Feasibility and Validity of the Coma Recovery Scale-Revised For Accelerated Standardized Testing (CRSR-FAST): A Practical Assessment Scale for Detecting Consciousness in the Intensive Care Unit
Archives of Physical Medicine and Rehabilitation(2024)
摘要
Research Objectives
To develop and test the feasibility, reliability and validity of the Coma Recovery Scale-Revised For Accelerated Standardized Testing (CRSR-FAST), a short form of the CRS-R for use in the Intensive Care Unit (ICU).
Design
Three trained examiners completed 4 study examinations (1 CRS-R and 3 CRSR-FAST assessments) over a maximum period of 48 hours to establish concurrent validity, interrater reliability and test-retest reliability. The full-length CRS-R served as the reference standard and examiners were masked to patient diagnosis and other CRS-R findings (except for test-retest reliability). Test administration order and assignment of raters to testing condition (i.e., reliability or validity) was pseudo-randomized to prevent order effects.
Setting
Intensive Care Unit at a Level I trauma center.
Participants
Forty-five consecutively-enrolled patients with traumatic disorders of consciousness receiving care in the ICU.
Interventions
N/A.
Main Outcome Measures
Duration of CRSR-FAST administration (feasibility); Agreement between CRSR-FAST and full-length CRS-R determination of consciousness (concurrent validity); Agreement between CRSR-FAST scores obtained by the same rater on two consecutive examinations (test-retest reliability); Agreement between CRSR-FAST scores obtained by two different raters on the same day (inter-rater reliability).
Results
Forty-five participants (mean [SD] age 44 [20] years, 67% male, 8 [5] days post injury, CRS-R Total Score = 7 [5], CRS-R range = 1-22) completed the study. The sensitivity, specificity, and accuracy of the CRSR-FAST for detecting consciousness were 81%, 89%, and 84%, respectively. Simple kappa for concurrent validity, Mak's rho for test-retest reliability and inter-rater reliability were 0.68, 0.76 and 0.91, respectively (i.e., substantial). CRSR-FAST administration time was 6.5 [3] minutes.
Conclusions
Preliminary findings suggest that the CRSR-FAST is a feasible and valid tool for serial assessment of consciousness in the ICU. The CRSR-FAST may improve diagnostic accuracy, facilitate decision-making regarding continuation of life-sustaining therapy, aid disposition planning, and improve acute and post-acute care coordination.
Author(s) Disclosures
None.
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关键词
Brain Injury,Coma Recovery Scale-Revised,Intensive Care Unit
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