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Year : 2021  |  Volume : 9  |  Issue : 3  |  Page : 171-175

A study of human carcinoembryonic antigen as a biomarker for assessing the severity of stroke

1 Department of Medicine, Ramaiah Medical College, Bangalore, Karnataka, India
2 Fortis Hospital, Bangalore, Karnataka, India

Correspondence Address:
Dr. Vishwanath Krishnamurthy
Department of Medicine, Ramaiah Medical College, Bangalore, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajim.ajim_110_20

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Background and Objectives: Human carcinoembryonic antigen (CEA) is widely used as a tumor marker. Striking similarities have been reported between process of tumor genesis and atherosclerotic diseases. CEA levels have also been associated with development of atherosclerosis; there are not many studies on the use of CEA as a biomarker in prognostication of stroke. This study was aimed at evaluating the role of CEA as a marker of severity and as a prognostic marker in patients with acute ischemic stroke. Materials and Methods: A hospital-based case–control study was conducted at a tertiary care hospital in Bangalore. Sixty-eight individuals above 18 years of age were divided into two groups with 34 individuals each: Group A (ischemic stroke) and Group B (age- and sex-matched healthy controls). Exclusion criteria for Group A included diabetes mellitus, heavy smoking, and recent cerebrovascular or myocardial events. The blood sample was taken not later than 24 h of onset of stroke in Group A. CEA levels were estimated using double-sandwich ELISA method. CEA was compared in both the groups. Data were analyzed using statistical software SPSS version 21. Results: The mean standard error serum CEA levels in ischemic stroke patients (cases) and healthy controls were 5.67 ± 1.64 and 0.973 ± 0.21 ng/mL, respectively (P < 0.001). This was significant even after adjusting for confounders. The cases were further divided into three quartiles based on CEA levels. The mean duration of hospital stay, mortality and higher National Institutes of Health Stroke Scale scores, and poor improvement in grade of power were seen in cases under higher CEA quartile (>7 ng/ml) group. The difference was statistically significant. Conclusion: Patients with ischemic stroke have raised level of CEA. CEA is a promising novel biomarker for assessing the severity of acute ischemic stroke.

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