Changes in the State of Hemoglobin in Patients with Coronary Heart Disease and Patients with Circulatory Failure
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Morphology of erythrocytes and conformation of hemoglobin-derived hematoporphyrin were studied in patients with coronary heart disease (CHD) and patients with circulatory failure using laser interference microscopy and Raman spectroscopy. Correlation was revealed (r=0.81) between hemoglobin oxygen saturation and oxyhemoglobin fraction in erythrocytes evaluated by Raman spectroscopy. Patients with CHD and patients with circulatory failure showed reduced oxygen-releasing capacity of hemoglobin and hemoglobin content and increased oxygen-binding capacity of hemoglobin, and hemoglobin affinity for oxygen. Significant differences from the control were observed only in patients with circulatory failure. It was found that hemoglobin content, hematocrit, and the shape of erythrocytes during CHD and circulatory failure did not differ from the control, whereas the area of erythrocytes was increased.
Key Wordserythrocyte hemoglobin oxygen transfer effi ciency coronary heart disease circulatory failure
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