动脉硬化性疾病；下肢缺血；人工血管；血管外科手术。

Arterial occlusive diseases; Lower extremities ischemia; Blood vessel prosthesis; Vascular surgical procedures.

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此技术虽不能完全取代肺动脉插管，但它可用于监测大部分择期血管外科手术患者的血液动力学。

Although this technique can not fully replace the pulmonary artery catheterization, it may be used to monitor central hemodynamics in the most of aortic reconstruction patients.

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在血管外科手术患者中，手术时间以及糖尿病是术后感染的有意义指征，其与术后高血糖并无关联。

Among vascular surgery patients, operative time and diabetes were the only significant predictors of surgical site infection, which was not associated with postoperative hyperglycemia.

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