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Discontinuation of prolonged infusions of dexmedetomidine in critically ill children with heart disease.

Abstract：

PURPOSE:To describe changes in hemodynamic variables, sedation, and pain score after discontinuation of prolonged infusions of dexmedetomidine in a pediatric population of critically ill cardiac patients. METHODS:Retrospective case series of patients who received continuous infusions of dexmedetomidine for longer than 3 days in a pediatric cardiac intensive care unit from 2008 to 2010. RESULTS:Sixty-two patients, age 5.2 months (range 0.3 months-17 years) and weight 5.1 kg (range 2.2-84 kg), were included. Thirty-nine patients (63%) were younger than 1 year of age. Median duration of dexmedetomidine infusion was 5.8 days (range 4-26 days) and median infusion dose was 0.71 μg/kg/h (range 0.2-2.1 μg/kg/h). Median weaning time and dose at discontinuation were 43 h (range 0-189 h) and 0.2 μg/kg/h (range 0.1-1.3 μg/kg/h). Tachycardia, transient hypertension and agitation were observed in 27, 35 and 27% of patients. Episodes of tachycardia were more frequent in children older than 1 year of age (61 vs. 8%, p < 0.001), patients who received dexmedetomidine for 4 days when compared to those who received 5 days or longer (48 vs. 17%, p = 0.011), and patients whose infusion was discontinued abruptly (42 vs. 14%, p = 0.045). Tachyarrhythmias were seen in nine patients (15%) after discontinuation of the dexmedetomidine infusion. Adequate sedation and analgesia scores at the moment of infusion discontinuation were seen in 90 and 88% of patients, respectively. CONCLUSIONS:Our study suggests that tachycardia, transient hypertension, and agitation are frequently observed in pediatric cardiac intensive care unit patients after discontinuing prolonged dexmedetomidine infusions.

journal_name

Intensive Care Med

journal_title

Intensive care medicine

authors

Burbano NH,Otero AV,Berry DE,Orr RA,Munoz RA

doi

10.1007/s00134-011-2441-8

subject

Has Abstract

pub_date

2012-02-01 00:00:00

pages

300-7

issue

2

eissn

0342-4642

issn

1432-1238

journal_volume

38

pub_type

杂志文章

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