Abstract
Background and aim Coronary artery disease (CAD) is a severe and life-threatening complication in patients with diabetes, resulting in significant morbidity and death burdenglobally. Although serum uric acid levels have been linked to the aetiology of both CAD and diabetes, the association between uric acid and CAD severity in diabetic patients remains unknown. This study aimed toinvestigate the relationship between serum uric acid levels and the severity of CAD in patientswith diabetes undergoing coronary angiography. This study also compared patient parameters and comorbidities linked with high uric acid levels. Material and methods This cross-sectional study was conducted at the Lady Reading Hospital in Peshawar, Pakistan, from October 20, 2022, to September 20, 2023. A total of 290 patients with diabetes were enrolled. These participants were divided into groups depending on their serum uric acid levels: Group A (n = 145) and Group B (n = 145). On average, patients in Group A had high serum uric acid levels, whereas those in Group B had normal serum uric acid levels. Coronary angiograms were analysed using well-established assessment methods to determine the severity of CAD using the Syntax score as the mean score was greater for Group A with higher serum uric acid levels than Group B. Results The mean age of patients in Group A was 59.2±7.1 years, whereasin Group B, itwas 60.5±6.8 years. The percentage of male patients in Group A was 62%and 58.6% in Group B. The mean BMI for group A was 28.4±2.3 kg/m2, while the mean BMI for group B was 27.9±2.1 kg/m2. In both groups, the prevalence of hypertension, dyslipidemia and family history of CAD did not differ significantly. Group A's mean serum uric acid levels were 8.17 ± 1.64, while in Group B, 5.03 ± 1.09. Similarly, the mean Syntax score, which is a visual estimate of CAD burden and complexity, washigher in Group A (37.59 ± 3.41) compared to Group B (26.44 ± 2.97),and the difference was statistically significant (p = 0.001). The severity of CAD based on syntax score was found to be significantly different in both groups (p=0.04). Conclusion This study illustrates that patients with high uric acid levels are more likely to have CAD as indicated by a higher mean Syntax score in Group A compared to Group B. However, serum uric acid levels alonecannot accurately predict the severity of CAD on coronary angiography in diabetic patients.These findings add to the evidence already available, emphasizing the significance of serum uric acid as a potential biomarker for risk stratification in this vulnerable population.
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