Key result
Microalbuminuria in T2D is linked to a ~141% higher prevalence of severe CAD.
Why the study?
Microalbuminuria indicates vascular and endothelial damage and may predict coronary atherosclerosis, but its relationship with coronary angiographic features in patients with type 2 diabetes mellitus needed stratification.
Does microalbuminuria predict the severity of coronary artery disease in patients with type 2 diabetes mellitus suspected of having ischemic heart disease?
Cross-Sectional (n=77)
No
Does microalbuminuria predict the severity of coronary artery disease in patients with type 2 diabetes mellitus suspected of having ischemic heart disease?
Absolute Event Rate: 75% vs 31.1%
In patients with type 2 diabetes mellitus, the presence of microalbuminuria is strongly associated with more severe, diffuse, and multi-vessel coronary artery disease.
Should not yet guide CAD evaluation in diabetes; cross-sectional association leaves open need for prospective validation.
Background: Microalbuminuria is recognized as a significant indicator of early cardiovascular problems and diabetic renal impairment. It is indicative of vascular and endothelial damage and could be predictive of coronary atherosclerosis. The purpose of this investigation is to stratify coronary angiographic features in individuals having type 2 diabetes mellitus (T2DM), microalbuminuria and suspected of suffering from ischemic heart disease. Methods: The cross-sectional prospective study had been performed over two years. Individuals who had T2DM undergoing coronary angiography for suspected ischemic heart disease but no prior history of myocardial infarction were chosen for the investigation. Results: The investigation involved coronary angiography for 77 individuals with T2DM suspected of suffering from ischemic heart disease. 61 (79%) of the 77 individuals had normoalbuminuria, and 16 (21%) had microalbuminuria. Six individuals with normal coronary arteries were in normoalbuminuria group, while none in the microalbuminuria group had normal coronary arteries, as determined by angiography. All diabetic patients exhibiting microalbuminuria had multiple coronary artery diseases (CAD), which is indicative of a severe condition. Conclusions: Microalbuminuria has been demonstrated to predict a more severe form of CAD along with intricate and widespread coronary lesions in people suffering from T2DM. Chronic smokers and elderly people having T2DM are more affected. Microalbuminuria has been associated with a severe form of coronary disease in these individuals. It was discovered that individuals with microalbuminuria were prone to more severe diffuse illness, and many had smaller caliber arteries that would be difficult to revascularize.
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Vara et al. (2025) conducted a cross-sectional in Type 2 diabetes mellitus with suspected ischemic heart disease (n=77). Microalbuminuria vs. Normoalbuminuria was evaluated on High severity coronary artery disease (SYNTAX score >32). In patients with type 2 diabetes, microalbuminuria was associated with more severe coronary artery disease, with 75% of microalbuminuric patients exhibiting a high SYNTAX score (>32) compared to 31% of normoalbuminuric patients.
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