Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies · 2024
Development and Preliminary Testing of the Withdrawal Assessment Tool-Alpha 2 Agonist: An Assessment Instrument for Monitoring Iatrogenic Withdrawal Symptoms in Children Receiving an Alpha-2 Agonist.
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Solodiuk Jean C, Donado Carolina, Wickerham Lia, Goodyear Lindsay, Hayes John, Mortell Rachel E, Greco Christine D, Curley Martha A Q
Аннотация
OBJECTIVES: To develop and conduct preliminary testing of the Withdrawal Assessment Tool-Alpha 2 Agonist (WAT-A2A) to monitor dexmedetomidine and clonidine withdrawal symptoms in acutely ill children.
DESIGN: Three-phase instrument development study. Phase 1: retrospective chart review of symptoms exhibited by children with documented dexmedetomidine withdrawal; phase 2: WAT-A2A instrument construction based on phase 1 data; and phase 3: prospective testing of the WAT-A2A in children weaning from alpha 2 agonists (A2As).
SETTING: Academic free-standing children's hospital.
PATIENTS: Acutely ill children weaning from at least 5 days of dexmedetomidine. Excluded were children concurrently weaning other sedatives.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: Phase 1: In 83 of 303 children weaning from at least 5 days of dexmedetomidine who had clinician documentation and were managed for A2A withdrawal, 88% ( n = 72) exhibited at least a 20% increase in heart rate (HR), 83% ( n = 69) exhibited agitation or change in usual state behavior, 46% ( n = 38) exhibited at least a 20% increase in diastolic blood pressure (DBP), and when documented, 56% (27/48) exhibited tremors during their A2A withdrawal episode. Phase 2: The WAT-A2A was constructed, based on phase 1 data, and includes four items: HR, state behavior, DBP, and tremors. Phase 3: The WAT-A2A was tested and performed well in 82 children weaning from A2A. The total WAT-A2A score correlated with clinician subjective assessment of A2A withdrawal (Spearman correlation = 0.5; p < 0.001). Inter-rater agreement, comparing paired ratings of prospectively collected WAT-A2A data, indicated moderate inter-rater reliability.
CONCLUSIONS: Acutely ill children receiving sedation with an A2A for more than 5 days may develop physiologic dependence, requiring gradual dosing reductions. While further psychometric testing is advised, the WAT-A2A provides an objective instrument to help clinicians quantify dexmedetomidine withdrawal symptoms in acutely ill children may facilitate A2A weaning and limit unnecessary variation in practice.
DESIGN: Three-phase instrument development study. Phase 1: retrospective chart review of symptoms exhibited by children with documented dexmedetomidine withdrawal; phase 2: WAT-A2A instrument construction based on phase 1 data; and phase 3: prospective testing of the WAT-A2A in children weaning from alpha 2 agonists (A2As).
SETTING: Academic free-standing children's hospital.
PATIENTS: Acutely ill children weaning from at least 5 days of dexmedetomidine. Excluded were children concurrently weaning other sedatives.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: Phase 1: In 83 of 303 children weaning from at least 5 days of dexmedetomidine who had clinician documentation and were managed for A2A withdrawal, 88% ( n = 72) exhibited at least a 20% increase in heart rate (HR), 83% ( n = 69) exhibited agitation or change in usual state behavior, 46% ( n = 38) exhibited at least a 20% increase in diastolic blood pressure (DBP), and when documented, 56% (27/48) exhibited tremors during their A2A withdrawal episode. Phase 2: The WAT-A2A was constructed, based on phase 1 data, and includes four items: HR, state behavior, DBP, and tremors. Phase 3: The WAT-A2A was tested and performed well in 82 children weaning from A2A. The total WAT-A2A score correlated with clinician subjective assessment of A2A withdrawal (Spearman correlation = 0.5; p < 0.001). Inter-rater agreement, comparing paired ratings of prospectively collected WAT-A2A data, indicated moderate inter-rater reliability.
CONCLUSIONS: Acutely ill children receiving sedation with an A2A for more than 5 days may develop physiologic dependence, requiring gradual dosing reductions. While further psychometric testing is advised, the WAT-A2A provides an objective instrument to help clinicians quantify dexmedetomidine withdrawal symptoms in acutely ill children may facilitate A2A weaning and limit unnecessary variation in practice.