Title: Geriatric Patients and the Graying of the Global ED Population
题目：老年患者以及全球急诊患者老龄化
Author 作者: Jon Mark Hirshon
江利冰 译 肖锋 校

Background:
背景：
•With current medical advances and the adoption of healthier lifestyles, people are living longer.
•随着医疗的进步以及更加健康的生活方式的采纳，人类的寿命越来越长。
•65+ years old is the fastest growing segment of the global population
•65岁以上的人群是全球增长最快的人口群体。
•In 1994:
•在1994年
65+ accounted for 13% of the population
65岁以上的人群占整个人口的13%。
•By 2030:
•到2030年：
Developed Countries: 65+ age segment of population will be larger than <65 age in many developed countries
发达国家：在发达国家65岁以上的人群将会超过65岁以下的人群。
Developing Countries: 75% of elderly will be living in lower and middle income countries with less well-developed health care systems
发展中国家：75%的老年人群生活在中低收入的发展中国家，而这些国家医疗服务系统往往不发达。

Relevance to the EM Physician:
和急诊科医师相关：
•Elderly account for 12% to 24% of all ED visits
•老年占急诊量的12%-24%。
•Older patients present with a higher level of acuity and generally have more serious medical illness.
•老年患者的往往更加敏感而且经常伴有严重的基础疾病。
•Arrive more often by ambulance
•更多是由救护车送达急诊室
•Higher rates of test use and longer ED stays
•需要进行检查的可能性更高，以及急诊室的停留时间更长
•2.5 to 4.6 times higher risk for hospitalization
•住院的可能性增加2.5-4.6倍
•5-fold higher admission rate to an ICU
•入住ICU的可能性增加5倍
•More likely to be misdiagnosed
•更加容易被误诊
•More frequently discharged with unrecognized / untreated problems.
•经常会带着无法识别或者治疗的疾病出院

References
参考文献：
Samaras N, Chevalley T, Samaras D, et al.  “Older Patients in the Emergency Department: A Review” Annals of EM Vol 56:3, Sept 2010, p 261-269.
WHO Global Burden of Disease. 2010.  www.who.int/healthinfo/global_burden_disease/GBD_report_2010update_full.pdf
United Nations. “World Population Ageing 1950-2050” 2011.  www.esa.un.org/wpp/