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Gender influence on cognitive function after cardiac operation.

Charles W Hogue1, Rema Lillie, Tamara Hershey

  • 1Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA. hoguec@notes.wustl.edu

The Annals of Thoracic Surgery
|October 8, 2003
PubMed
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While overall cognitive dysfunction after cardiac surgery is similar between genders, women show a higher risk for visuospatial deficits. This highlights gender-specific impacts on neurological recovery following cardiac operations.

Area of Science:

  • Neurology
  • Cardiology
  • Cognitive Science

Background:

  • Women face increased stroke risk post-cardiac operations compared to men.
  • Postoperative cognitive dysfunction is a common neurological complication after cardiac surgery.

Purpose of the Study:

  • To investigate gender-specific influences on postoperative cognitive dysfunction.
  • To evaluate how sex impacts cognitive performance after cardiac operations.

Main Methods:

  • 117 patients (38 women, 79 men) underwent neuropsychological testing before and 4-6 weeks after cardiac surgery.
  • Cognitive domains assessed included attention, memory, executive function, and psychomotor processing speed.
  • Analysis focused on changes in cognitive test performance and factors influencing these changes.

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Main Results:

  • No significant gender difference was observed in the overall frequency of cognitive decline or improvement.
  • Female gender was independently associated with poorer postoperative visuospatial task performance after adjusting for multiple factors.
  • Risk factors for cognitive impairment varied across different cognitive domains.

Conclusions:

  • Cognitive dysfunction frequency is similar in men and women after cardiac surgery.
  • Women are more susceptible to impaired visuospatial processing post-cardiac operation.
  • The varied risk factors suggest multiple underlying causes for perioperative neurological injury.