期刊
AMYLOID-JOURNAL OF PROTEIN FOLDING DISORDERS
卷 20, 期 1, 页码 27-33出版社
INFORMA HEALTHCARE
DOI: 10.3109/13506129.2012.761967
关键词
Cardiac amyloidosis; diastolic function; echocardiography; heart failure; hypertrophy and melphalan; right heart catheterization
资金
- Department of Cardiology
- Department of Clinical Physiology
Aims: To characterize patients with cardiac amyloidosis using echocardiography, electrocardiogram (ECG) and right heart catheterization (RHC). Methods and results: Fourteen patients with biopsy verified light chain or transthyretin cardiac amyloidosis were included. All patients had heart failure with markedly elevated NT-proBNP. Echocardiography demonstrated biventricular hypertrophy, left atrial enlargement and normal to slightly reduced left ventricular ejection fraction. Tissue Doppler septal e was low and median E/e was high. Within 6 months RHC was performed in eight of the patients. The restrictive filling pattern demonstrated by echocardiography corresponded well to median pulmonary wedge pressure (21 mmHg). Systolic pulmonary artery pressure (SPAP) was increased, whereas cardiac output and stroke volume were seen to be decreased with both methods. ECG demonstrated: low voltage (36%), abnormal R-progression (65%), ST-T abnormalities (71%) and high incidence of fibrillation (36%). In addition, a case report following the treatment of melphalan and dexamethasone is presented with improvement of hypertrophy, SPAP, left ventricular mass and e. Conclusion: These findings should lead to a suspicion of cardiac amyloidosis and suggest further investigation.
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