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Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
Published on: February 10, 2013
Bilateral Subarachnoid Hemorrhage and Bilateral Intracranial Hemorrhage With Reversible Cardiomyopathy During
Khuzema Ghafoor1, Hafiz U Ghafoor2, Somwail Rasla2
1Internal Medicine, Atrium Health Navicent, Macon, USA.
Insights
Dobutamine stress echocardiogram (DSE) can rarely cause serious complications like intracranial hemorrhage (ICH). This case highlights the importance of vigilance for neurological symptoms during DSE, especially with severe hypertension.
Area of Science:
- Cardiology
- Neurology
- Radiology
Background:
- Dobutamine stress echocardiogram (DSE) is a standard diagnostic tool for coronary artery disease (CAD).
- While generally safe, DSE carries a very low risk of serious complications, including cerebrovascular accidents (CVA).
Observation:
- A 39-year-old female without prior cardiac history experienced acute multifocal intracranial hemorrhage (ICH) and subarachnoid hemorrhage (SAH) during a DSE.
- The patient developed severe symptoms including headache, nausea, and dyspnea after dobutamine infusion and atropine administration.
Findings:
- Computed tomography head confirmed acute multifocal bilateral SAH and left frontal/right parieto-occipital ICH.
- Dobutamine infusion can exacerbate hypertension, a known risk factor for ICH.
Implications:
- This case underscores the critical need for heightened awareness of neurological symptoms during DSE.
- Clinicians should maintain a low threshold for further evaluation in patients developing severe hypertension or neurological signs during DSE.
- Increased vigilance is warranted to mitigate the rare but severe risk of ICH associated with DSE.
Abstract:
Dobutamine stress echocardiogram (DSE) is routinely used in the clinical assessment of patients with known or suspected coronary artery disease (CAD). DSE can cause serious complications including cerebrovascular accident (CVA). Even though the incidence of CVA associated with DSE is very low (<0.01%),it can be life-threatening or cause significant morbidity. We present a patient who developed acute multifocal intracranial hemorrhage (ICH) and subarachnoid hemorrhage (SAH) during the DSE. A 39-year-old female with no prior cardiac history presented to the outpatient echocardiography lab for DSE. She had a blunted heart rate response with increasing dose of dobutamine 30 μg/kg/min and was given one milligram of atropine. The patient complained of frontal headache, nausea, and severe dyspnea. Computed tomography head showed acute multifocal bilateral SAH, and left frontal and right parieto-occipital ICH. Hypertension is one of the risk factors for ICH and dobutamine infusion can exacerbate severe acute hypertension, which can cause acute intraparenchymal hemorrhage. Even though the risk of ICH associated with DSE is extremely low, there should be increased vigilance if there is development of severe acute hypertension, and the operator should keep a low threshold for further evaluation if the patient develops neurological symptoms.
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