility criteria for inclusion. The evaluated studies demonstrate that RV and LV myocardial strain are generally abnormal in individuals with SCD compared with controls, despite having normal ejection/shortening fraction. Myocardial strain has been inconsistently evaluated in this population and should be considered any time an echocardiogram is performed.
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Affiliation(s)
- Nicholas S. Whipple
- Division of Hematology/Oncology, Department of Pediatrics, University of Utah and Primary Children’s Hospital, Salt Lake City, UT, USA
| | - Vijaya M. Joshi
- Division of Pediatric Cardiology, Department of Pediatrics, University of Tennessee College of Medicine, Memphis, TN, USA,Cardiopulmonary Services, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Ronak J. Naik
- Division of Pediatric Cardiology, Department of Pediatrics, University of Tennessee College of Medicine, Memphis, TN, USA,Cardiopulmonary Services, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Tisha Mentnech
- North Carolina State University Libraries, Raleigh, NC, USA
| | - Mary M. McFarland
- Eccles Health Sciences Library, University of Utah, Salt Lake City, Utah, USA
| | - Vikki G. Nolan
- Division of Epidemiology, Biostatistics and Environmental Health, University of Memphis, School of Public Health, Memphis, TN, USA
| | - Jane S. Hankins
- Department of Hematology, St Jude Children’s Research Hospital, Memphis, TN, USA
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Resende MBS, Ferrari TCA, Araujo CG, Vasconcelos MCM, Tupinambás JT, Dias RCTM, Barros FC, Januário JN, Barbosa MM, Nunes MCP. Prognostic value of left ventricular longitudinal strain by speckle-tracking echocardiography in patients with sickle cell disease. Int J Cardiovasc Imaging 2020; 36:2145-2153. [PMID: 32621039 DOI: 10.1007/s10554-020-01924-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/22/2020] [Indexed: 02/07/2023]
Abstract
Cardiovascular complications have been increasingly detected in patients with sickle cell disease (SCD). Two-dimensional speckle-tracking echocardiography (STE) detects early myocardial changes in a number of pathophysiological processes, which may be useful in SCD. This study was designed to examine the value of STE in predicting clinical outcome in adult patients with SCD. A total of 219 patients, mean age 33 ± 12 years were prospectively enrolled. Several clinical, laboratory and echocardiographic variables including left ventricular global longitudinal strain (LVGLS) by STE were assessed. The endpoint was a composite of the following events: (1) all-cause mortality, (2) three or more acute painful episodes that require hospitalization in one year, (3) acute chest syndrome and (4) hospitalization due to disease complication. The majority of the patients had enlargement of LV and left atrial (LA) with preserved ejection fraction. During the mean follow-up of 30 months, 69 patients (32%) had reached the endpoint, including eight deaths (3.7%). No difference was observed in the parameters of diastolic function comparing the patients with and without events. LVGLS ranged from - 12.25 to - 25.44 (mean - 20.26 ± 2.5), with higher values in the patients who had events compared with those who did not. In the multivariable analysis, higher LVGLS values were associated with adverse events (adjusted OR 1.25; 95% CI 1.04-1.51; p = 0.021), independently of the TR maximal velocity and LV ejection fraction. In patients with SCD, higher LV global longitudinal strain was a predictor of adverse outcome, independently of age, TR velocity and LV function.
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Affiliation(s)
| | - Teresa Cristina A Ferrari
- School of Medicine, Hospital das Clinicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | | | - Julia Teixeira Tupinambás
- Fundação Centro de Hematologia E Hemoterapia de Minas Gerais (HEMOMINAS Foundation), Belo Horizonte, Brazil
| | | | - Flávio Coelho Barros
- School of Medicine, Hospital das Clinicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - José Nélio Januário
- School of Medicine, Núcleo de Ações E Pesquisa Em Apoio Diagnóstico (Nupad), Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Maria Carmo Pereira Nunes
- School of Medicine, Hospital das Clinicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
- Department of Internal Medicine, School of Medicine of the Federal University of Minas Gerais. Av. Professor Alfredo Balena, 190, Santa Efigênia, Belo Horizonte, MG, 30130 100, Brazil.
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Evaluation of Cardiac Function in Patients with Sickle Cell Disease with Left Ventricular Global Longitudinal Strain. J Transl Int Med 2020; 8:41-47. [PMID: 32435611 PMCID: PMC7227167 DOI: 10.2478/jtim-2020-0007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Background and Objectives The importance of myocardial dysfunction in sickle cell disease (SCD) is currently debated. It is difficult to find a reliable index of function in patients with chronic overload as in SCD. Speckle tracking echocardiography, a new mean of evaluating cardiac function, might be a useful tool in SCD. It has been applied in many fields to detect early cardiac function deterioration, and it is less load dependent compared with other function parameters. Studies in patients with SCD are rare, and the results are conflicting. The present study aimed to determine whether left ventricular global longitudinal strain (LV-GLS) was abnormal in a population of adults with SCD and whether it was correlated with clinical or biological parameters. Methods We prospectively enrolled 37 patients and 34 age- and sex-matched healthy controls. Echocardiography was performed in patients and controls. Results We found that the left ventricular diameter and mass were higher and the ejection fraction and longitudinal strain were lower in patients compared with controls. Diastolic dysfunction was uncommon. LV-GLS was abnormal in 21% of the patients. No correlation was observed between strain and clinical or biological parameters. Conclusions We concluded that LV-GLS could be a useful tool for evaluating these patients. However, the clinical impact of reduced LV-GLS remains to be determined.
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