Systolic blood pressure contributes to intracerebral haemorrhage after thrombolysis for ischemic stroke
2010
Abstract The frequency and risk factors for intracerebral haemorrhage (ICH) after ischemic stroke are well-known. ICH frequency is increased by the use of antithrombotic or thrombolytic drugs. Several experimental studies have demonstrated a relationship between ICH and hypertension after fibrinolysis, but the optimal blood pressure levels in patients treated with recombinant tissue plasminogen activator (rTPA) are as yet unknown. We evaluated the role of blood pressure in patients with ischemic stroke treated with rTPA within 3 h of symptom onset. We treated 86 consecutive patients admitted to our stroke unit between 2002 and 2008 and prospectively recorded the clinical and instrumental data in our stroke registry. We evaluated haemorrhagic complications by reviewing imaging findings. Blood pressure was recorded before rTPA and at 6, 12, 18, and 32 h. Total cerebral haemorrhage occurred in eleven (12.7%) patients, and symptomatic intracerebral haemorrhage occurred in seven (8.1%). We failed to find a correlation between blood pressure levels and stroke severity at admission. High blood pressure levels correlated with a worse outcome. Systolic blood pressure was significantly higher in ICH patients relative to rTPA-treated patients without haemorrhagic complications (p
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