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:: Volume 13, Issue 4 (Autumn 2022) ::
Caspian J Intern Med 2022, 13(4): 780-785 Back to browse issues page
Association of serum calcium levels with infarct volume and stroke scores in acute ischemic stroke patients: An observational study
Ramya R Nayak * , Srikanth Narayanaswamy
Department of General Medicine, Ramaiah Medical College and Hospital, Bengaluru 560 054, Karnataka, India , ramyagirish69@yahoo.com
Abstract:   (426 Views)
Background: Stroke vastly contributes to death and disability worldwide. Acute ischemic stroke (AIS) is caused by a reduction in supply of blood to the brain. Accumulation of unnecessary intracellular serum calcium in AIS induces the cytotoxic actions that activates enzymes involved in cell death. The present investigation assessed the relationship of total serum calcium level (at admission) and initial diffusion weighted imaging (DWI) infarct volume and correlated with National Institute of Health Stroke Scale (NIHSS) scores.
Methods: A hospital-based observational study was conducted on 74 consecutive patients identified with AIS fulfilling the inclusion criteria. NIHSS scores and serum ionized calcium
were calculated in every patient and compared with DWI infarct volume for assessing correlation between these three. Statistical software R Version 4.0.2 and Microsoft Excel were used for statistical analysis.
Results: Out of the 74 patients, most of them were in age group of 50-69 years, with a male preponderance (68.9%). A significant association was noticed between diabetes and dyslipidemia with age (P=0.01499). A strong negative correlation was observed between NIHSS scores (at admission & discharge) with ionized calcium, while a strong positive correlation was noticed between stroke scores with infarct volume. A statistically significant negative correlation was recorded between serum calcium (on admission) and infarct size (r=-0.851755, P=0.0001). The mean of NIHSS scores on admission (8.24±5.19) has been remarkably higher when compared with NIHSS scores at discharge (5.25±3.89).
Conclusion: In patients with AIS examined within 6-24 hours of symptoms onset, serum ionized calcium and volume of infarct on DWI showed inverse association. Serum calcium serves as a marker of severity and acts as prognostic factor in AIS.
Keywords: Acute Stroke, Serum Calcium, NIHSS Score, Infarct Size, Prognosis
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Type of Study: Original Article | Subject: Cardiology
Received: 2021/07/23 | Accepted: 2021/12/6 | Published: 2022/09/28
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Nayak R R, Narayanaswamy S. Association of serum calcium levels with infarct volume and stroke scores in acute ischemic stroke patients: An observational study. Caspian J Intern Med 2022; 13 (4) :780-785
URL: http://caspjim.com/article-1-3018-en.html

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Volume 13, Issue 4 (Autumn 2022) Back to browse issues page
Caspian Journal of Internal Medicine
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