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Suitable bone markers assessing bone status in patients with both coronary artery disease and diabetes
Zhila Maghbooli1, Solaleh Emamgholipour2, Arash Hossein-Nezhad3
1Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
Insights
Bone turnover markers osteocalcin (OC) and carboxy-terminal collagen crosslinks (CTX) are lower in coronary artery disease (CAD) patients with type 2 diabetes (T2DM). These markers may be useful for managing CAD patients with diabetes.
Area of Science:
- Cardiology
- Endocrinology
- Bone Metabolism
Background:
- Coronary artery disease (CAD) and type 2 diabetes (T2DM) are significant health concerns.
- Investigating bone turnover markers in CAD patients with and without T2DM is crucial for understanding disease interplay.
Purpose of the Study:
- To compare bone turnover markers (osteocalcin, P1NP, CTX) in CAD patients with and without T2DM.
- To assess the relationship between bone markers, metabolic factors, and CAD status.
Main Methods:
- Cross-sectional study of 45 patients undergoing heart surgery.
- Categorized participants into CAD (n=33) and non-CAD (n=12) groups.
- Analyzed serum levels of OC, P1NP, CTX, 25(OH) vitamin D3, PTH, and metabolic factors.
Main Results:
- No significant difference in bone markers between CAD and non-CAD groups.
- FBG showed an inverse correlation with OC in CAD patients.
- OC and CTX levels were significantly lower in CAD patients with T2DM compared to those without diabetes.
Conclusions:
- Osteocalcin (OC) and carboxy-terminal collagen crosslinks (CTX) show potential as bone turnover markers in CAD patients with T2DM.
- Further research is needed to confirm the clinical utility of these markers in managing diabetes and CAD.
Background:
We aimed to investigate the bone turnover markers in coronary artery disease (CAD) patients with and without type 2 diabetes (T2DM) in comparison with control subjects without CAD and T2DM.
Methods:
This cross-sectional study was performed on 45 subjects undergoing elective heart surgery; either for coronary artery bypass grafting or for valve surgery. According to angiographic results, participants were grouped in two groups with CAD (n = 33) and without CAD (n = 12). The serum levels of osteocalcin (OC), procollagen I aminoterminal propeptide (P1NP) and carboxy-terminal collagen crosslinks (CTX), as bone turnover markers, as well as serum levels of 25 (OH) vitamin D3, PTH, and common metabolic factors were analyzed in all participants.
Results:
Serum levels of bone markers did not differ in patients with CAD compared to non-CAD subjects. Regarding metabolic factors, serum levels of FBG had invert correlation with OC in CAD patients (p = 0.004). The data of subgroup analysis showed serum levels of OC and CTX were statistically significant lower in CAD-DM than CAD-non DM (p < 0.05). There were not any significant differences in the P1NP levels between groups.
Conclusions:
Our data suggest that CTX and OC would be used as suitable bone markers in CAD patients with T2DM. However, further clinical studies need to establish the role of these markers in CAD patients with diabetes.
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