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 <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/hr (range 0.2–2.1 μg/kg/hr). Median weaning time and dose at discontinuation were 43 hours (range 0–189 hours) and 0.2 μg/kg/hr (range 0.1–1.3 μg/kg/hr). Tachycardia, transient hypertension and agitation were observed in 27%, 35% and 27% of patients. Episodes of tachycardia were more frequent in children >1 year of age (61% vs. 8%, p < .001), patients who received dexmedetomidine for 4 days when compared to those who received 5 days or longer (48% vs. 17%, p = .011) and patients whose infusion was discontinued abruptly (42% vs. 14%, p = .045). Tachyarrhythmias were seen in 9 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.
Background: An optimal model for telemedicine use in the international care setting has not been established. Our objective was to describe variables associated with patient outcome during the implementation of an international pediatric cardiac critical care (PCCC) telemedicine program. Materials and Methods: A retrospective review was performed of clinical records and a telemedicine database of patients admitted to the cardiac intensive care unit (CICU) at the Fundacion Cardiovascular de Colombia, Bucaramanga, Colombia, during the initial 10 months of our program, compared with patients admitted during a previous period. Information collected included demographic data, cardiac diagnosis and associated factors, Risk Adjustment for Congenital Heart Surgery (RACHS)-1 classification, and perioperative events. Primary outcome was composed of CICU and hospital mortality. Secondary outcomes were CICU and hospital length of stay (LOS). Results: Of the 553 patients who were included, teleconsultation was done for 71 (12.4%), with a total of 156 encounters, including 19 for patients on extracorporeal membrane oxygenation. Three hundred twenty-one recommendations were given, and 42 real-time interventions were documented. RACHS-1 distribution was similar between study periods (p = 0.427). Teleconsulted patients were significantly younger (44 versus 24 months; p = 0.03) and had higher surgical complexity than nonteleconsulted patients (p = 0.01). RACHS-1 adjusted hospital survival was similar between study periods. CICU and hospital LOS intervals were significantly shorter in the telemedicine period (10 versus 17 days [p = 0.02] and 22
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