ArticleCerebrovascular diseases (Basel, Switzerland)2026
Volumetric Infarct Size Predicts Secondary Haemorrhagic Transformation of Ischaemic Stroke.
Article in Cerebrovascular diseases (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe aim was to identify the clinical, laboratory, and radiological predictors of spontaneous secondary haemorrhagic transformation in acute ischaemic stroke and after systemic thrombolytic therapy with rt-PA.
methodsA total of 909 acutely treated (rt-PA, n = 161) and non-treated (no-rt-PA, n = 748) patients with ischaemic stroke in MRI were investigated regarding the occurrence of haemorrhagic infarction (HI) and parenchymal haemorrhage (PH) within the first 5 days after stroke onset. Clinical, laboratory, and radiological data were analysed using a one-way ANOVA and univariate and multiple regression analyses.
resultsIn the rt-PA group, the patients were clinically more severely affected, the infarct lesions were significantly larger, and HI and PH occurred more frequently than in the no-rt-PA group. In the no-rt-PA group, the clinical condition of patients with HI and PH was not different. Multiple regression analyses revealed atrial fibrillation, diabetes mellitus, and infarct volume as predictors of HI and of PH.
conclusionsThe results support the association between greater infarct size and an increased risk of secondary haemorrhagic transformation both after systemic thrombolysis with rt-PA and in non-treated stroke patients. We hypothesize that risk factor reduction may be beneficial not only for the prevention of ischaemic stroke but also for the prevention of secondary haemorrhagic transformation. Pragmatically, the radiological assessment of infarct volume appears as a relevant prognostic factor.
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