在老年患者，骨科手术后心脏损伤问题日益突出。
Cardiac injury after orthopaedic surgery is an increasing problem particularly in an ageing population.
目的：探讨静脉留置针输液法在老年患者院前急救中的应用。
Objective: Inquire into vein detention the needle lose liquid method at old-age sufferer hospital before give first aid in of application.
在老年患者发生失败快，而年青患者可推迟行全髋关节置换术。
In older patients, failure occurs rapidly; in younger patients, total hip replacement surgery may be delayed.
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