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Zimmermann P, Schierbauer J, Kopf N, Sourij H, Oliver N, Aberer F, Wachsmuth NB, Moser O. Speckle-Tracking Analysis of the Right and Left Heart after Peak Exercise in Healthy Subjects with Type 1 Diabetes: An Explorative Analysis of the AppEx Trial. J Cardiovasc Dev Dis 2023; 10:467. [PMID: 37998525 PMCID: PMC10672090 DOI: 10.3390/jcdd10110467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/06/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open
Abstract
In eight healthy participants with Type 1 diabetes (T1D) exercise-related dynamic cardiac remodeling was analyzed by performing two-dimensional echocardiography, including deformation analysis of the left-ventricular (LV) global longitudinal strain (LV-GLS), and the deformation pattern of the left atrium (LA) and right ventricle (RV) at rest and post-peak performance on a bicycle. The feasibility echocardiographic speckle-tracking analysis was performed on eight asymptomatic participants with T1D (n = 8, male n = 5, age: 23-65 years). The obtained echocardiographic data were compared for various echocardiographic parameters at rest and post exercise. Across our participating T1D individuals no structural echocardiographic abnormalities of concern could be revealed. All participating T1D subjects showed preserved contractile reserve of the LV and no significant diastolic dysfunction. Significant differences were found for the phasic LA contractile strain pattern at rest and post exercise (p < 0.001), whereby the dynamic RV (p = 0.5839 and p = 0.7419) and LV strain pattern (p = 0.5952) did not reveal significant differences in comparison to resting conditions. This descriptive secondary outcome analysis describes preserved contractile reserve of the LV and elucidates dynamic modification of the phasic LA contractile deformation pattern in asymptomatic T1D individuals after exhaustive exercise on a bicycle.
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Affiliation(s)
- Paul Zimmermann
- Division of Exercise Physiology and Metabolism, BaySpo—Bayreuth Center of Sport Science, University of Bayreuth, 95440 Bayreuth, Germany; (P.Z.); (J.S.); (N.K.); (N.B.W.)
- Interdisciplinary Center of Sportsmedicine Bamberg, Klinikum Bamberg, 96049 Bamberg, Germany
- Department of Cardiology, Klinikum Bamberg, 96049 Bamberg, Germany
| | - Janis Schierbauer
- Division of Exercise Physiology and Metabolism, BaySpo—Bayreuth Center of Sport Science, University of Bayreuth, 95440 Bayreuth, Germany; (P.Z.); (J.S.); (N.K.); (N.B.W.)
| | - Niklas Kopf
- Division of Exercise Physiology and Metabolism, BaySpo—Bayreuth Center of Sport Science, University of Bayreuth, 95440 Bayreuth, Germany; (P.Z.); (J.S.); (N.K.); (N.B.W.)
| | - Harald Sourij
- Interdisciplinary Metabolic Medicine Research Group, Division of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria; (H.S.); (F.A.)
| | - Nick Oliver
- Faculty of Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK;
| | - Felix Aberer
- Interdisciplinary Metabolic Medicine Research Group, Division of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria; (H.S.); (F.A.)
| | - Nadine B. Wachsmuth
- Division of Exercise Physiology and Metabolism, BaySpo—Bayreuth Center of Sport Science, University of Bayreuth, 95440 Bayreuth, Germany; (P.Z.); (J.S.); (N.K.); (N.B.W.)
| | - Othmar Moser
- Division of Exercise Physiology and Metabolism, BaySpo—Bayreuth Center of Sport Science, University of Bayreuth, 95440 Bayreuth, Germany; (P.Z.); (J.S.); (N.K.); (N.B.W.)
- Interdisciplinary Metabolic Medicine Research Group, Division of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria; (H.S.); (F.A.)
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Li Z, Han D, Qi T, Deng J, Li L, Gao C, Gao W, Chen H, Zhang L, Chen W. Hemoglobin A1c in type 2 diabetes mellitus patients with preserved ejection fraction is an independent predictor of left ventricular myocardial deformation and tissue abnormalities. BMC Cardiovasc Disord 2023; 23:49. [PMID: 36698087 PMCID: PMC9878773 DOI: 10.1186/s12872-023-03082-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 01/18/2023] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Early detection of subclinical myocardial dysfunction in patients with type 2 diabetes mellitus (T2DM) is essential for preventing heart failure. This study aims to search for predictors of left ventricular (LV) myocardial deformation and tissue abnormalities in T2DM patients with preserved ejection fraction by using CMR T1 mapping and feature tracking. METHODS 70 patients and 44 sex- and age-matched controls (Cs) were recruited and underwent CMR examination to obtain LV myocardial extracellular volume fraction (ECV) and global longitudinal strain (GLS). The patients were subdivided into three groups, including 19 normotensive T2DM patients (G1), 19 hypertensive T2DM patients (G2) and 32 hypertensive patients (HT). The baseline biochemical indices were collected before CMR examination. RESULTS LV ECV in T2DM patients was significantly higher than that in Cs (30.75 ± 3.65% vs. 26.33 ± 2.81%; p < 0.05). LV GLS in T2DM patients reduced compared with that in Cs (-16.51 ± 2.53% vs. -19.66 ± 3.21%, p < 0.001). In the subgroup analysis, ECV in G2 increased compared with that in G1 (31.92 ± 3.05% vs. 29.59 ± 3.90%, p = 0.032) and that in HT, too (31.92 ± 3.05% vs. 29.22 ± 6.58%, p = 0.042). GLS in G2 significantly reduced compared with that in G1 (-15.75 ± 2.29% vs. -17.27 ± 2.57%, p < 0.05) and in HT, too (-15.75 ± 2.29% vs. -17.54 ± 3.097%, p < 0.05). In T2DM group, including both G1 and G2, hemoglobin A1c (HbA1c) can independently forecast the increase in ECV (β = 0.274, p = 0.001) and decrease in GLS (β = 0.383, p = 0.018). CONCLUSIONS T2DM patients with preserved ejection fraction show increased ECV but deteriorated GLS, which may be exacerbated by hypertension of these patients. Hemoglobin A1c is an index that can independently predict T2DM patients' LV myocardial deformation and tissue abnormalities.
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Affiliation(s)
- Zhiming Li
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Dan Han
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Tianfu Qi
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Jie Deng
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Lili Li
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Chao Gao
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Wei Gao
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China ,Department of Radiology, First People’s Hospital of Honghe State, 1 Xiyuan Road, Honghe, 661100 China
| | - Haiyan Chen
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Lihua Zhang
- grid.414902.a0000 0004 1771 3912Department of General Medicine, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
| | - Wei Chen
- grid.414902.a0000 0004 1771 3912Department of Radiology, First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650032 China
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The right atrium in young patients with type 1 diabetes mellitus: Insights from the three-dimensional speckle-tracking echocardiographic MAGYAR-Path Study. IJC HEART & VASCULATURE 2022; 41:101064. [PMID: 35712647 PMCID: PMC9194582 DOI: 10.1016/j.ijcha.2022.101064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/09/2022] [Accepted: 05/23/2022] [Indexed: 11/21/2022]
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Zhao X, Liu S, Wang X, Chen Y, Pang P, Yang Q, Lin J, Deng S, Wu S, Fan G, Wang B. Diabetic cardiomyopathy: Clinical phenotype and practice. Front Endocrinol (Lausanne) 2022; 13:1032268. [PMID: 36568097 PMCID: PMC9767955 DOI: 10.3389/fendo.2022.1032268] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
Diabetic cardiomyopathy (DCM) is a pathophysiological condition of cardiac structure and function changes in diabetic patients without coronary artery disease, hypertension, and other types of heart diseases. DCM is not uncommon in people with diabetes, which increases the risk of heart failure. However, the treatment is scarce, and the prognosis is poor. Since 1972, one clinical study after another on DCM has been conducted. However, the complex phenotype of DCM still has not been fully revealed. This dilemma hinders the pace of understanding the essence of DCM and makes it difficult to carry out penetrating clinical or basic research. This review summarizes the literature on DCM over the last 40 years and discusses the overall perspective of DCM, phase of progression, potential clinical indicators, diagnostic and screening criteria, and related randomized controlled trials to understand DCM better.
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Affiliation(s)
- Xudong Zhao
- Department of Endocrine and Metabolic Diseases, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Shengwang Liu
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Xiao Wang
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Yibing Chen
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Pai Pang
- Department of Endocrine and Metabolic Diseases, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Qianjing Yang
- Department of Endocrine and Metabolic Diseases, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Jingyi Lin
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Shuaishuai Deng
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Shentao Wu
- Department of Endocrine and Metabolic Diseases, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Guanwei Fan
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
| | - Bin Wang
- Department of Endocrine and Metabolic Diseases, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Xiqing, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Xiqing, Tianjin, China
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Târtea GC, Florescu DR, Mihailovici AR, Donoiu I, Istrătoaie O. Alpha-lipoic acid and vitamin B complex slow down the changes in mice diabetic cardiomyopathy. ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY 2021; 61:521-528. [PMID: 33544804 PMCID: PMC7864294 DOI: 10.47162/rjme.61.2.22] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Aim: The aim of our study was to assess histologically and by cardiac ultrasound the effects of alpha-lipoic acid (ALA) and vitamin B complex, as pathogenic therapies, in diabetic cardiomyopathy (DCM) in mice. Materials and Methods: We performed an experimental animal study, in which we analyzed from a structural and functional point of view the changes produced in DCM. To produce DCM, we induced diabetes mellitus (DM) in C57BL/6 mice by intraperitoneal injection of a single 150 mg/kg body weight dose of streptozotocin (STZ). We formed a sham group (animals without DM), a control group (animals with DM but without treatment, DM_Control) and a group of animals with DM that were treated with ALA and vitamin B complex (DM_Treated). Results: At six weeks after STZ administration, there was no decrease in left ventricular ejection fraction (LVEF) in the sham group, while in the control group there was a significant decrease in LVEF, about 43.75±3.37%, compared to the group that received treatment with ALA and vitamin B complex, in which LVEF decreased to 49.6±5.02% (p=0.0432). Also, the degree of interstitial myocardial fibrosis was higher in animals with DM compared to animals without DM, but the applied therapeutic protocol considerably improved the accumulation of interstitial collagen. The same observation was maintained regarding the evaluation of polysaccharide deposits. Conclusions: We can say that the administration of ALA and vitamin B complex in mice with STZ-induced DM, improves the degree of myocardial fibrosis, the accumulation of polysaccharides, and prevents severe deterioration of systolic and diastolic function of the heart.
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