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Published on: April 23, 2021
Evaluation of Blood Pressure Variability With Clevidipine Infusion in Patients With Acute Cerebrovascular Disease
Caitlin S Brown1, Tuba Chaudhry2, Kristin Cole3
1Pharmacy, Mayo Clinic, Rochester, USA.
Insights
Clevidipine infusions in acute cerebrovascular disease showed moderate blood pressure variability (BPV). While reaching targets, the drug was associated with neurological decline and acute kidney injury in some patients.
Area of Science:
- Neurology
- Cardiology
- Pharmacology
Background:
- Blood pressure variability (BPV) is linked to poor outcomes in acute cerebrovascular diseases.
- Acute hypertension management often involves intravenous antihypertensives.
Purpose of the Study:
- To assess clevidipine's safety and efficacy in achieving blood pressure targets.
- To evaluate clevidipine's impact on blood pressure variability in acute cerebrovascular conditions.
Main Methods:
- Prospective, single-arm, observational study.
- Adult patients with acute ischemic stroke, intracerebral hemorrhage, subarachnoid hemorrhage, or PRES requiring clevidipine.
- Primary outcomes: systolic BPV in the first hour, acute neurological decline, and acute kidney injury.
Main Results:
- Thirty patients enrolled; median age 64, 63% with intracerebral hemorrhage.
- Median time to blood pressure goal was 20 minutes.
- Mean systolic BPV (SD) was 17.2 in the first hour and 16.4 at 24 hours. AKI occurred in 20%, and neurological decline in 37%.
Conclusions:
- This study provides initial observations on clevidipine use and BPV in cerebrovascular disease.
- Limitations include a small sample size and observational design.
- Further comparative studies are needed to evaluate antihypertensive strategies and BPV.
Background:
Blood pressure variability (BPV) has been associated with worse outcomes in patients with acute cerebrovascular diseases, and acute hypertension is routinely treated with intravenous antihypertensives. Objective: The goal of this study was to determine if clevidipine infusions can safely and effectively reach blood pressure targets and maintain blood pressure control without undesirable variability. Methods: This was a prospective, single-arm, observational study. We enrolled a convenience sample of adult patients hospitalized for acute ischemic stroke (AIS), intracerebral hemorrhage (ICH), subarachnoid hemorrhage (SAH), or posterior reversible encephalopathy syndrome (PRES) who required clevidipine for blood pressure control within 24 hours of symptom onset. The primary efficacy outcome was systolic BPV during the first hour. The primary safety outcomes were acute neurological decline and acute kidney injury (AKI). Secondary outcomes were BPV within 24 hours, time to blood pressure goal, and the association between BPV and early neurologic decline and AKI. Results: Thirty patients were enrolled with a median age of 64 (58, 77), and most were White (83.3%) and females (57%). The most common primary diagnosis was ICH (63%). The median (IQR) first systolic blood pressure (SBP) reading was 170 (153, 193) mmHg. The median (interquartile range (IQR)) time from clevidipine initiation to blood pressure goal was 20 (10, 28) minutes. The mean systolic BPV in the first hour, as measured by standard deviation (SD), was 17.2 (9.3). At 24 hours, the mean systolic BPV by SD was 16.4 (5.6). Six patients (20%) experienced AKI, and 11 (37%) experienced a neurologic decline. Conclusion: This study describes BPV observations with clevidipine in cerebrovascular disease. This study is limited by the small sample size and observational design. Comparative studies evaluating the effects of different antihypertensive strategies on BPV are needed.
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