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Changed blood rheology in patients with idiopathic dilated cardiomyopathy
Department of Cardiology, University Hospital, Lund, Sweden.
Department of Internal Medicine, University Hospital, Lund, Sweden.
Department of Medicine, Central Hospital, Växjö, Sweden.
Department of Cardiology, University Hospital, Lund, Sweden.
1994 (English)In: Angiology, ISSN 0003-3197, E-ISSN 1940-1574, Vol. 45, no 2, 107-111 p.Article in journal (Refereed) Published
Abstract [en]

Abstract

 Rheologic properties of blood were studied in 8 patients with dilated cardiomyopathy (DCM) and in 10 healthy subjects. Whole-blood viscosity was measured at four different shear rates, by means of a computer-controlled rotational viscometer. The patients had significantly higher blood viscosity at all shear rates, both at their natural hematocrits and after an in vitro adjustment of sample hematocrits to 45%. Erythrocyte filterability (5 μm pore size) was significantly lower, fibrinogen concentration significantly higher, and HDLcholesterol concentration significantly lower in the patient group. No significant differences were found regarding hematocrit, mean corpuscular volume, haemoglobin concentration, leukocyte count and filterability (8 μm pore size), plasma viscosity, and total cholesterol concentration.

The measured hemorheologic abnormalities may contribute to the previously reported reduction of coronary blood flow reserve in DCM patients and to myocardial microcirculatory disturbances, which have been suggested as a cause for DCM.

Place, publisher, year, edition, pages
New York, USA: Westminster Publications, Inc. , 1994. Vol. 45, no 2, 107-111 p.
Keyword [en]
Cardiomyopathy; Blood viscosity; Cholesterol; Coronary circulation; Dilated; HDL-cholesterol; Hemorheology; Erythrocyte deformability
National Category
Medical and Health Sciences
Research subject
Natural Science, Biomedical Sciences; Health and Caring Sciences, Caring Science
Identifiers
URN: urn:nbn:se:lnu:diva-11713OAI: oai:DiVA.org:lnu-11713DiVA: diva2:417311
Available from: 2011-05-16 Created: 2011-05-16 Last updated: 2011-09-15Bibliographically approved

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Persson, Sylvi Ulrika
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