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Related Experiment Video

Updated: Jan 20, 2026

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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Predictors of cognitive functioning after carotid revascularization.

Simona Lattanzi1, Luciano Carbonari2, Gabriele Pagliariccio2

  • 1Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy.

Journal of the Neurological Sciences
|September 6, 2019
PubMed
Summary

Age and pre-operative cerebral hemodynamics predict cognitive improvement after carotid endarterectomy (CEA) for severe internal carotid artery (ICA) stenosis. Lower age and better hemodynamic status correlate with greater cognitive gains post-surgery.

Keywords:
Carotid endarterectomyCarotid stenosisCognitive functioning

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Area of Science:

  • Neurology
  • Vascular Surgery
  • Cognitive Neuroscience

Background:

  • High-grade carotid stenosis significantly impacts cognitive function.
  • The link between carotid stenosis correction and cognitive outcomes requires further elucidation.
  • Internal carotid artery (ICA) stenosis is a critical condition affecting cerebral blood flow.

Purpose of the Study:

  • To identify predictors of post-operative neurocognitive functioning in patients undergoing carotid endarterectomy (CEA).
  • To evaluate the relationship between cerebral hemodynamics and cognitive outcomes after CEA for symptomatic severe ICA stenosis.

Main Methods:

  • Prospective enrollment of patients with recent transient ischemic attack and severe ICA stenosis undergoing CEA.
  • Assessment of cerebral vasomotor reactivity (CVR) using transcranial Doppler ultrasonography.
  • Cognitive function evaluation using standardized tests for both hemispheres before and 6 months after CEA.

Main Results:

  • Cognitive test scores and cerebral hemodynamics improved 6 months post-CEA.
  • Multivariate analysis revealed age and pre-operative CVR as significant predictors of cognitive change.
  • Inverse association found between cognitive improvement and both increasing age and lower CVR values.

Conclusions:

  • Pre-operative age and cerebral hemodynamic status are key predictors of neurocognitive performance changes after CEA.
  • Optimizing patient selection and understanding hemodynamic factors can improve post-surgical cognitive outcomes.
  • Further research into hemodynamic predictors may refine surgical decision-making for carotid stenosis.