Non-fatal cardiovascular disease, malignancies, and other co-morbidity in adult haemophilia patients.

Thromb Res 2012 Aug 30;130(2):157-62. Epub 2011 Dec 30.

Van Creveldkliniek, Department of Hematology, University Medical Center Utrecht, Utrecht, The Netherlands.

Introduction: With increasing life expectancy, more haemophilia patients will be confronted with age-related problems. To ensure optimal care, it is important to know the occurrence of both fatal and non-fatal cardiovascular disease, malignancies and other types of co-morbidity in these patients. Our aim was to retrospectively assess the occurrence of co-morbidity and causes of death in a substantial birth-cohort of haemophilia patients.

Methods: Data on all types of co-morbidity were collected from medical records of 408 haemophilia patients (204 severe, 204 non-severe) born before 1971, and compared with the Dutch age-matched general male population.

Results: Ten patients had 11 myocardial infarctions, none of which were fatal. The cumulative incidence of non-fatal myocardial infarction was significantly lower in patients with severe haemophilia than in the general population (0.5% versus 4.8%), but was not decreased in patients with non-severe haemophilia (4.4%). Intracranial bleeding occurred significantly more often in haemophilia patients. The occurrence of non-virus related malignancies, and other non-virus related co-morbidities was similar in haemophilia patients and the general population. HIV infection was present in 12% of patients, and hepatitis C infection in 56%. Seventy-eight patients (19%) were deceased. Main causes of death were malignancies, AIDS, hepatitis C, and intracranial bleeding.

Conclusions: Our results showed a decreased occurrence of myocardial infarction in patients with severe haemophilia, suggesting a protective effect of very low clotting factor levels on thrombotic cardiac events. No differences were found between haemophilia patients and the general population in the occurrence of any other type of non-virus related co-morbidity.

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http://dx.doi.org/10.1016/j.thromres.2011.12.012DOI Listing
August 2012
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