Elsevier

Resuscitation

Volume 102, May 2016, Pages 51-56
Resuscitation

Clinical paper
Incidence and outcome of adult in-hospital cardiac arrest in Beijing, China

https://doi.org/10.1016/j.resuscitation.2016.02.002Get rights and content

Abstract

Objective

To assess the incidence and outcome of in-hospital cardiac arrests (IHCAs) in Beijing, China.

Methods

The incidence and outcome of IHCAs over a 12-month period were evaluated in this prospective study. Between January 1 and December 31, 2014, 12 Beijing hospitals prospectively participated in this study for calculation of the incidence of IHCA. Data were collected according to the Utstein style for all cases of attempted resuscitation for IHCA that occurred in the participating hospitals. Surviving patients were followed for 1 month.

Results

The total number of admissions across the 12 hospitals during this 1-year period was 582,242; the IHCA incidence was 17.5 per 1000 admissions. Of the 10,198 IHCAs recorded, cardiopulmonary resuscitation (CPR) was initiated in 26.6%. Among CPR recipients, 1292 (47.6%) had a presumed cardiac aetiology and 1255 occurred in the Emergency Department. With regards to initial rhythm, 1340 had asystole and 423 had shockable rhythms. Of those receiving CPR, 1451 (53.5%) patients received it in less than 1 min. Restoration of spontaneous circulation was achieved in 962 (35.5%) patients; 247 (9.1%) patients were discharged alive and 174 (6.4%) patients had good neurological outcomes. At 1 month after discharge, 236 patients remained alive. On multivariate regression analysis, factors associated with survival included female sex, age <60 years, and ventricular fibrillation/ventricular tachycardia as the initial rhythm.

Conclusion

The incidence of IHCA in Beijing hospitals is high and the survival is poor compared to other industrialized countries.

Introduction

Despite the development of resuscitation protocols and increasing knowledge about cardiopulmonary resuscitation (CPR), in-hospital cardiac arrest (IHCA) is associated with significant morbidity and mortality.1, 2, 3, 4, 5

In 1997, the Utstein style guidelines for the documentation and reporting of IHCA were published, which allowed for the reviewing, reporting, and conducting of research on in-hospital resuscitation across medical centres.6 Subsequent updating of the guideline's core variables have made this process more simplified and practical.7 Many studies on IHCA have been published during the past two decades, and their results have contributed extensively to the development of modern CPR science.8, 9

There are no previous reports regarding the incidence and outcome following IHCA in Beijing, China. In this study, we used the Utstein style guidelines to prospectively collect and analyse data on in-hospital resuscitations in Beijing during 2014. Using a systematic evaluation, we also attempted to determine which factors were associated with improved outcome following IHCA.

Section snippets

Study design

This was a prospective, observational multicentre study of IHCAs conducted between January 1 and December 31, 2014 in Beijing, China. Eligible cases were 14 years or older, and all surviving patients were followed out to 1 month.

Setting

We collected data on total admissions and total IHCAs from 12 Level III or Level II hospitals in Beijing over a 1-year period. The characteristics of the hospitals are shown in Table 1. These hospitals are located in eight districts in Beijing, including six urban and

Study population

We identified 10,198 patients who experienced an IHCA at one of the 12 hospitals during the 1-year study period. Within this patient population, CPR was not attempted in 7486 cases. A total of 2712 patients were resuscitated and documented using the Utstein template (Fig. 1). Characteristics of these CPR recipients are shown in Table 2. Of these patients, over half (57.9%) were over 60 years old, and one-third (873) were women.

Incidence

The 12 hospitals had a total of 582,242 admissions combined during

Discussion

This is the first study of IHCA in Beijing using the Utstein style. We calculated the incidence of IHCA in Beijing according to data obtained from 12 hospitals in a 1-year span. Our evaluation shows that the incidence of IHCA is 17.5 per 1000 admissions in Beijing. For individual hospitals, the median incidence of 19.9 per 1000 hospital admissions was higher than that reported in the United States (4.02), the United Kingdom (1.6), and most European countries.3, 4, 5, 10, 11 We found that all

Conclusions

The incidence of IHCA in Beijing is higher than that reported in the United States and in European countries, and the overall rate of ROSC and survival to discharge of IHCA patients in Beijing is also lower. Factors associated with survival to hospital discharge were female sex, age <60 years, and VF/VT as the initial rhythm. Medical facilities should consider formal resuscitation team implementation to improve the outcome of IHCA going forward.

Conflict of interest statement

All the authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript. All authors declare that they have no conflicts of interest.

Acknowledgments

We thank all the colleagues who collected medical information of the patients included in this study. The study was supported by a grant from the Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support, code: XMLX201313.

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    A Spanish translated version of the abstract of this article appears as Appendix in the final online version at http://dx.doi.org/10.1016/j.resuscitation.2016.02.002.

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