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Published on: August 25, 2014
Agreement of the Neonatal Pain, Agitation, and Sedation Scale (N-PASS) With NICU Nurses' Assessments
Keri Benbrook1, Renee C B Manworren, Rebecca Zuravel
1Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois (Mss Benbrook, Entler, Riendeau, and Myler and Drs Manworren and Zuravel); Northwestern University's Feinberg School of Medicine, Chicago, Illinois (Dr Manworren); and Department of Human Development & Nursing Science, University of Illinois at Chicago, Chicago (Dr Ricca).
Background:
Objective assessment tools should standardize and reflect nurses' expert assessments. The Neonatal Pain, Agitation, and Sedation Scale (N-PASS) and the Neonatal Infant Pain Scale (NIPS) are valid measures of pain. The N-PASS also provides a sedation subscale.
Purpose:
The objective of this study was to determine N-PASS clinical validity and utility by evaluating agreement of N-PASS scores with bedside nurses' assessments of pain/agitation and sedation in a 64-bed tertiary neonatal intensive care unit.
Methods:
Fifteen bedside nurses trained to use the N-PASS and the NIPS prospectively completed 202 pain/agitation and sedation assessments from a convenience sample of 88 infants, including chronically ventilated, medically fragile infants. N-PASS and NIPS scores were obtained simultaneously but independently of nurse investigators. Bedside nurses also made recommendations about infants' pain and sedation management.
Results:
There was moderate agreement between N-PASS pain scores and nurses' recommendations (κ= 0.52), very strong agreement between N-PASS sedation scores and nurses' recommendations (κ= 0.99), and very strong associations between N-PASS pain and NIPS scores ( P < .001). Bedside nurse and independent investigator interrater reliability was good for N-PASS pain and NIPS scores (intraclass correlation coefficient [ICC] = 0.83, ICC = 0.85) and excellent for N-PASS sedation (ICC = 0.94). During 93% of assessments, bedside nurses reported that the N-PASS reflected the level of infant sedation well or very well.
Implications For Practice And Research:
The N-PASS provides an easy-to-use, valid, and reliable objective measure of pain and sedation that reflects nurses' assessments. Additional studies using the N-PASS are needed to verify results and the influence of the N-PASS on pain and sedation management for medically fragile infants with chronic medical conditions.
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