A critical look at "high-risk" in choosing the proper intervention for patients with carotid bifurcation disease
Gregg S Landis1, Peter L Faries
1Division of Vascular Surgery, Department of Surgery, New York Hospital Queens, Flushing, NY 11355, USA. grl9006@nyp.org
Insights
Carotid endarterectomy and stenting techniques are evolving, necessitating a reevaluation of patient risk. Tailoring treatment based on individual anatomy and physiology optimizes outcomes for carotid artery disease.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Neurosurgery
Background:
- Advances in carotid endarterectomy and percutaneous revascularization techniques necessitate updated risk assessments.
- Improved safety of carotid stenting, including cerebral protection devices, alters the risk-benefit analysis.
- Enhanced medical therapies for atherosclerosis prompt reevaluation of carotid revascularization standards.
Purpose of the Study:
- To compare carotid endarterectomy and stenting across diverse patient risk profiles.
- To identify anatomical and physiological factors influencing outcomes for each procedure.
- To guide individualized treatment algorithms for carotid bifurcation disease.
Main Methods:
- Review of current literature on carotid endarterectomy and stenting outcomes.
- Analysis of patient-specific risk factors and their impact on perioperative complications.
- Examination of anatomical and physiological determinants of treatment success.
Main Results:
- Refined endarterectomy techniques challenge traditional high-risk patient classifications.
- Carotid stenting, aided by protection devices, offers improved safety profiles.
- Medical therapy advancements influence the necessity of surgical intervention for severe stenosis.
Conclusions:
- Both endarterectomy and stenting have unique risk factors influencing patient outcomes.
- Identifying high-risk patients is crucial for selecting the optimal treatment modality.
- A personalized approach considering individual clinical situations is essential for best outcomes.
Abstract:
Refinements in the technique of carotid endarterectomy have been accompanied by a growing literature calling into question the notion that a broad class of patients is at high-risk for surgery due to clinical comorbidities. Moreover, progress in the percutaneous revascularization of carotid bifurcation disease has highlighted the need for direct comparisons between endarterectomy and stenting across the entire spectrum of perioperative risk. The improved safety of carotid stenting, to some extent due to the advent of cerebral protection devices, has further altered the risk-to-benefit analysis. Lastly, dramatic improvements in medical therapy for the systemic manifestations of atherosclerosis have prompted a reevaluation of carotid revascularization as the standard of care for patients with severe carotid bifurcation stenosis. Endarterectomy and stenting each have unique procedure-specific factors that determine whether a patient is at increased risk for perioperative complications. Determining which patients are at high-risk for these modalities will impact the individualized treatment algorithm. This article examines the anatomical and physiologic conditions that can affect the anticipated outcome of each treatment modality. Ultimately, a tailored approach to each patient's clinical situation is likely to result in the best outcome following treatment.
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