Patient Acuity Rating: a Tool to Prevent In-Hospital Cardiac Arrest

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

EARLY_PHASE1

Study Classification

INTERVENTIONAL

Study Start Date

2009-10-31

Study Completion Date

2013-12-31

Brief Summary

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The purpose of this study is to evaluate the accuracy of medical personnel in their ability to predict the likelihood of non-intensive care (ICU), ward patients to clinically deteriorate (defined as a cardiac arrest, unplanned ICU transfer, or unexpected death)via the use of a clinical judgement-based tool designed for this study, Patient Acuity Rating (PAR), to predict short-term clinical deterioration. We will compare the ability of this tool to predict clinical deterioration compared to accepted physiology-based tools and tools combining judgment and physiology as well as other markers of deterioration such as physician order changes. We will compare the sensitivity, specificity and area under the curve of these combined models to the predictive models including only physiology or clinical judgment. We will assess the correlation between specific physician orders and patient deterioration to determine whether specific clinical activities, such as emergently obtained radiology exams, predict impending deterioration. We hypothesize that PAR will be a useful tool for predicting clinical deterioration across the institution and that it will have a higher average accuracy for predicting clinical deterioration in non-ICU inpatients within 24 hours than the physiology-based tools alone. We further hypothesize that a combined metric which includes both the PAR and the individual physiologic components that comprise physiologic tools will not significantly improve prediction over the PAR alone. We further propose to use PAR to prospectively risk stratify patients for preemptive evaluation by the Rapid Response Team. We hypothesize that intervening on high risk patients by preemptively activating the hospital's Rapid Response Team (to assess and treat patients as needed) will decrease cardiac arrest rates and mortality.

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Detailed Description

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Conditions

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Heart Arrest

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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prevention

Group Type OTHER

Preemptive Rapid Response Team intervention

Intervention Type OTHER

Non-ICU inpatients will be randomized on admission to an RRT surveillance group or standard of care. Daily risk prediction scores will be collected for all non-ICU inpatients. Those with high scores, who have been randomized to the surveillance arm, will be included on a list of patients, updated daily, that the Rapid Response Team will receive, with instructions to evaluate and intervene, if required, without waiting for formal activation by the usual channels.

Interventions

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Preemptive Rapid Response Team intervention

Non-ICU inpatients will be randomized on admission to an RRT surveillance group or standard of care. Daily risk prediction scores will be collected for all non-ICU inpatients. Those with high scores, who have been randomized to the surveillance arm, will be included on a list of patients, updated daily, that the Rapid Response Team will receive, with instructions to evaluate and intervene, if required, without waiting for formal activation by the usual channels.

Intervention Type OTHER