A review, and performance evaluation, of single-parameter "track and trigger" systems

This source preferred by Gary Smith

Authors: Smith, G.B., Prytherch, D.R., Schmidt, P.E., Featherstone, P.I. and Higgins, B.

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T19-4SYKM1R-4&_user=1682380&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000011378&_version=1&_urlVersion=0&_userid=1682380&md5=52355e6810bad9af353f2cf14e2be145

Journal: Resuscitation

Volume: 79

Pages: 11-21

ISSN: 0300-9572

DOI: 10.1016/j.resuscitation.2008.05.004

Objectives There is no up-to-date literature review of physiologically-based, single-parameter weighted “track and trigger” systems (SPTTS) and little data on their sensitivity and specificity to predict adverse outcomes. The aim of this study was to describe the SPTTS in clinical use and measure their sensitivity and specificity when using admission vital signs data for predicting in-hospital mortality.

Materials and methods We performed a systematic review of the literature to describe the SPTTS, their components and their differences. We measured their sensitivity and specificity for predicting in-hospital mortality when using a database of 9987 admission vital signs datasets.

Results We identified 39 unique classes of SPTTS, of which 30 were evaluated. There was considerable variation in the physiological variables used, together with significant variation in the physiological values used to trigger a medical emergency or critical care outreach team. There was marked variation in sensitivity (7.3–52.8%), specificity (69.1–98.1%), positive predictive values (13.5–26.1%), negative predictive values (92.1–94.2%) and the potential number of calls triggered (234–3271).

Conclusions There is a wide range of unique, but very similar, SPTTS in clinical use. Although specificities were high, sensitivities were too low to provide institutions with confidence that these SPTTS could identify patients at risk of in-hospital death using admission vital signs. Institutions may wish to consider these data when selecting which, if any, single-parameter track and trigger systems to introduce.

This data was imported from PubMed:

Authors: Smith, G.B., Prytherch, D.R., Schmidt, P.E., Featherstone, P.I. and Higgins, B.

Journal: Resuscitation

Volume: 79

Issue: 1

Pages: 11-21

ISSN: 0300-9572

DOI: 10.1016/j.resuscitation.2008.05.004

OBJECTIVES: There is no up-to-date literature review of physiologically-based, single-parameter weighted "track and trigger" systems (SPTTS) and little data on their sensitivity and specificity to predict adverse outcomes. The aim of this study was to describe the SPTTS in clinical use and measure their sensitivity and specificity when using admission vital signs data for predicting in-hospital mortality. MATERIALS AND METHODS: We performed a systematic review of the literature to describe the SPTTS, their components and their differences. We measured their sensitivity and specificity for predicting in-hospital mortality when using a database of 9987 admission vital signs datasets. RESULTS: We identified 39 unique classes of SPTTS, of which 30 were evaluated. There was considerable variation in the physiological variables used, together with significant variation in the physiological values used to trigger a medical emergency or critical care outreach team. There was marked variation in sensitivity (7.3-52.8%), specificity (69.1-98.1%), positive predictive values (13.5-26.1%), negative predictive values (92.1-94.2%) and the potential number of calls triggered (234-3271). CONCLUSIONS: There is a wide range of unique, but very similar, SPTTS in clinical use. Although specificities were high, sensitivities were too low to provide institutions with confidence that these SPTTS could identify patients at risk of in-hospital death using admission vital signs. Institutions may wish to consider these data when selecting which, if any, single-parameter track and trigger systems to introduce.

This data was imported from Scopus:

Authors: Smith, G.B., Prytherch, D.R., Schmidt, P.E., Featherstone, P.I. and Higgins, B.

Journal: Resuscitation

Volume: 79

Issue: 1

Pages: 11-21

ISSN: 0300-9572

DOI: 10.1016/j.resuscitation.2008.05.004

Objectives: There is no up-to-date literature review of physiologically-based, single-parameter weighted "track and trigger" systems (SPTTS) and little data on their sensitivity and specificity to predict adverse outcomes. The aim of this study was to describe the SPTTS in clinical use and measure their sensitivity and specificity when using admission vital signs data for predicting in-hospital mortality. Materials and methods: We performed a systematic review of the literature to describe the SPTTS, their components and their differences. We measured their sensitivity and specificity for predicting in-hospital mortality when using a database of 9987 admission vital signs datasets. Results: We identified 39 unique classes of SPTTS, of which 30 were evaluated. There was considerable variation in the physiological variables used, together with significant variation in the physiological values used to trigger a medical emergency or critical care outreach team. There was marked variation in sensitivity (7.3-52.8%), specificity (69.1-98.1%), positive predictive values (13.5-26.1%), negative predictive values (92.1-94.2%) and the potential number of calls triggered (234-3271). Conclusions: There is a wide range of unique, but very similar, SPTTS in clinical use. Although specificities were high, sensitivities were too low to provide institutions with confidence that these SPTTS could identify patients at risk of in-hospital death using admission vital signs. Institutions may wish to consider these data when selecting which, if any, single-parameter track and trigger systems to introduce. © 2008 Elsevier Ireland Ltd. All rights reserved.

This data was imported from Web of Science (Lite):

Authors: Smith, G.B., Prytherch, D.R., Schmidt, P.E., Featherstone, P.I. and Higgins, B.

Journal: RESUSCITATION

Volume: 79

Issue: 1

Pages: 11-21

ISSN: 0300-9572

DOI: 10.1016/j.resuscitation.2008.05.004

This data was imported from Europe PubMed Central:

Authors: Smith, G.B., Prytherch, D.R., Schmidt, P.E., Featherstone, P.I. and Higgins, B.

Journal: Resuscitation

Volume: 79

Issue: 1

Pages: 11-21

eISSN: 1873-1570

ISSN: 0300-9572

OBJECTIVES: There is no up-to-date literature review of physiologically-based, single-parameter weighted "track and trigger" systems (SPTTS) and little data on their sensitivity and specificity to predict adverse outcomes. The aim of this study was to describe the SPTTS in clinical use and measure their sensitivity and specificity when using admission vital signs data for predicting in-hospital mortality. MATERIALS AND METHODS: We performed a systematic review of the literature to describe the SPTTS, their components and their differences. We measured their sensitivity and specificity for predicting in-hospital mortality when using a database of 9987 admission vital signs datasets. RESULTS: We identified 39 unique classes of SPTTS, of which 30 were evaluated. There was considerable variation in the physiological variables used, together with significant variation in the physiological values used to trigger a medical emergency or critical care outreach team. There was marked variation in sensitivity (7.3-52.8%), specificity (69.1-98.1%), positive predictive values (13.5-26.1%), negative predictive values (92.1-94.2%) and the potential number of calls triggered (234-3271). CONCLUSIONS: There is a wide range of unique, but very similar, SPTTS in clinical use. Although specificities were high, sensitivities were too low to provide institutions with confidence that these SPTTS could identify patients at risk of in-hospital death using admission vital signs. Institutions may wish to consider these data when selecting which, if any, single-parameter track and trigger systems to introduce.

The data on this page was last updated at 05:01 on July 17, 2019.