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Peri-Procedural Management of Hemodynamic Instability in Patients Undergoing Carotid Revascularization
Ossama M Reslan1, James T McPhee2, Bruce J Brener3
1Division of Vascular Surgery, Department of Surgery, VA Fargo HCS, Fargo, ND; Department of Surgery, University of North Dakota School of Medicine & Health Sciences, Fargo, ND.
Annals of Vascular Surgery
|April 8, 2022
Summary
Hemodynamic instability (HI) is frequent during carotid revascularization due to surgical factors disrupting the baroreflex. Close monitoring and therapy titration are key for managing arterial pressure and improving patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Anesthesiology
- Neurology
Background:
- Perioperative arterial pressure fluctuations are common, especially in patients with cardiovascular disease or undergoing specific surgeries.
- Carotid revascularization presents unique challenges leading to frequent Hemodynamic Instability (HI).
- Disruption of the baroreflex afferent pathway during surgery can cause postendarterectomy HI.
Purpose of the Study:
- To review the incidence, implications, and causes of Hemodynamic Instability (HI) in carotid surgery.
- To provide recommendations for the management of HI in this patient population.
Main Methods:
- Review of existing literature on Hemodynamic Instability (HI) in carotid revascularization.
- Analysis of physiological factors and surgical impacts on arterial pressure control.
- Evaluation of management strategies for perioperative arterial pressure.
Main Results:
- Poor arterial pressure control post-carotid revascularization correlates with increased morbidity and mortality.
- Achieving optimal arterial pressure control in these patients is often challenging.
- The etiology of HI is linked to the surgical disruption of baroreflex mechanisms.
Conclusions:
- Close monitoring of arterial pressure is crucial for managing Hemodynamic Instability (HI) after carotid surgery.
- Titration of therapeutic interventions is more critical than the specific choice of agents.
- Effective management of HI can mitigate associated risks and improve patient outcomes.
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