Asymptomatic carotid disease and cardiac surgery consensus
Gerard Stansby1, Sumaira Macdonald, Robert Allison
1Northern Vascular Unit, Freeman Hospital, Newcastle upon Tyne, UK. Gerard.Stansby@nuth.nhs.uk
Insights
Managing asymptomatic carotid artery disease during cardiac surgery lacks evidence. Further natural history studies are crucial for guiding future clinical trials and patient care.
Area of Science:
- Cardiovascular Surgery
- Neurology
- Vascular Medicine
Background:
- Multidisciplinary consensus meeting addressed asymptomatic carotid artery disease in cardiac surgery patients.
- Current management strategies are not guided by randomized trials.
- The natural history of this condition remains unclear.
Framework:
- Asymptomatic carotid artery disease (≥70% stenosis) is clinically relevant for hemodynamic and stroke risk assessment.
- Significant carotid disease may indicate concurrent aortic arch and intracerebral disease.
- Lack of data necessitates further investigation.
Implementation:
- Focus on patients undergoing contemporary cardiac surgical interventions.
- Consideration of bilateral carotid artery disease.
- Assessment of hemodynamic and short-term surgical stroke risk.
Implications:
- Urgent need for natural history studies on asymptomatic carotid disease in cardiac surgery patients.
- Identify incidence and predictive factors.
- Inform the design of future randomized controlled trials to optimize patient outcomes.
Abstract:
The Carotid Disease and Cardiac Surgery Consensus Meeting was convened as a multidisciplinary gathering to consider the management of patients undergoing cardiac surgery who are found to have asymptomatic carotid artery disease. There are no randomized trials concerning whether carotid interventions are of value in this situation and the natural history is unclear. Bilateral carotid artery disease (≥70% stenosis) should be regarded clinically relevant when considering hemodynamic and short-term surgical stroke risk. However, this may be because the presence of significant carotid disease is also a marker for aortic arch and intracerebral disease. A natural history study is urgently needed to determine the incidence, predictive factors, and natural history of asymptomatic carotid disease in patients undergoing contemporary cardiac surgical interventions to inform the design of any future randomized trial.
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