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Leukemia. 1999 Feb;13(2):150-4.

Major vascular complications in essential thrombocythemia: a study of the predictive factors in a series of 148 patients.

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  • 1Unitat d'Hematologia 1973, Hospital del Mar, Barcelona, Spain.

Abstract

To determine the clinicohematological factors predictive for the appearance of major vascular complications (MVC) in patients with essential thrombocythemia (ET), 148 consecutive such patients were retrospectively assessed for the development of MVC during a median follow-up of 58.5 months. Seventy-seven patients had vascular risk factors, and 37 a history of MVC at ET diagnosis. Forty-nine MVC were registered in 33 patients during the follow-up period. The actuarial probability of MVC was 27% at 6 years in the whole series, 35.6% for patients above 60 years, and 21.4% for patients younger than 60 years, whereas only one of the 36 patients younger than 45 years had MVC. At multivariate analysis, age >60 years, history of major ischemia and hypercholesterolemia were the variables associated with an increased MVC risk. These results suggest that all ET patients above 60 years should be treated, whereas in younger patients treatment decisions should be primarily based on the existence of risk factors for MVC.

PMID:
10025886
[PubMed - indexed for MEDLINE]
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