Red cell cation transport: Differences between black and white school children

Document Type

Article

Publication Date

1-1-1983

Abstract

Differences in red cell sodium content and sodium-lithium countertransport were studied in black and white children with a mean age of 12 years. For both boys and girls red cell sodium content was higher in blacks and countertransport lower (P < 0.05). For both ethnic groups red cell sodium was lower in girls than boys and a consistent positive relationship was noted between body mass index and countertransport. Despite the lower red cell Na-Li countertransport values in black compared'to white j children, ia significant positive correlation with systolic blood pressure was found independent of adiposity. In contrast, no correlation was evident between Na-Li countertransport and blood pressure in the white children. If red cell cation transport is confirmed as a marker for hypertension, study of racial differences may help explain the twofold higher prevalence of this disease among blacks. © Gower Medical Publishing Ltd.

Publication Source (Journal or Book title)

Journal of Hypertension

First Page

245

Last Page

249

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