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Rheological evaluation of hemoglobin S and hemoglobin C hemoglobinopathies
The Journal of Laboratory and Clinical Medicine
|March 1, 1977
Summary
This study compared blood rheology in hemoglobinopathies using optimum hematocrit. The shape of the optimum hematocrit curve, not its magnitude, indicates disease severity.
Area of Science:
- Hematology
- Rheology
- Hemoglobinopathies
Background:
- Hemoglobinopathies, such as sickle cell disease and hemoglobin C disease, involve abnormal hemoglobin variants.
- Blood rheology is crucial for understanding oxygen transport and disease pathophysiology.
Purpose of the Study:
- To compare the rheological properties of blood from patients with hemoglobin S and hemoglobin C hemoglobinopathies.
- To investigate the relationship between optimum hematocrit, oxygen tension, and clinical disease severity.
Main Methods:
- Utilized the concept of optimum hematocrit.
- Employed cone and plate viscometric data to predict blood flow rates.
- Analyzed blood rheology under physiological conditions.
Main Results:
- The shape of the optimum hematocrit-oxygen tension curve, rather than the absolute value, correlated with clinical severity.
- Viscometric data successfully predicted average blood flow rates.
Conclusions:
- Optimum hematocrit curve shape is a valuable indicator of clinical severity in hemoglobinopathies.
- Rheological analysis provides insights into the pathophysiology of these blood disorders.