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Price: EUR 185.00Authors: Gaillard, S. | Lotter, R. | Stoltz, J.F.
Article Type: Research Article
Abstract: Research has revealed that the rheological parameters undergo alterations during various pathological conditions. In this paper the authors present their rheological investigations during parodontopathic disorders. Two groups of patients were studied: – A group of 30 healthy control subjects. – A group of 33 subjects suffering from parodontopathy (gingivitis or parodontitis), but free from any general illness. The criteria for health or parodontal disease were assessed on the basis of two indexes: GI (gingival index, according to Loe and Silness) and PDI (periodontal disease index, according to Ranfjord). The results revealed: – A perceptible (but not significant) increase …in total proteins level in – the group of parodontopathic patients. – An increase in plasma viscosity, primarily in the subjects with gingivitis. – A significant increase in blood viscosity (+10%) at low shear rates (γ ˙ < s − 1 ) in all the subjects affected by parodontopathy. The connection between blood hyperviscosity and parodontal disease is discussed, both in relation to the inflammatory reaction and to the local nature of the parodontal disorder. A group of 30 healthy control subjects. A group of 33 subjects suffering from parodontopathy (gingivitis or parodontitis), but free from any general illness. The criteria for health or parodontal disease were assessed on the basis of two indexes: GI (gingival index, according to Loe and Silness) and PDI (periodontal disease index, according to Ranfjord). The results revealed: A perceptible (but not significant) increase in total proteins level in – the group of parodontopathic patients. An increase in plasma viscosity, primarily in the subjects with gingivitis. A significant increase in blood viscosity (+10%) at low shear rates (γ ˙ < s − 1 ) in all the subjects affected by parodontopathy. The connection between blood hyperviscosity and parodontal disease is discussed, both in relation to the inflammatory reaction and to the local nature of the parodontal disorder. Show more
Keywords: Blood viscosity, Parodontopathies, Local disorders
DOI: 10.3233/CH-1985-5310
Citation: Clinical Hemorheology and Microcirculation, vol. 5, no. 3, pp. 251-256, 1985
Authors: Ritchie, D.M.
Article Type: Research Article
Abstract: The filtration of dilute erythrocyte suspension over 5 micron polycarbonate filters was examined as a measure of erythrocyte deformability in 20 insulin requiring diabetic patients and related to glycaemic control as assessed by fasting whole blood glucose and HbAlc. Twelve patients were reassessed after a period of improved glycaemic control. No relationship was found between filterability and whole blood glucose and HbAlc but there was a highly significant relationship p < 0.001 between the calculated residual leucocyte count of the erythrocyte suspensi on and filterability. The change in erythrocyte suspension filterability following a period of improved diabetic control was also …dependent on the concentration of contaminating leucocytes present on each occasion p < 0.05, and bore no relationship to improvement in diabetic control. Gross alterations of the erythrocyte concentration did not affect this linear relationship between the leucocyte concentration and pressure generated on filtration in either a normal or a diabetic subject. In both normal and diabetic subjects the leucocyte appears to be the major determinant of filterability in this low pressure filtration system. Show more
Keywords: Diabetes mellitus, erythrocyte deformability, diabetic control
DOI: 10.3233/CH-1985-5311
Citation: Clinical Hemorheology and Microcirculation, vol. 5, no. 3, pp. 257-268, 1985
Authors: Ernst, E. | Magyarosy, I. | Matrai, A.
Article Type: Short Communication
Keywords: hemorheology, circadian rhythm, hematocrit, plasma viscosity, red cell aggregation, red cell filterability
DOI: 10.3233/CH-1985-5312
Citation: Clinical Hemorheology and Microcirculation, vol. 5, no. 3, pp. 269-272, 1985
Authors: Inauen, W. | Stäubli, M. | Descoeudres, C. | Galeazzi, R.L. | Straub, P.W.
Article Type: Letter
DOI: 10.3233/CH-1985-5313
Citation: Clinical Hemorheology and Microcirculation, vol. 5, no. 3, pp. 273-274, 1985
Authors: Benner, Klaus-U | Nordt, Frank J.
Article Type: Abstract
DOI: 10.3233/CH-1985-5314
Citation: Clinical Hemorheology and Microcirculation, vol. 5, no. 3, pp. 275-280, 1985
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