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© 1988 Oxford University Press

research-article

THE PROGNOSTIC VALUE OF HAEMATOCRIT IN ACUTE STROKE

CHRISTOPHER S. GRAY, Research Registrar in Neurology/Geriatrics*,, JOYCE M. FRENCH, Research Assistant In Neurology, OLIVER F. W. JAMES, Professor of Medicine (Geriatrics), DAVID BATES, Consultant and Senior Lecturer in Neurology and MALL E. F. CARTLIDGE, Consultant and Senior Lecturer In Neurology

Royal Victoria Infirmary Newcastle upon Tyne
University of Newcastle upon Tyne, Royal Victoria Infirmary Newcastle upon Tyne
Royal Victoria Infirmary Newcastle upon Tyne

*Address correspondence to Dr C. S. Gray, Senior Registrar in General Medicine with a Special Interest in Geriatric Medicine, Longmore Hospital, Edinburgh.

One hundred and twenty-two consecutive patients admitted with acute stroke in a carotid distribution had venous blood taken for haematocrit (Hct), haemoglobin (Hb), white cell count (WCC) and urea estimations. Patients were followed for 12 weeks to determine the influence of haematocrit upon fatality. There were 96 patients aged greater double equals65 years and 26 patients <65 years. No association could be demonstrated between Hct levels and fatality at 4 or 12 weeks.

Regression analysis demonstrated that only increasing age (P<0.05) and a raised WCC (P<0.005) were independent factors significantly associated with fatality at both 4 and 12 weeks. In the elderly stroke patient (greater double equals65 years) only WCC was significantly associated with fatality (P<0.005).

Haematocrit levels are of no prognostic value for fatality in acute stroke. A raised white cell count is an important and independent prognostic factor for fatality at both 4 and 12 weeks following stroke.

accepted in revised form January 20, 1988.


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