目的观察老年无保护左主干(ulm)病变冠心病患者临床特点和冠状动脉病变情况。

Objective To study the coronary artery pathological changes and clinical characteristics of the elderly with unprotected left main (ULM) coronary artery disease.

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目的探讨急性心肌梗死（AMI）合并2型糖尿病（DM）患者的临床特征和冠状动脉病变特点。

Objective To study the clinical and coronary angiographic features in patients with acute myocardial infarction(AMI) and type 2 diabetes mellitus(DM).

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目的探讨川崎病(KD)冠状动脉病变的诊断和治疗。

Objective To discuss the diagnosis and therapy of coronary arterial lesions of Kawasaki Disease (KD).

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