Influencing factors and countermeasures for successful resuscitation of out-of-hospital cardiac arrest patients in Yantian District， Shenzhen from 2015 to 2019

doi:10.3877/cma.j.issn.2095-9133.2024.04.002

Abstract

Abstract:

Objective

To analyze the influencing factors of successful pre hospital recovery and to explore strategies for improving the success rate of OHCA recovery in the local area.

Methods

The clinical data from all out-of-hospital cardiac arrest （OHCA） patients who underwent cardiopulmonary resuscitation（CPR） were retrospectively collected during pre hospital visits at Yantian District People's Hospital in Shenzhen from January 1， 2015 to December 31， 2019. Analyses of demographic indicators， etiology，emergency response time， initial heart rate， presence or absence of witnesses， bystander CPR， use of automatic external defibrillators （AED） by bystanders， and pre hospital advanced life support status were carried out. The impact of various factors in key links of the out of hospital storage chain on resuscitation effectiveness was investigated and the corresponding response strategies were explored.

Results

This study included 63 patients with respiratory and cardiac arrest， with an emergency response time of （14.68 sses， bystander CPR， use of automatic external defibd expiratory volume （FEV1））， asthma control loud platform video anics and airway clearaaneous circulation （ROSC）］. Compared with the ineffective resuscitation group， the pre hospital ROSC successful group showed statistically significant differences in average age， location of OHCA， etiology， initial heart rhythm， emergency response time， eyewitness CPR，adrenaline use， and other aspects （P＜0.05）.

Conclusions

The emergency medical service system for OHCA in Yantian District is not perfect yet.It is necessary to further strengthen public awareness of first aid，enhance public training in first aid skills， and implement early CPR and defibrillation for patients with cardiac arrest.At the same time，AEDs should be scientifically configured to further improve the success rate of rescue for OHCA patients in the local area.

Key words: Cardiac arrest, Cardiopulmonary resuscitation, Survival chain, Autonomous cycle recovery

Zibin Guo, Xuefeng Ke, Linxiao Yu, Weiye Zhang, Jun Zhang, Juan Wang. Influencing factors and countermeasures for successful resuscitation of out-of-hospital cardiac arrest patients in Yantian District， Shenzhen from 2015 to 2019[J]. Chinese Journal of Hygiene Rescue(Electronic Edition), 2024, 10(04): 199-202.

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URL: https://zhwsyjdzzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.2095-9133.2024.04.002

https://zhwsyjdzzz.cma-cmc.com.cn/EN/Y2024/V10/I04/199

Figures/Tables 2

指标	例数	复苏效果		P值
指标	例数	ROSC成功组	ROSC无效组	P值
性别
男性	46	4	42	P＞0.05
女性	17	2	15
年龄
平均年龄（岁， $\bar{x}$ ±s）	55.12±19.12	46.72±19.21	55.94±20.03	P＞0.05
≤18岁	2	1	1
18～35岁	9	2	7
36～60岁	26	2	24
≥60岁	26	1	25
OHCA时间				P＞0.05
0～8点	15	1	14
8～12点	13	1	12
12～17点	12	2	10
17～0点	23	2	21
OHCA病因				P＞0.05
心源性疾病	25	3	22
非心源性疾病	38	0	35
急救反应时间（min， $\bar{x}$ ±s）	14.68±6.72	12.76±6.12	14.23±5.24	P＜0.01
“120”调度员电话指导抢救	5	3	2	P＞0.05
初始心率
可除颤心律	6	5	1	P＜0.01
不可除颤心律	57	1	56
目击者情况
有目击者	36	5	31	P＜0.01
无目击者	27	1	26
有无目击者CPR
无目击者CPR	6	4	1	P＜0.01
有目击者CPR	57	2	55
院前高级生命支持
肾上腺素	33	4	29	P＜0.01

指标	例数	复苏效果		P值
指标	例数	ROSC成功组	ROSC无效组	P值
性别
男性	46	4	42	P＞0.05
女性	17	2	15
年龄
平均年龄（岁， $\bar{x}$ ±s）	55.12±19.12	46.72±19.21	55.94±20.03	P＞0.05
≤18岁	2	1	1
18～35岁	9	2	7
36～60岁	26	2	24
≥60岁	26	1	25
OHCA时间				P＞0.05
0～8点	15	1	14
8～12点	13	1	12
12～17点	12	2	10
17～0点	23	2	21
OHCA病因				P＞0.05
心源性疾病	25	3	22
非心源性疾病	38	0	35
急救反应时间（min， $\bar{x}$ ±s）	14.68±6.72	12.76±6.12	14.23±5.24	P＜0.01
“120”调度员电话指导抢救	5	3	2	P＞0.05
初始心率
可除颤心律	6	5	1	P＜0.01
不可除颤心律	57	1	56
目击者情况
有目击者	36	5	31	P＜0.01
无目击者	27	1	26
有无目击者CPR
无目击者CPR	6	4	1	P＜0.01
有目击者CPR	57	2	55
院前高级生命支持
肾上腺素	33	4	29	P＜0.01

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