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Updated: May 24, 2026
06:05
Modified Radical Neck Dissection for Cervical Metastasis
Published on: February 20, 2026
Postoperative hypertension following radical neck dissection.
Smita Prakash1, Amy Rapsang, Suresh S Kumar
1Department of Anaesthesia and Intensive Care, Vardhman Mahavir Medical College and Safdarjang Hospital, New Delhi, India.
Journal of Anaesthesiology, Clinical Pharmacology
|February 21, 2012
Summary
Baroreflex failure causes significant blood pressure and heart rate changes. Severe hypertension after radical neck dissection may stem from carotid sinus denervation disrupting this reflex.
Area of Science:
- Cardiovascular physiology
- Surgical complications
Background:
- The baroreflex is a critical mechanism for regulating blood pressure and heart rate.
- Radical neck dissection is a surgical procedure involving the removal of neck structures.
Observation:
- Two patients experienced severe hypertension post-radical neck dissection.
- This hypertension emerged after the effects of general anesthesia subsided.
Findings:
- Carotid sinus denervation during radical neck dissection is hypothesized as the cause of baroreflex failure.
- This denervation leads to uncontrolled blood pressure and heart rate fluctuations.
Implications:
- Understanding this complication is crucial for managing patients undergoing neck dissection.
- Potential interventions to mitigate baroreflex dysfunction post-surgery warrant investigation.
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