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  • Title: Long-term propranolol use in severely burned pediatric patients: a randomized controlled study.
    Author: Herndon DN, Rodriguez NA, Diaz EC, Hegde S, Jennings K, Mlcak RP, Suri JS, Lee JO, Williams FN, Meyer W, Suman OE, Barrow RE, Jeschke MG, Finnerty CC.
    Journal: Ann Surg; 2012 Sep; 256(3):402-11. PubMed ID: 22895351.
    Abstract:
    OBJECTIVE: To determine the safety and efficacy of propranolol given for 1 year on cardiac function, resting energy expenditure, and body composition in a prospective, randomized, single-center, controlled study in pediatric patients with large burns. BACKGROUND: Severe burns trigger a hypermetabolic response that persists for up to 2 years postburn. Propranolol given for 1 month postburn blunts this response. Whether propranolol administration for 1 year after injury provides a continued benefit is currently unclear. METHODS: One-hundred seventy-nine pediatric patients with more than 30% total body surface area burns were randomized to control (n = 89) or 4 mg/kg/d propranolol (n = 90) for 12 months postburn. Changes in resting energy expenditure, cardiac function, and body composition were measured acutely at 3, 6, 9, and 12 months postburn. Statistical analyses included techniques that adjusted for non-normality, repeated-measures, and regression analyses. P < 0.05 was considered significant. RESULTS: Long-term propranolol treatment significantly reduced the percentage of the predicted heart rate and percentage of the predicted resting energy expenditure, decreased accumulation of central mass and central fat, prevented bone loss, and improved lean body mass accretion. There were very few adverse effects from the dose of propranolol used. CONCLUSIONS: Propranolol treatment for 12 months after thermal injury, ameliorates the hyperdynamic, hypermetabolic, hypercatabolic, and osteopenic responses in pediatric patients. This study is registered at clinicaltrials.gov: NCT00675714.
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