• Hyun Jung Kwak, InA Yun, Sang-Heon Kim, Jang Won Sohn, Dong Ho Shin, Ho Joo Yoon, Gheun-Ho Kim, Tchun Young Lee, Sung Soo Park, and Young-Hyo Lim.
• Division of Pulmonary and Critical Care Medicine, Hanyang University Hospital, Seoul, Korea. ; Hanyang Rapid Response Team (HaRRT), Hanyang University Hospital, Seoul, Korea.
• J. Korean Med. Sci. 2014 Mar 1; 29 (3): 423-30.

AbstractThe rapid response system (RRS) is an innovative system designed for in-hospital, at-risk patients but underutilization of the RRS generally results in unexpected cardiopulmonary arrests. We implemented an extended RRS (E-RRS) that was triggered by actively screening at-risk patients prior to calls from primary medical attendants. These patients were identified from laboratory data, emergency consults, and step-down units. A four-member rapid response team was assembled that included an ICU staff, and the team visited the patients more than twice per day for evaluation, triage, and treatment of the patients with evidence of acute physiological decline. The goal was to provide this treatment before the team received a call from the patient's primary physician. We sought to describe the effectiveness of the E-RRS at preventing sudden and unexpected arrests and in-hospital mortality. Over the 1-yr intervention period, 2,722 patients were screened by the E-RRS program from 28,661 admissions. There were a total of 1,996 E-RRS activations of simple consultations for invasive procedures. After E-RRS implementation, the mean hospital code rate decreased by 31.1% and the mean in-hospital mortality rate was reduced by 15.3%. In conclusion, the implementation of E-RRS is associated with a reduction in the in-hospital code and mortality rates.

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