Blood Pressure Management in Acute Stroke

Area of Science:

• Neurology
• Cardiovascular Medicine
• Critical Care

Background:

• Elevated blood pressure is common in acute stroke (ischemic stroke and intracerebral hemorrhage).
• Hypertension is an independent risk factor for poor outcomes in stroke patients.
• Blood pressure management in acute stroke remains a critical, unresolved clinical issue.

Purpose of the Study:

• To review current knowledge on managing elevated blood pressure in acute ischemic stroke and intracerebral hemorrhage.
• To synthesize evidence from clinical trials on blood pressure lowering strategies.
• To highlight differences in management recommendations between stroke types.

Main Methods:

• Review of large clinical trials on blood pressure lowering in acute stroke.
• Analysis of evidence supporting or refuting blood pressure reduction strategies.
• Examination of recent guideline changes based on new clinical trial data.

Main Results:

• Blood pressure lowering in acute ischemic stroke generally shows no benefit and is not recommended for routine practice, except in specific cases (very high BP or thrombolysis eligibility).
• In contrast, a recent trial demonstrated a clinical benefit of blood pressure lowering in the early hours of intracerebral hemorrhage, leading to guideline updates.
• Significant uncertainty remains regarding optimal blood pressure management in the initial hours of acute ischemic stroke when penumbral tissue is at risk.

Conclusions:

• Blood pressure management strategies differ significantly between acute ischemic stroke and intracerebral hemorrhage.
• Current evidence does not support routine blood pressure lowering in acute ischemic stroke, but it is beneficial for intracerebral hemorrhage.
• Further research is needed to address the optimal management of blood pressure in the hyperacute phase of ischemic stroke.