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Clin J Pain. 2014 Mar;30(3):238-43. doi: 10.1097/AJP.0b013e3182906aed.

The premature infant pain profile-revised (PIPP-R): initial validation and feasibility.

Author information

1
*The Hospital for Sick Children †Lawrence S. Bloomberg Faculty of Nursing ¶Leslie Dan Faculty of Pharmacy, The University of Toronto, Toronto, ON ‡The Credit Valley Hospital Trillium Health Centre, Mississauga, ON §Ingram School of Nursing, McGill University, Montréal, QC ∥IWK Health Centre, Halifax, NS, Canada.

Abstract

OBJECTIVES:

To describe revisions to the Premature Infant Pain Profile (PIPP) and initial construct validation and feasibility of the Premature Infant Pain Profile-Revised (PIPP-R).

METHODS:

The PIPP was revised to enhance validity and feasibility. To validate the PIPP-R, data from 2 randomized cross-over studies were utilized to: (1) calculate and compare PIPP and PIPP-R scores in extremely low gestational age infants undergoing a painful and nonpainful event (N=52; dataset #1) and (2) calculate and compare PIPP and PIPP-R scores in assessing the effectiveness of (a) sucrose, (b) non-nutritive sucking (NNS)+sucrose, and (c) facilitated tucking+NNS+sucrose during heel lance (N = 85; dataset #2). Pearson correlations between PIPP and PIPP-R scores were calculated, and Student t tests and 1-way analysis of variance were used to determine construct validity during painful and nonpainful events. To establish feasibility, a survey of 31 Neonatal Intensive Care Unit nurses was conducted.

RESULTS:

PIPP-R scores were significantly lower during nonpainful (mean, 8.3; SD = 2.9) compared with painful (mean, 9.9; SD=3.1; t95 = 4.51, P = 0.036) events in extremely low gestational age infants in dataset #1. In dataset #2, PIPP-R scores were significantly lower in infants 25 to 41 weeks gestation in the group receiving NNS+sucrose compared with the other 2 groups (F2,79 = 2.9, P<0.05). Overall, nurses rated the PIPP-R as feasible.

DISCUSSION:

Initial construct validation and feasibility of the PIPP-R was demonstrated. Further testing with infants of varying gestational ages, diagnoses, and pain conditions is required; as is exploration of PIPP-R in relation to other types of physiological and cognitive responses.

PMID:
24503979
DOI:
10.1097/AJP.0b013e3182906aed
[Indexed for MEDLINE]

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