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Real-Time Monitoring and Modulation of Blood Pressure in a Rabbit Model of Ischemic Stroke
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Within-Person Blood Pressure Variability During Hospitalization and Clinical Outcomes Following First-Ever Acute
Mohammed Yousufuddin1, M H Murad2,3, Jessica L Peters1
1Department of Hospital Internal Medicine, Mayo Clinic Health System, Austin, Minnesota, USA.
American Journal of Hypertension
|September 21, 2022
Summary
Systolic blood pressure variability during hospitalization after acute ischemic stroke (AIS) does not independently predict patient outcomes. Focus on overall patient care, not just blood pressure metrics, for better results in AIS recovery.
Area of Science:
- Neurology
- Cardiology
- Clinical Medicine
Background:
- The prognostic significance of blood pressure variability (BPV) in acute ischemic stroke (AIS) patients remains unclear.
- Hospital-measured BPV is a potential predictor of clinical outcomes, but evidence is limited.
Purpose of the Study:
- To investigate the association between in-hospital systolic blood pressure variability (SBPV) and clinical outcomes up to one year post-AIS.
- To determine if SBPV predicts readmission-free survival, all-cause readmission, or all-cause mortality in AIS patients.
Main Methods:
- A cohort study of 862 consecutive AIS patients (2005-2019).
- Systolic blood pressure variability (SBPV) was measured using standard deviation (SD) and coefficient of variation (CV) from a median of 16 SBP readings per patient.
- Outcomes assessed included readmission-free survival, all-cause readmission, and all-cause mortality at 1 year.
Main Results:
- The study found no independent prognostic implications of SBPV (measured by SD or CV) for readmission-free survival, readmission, or mortality.
- Hazard ratios for readmission-free survival, readmission, and mortality did not show significant differences between the highest and lowest quartiles of SBPV after adjustments.
Conclusions:
- In-hospital systolic blood pressure variability (SBPV) does not independently predict clinical outcomes in patients following their first acute ischemic stroke (AIS).
- The findings suggest that overall patient care and management are more critical than specific blood pressure variability parameters during hospitalization for AIS.
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