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Correlation Study Between Insulin Resistance and Coronary Collateral Circulation in Patients With Impaired Glucose Tolerance / 中国循环杂志
Chinese Circulation Journal ; (12): 854-857, 2016.
Artigo em Chinês | WPRIM | ID: wpr-503865
ABSTRACT

Objective:

To study the relationship between insulin resistance (IR) and coronary collateral circulation in patients with impaired glucose tolerance (IGT).

Methods:

A total of 227 patients with coronary angiography (CAG) were studied. There were 131 patients with male gender and the average patient’s age was (53.2 ± 11.0) years. IR (HOMA2-IR) index was measured by HOMA2 method, the severity level of coronary stenosis was assessed by Gensini scoring system, collateral circulation condition was determined by Rentrop classiifcation. 187 IGT patients were divided into 4 groups Rentrop 0 group,n=55, Rentrop 1 group,n=42, Rentrop 2 group,n=39 and Rentrop 3 group,n=51; in addition, Control group,n=40 patients with normal glucose tolerance and coronary stenosis<50%.

Results:

Compared with Control group, all patients in 4 Rentrop groups had increased 2h-PBG, HbA1c, HOMA2-IR and Gensini score, while decreased fasting insulin (FINS), allP<0.05. Compared with Rentrop 3 group and Rentrop 2 group, the patients in Rentrop 1 group and Rentrop 0 group had elevated 2h-PBG, HbA1c, HOMA2-IR and Gensini score, while Rentrop 0 group had reduced FINS, allP<0.05. Multivariable regression analysis showed that HOMA2-IR index (R=0.518,P<0.05), HbA1c (R=1.916, P<0.05), 2h-PBG (R=2.130,P<0.05) and FINS (R=1.547,P<0.05) might be related to the severity of coronary stenosis. Binary regression analysis indicated that poor collateral circulation (the patients in Rentrop 0 group and Rentrop 1 group) was related to HOMA2-IR index (OR=1.679, 95% CI 1.101-2.558,P=0.016).

Conclusion:

HOMA2-IR index could be signiifcantly higher in patients with IGT combining chronic coronary occlusion. IR was the independent risk factor for the severity of coronary stenosis and coronary collateral formation.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Fatores de risco Idioma: Chinês Revista: Chinese Circulation Journal Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Fatores de risco Idioma: Chinês Revista: Chinese Circulation Journal Ano de publicação: 2016 Tipo de documento: Artigo