期刊
STROKE
卷 41, 期 11, 页码 2575-2580出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/STROKEAHA.110.588822
关键词
sinus thrombosis, intracranial; stroke; heparin; heparin, low-molecular weight
资金
- Fundacao para a Ciencia e Tecnologia [C/SAU/10248/1998]
- Netherlands Organisation for Scientific Research (NWO) [021.001.045]
- Sanofi Aventis
Background and Purpose-There is no consensus whether to use unfractionated heparin or low-molecular weight heparin for the treatment of cerebral venous thrombosis. We examined the effect on clinical outcome of each type of heparin. Methods-A nonrandomized comparison of a prospective cohort study (the International Study on Cerebral Vein and Dural Sinus Thrombosis) of 624 patients with cerebral venous thrombosis. Patients not treated with heparin (n=107) and those who sequentially received both types of heparin (n=99) were excluded from the primary analysis. The latter were included in a secondary analysis, allocated according to the type of heparin given first. The primary end point was functional independency at 6 months (modified Rankin scale score <= 2). Secondary end points were complete recovery (modified Rankin scale score 0 to 1), mortality, and new intracranial hemorrhages. Results-A total of 119 patients received low-molecular weight heparin (28%) and 302 received unfractionated heparin (72%). Significantly more patients treated with low-molecular weight heparin were functionally independent after 6 months, both in univariate analysis (odds ratio, 2.1; CI, 1.0 to 4.2) and after adjustment for prognostic factors and imbalances (odds ratio, 2.4; CI, 1.0 to 5.7). In the secondary analysis, there was a similar, nonsignificant trend (odds ratio, 1.7; CI, 0.80 to 3.6). Low-molecular weight heparin was associated with less new intracerebral hemorrhages (adjusted odds ratio, 0.29; CI, 0.07 to 1.3), especially in patients with intracerebral lesions at baseline (adjusted odds ratio, 0.19; CI, 0.04 to 0.99). There was no difference in complete recovery and mortality. Conclusions-This nonrandomized study in patients with cerebral venous thrombosis suggests a better efficacy and safety of low-molecular weight heparin over unfractionated heparin. Low-molecular weight heparin seems preferable above unfractionated heparin for the initial treatment of cerebral venous thrombosis. (Stroke. 2010;41:2575-2580.)
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