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烧冲复合伤休克补液量对疗效的影响 被引量:3

Efficacies of fluid resuscitation volume after combined burn-blast injury shock
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摘要 目的 探讨与单纯烧伤相比,烧冲复合伤休克补液量变化对疗效的影响.方法 将24只比格犬随机均分入常量补液(N)组、减量补液(D)组和增量补液(Ⅰ)组等3个实验组,常量组补液量按Parkland公式计算得出,增、减量组则分别在其基础上增加或减少20%补液量.利用比格犬烧冲复合伤模型,通过测量各组伤后4、8、24、48 h尿量、血红蛋白浓度(HB)、心输出量(CI)、胸腔内血容量(ITBV)、血管外肺水指数(ELWI)、氧供量(DO2)、氧耗量(VO2)等指标变化,比较不同补液量下,各组犬复苏状况优劣,进而确定补液量应如何改变.结果 伤后4h时,N、I、D3组尿量分别为(0.41 ±0.13)、(0.77 ±0.17)、(0.30±0.13) ml· kg^-1· h^-1,(P <0.001);24 h时为(0.59 ±0.05)、(0.88±0.05)、(0.53 ±0.06) ml·kg^-1·h^-1,(P<0.001).伤后4h和8h时,Ⅰ组CO高于N组和D组[分别为(1.57 ±0.19) L/min比(1.25±0.17)、(1.05 ±0.17) L/min;(1.87±0.20)L/min比(1.57±0.24)、(1.20 ±0.19) L/min],P<0.05;ITBV亦显著高于N组和D组[分别为(169±16) ml比(140±12)、(121±12) ml;(161±14) ml比(135±22)、(112±12) ml],P<0.05.伤后24 h时,Ⅰ组VO2高于N组[(129±10)比(106± 12) ml· min^-1·m^-2],P<0.05.伤后全部时间点Ⅰ组DO2和VO2均高于D组,P<0.05.3组伤后所有时间点ELWI差异均无统计学意义,均P>0.05.结论 增加补液量可以更迅速地补充有效循环容量,减轻心输出量的降低,进而维持组织脏器的灌注水平,提高组织氧合功能,最终更好的改善组织缺氧状态. Objective To explore the efficacies of resuscitation fluid volume after combined burnblast injury versus a simple burn.Methods A total of 24 beagle dogs were randomly assigned into 3 groups of normal volume (N),decreased volume (D) and increased volume (Ⅰ).Fluid volume for group N was calculated with the Parkland formula while groups D and I decreased or increased by 20% respectively.Urinary output (UOP),hemoglobin concentration (HB),cardiac output (CO),intrathoracic blood volume (ITBV),extravascular lung water index (ELWI),oxygen delivery (DO2) and oxygen consumption (VO2) were determined before and 4,8,24,48 h after injury to evaluate the sufficiency of resuscitation in each group and examine the superiority.Results UOP were [(0.41 ± 0.13),(0.77 ± 0.17),(0.30 ±0.13)] ml · kg^-1 · h^-1 at 4 h post-injury in groups N,I and D respectively.Group Ⅰ was significantly higher than groups N and D (P 〈0.001).It were [(0.59 ±0.05),(0.88 ±0.05),(0.53 ± 0.06)] ml · kg^-1 · h^-1 at 24 h post-injury in groups N,I and D respectively.Group Ⅰ was significantly higher than groups N and D (P 〈0.001).CO in group Ⅰ was remarkably higher than those in groups N and D at 4 h and 8 h post-injury [(1.57 ±0.19) vs (1.25 ±0.17),(1.05 ±0.17) L/min;(1.87 ±0.20) vs (1.57 ± 0.24),(1.20 ± 0.19) L/min respectively] (P 〈 0.05);ITBV also significantly increased in group Ⅰ than two other groups at4 h and 8 h post-injury [(169 ±16) vs (140 ±12),(121 ±12) ml;(161 ± 14) vs (135 ± 22),(112 ± 12) ml] (P 〈 0.05).VO2 in group Ⅰ was significantly higher than that in group N at 24 h post-injury [(129 ± 10) vs (106 ± 12) ml · rmin^-1 · m^-2] (P 〈 0.05).No differences were detected among 3 group in ELWI (P 〉 0.05).Conclusion Larger fluid volume may compensate circulatory volume loss sooner,alleviate declining cardiac output better,maintain adequate organ perfusion,promote tissue oxygenation and improve anti-hypervolemia and anti-hypoxia.
出处 《中华医学杂志》 CAS CSCD 北大核心 2015年第19期1509-1512,共4页 National Medical Journal of China
基金 军事医学创新专项计划重点项目(13CXZ026)
关键词 烧伤 休克 复苏术 Parkland公式 Burns Shock Resuscitation Parkland formula
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  • 1CHAI Jia-ke,SHENG Zhi-yong,LU Jiang-yang,WEN Zhong-guang,YANG Hong-ming,JIA Xiao-ming,LI Li-gen,CAO Wei-hong,HAO Dai-feng,SHEN Chuan-an,TUO Xiao-ye,LIANG Li-ming,WANG Shu-jun.Characteristics of and strategies for patients with severe burn-blast combined injury[J].Chinese Medical Journal,2007(20):1783-1787. 被引量:17
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