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机构地区:[1]上海交通大学医学院附属上海儿童医学中心PICU,200127
出 处:《中华临床营养杂志》2012年第3期149-152,共4页Chinese Journal of Clinical Nutrition
基 金:世界健康基金会上海儿童医学中心-雅培/世界健康基金会临床营养发展中心(AFINS)项目(SCMC-YP-HOPE-KY-0912)
摘 要:目的了解危重病儿童机械通气后能量代谢状态,探讨机械通气时间及疾病类别对危重病儿童机械通气后能量代谢的影响。方法以50例儿童重症监护病房机械通气后的危重病儿童为研究对象,开始机械通气治疗第1、3、5、7天,采用美国麦加菲营养能量代谢测定系统测定静息能量消耗值,分别记作实测值1、实测值3、实测值5、实测值7;运用Schofield-H邢汀公式计算入选患儿的预测静息能量消耗值。结果50例患儿实测值.和Schofield—HTWT公式预测值分别为(96.80±42.63)和(110.67±38.35)kJ/d。其中35例(70%)患儿的实测值低于90%Schofield—HTwT预测值。22例患儿的实测值,、实测值,、实测值,、实测值,分别为(100.53±50.24)、(113.80±49.19)、(117.99±50.57)、(115.05±50.18)kJ/d,4个不同时间点比较差异无统计学意义(F=1.267,P=0.292)。先天性心脏病儿童和非先天性心脏病儿童实测值,分别为(75.66±31.23)和(113.40±28.40)kJ/d,两不同疾病类别比较差异具有统计学意义(F=10.423,P=0.002)。结论危重病儿童机械通气后大多数呈现低代谢状态;危重病儿童机械通气后的静息能量消耗在开始通气1周内并不随机械通气时间而改变;机械通气后的危重病儿童中,先天性心脏病儿童的静息能量消耗比非先天性心脏病儿童的静息能量消耗明显降低。Objective To assess the energy expenditure status in critically ill children on mechanical ven- tilation. Methods Fifty critically ill children on mechanical ventilation were enrolled in this study. Resting energy expenditure (REE) on days 1, 3, 5, and 7 were measured. The predictive REE was calculated for each subject using age-appropriate equations (Schofield-HTWT). Results REE on day 1 and Schofield-HTWT equation pre- dictive REE were (96. 80 ± 42.63 ) and ( 110. 67 ± 38.35) kJ/d, respectively. REE on days 1, 3, 5, and 7 were ( 100. 53 ± 50. 24 ), ( 113.80 ± 49. 19 ), ( 117. 99 ± 50. 57 ), and ( 115.05± 50. 18 ) kJ/d, respectively ( F = 1. 267, P = 0. 292). The REE of day 1 in children with congenital heart disease (CHD) and without CHD was ( 75.66 ±31.23 ) and ( 113.40 ± 28.40) k J/d, respectively ( F = 10. 423, P = 0. 002). Conclusions The hypometabolic response is apparent in critically ill children with mechanical ventilation, and the energy expenditure shows no time-specific change within the first week. The energy expenditure in children with CHD is lower than those without CHD.
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