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Nutrition and hemostasis: A focus on urbanization in South Africa

✍ Scribed by Marlien Pieters; Hester H. Vorster

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
335 KB
Volume
52
Category
Article
ISSN
1613-4125

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✦ Synopsis

Abstract

South Africa is experiencing a rapid urbanization of its African population characterized by a demographic, nutrition, lifestyle, and health transition. The resultant high prevalence of high cardiovascular disease, in particular of stroke, is of concern. In this narrative review it is suggested that, together with hypertension, changes in the hemostatic system may be one of the major contributors to stroke in this population. It is further suggested that these changes are related to increased fat and animal protein intakes, decreased intakes of total carbohydrate and dietary fiber, as well as persistent suboptimal micronutrient intakes of Africans in transition. The effects of this nutrition transition on plasma fibrinogen, fibrin network structures, plasminogen activator inhibitor 1 activity levels and some other clotting and fibrinolytic factors are discussed. It is concluded that despite indications of present protective mechanisms against the development of coronary heart disease (CHD) in this population the observed changes in diet and hemostatic profiles may eventually lead to a high prevalence of both stroke and CHD in urban black South Africans. It is further suggested that timely nutritional interventions and research of effects thereof on the hemostatic system are urgently needed.

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