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Real-Time Monitoring and Modulation of Blood Pressure in a Rabbit Model of Ischemic Stroke
Published on: February 10, 2023
Circadian blood pressure variation after acute stroke
Jeyaraj D Pandian1, Andrew A Wong, Douglas J Lincoln
1Stroke Unit, Department of Neurology, Level 7, Ned Hanlon Building, Royal Brisbane and Women's Hospital, Herston Road, Brisbane, Queensland 4029, Australia. jeyarajpandian@yahoo.co.in
Summary
Circadian blood pressure (BP) patterns after acute stroke, including non-dipping and reverse-dipping, were common. However, these BP variations did not show a clear association with stroke outcomes at three months.
Area of Science:
- Neurology
- Cardiology
- Chronobiology
Background:
- Circadian blood pressure (BP) variations are crucial in cardiovascular health.
- Understanding BP patterns post-acute stroke is essential for predicting patient outcomes.
Purpose of the Study:
- To characterize circadian blood pressure (BP) variation patterns in patients following acute stroke.
- To investigate the relationship between these BP patterns and stroke outcomes at three months.
Main Methods:
- Manual BP monitoring every 4 hours for 48 hours post-stroke.
- Classification of patients into dipper, extreme dipper, non-dipper, and reverse dipper categories based on nocturnal BP fall.
- Assessment of stroke outcome (death or dependency) at 3 months.
Main Results:
- Non-dipping (46.2%) and reverse-dipping (36.9%) were the most prevalent circadian BP patterns in acute stroke patients.
- Extreme dippers constituted 2.3% and dippers 14.5% of the study cohort.
- No statistically significant association was found between BP dipping patterns and 3-month stroke outcomes.
Conclusions:
- Non-dipping and reverse-dipping are common circadian BP variations following acute stroke.
- These BP patterns do not appear to be strong predictors of stroke outcome in the studied population.
- Further research may be needed to explore other factors influencing stroke prognosis.
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