Cardiac amyloidosis - the disease which is characterized by deposition of insoluble protein amyloid in intercellular space is one of the most severe implications of systemic amyloidosis. Primary cardiac amyloidosis possesses a wide range of clinical implications that complicates well-timed diagnostics and, respectively, treatment. The long latent current and the adverse forecast do extremely important diagnostics of cardiac amyloidosis at early stages of a disease. The modern concept of pathogenesis and morphology of an amyloidosis is covered in article, the clinical options of a current, diagnostic methods of dysfunction of heart including bio- and immunochemical blood analysis and urine, a complex of tool methods of a research and «the gold standard» of verification of deposits of amyloid - a biopsy of various organs and tissues are described.
The article presents a case of intravital diagnosis of a rare heart disease, isolated primary amyloidosis. The clinical onset of the disease was heart failure (HF) that was resistant to treatment; chemotherapy was ineffective and was poorly tolerated by the patient. The diagnostics was based on a combination of refractory HF and changes in echocardiography data (atrial dilatation, small size of the left ventricular cavity, interventricular septal hypertrophy with the presence of hyperechoic inclusions of the “granular fluorescence” type), and changes detected by contrast-enhanced cardiac magnetic resonance imaging. The diagnosis of amyloidosis was confirmed by results of pathohistological examination of the material obtained during autopsy.
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