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Stroke
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Remote or Extraischemic Intracerebral Hemorrhage—An Uncommon Complication of Stroke Thrombolysis

Results From the Safe Implementation of Treatments in Stroke-International Stroke Thrombolysis Register
Authors: Michael V. Mazya; Niaz Ahmed; Gary A. Ford; Carsten Hobohm; Robert Mikulik; A. Paiva Nunes; Nils Wahlgren; +22 Authors

Remote or Extraischemic Intracerebral Hemorrhage—An Uncommon Complication of Stroke Thrombolysis

Abstract

Background and Purpose— Intracerebral hemorrhage after treatment with intravenous recombinant tissue-type plasminogen activator for ischemic stroke can occur in local relation to the infarct, as well as in brain areas remote from infarcted tissue. We aimed to describe risk factors, 3-month mortality, and functional outcome in patients with the poorly understood complication of remote intracerebral hemorrhage, as well as local intracerebral hemorrhage. Methods— In this study, 43 494 patients treated with intravenous recombinant tissue-type plasminogen activator, with complete imaging data, were enrolled in the Safe Implementation of Treatments in Stroke-International Stroke Thrombolysis Register (SITS-ISTR) during 2002 to 2011. Baseline data were compared among 970 patients (2.2%) with remote parenchymal hemorrhage (PHr), 2325 (5.3%) with PH, 438 (1.0%) with both PH and PHr, and 39 761 (91.4%) without PH or PHr. Independent risk factors for all hemorrhage types were obtained by multivariate logistic regression. Results— Previous stroke ( P =0.023) and higher age ( P <0.001) were independently associated with PHr, but not with PH. Atrial fibrillation, computed tomographic hyperdense cerebral artery sign, and elevated blood glucose were associated with PH, but not with PHr. Female sex had a stronger association with PHr than with PH. Functional independence at 3 months was more common in PHr than in PH (34% versus 24%; P <0.001), whereas 3-month mortality was lower (34% versus 39%; P <0.001). Conclusions— Differences between risk factor profiles indicate an influence of previous vascular pathology in PHr and acute large-vessel occlusion in PH. Additional research is needed on the effect of pre-existing cerebrovascular disease on complications of recanalization therapy in acute ischemic stroke.

Keywords

Fibrinolytic Agents / adverse effects*, Male, Fibrinolytic Agents / therapeutic use, HSJ NEU, Brain Ischemia* / chemically induced, Brain Ischemia, Fibrinolytic Agents, Risk Factors, Humans, Thrombolytic Therapy, Recombinant Proteins / adverse effects, Brain Ischemia* / mortality, Recombinant Proteins / therapeutic use, Aged, Cerebral Hemorrhage, Retrospective Studies, Cerebral Hemorrhage* / diagnostic imaging, Stroke* / diagnostic imaging, Age Factors, Middle Aged, Recombinant Proteins, Cerebral Hemorrhage* / mortality, Radiography, Stroke, Brain Ischemia* / diagnostic imaging, cerebral hemorrhage; cerebral infarction; database; prognosis; thrombolytic therapy; Age Factors; Aged; Female; Fibrinolytic Agents; Humans; Male; Middle Aged; Recombinant Proteins; Retrospective Studies; Risk Factors; Thrombolytic Therapy; Tissue Plasminogen Activator; Brain Ischemia; Cerebral Hemorrhage; Stroke; Cardiology and Cardiovascular Medicine; Neurology (clinical); Advanced and Specialized Nursing, Tissue Plasminogen Activator, Cerebral Hemorrhage* / chemically induced, Female, Tissue Plasminogen Activator / therapeutic use, Thrombolytic Therapy / adverse effects*, Tissue Plasminogen Activator / adverse effects*, Stroke* / drug therapy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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