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  • Title: [Clinical characteristics, treatments and outcome of diabetic patients with non-ST elevation acute coronary syndromes in China].
    Author: Yu LT, Tan HQ, Zhu J, Zhang Y, Li JD, Liu LS, Chinese Coordinating Center of Organization to Assess Strategies for Ischemic Syndromes Registry.
    Journal: Zhonghua Xin Xue Guan Bing Za Zhi; 2011 May; 39(5):390-6. PubMed ID: 21781590.
    Abstract:
    OBJECTIVE: To observe the clinical characteristics, treatment options and outcome of diabetic patients with non-ST elevation acute coronary syndromes (NSTEACS). METHODS: Consecutive patients admitted with NSTEACS from 38 centers in north China were enrolled. Medical histories, clinical characteristics, treatments and outcomes were evaluated and follow-up was made at 6, 12, and 24 months after their initial hospital admission. Cumulative event rates were compared between diabetic and non-diabetic patients. RESULTS: There were 420 diabetic patients out of 2294 NSTEACS patients (18.3%). Diabetic patients were older [(64.9 ± 6.7) years vs. (62.3 ± 8.6) years, P < 0.01], more often women (48.1% vs. 35.3%, P < 0.05) and were associated with higher baseline comorbidities such as previous hypertension, myocardial infarction, congestive heart failure and stroke than non-diabetic patients. The incidence of antiplatelet therapy (92.1% vs. 95.0%, P < 0.05), coronary angiography (30.0% vs. 36.3%, P < 0.05) and revascularization (12.1% vs.18.8%, P < 0.05) was lower in patients with diabetes than non-diabetic patients. In hospital and 2-year mortality as well as the incidence of congestive heart failure and composite outcomes of myocardial infarction, stroke, congestive heart failure and death were substantially higher in diabetic patients compared with non-diabetic patients. Multivariate Cox regression analysis revealed that age ≥ 70 years, diabetes, previous myocardial infarction, previous congestive heart failure, systolic blood pressure less than 90 mm Hg (1 mm Hg = 0.133 kPa) and heart rate more than 100 bpm at admission were risk factors for 2-year death. CONCLUSION: In NSTEACS, diabetes is associated with higher rate of in-hospital and 2-year death, congestive heart failure and composite outcomes of myocardial infarction, stroke, congestive heart failure and death. Diabetes mellitus is a major independent predictor of 2-year mortality post NSTEACS. Status of antiplatelet therapy, coronary angiography and revascularization should be improved for diabetic patients with NSTEACS during hospitalization.
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