Coronary artery disease · 2013
Coronary spastic angina is associated with insulin resistance - possible involvement of endothelial dysfunction.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Kashiwagi Yusuke, Harada Eisaku, Mizuno Yuji, Morita Sumio, Shono Makoto, Murohara Toyoaki, Yoshimura Michihiro, Yasue Hirofumi
Аннотация
OBJECTIVE: In this study, we examined whether coronary spastic angina (CSA) is associated with insulin resistance.
BACKGROUND: There is increasing evidence that insulin resistance is associated with endothelial dysfunction. Patients with CSA show endothelial dysfunction.
METHODS: The study participants include 111 CSA patients (81 men and 30 women, mean age 62±12 years) and 53 participants without CSA (24 men and 29 women, mean age 63±10 years), serving as the controls. The oral glucose tolerance test was performed, and anthropometric parameters, plasma glucose and insulin levels, lipid profiles, and other laboratory parameters were evaluated.
RESULTS: Homeostasis model assessment of insulin resistance (HOMA-IR), Log HOMA-IR, the quantitative insulin sensitivity check index, the insulin sensitivity index, and insulin resistance 60-120 min after glucose load (log post-glucose-IR) were calculated as surrogate markers of insulin resistance. The number of men, the number of smokers, log post-glucose-IR, the insulin sensitivity index, and fasting plasma glucose levels were higher in CSA patients compared with controls (P=0.001, 0.001, 0.004, 0.012, and 0.013, respectively), whereas plasma high-density lipoprotein cholesterol levels were lower (P<0.001).
CONCLUSION: Insulin resistance on glucose load (log post-glucose-IR), plasma high-density lipoprotein cholesterol levels, and smoking were significantly associated with CSA (r=0.225, P=0.004; r=-0.313, P<0.001; and r=0.258, P=0.001, respectively).
BACKGROUND: There is increasing evidence that insulin resistance is associated with endothelial dysfunction. Patients with CSA show endothelial dysfunction.
METHODS: The study participants include 111 CSA patients (81 men and 30 women, mean age 62±12 years) and 53 participants without CSA (24 men and 29 women, mean age 63±10 years), serving as the controls. The oral glucose tolerance test was performed, and anthropometric parameters, plasma glucose and insulin levels, lipid profiles, and other laboratory parameters were evaluated.
RESULTS: Homeostasis model assessment of insulin resistance (HOMA-IR), Log HOMA-IR, the quantitative insulin sensitivity check index, the insulin sensitivity index, and insulin resistance 60-120 min after glucose load (log post-glucose-IR) were calculated as surrogate markers of insulin resistance. The number of men, the number of smokers, log post-glucose-IR, the insulin sensitivity index, and fasting plasma glucose levels were higher in CSA patients compared with controls (P=0.001, 0.001, 0.004, 0.012, and 0.013, respectively), whereas plasma high-density lipoprotein cholesterol levels were lower (P<0.001).
CONCLUSION: Insulin resistance on glucose load (log post-glucose-IR), plasma high-density lipoprotein cholesterol levels, and smoking were significantly associated with CSA (r=0.225, P=0.004; r=-0.313, P<0.001; and r=0.258, P=0.001, respectively).