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Post-carotid endarterectomy cerebral hyperperfusion syndrome : is it preventable by strict blood pressure control?

Kyung Hyun Kim1, Chang-Hyun Lee, Young-Je Son

  • 1Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea.

Journal of Korean Neurosurgical Society
|November 27, 2013
PubMed

Insights

Strict blood pressure control after carotid endarterectomy (CEA) effectively prevented cerebral hyperperfusion syndrome (CHS). This intensive care approach minimized post-operative hyperperfusion and related complications.

Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Intensive Care Medicine

Background:

  • Cerebral hyperperfusion syndrome (CHS) is a significant risk following carotid endarterectomy (CEA).
  • Improved surgical techniques have reduced CHS prevalence, but prevention strategies remain crucial.
  • This study investigates the efficacy of strict blood pressure (BP) management in preventing CHS.

Purpose of the Study:

  • To evaluate the effectiveness of strict BP control in preventing CHS post-CEA.
  • To assess the incidence of post-CEA hyperperfusion under a defined BP management protocol.
  • To determine if intensive care with strict BP targets can mitigate CHS risk.

Main Methods:

  • Retrospective review of 18 patients undergoing CEA between February 2009 and November 2012.
  • Standardized intensive care unit management with strict BP control (<140/90 mm Hg) for 7 days.
  • Cerebral perfusion assessed using perfusion computed tomography (pCT) and transcranial Doppler (TCD) to detect hyperperfusion (>100% increase).

Main Results:

  • Ipsilateral regional cerebral blood flow (rCBF) showed a significant increase post-CEA on pCT (p=0.049).
  • Post-CEA hyperperfusion was detected in 18.7% of patients via pCT and 12.5% via TCD.
  • No patients developed clinical CHS or new neurological deficits within one month post-CEA.

Conclusions:

  • Intensive care with strict BP control (<140/90 mm Hg) is effective in reducing post-CEA hyperperfusion.
  • This stringent BP management strategy successfully prevented the occurrence of CHS.
  • Strict BP control in the intensive care setting is a viable method for preventing post-CEA CHS.
Abstract

Keywords:
Blood pressureCarotid endarterectomyCerebral blood flowCerebral hyperperfusion syndromeHyperperfusion

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