Inflammation and Cognitive Dysfunction in Type 2 Diabetic Carotid Endarterectomy Patients

Overview

Journal Diabetes Care

Specialty Endocrinology

Date 2013 Jun 6

PMID 23735728

Citations 8

Authors

Eric J Heyer

Joanna L Mergeche

Samuel S Bruce

E Sander Connolly

Affiliations

Soon will be listed here.

Abstract

Objective: Type 2 diabetic patients have a high incidence of cerebrovascular disease, elevated inflammation, and high risk of developing cognitive dysfunction following carotid endarterectomy (CEA). To elucidate the relationship between inflammation and the risk of cognitive dysfunction in type 2 diabetic patients, we aim to determine whether elevated levels of systemic inflammatory markers are associated with cognitive dysfunction 1 day after CEA.

Research Design And Methods: One hundred fifteen type 2 diabetic CEA patients and 156 reference surgical patients were recruited with written informed consent in this single-center cohort study. All patients were evaluated with an extensive battery of neuropsychometric tests. Preoperative monocyte counts, HbA1c, C-reactive protein (CRP), intercellular adhesion molecule 1, and matrix metalloproteinase 9 activity levels were obtained.

Results: In a multivariate logistic regression model constructed to identify predictors of cognitive dysfunction in type 2 diabetic CEA patients, each unit of monocyte counts (odds ratio [OR] 1.76 [95% CI 1.17-2.93]; P=0.005) and CRP (OR 1.17 [1.10-1.29]; P<0.001) was significantly associated with higher odds of developing cognitive dysfunction 1 day after CEA in type 2 diabetic patients.

Conclusions: Type 2 diabetic patients with elevated levels of preoperative systemic inflammatory markers exhibit more cognitive dysfunction 1 day after CEA. These observations have implications for the preoperative medical management of this high-risk group of surgical patients undergoing carotid revascularization with CEA.

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