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Diabetic cardiomyopathy: How can cardiac magnetic resonance help?

糖尿病心肌病: 心脏磁共振如何帮助?

  • 影响因子:2.86
  • DOI:10.1007/s00592-020-01528-2
  • 作者列表:"Tadic M","Cuspidi C","Calicchio F","Grassi G","Mancia G
  • 发表时间:2020-09-01
Abstract

:Diabetes cardiomyopathy is a specific form of cardiac disease characteristic for diabetic patients. Development of echocardiography enabled diagnosis of diabetic cardiomyopathy significantly before the occurrence of heart failure. Previously was believed that left ventricular (LV) diastolic dysfunction represents the first detectable stage of diabetic cardiomyopathy. However, speckle tracking imaging and strain evaluation showed that mechanical changes occur before LV diastolic dysfunction. Nevertheless, it seems that the first detectable stage of diabetic cardiomyopathy is myocardial interstitial fibrosis, which currently could be diagnosed predominantly by cardiac magnetic resonance. T1 mapping evaluation before and after contrast injection enables assessment of extracellular volume (ECV) and provides qualitative and quantitative assessment of interstitial myocardial fibrosis in diabetic patients. Studies showed a strong correlation between ECV-parameter of interstitial fibrosis and level of glycated hemoglobin-main parameter of glucose control in diabetes. This stage of fibrosis is still not LV hypertrophy and it is reversible, which is of a great importance because of timely initiation of treatment. The necessity for early diagnose is significantly increasing due to the fact that diabetes and arterial hypertension are concomitant disorders in the large number of diabetic patients and it has been known that the risk of interstitial myocardial fibrosis is multiplied in patients with both conditions. Future follow-up investigations are essential to determine the causal relationship between interstitial fibrosis and outcome in these patients. The aim of this review was to summarize the current knowledge and clinical usefulness of CMR in diabetic patients.

摘要

: 糖尿病心肌病是糖尿病患者特有的一种心脏病。超声心动图的发展使得在心力衰竭发生之前显著诊断糖尿病心肌病成为可能。以前认为左心室 (LV) 舒张功能障碍代表糖尿病心肌病的第一可检测阶段。然而,斑点追踪成像和应变评估显示,力学改变发生在LV舒张功能障碍之前。然而,似乎糖尿病心肌病的第一个可检测阶段是心肌间质纤维化,目前可以主要通过心脏磁共振诊断。在造影剂注射之前和之后的T1映射评估使得能够评估细胞外体积 (ECV) 并且提供对糖尿病患者的间质心肌纤维化的定性和定量评估。研究表明,间质纤维化的ECV参数与糖化血红蛋白水平 (血糖控制的主要参数) 之间存在很强的相关性。这一阶段的纤维化仍然不是LV肥大,并且它是可逆的,这是非常重要的,因为及时开始治疗。由于糖尿病和动脉高血压在大量糖尿病患者中是伴随疾病的事实,因此早期诊断的必要性显著增加,并且已知在具有两种状况的患者中,间质心肌纤维化的风险成倍增加。未来的随访研究对于确定这些患者的间质纤维化和结果之间的因果关系至关重要。本综述的目的是总结糖尿病患者CMR的当前知识和临床用途。

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DOI:10.1002/jcu.22732
作者列表:["Tadic M","Belyavskiy E","Cuspidi C","Pieske B","Haßfeld S"]

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翻译标题与摘要 下载文献
影响因子:2.41
发表时间:2020-06-12
DOI:10.4244/EIJ-D-18-01138
作者列表:["Pellicano M","Di Gioia G","Ciccarelli G","Xaplanteris P","Delrue L","Toth GG","Van Durme F","Heyse A","Wyffels E","Vanderheyden M","Bartunek J","De Bruyne B","Barbato E"]

METHODS:AIMS:Significant platelet activation after long stented coronary segments has been associated with periprocedural microvascular impairment and myonecrosis. In long lesions treated either with an everolimus-eluting bioresorbable vascular scaffold (BVS) or an everolimus-eluting stent (EES), we aimed to investigate (a) procedure-related microvascular impairment, and (b) the relationship of platelet activation with microvascular function and related myonecrosis. METHODS AND RESULTS:Patients (n=66) undergoing elective percutaneous coronary intervention (PCI) in long lesions were randomised 1:1 to either BVS or EES. The primary endpoint was the difference between groups in changes of pressure-derived corrected index of microvascular resistance (cIMR) after PCI. Periprocedural myonecrosis was assessed by high-sensitivity cardiac troponin T (hs-cTnT), platelet reactivity by high-sensitivity adenosine diphosphate (hs-ADP)-induced platelet reactivity with the Multiplate Analyzer. Post-dilatation was more frequent in the BVS group, with consequent longer procedure time. A significant difference was observed between the two groups in the primary endpoint of ΔcIMR (p=0.04). hs-ADP was not different between the groups at different time points. hs-cTnT significantly increased after PCI, without difference between the groups. CONCLUSIONS:In long lesions, BVS implantation is associated with significant acute reduction in IMR as compared with EES, with no significant interaction with platelet reactivity or periprocedural myonecrosis.

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翻译标题与摘要 下载文献
影响因子:1.67
发表时间:2020-01-01
DOI:10.2174/1573403X15666190513105231
作者列表:["Dev M","Sharma M","Rana N"]

METHODS:BACKGROUND:Aortopulmonary window is an uncommon congenital heart disease, with untreated cases not surviving beyond childhood. However, very rarely it can present in adult patients with features of pulmonary hypertension. Clinically these patients cannot be differentiated from other more common conditions with left to right shunt. Transthoracic echocardiography if performed meticulously, can depict the defect in aortopulmonary septum. RESULTS:We report a case of large unrepaired aortopulmonary window in a 23 years old patient, diagnosed on transthoracic echocardiography.

心脏影像技术方向

心脏结构和心脏血流的可视化,用于诊断评估或通过内窥镜、放射性核素成像等技术来指导心脏手术。

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