Rewers M, Tilgreen R E, Crawford M E, Hjortsø N
Copenhagen Mobile Intensive Care Unit (Kobenhavns Laegeambulance), Copenhagen Municipal Hospital, Oster Farimagsgade 3, DK-1399 K, Copenhagen, Denmark.
Resuscitation. 2000 Oct;47(2):137-46. doi: 10.1016/s0300-9572(00)00211-2.
To determine survival after out-of-hospital cardiac arrest (CA) in Copenhagen, according to the Utstein recommendations, and compare this with other emergency medical services systems.
Register-based cohort study.
Copenhagen, population 465000, area 90 km(2).
Consecutive group of patients with out-of-hospital CA occurring between January 1 1991 and December 31 1993, followed up via the hospital database systems.
Two specially equipped advanced life support (ALS) units, staffed with an anaesthesiologist and a specially trained fireman, operating to support basic life support units.
Of 2225 patients who were unconscious without a pulse or breathing, 1461 were declared dead by the anaesthesiologist. Advanced cardiac life support was initiated in 764, 61 of which were of non-cardiac aetiology. The presumed aetiology was cardiac in 703: in 235 the event was unwitnessed, in 464 witnessed and in four the information was missing. Of 464 witnessed CA the initial rhythm was asystole in 72 cases, in 302 ventricular fibrillation (VF) or ventricular tachycardia (VT), and in 90 were in other rhythms. In these subgroups discharged rates were 5 (7%), 62 (21%) and 1 (1%), and 1-year survival rates were 4 (6%), 49 (16%) and 1 (1%), respectively. The median ALS call-response interval was 6 min.
Survival after CA is more likely if the collapse was witnessed and in patients with VF/VT of cardiac aetiology.
根据乌斯坦建议确定哥本哈根院外心脏骤停（CA）后的生存率，并将其与其他紧急医疗服务系统进行比较。
基于登记的队列研究。
哥本哈根，人口465000，面积90平方公里。
1991年1月1日至1993年12月31日期间发生院外CA的连续患者组，通过医院数据库系统进行随访。
两个配备特殊设备的高级生命支持（ALS）单元，配备一名麻醉师和一名经过专门培训的消防员，用于支持基本生命支持单元。
在2225名无意识、无脉搏或无呼吸的患者中，1461名被麻醉师宣布死亡。764名患者开始进行高级心脏生命支持，其中61名病因非心脏性。推测病因是心脏性的有703例：235例事件未被目击，464例被目击，4例信息缺失。在464例被目击的CA中，初始心律为心脏停搏的有72例，室颤（VF）或室性心动过速（VT）的有302例，其他心律的有90例。在这些亚组中，出院率分别为5例（7%）、62例（21%）和1例（1%），1年生存率分别为4例（6%）、49例（16%）和1例（1%）。ALS呼叫响应中位间隔时间为6分钟。
如果心脏骤停被目击且病因是心脏性VF/VT，则患者更有可能存活。
