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Rapid response team calls that overlap in time: incidence, consequences and patient outcomes.
Crit Care Resusc. 2017 Sep;19(3):214-221
Authors: Flabouris A, Mesecke M
Abstract
OBJECTIVE: To investigate overlap rapid response team (RRT) calls, factors associated with overlap calls, and their impact on RRT call times and patient outcomes.
DESIGN AND SETTING: Review of prospectively collected, linked clinical and administrative datasets, at a public adult tertiary hospital during July 2013 to May 2016.
RESULTS: There were 11 669 RRT calls to 7223 patients, of which 10 868 calls (93.1%) were to inpatients. The median number of daily calls was 12 (interquartile range [IQR], 9-15 calls; range, 2-29 calls). The median number of daily calls per 1000 hospital admissions was 56.3 (IQR, 41.3- 78.9 calls/1000 admissions; range, 8.3-231.5 calls/1000 admissions), and the median proportion of the day spent at RRT calls was 22.8% (IQR, 16.9%-30.5%). In total, 4575 (39.2%) calls overlapped. Overlap calls, compared with non-overlap calls, had similar patient characteristics, but a longer response time (4 min v 3 min; P < 0.001) and scene time (20 min v 34 min; P < 0.001). The daily number of calls correlated with the number of overnight-stay hospital admissions (r = 0.104; P = 0.001), but not with the total number of hospital admissions (r = -0.035; P = 0.258). The number of overlap calls correlated with the number of RRT calls (r = 0.786; P < 0.001), and also correlated with the proportion of the day spent at RRT calls (r = 0.762; P < 0.001). Overlap calls, compared with non-overlap calls, were more likely to result in an ICU admission (484 calls [11.2%] v 571 calls [8.7%]; P < 0.001). In contrast, efferent limb failure (815 calls [17.8%] v 1195 calls [16.8%]; P = 0.389) and hospital mortality (496 calls [19.3%] v 781 calls [19.6%]; P = 0.823) was similar for overlap and nonoverlap calls, respectively.
CONCLUSIONS: Overlap RRT calls are common and influenced by overall RRT and hospital activity. They are more likely to be associated with longer response and scene times and unanticipated ICU admissions.
PMID: 28866971 [PubMed - indexed for MEDLINE]