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Effect of Serum Uric Acid Level on Acute Ischaemic Stroke Patients in South Indian Population: A Prospective Cohort Study
OC54-OC58
Correspondence
Dr. Thangavelu Arun Prakash,
No. 234, Anugraha Satellite Township, Cuddalore District,
Periyakattupalayam-605007, Tamil Nadu, India.
E-mail: drarunt@gmail.com
Introduction: Stroke is one of the most common causes of morbidity and mortality in the world. Various studies have shown the correlation between the uric acid levels and acute ischaemic stroke. There are several studies which project the cerebro-protective effect of uric acid in acute ischaemic stroke patients by its antioxidant effect. However, still it is a wide area of controversy.
Aim: To assess the short term (14 days) clinical outcomes in acute ischaemic stroke patients with reference to their serum uric acid levels on day of admission day.
Materials and Methods: This prospective cohort study, which included a total of 74 acute ischaemic stroke patients who presented to Emergency Department in a Mahatma Gandhi Medical College and Research Institute, Sri Balaji Vidyapeeth University, Pondicherry (a tertiary care hospital in South India) within 48 hours from the month of April 2018 and June 2019. The severity of stroke was quantified in all patients using National Institute of Health Stroke Scale (NIHSS) during admission and serum uric acid levels and other routine investigations were measured in all cases. All patients were managed as per American Heart Association (AHA) guidelines and at the end of 14 days their outcome was reassessed by modified Rankin Scale (mRS). The correlation between severity of stroke and the clinical outcome on 14 days with reference to admission day serum uric acid was analysed.
Results: A total of 74 patients were analysed, 51 were male and 23 were females and mean serum uric acid was 6.07±0.78 (mg/dL), and mean NIHSS score at admission was 18.32±3.8. Severity assessment by NIHSS scoring system showed majority percentage of population in elevated serum uric acid group were in moderate and severe categories (73.7%, 62.9%, respectively) in adjunct with normal uric acid group. Outcome assessment by mRS showed major percentage population in elevated uric acid group with score 2,3 (score 2-89.3%, score 3-80%) in relation to normal uric acid group.
Conclusion: The present study supported the hypothesis that acute ischaemic stroke patients with elevated serum uric acid levels at the time of admission had reduced severity and favourable short term clinical outcome due to its neuroprotective effect secondary to antioxidant property.