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Role of antiplatelet agents in hematoma expansion during the acute period of intracerebral hemorrhage.

Abstract：

BACKGROUND:Oral anticoagulants have been associated with greater hematoma expansion in patients with intracerebral hemorrhage (ICH). The purpose of this study was to determine whether the reported use of antiplatelet agents also results in greater hematoma expansion. METHODS:Retrospective review of patients with spontaneous supratentorial ICH diagnosed within 6 h of onset, who underwent follow-up head CT approximately 48 h later. Digital imaging analysis of initial and second CT scans was performed for comparison of hematoma volume changes between patients reporting and those not reporting antecedent antiplatelet use. Statistical analyses to determine predictors of ICH volume change and in-hospital mortality were also performed via multivariate regression models. RESULTS:Of the 70 patients included, 17 were documented as taking antiplatelet agents. Groups were comparable regarding baseline demographic, clinical and laboratory characteristics, and the timing of CT scans was similar. Patients reporting antiplatelet use experienced greater absolute increase (7.7 ml vs. 5.5 ml) and proportional increase (110% vs. 21%) in ICH volume than those not reporting antiplatelet use, but these differences were not statistically significant (P = 0.94 and 0.61 respectively; Wilcoxon test). Baseline hematoma volume tended to correlate with percentage volume increase (P < 0.1), whereas IVH was inversely associated with percent volume increase (P < 0.05). Age (P < 0.05), absolute volume increase (P < 0.005), and final volume (P < 0.001) were associated with in-hospital mortality, the rates of which were similar between the two study groups (18% vs. 17%). CONCLUSIONS:Patients reporting antiplatelet use experienced similar degrees of hematoma expansion compared to patients not reporting antiplatelet use.

journal_name

Neurocrit Care

journal_title

Neurocritical care

authors

Moussouttas M,Malhotra R,Fernandez L,Maltenfort M,Holowecki M,Delgado J,Lawson N,Badjatia N

doi

10.1007/s12028-009-9290-0

subject

Has Abstract

pub_date

2010-02-01 00:00:00

pages

24-9

issue

1

eissn

1541-6933

issn

1556-0961

journal_volume

12

pub_type

杂志文章

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