Clinical effects of a new dispatcher-assisted basic life support training program in a metropolitan city

Gwan Jin Park, Kyoung Jun Song, Sang Do Shin, Ki Jeong Hong, Tae Han Kim, Yu Mi Park, Joyce Kong, Gwan Jin Park, Kyoung Jun Song, Sang Do Shin, Ki Jeong Hong, Tae Han Kim, Yu Mi Park, Joyce Kong

Abstract

This study estimates the effect of a new dispatcher-assisted basic life support training program on the survival outcomes of out-of-hospital cardiac arrest (OHCA). Before-and-after intervention trials were conducted in Seoul. Patients who suffered OHCA in a private place from January 2014 to December 2017 were included. The intervention group was 3 districts; the other 22 districts were regarded as the control group. The primary outcome was survival up to hospital discharge. The difference-in-difference (DID) was calculated to evaluate changes in the survival outcomes of the 2 groups over the period. A total of 10,127 OHCA patients were included in the final analysis. OHCA patients in the intervention group were less likely to receive bystander cardiopulmonary resuscitation (57.8% vs 61.1%; P = .02) and showed lower survival outcomes (5.7% vs 6.4% for survival up to hospital discharge; P = .34 and 2.8% vs 3.7% for good neurological recovery; P = .11), but this was not statistically significant. Compared to 2014, good neurological recovery in 2017 was significantly improved in the intervention group (DID for good neurological recovery = 3.2%; 0.6-5.8). There were no statistically significant differences in return of spontaneous circulation and survival up to hospital discharge between the 2 groups (DID for survival to discharge was 1.8% [-1.7 to 5.3] and DID for return of spontaneous circulation was -2.5% [-9.8 to 4.8]). Improvement in neurological recovery was observed in the 3 districts after implementing the new dispatcher-assisted basic life support training program.

Trial registration: ClinicalTrials.gov NCT02142387.

Conflict of interest statement

The authors have no funding and conflicts of interest to disclose.

Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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Source: PubMed

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