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Increased blood vis...
Increased blood viscosity and decreased red cell filterability in patients with dilated cardiomyopathy
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- Persson, Sylvi (författare)
- Department of Internal Medicine, University Hospital, Lund, Sweden
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- Gustavsson, Carl Gunnar (författare)
- Department of Cardiology, University Hospital, Lund, Sweden
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- Larsson, Hans (författare)
- Department of Internal Medicine, University Hospital, Lund, Sweden
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visa fler...
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- Persson, Stig (författare)
- Department of Cardiology, University Hospital, Lund, Sweden
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visa färre...
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(creator_code:org_t)
- 1991
- 1991
- Engelska.
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Ingår i: 7th European Conference on Clinical Haemorheology, Southampton, United Kingdom, July 16-19, 1991..
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Abstract Rheological properties o f blood were studied in eight patients with dilated cardiomyopathy (DCM) and ten healthy controls . Whole blood viscosity was measured at 4 different shear rates, using a computer controlled rotational viscometer. Patients had significantly higher blood viscosity at all shear rates, both at the patients natural hematocrits and after in vitro adjustment of sample hematocrits to 45%. Erythrocyte filterability measured by St George's Filtrometer and expressed as red cell transit time (RCTT) were significantly lower in patients. Hematocrits were higher but not statistically significant. No differences were found regarding plasma viscosity, leucocyte count and leucocyte filterability. The blood rheology changes found in this study may contribute to myocardial perfusion disturbances, which have been suggested a s a cause for DCM. The coronary blood flow reserve is reduced in patients with DCM as well as in patients with angina pectoris, both with and without coronary artery stenosis (Syndrome X). In all three patients cathegories we have found increased blood viscosity but DCM differs by by normal plasma viscosity.
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