Related Experiment Video
Updated: Aug 26, 2026

A Murine Model of Subarachnoid Hemorrhage
Published on: November 21, 2013
Blood pressure in acute intracerebral haemorrhage
A H G Rasool1, A R A Rahman, S R Choudhury
1Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia. aida@kb.usm.my
Insights
High blood pressure (BP) is a significant risk factor for intracerebral haemorrhage (ICH), a dangerous type of stroke. Early BP management after ICH may improve outcomes, but more research is needed.
Area of Science:
- Neurology
- Cardiovascular Medicine
- Public Health
Background:
- Intracerebral haemorrhage (ICH) is a severe stroke subtype with high mortality, disproportionately affecting certain ethnic groups.
- Blood pressure (BP) is implicated as a critical factor in both the development and progression of ICH.
- Existing literature suggests a link between BP and ICH occurrence, prognosis, and potential complications.
Purpose of the Study:
- To review the relationship between blood pressure and the incidence of primary and secondary intracerebral haemorrhage.
- To examine the association between early post-stroke BP levels and patient outcomes and complications.
- To evaluate the evidence for early blood pressure lowering treatments in improving outcomes after ICH.
Main Methods:
- Systematic literature review of studies investigating blood pressure and intracerebral haemorrhage.
- Analysis of data correlating early BP measurements with ICH prognosis and complications.
- Assessment of existing evidence on the efficacy of early BP-lowering interventions.
Main Results:
- Blood pressure is confirmed as a significant risk factor for both primary and secondary ICH.
- Elevated BP in the early stages post-ICH appears detrimental, potentially increasing risks of rebleeding and hematoma expansion.
- Limited data currently exist on the benefits of early BP reduction, with a lack of definitive randomized trials.
Conclusions:
- Blood pressure management is crucial in the context of intracerebral haemorrhage.
- Further high-quality randomized controlled trials are essential to determine the optimal strategy for early blood pressure lowering after ICH.
- Establishing the precise impact of BP reduction on ICH outcomes requires rigorous clinical investigation.
Abstract:
Stroke is one of the leading causes of death worldwide, and spontaneous bleeding into the brain parenchyma, intracerebral haemorrhage (ICH), is a stroke subtype associated with high morbidity and mortality. Overall, it comprises about 15% of all stroke in Caucasians, this figure being much higher in Asians and black people. Blood pressure (BP) appears to play an important role in this disease. We have reviewed available literature on the relationship of BP to the occurrence of primary and secondary ICH, the association of BP levels measured early after stroke with prognosis and complications, and evidence about the effects of early BP lowering treatments on post-stroke outcomes. BP appears to be an important risk factor for primary and secondary ICH. In addition, high BP early after ICH may be detrimental to outcome, possibly contributing to complications such as rebleeding and haematoma enlargement. Few data are available about the effects of early lowering of BP on outcome after ICH with no reliable trial yet conducted. Proper randomised trials are required to establish the effect of early lowering of BP on outcome after ICH.
Related Concept Videos
Increased Intracranial Pressure l: Introduction
Hemorrhagic Stroke ll: Pathophysiology
Hemorrhagic Stroke l: Introduction
Increased Intracranial Pressure ll: Pathophysiology
Cerebral Edema ll: Pathophysiology
Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.

