The effect of using Richmond agitation and sedation scale on hospital stay,ventilator dependence,and mortality rate in ICU inpatients: a randomised clinical trial

Abstract

Background

Managing the amount of use of sedatives due to their high side effects in the intensive care unit is essential. Sedation-agitation protocols may play an important role in this regard. However, they have not been practically applied in Iran.

Aims

This study aimed to evaluate the effect of using the Richmond agitation and sedation scale on hospital stay duration and dependency rate on the intensive care unit ventilator system in Ahwaz City, Iran, in 2016–2017.

Methods

This randomised clinical trial was conducted on 74 patients. The subjects were selected by a stratified sampling method and divided into the experimental (n = 32) and control (n = 32) groups. Sedation and agitation levels were managed by the Richmond agitation and sedation scale as soon as the samples were anxious and agitated, and every 6 hours in the intervention group. However, the control group received routine care. The data obtained were analysed by the Statistical Package for the Social Sciences (SPSS).

Results

There was no significant difference between the two groups in terms of demographic variables, such as age, gender, admission diagnosis and Glasgow coma scale scores on admission. However, they differed in terms of hospital stay duration and ventilator connection (P < 0.001), Glasgow coma scale score at the separation time from the device (P < 0.001), Glasgow coma scale score at the discharge time from the intensive care unit (P < 0.02) and intensive care unit death rate (P < 0.001). In all cases mentioned previously, the intervention group’s condition was better.

Conclusions

Based on the results of this study, as well as the approval of validation and reliability of the Richmond agitation and sedation scale in different studies, this protocol can be very effective in optimising the use of sedatives in the intensive care unit.

Keywords

intensive care unit quality improvement Richmond agitation sedation scale (RASS)

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