The inpatient treatment process is becoming more and more complicated with advanced treatments, aging of the patient population, and multiple comorbidities. During the process, patients often experience unexpected deterioration, about half of which might be preventable. Early identification of patient deterioration and the proper response are priorities in most healthcare facilities. A rapid response system (RRS) is a safety net to identify antecedents of these adverse events and to respond in a timely manner. The RRS has become an essential part of the medical system worldwide, supported by all major quality improvement organizations. An RRS consists of a trigger system and response team and needs constant assessment and process improvement. Although the effectiveness and cost-benefit of RRS remain controversial, according to previous studies, it may be beneficial by decreasing in-hospital cardiac arrest and mortality. Since the first implementation of RRS in Korea in 2008, it has been developed in over 15 medical centers and continues to expand. Recent accreditation standards and an RRS pilot program by the Korean government will promote the proliferation of RRSs in Korea.
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Background To ensure patient safety and improvements in the quality of hospital care, rapid response teams (RRTs) have been implemented in many countries, including Korea. The goal of an RRT is early identification and response to clinical deterioration in patients. However, there are differences in RRT systems among hospitals and limited data are available.
Methods In Seoul St. Mary’s Hospital, the St. Mary’s Advanced Life Support Team was implemented in June 2013. We retrospectively reviewed the RRT activation records of 287 cases from June 2013 to December 2016.
Results The median response time and median modified early warning score were 8.6 minutes (interquartile range, 5.6 to 11.6 minutes) and 5.0 points (interquartile range, 4.0 to 7.0 points), respectively. Residents (35.8%) and nurses (59.1%) were the main activators of the RRT. Interestingly, postoperative patients account for a large percentage of the RRT activation cases (69.3%). The survival rate was 83.6% and survival was mainly associated with malignancy, Acute Physiology and Chronic Health Evaluation-II score, and the time from admission to RRT activation. RRT activation with screening showed a better outcome compared to activation via a phone call in terms of the intensive care unit admission rate and length of hospital stay after RRT activation.
Conclusions Malignancy was the most important factor related to survival. In addition, RRT activation with patient screening showed a better outcome compared to activation via a phone call. Further studies are needed to determine the effective screening criteria and improve the quality of the RRT system.
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