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Published on: August 8, 2019
Effectiveness Analysis of a Part-Time Rapid Response System During Operation Versus Nonoperation
Youlim Kim1, Dong Seon Lee, Hyunju Min
11Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. 2Interdepartment of Critical Care Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. 3Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea. 4Department of Anesthesiology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. 5Department of Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
A part-time rapid response system significantly reduced cardiopulmonary arrest rates, particularly during its operating hours. This study highlights the effectiveness of targeted interventions in improving patient safety outcomes.
Area of Science:
- Critical Care Medicine
- Hospital Quality Improvement
- Patient Safety Research
Background:
- Cardiopulmonary arrest (CPA) is a critical event in hospitalized patients.
- Rapid response systems (RRS) aim to improve outcomes by providing early intervention.
- The impact of part-time RRS operation on CPA incidence requires evaluation.
Purpose of the Study:
- To assess the effect of a part-time rapid response system on CPA occurrence.
- To compare CPA rates during RRS operation versus non-operation periods.
- To analyze CPA incidence before and after RRS implementation.
Main Methods:
- Retrospective cohort study design.
- Inclusion of adult patients admitted to a 1,360-bed tertiary care hospital general ward.
- Data collection spanning over 45 months pre-RRS and 36 months post-RRS implementation.
Main Results:
- Overall CPA incidence decreased significantly post-RRS implementation (1.60 to 1.23 per 1,000 admissions).
- CPA incidence reduced by 40% during RRS operating hours (0.82 to 0.49 per 1,000 admissions).
- CPA incidence remained unchanged during non-operating hours, and mortality rates were unaffected.
Conclusions:
- A part-time rapid response system effectively reduced CPA incidence.
- The reduction in CPA is primarily attributed to improved outcomes during RRS operating times.
- Further cost-effectiveness analysis of part-time RRS is warranted.

